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-rw-r--r--drivers/usb/class/cdc-acm.c2
-rw-r--r--drivers/usb/core/devio.c2
-rw-r--r--drivers/usb/dwc3/dwc3-omap.c30
-rw-r--r--drivers/usb/gadget/configfs.c2
-rw-r--r--drivers/usb/gadget/function/f_fs.c204
-rw-r--r--drivers/usb/gadget/function/f_hid.c2
-rw-r--r--drivers/usb/gadget/function/f_phonet.c5
-rw-r--r--drivers/usb/gadget/function/f_sourcesink.c4
-rw-r--r--drivers/usb/gadget/function/f_uac2.c34
-rw-r--r--drivers/usb/gadget/function/uvc_v4l2.c1
-rw-r--r--drivers/usb/gadget/function/uvc_video.c1
-rw-r--r--drivers/usb/gadget/legacy/g_ffs.c6
-rw-r--r--drivers/usb/gadget/legacy/inode.c466
-rw-r--r--drivers/usb/host/xhci-pci.c30
-rw-r--r--drivers/usb/host/xhci-plat.c19
-rw-r--r--drivers/usb/host/xhci-ring.c12
-rw-r--r--drivers/usb/host/xhci.c100
-rw-r--r--drivers/usb/host/xhci.h11
-rw-r--r--drivers/usb/isp1760/isp1760-hcd.c6
-rw-r--r--drivers/usb/musb/musb_core.c10
-rw-r--r--drivers/usb/musb/musb_dsps.c32
-rw-r--r--drivers/usb/musb/musb_host.c2
-rw-r--r--drivers/usb/musb/omap2430.c7
-rw-r--r--drivers/usb/renesas_usbhs/Kconfig1
-rw-r--r--drivers/usb/serial/bus.c45
-rw-r--r--drivers/usb/serial/ch341.c15
-rw-r--r--drivers/usb/serial/console.c2
-rw-r--r--drivers/usb/serial/cp210x.c2
-rw-r--r--drivers/usb/serial/ftdi_sio.c19
-rw-r--r--drivers/usb/serial/ftdi_sio_ids.h23
-rw-r--r--drivers/usb/serial/generic.c5
-rw-r--r--drivers/usb/serial/mxuport.c3
-rw-r--r--drivers/usb/serial/pl2303.c18
-rw-r--r--drivers/usb/serial/usb-serial.c21
-rw-r--r--drivers/usb/storage/unusual_uas.h7
-rw-r--r--drivers/usb/storage/usb.c6
36 files changed, 648 insertions, 507 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index e78720b59d67..683617714e7c 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1650,6 +1650,8 @@ static int acm_reset_resume(struct usb_interface *intf)
1650 1650
1651static const struct usb_device_id acm_ids[] = { 1651static const struct usb_device_id acm_ids[] = {
1652 /* quirky and broken devices */ 1652 /* quirky and broken devices */
1653 { USB_DEVICE(0x076d, 0x0006), /* Denso Cradle CU-321 */
1654 .driver_info = NO_UNION_NORMAL, },/* has no union descriptor */
1653 { USB_DEVICE(0x17ef, 0x7000), /* Lenovo USB modem */ 1655 { USB_DEVICE(0x17ef, 0x7000), /* Lenovo USB modem */
1654 .driver_info = NO_UNION_NORMAL, },/* has no union descriptor */ 1656 .driver_info = NO_UNION_NORMAL, },/* has no union descriptor */
1655 { USB_DEVICE(0x0870, 0x0001), /* Metricom GS Modem */ 1657 { USB_DEVICE(0x0870, 0x0001), /* Metricom GS Modem */
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 66abdbcfbfa5..11635537c052 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -501,6 +501,7 @@ static void async_completed(struct urb *urb)
501 as->status = urb->status; 501 as->status = urb->status;
502 signr = as->signr; 502 signr = as->signr;
503 if (signr) { 503 if (signr) {
504 memset(&sinfo, 0, sizeof(sinfo));
504 sinfo.si_signo = as->signr; 505 sinfo.si_signo = as->signr;
505 sinfo.si_errno = as->status; 506 sinfo.si_errno = as->status;
506 sinfo.si_code = SI_ASYNCIO; 507 sinfo.si_code = SI_ASYNCIO;
@@ -2382,6 +2383,7 @@ static void usbdev_remove(struct usb_device *udev)
2382 wake_up_all(&ps->wait); 2383 wake_up_all(&ps->wait);
2383 list_del_init(&ps->list); 2384 list_del_init(&ps->list);
2384 if (ps->discsignr) { 2385 if (ps->discsignr) {
2386 memset(&sinfo, 0, sizeof(sinfo));
2385 sinfo.si_signo = ps->discsignr; 2387 sinfo.si_signo = ps->discsignr;
2386 sinfo.si_errno = EPIPE; 2388 sinfo.si_errno = EPIPE;
2387 sinfo.si_code = SI_ASYNCIO; 2389 sinfo.si_code = SI_ASYNCIO;
diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c
index 172d64e585b6..52e0c4e5e48e 100644
--- a/drivers/usb/dwc3/dwc3-omap.c
+++ b/drivers/usb/dwc3/dwc3-omap.c
@@ -205,6 +205,18 @@ static void dwc3_omap_write_irq0_set(struct dwc3_omap *omap, u32 value)
205 omap->irq0_offset, value); 205 omap->irq0_offset, value);
206} 206}
207 207
208static void dwc3_omap_write_irqmisc_clr(struct dwc3_omap *omap, u32 value)
209{
210 dwc3_omap_writel(omap->base, USBOTGSS_IRQENABLE_CLR_MISC +
211 omap->irqmisc_offset, value);
212}
213
214static void dwc3_omap_write_irq0_clr(struct dwc3_omap *omap, u32 value)
215{
216 dwc3_omap_writel(omap->base, USBOTGSS_IRQENABLE_CLR_0 -
217 omap->irq0_offset, value);
218}
219
208static void dwc3_omap_set_mailbox(struct dwc3_omap *omap, 220static void dwc3_omap_set_mailbox(struct dwc3_omap *omap,
209 enum omap_dwc3_vbus_id_status status) 221 enum omap_dwc3_vbus_id_status status)
210{ 222{
@@ -345,9 +357,23 @@ static void dwc3_omap_enable_irqs(struct dwc3_omap *omap)
345 357
346static void dwc3_omap_disable_irqs(struct dwc3_omap *omap) 358static void dwc3_omap_disable_irqs(struct dwc3_omap *omap)
347{ 359{
360 u32 reg;
361
348 /* disable all IRQs */ 362 /* disable all IRQs */
349 dwc3_omap_write_irqmisc_set(omap, 0x00); 363 reg = USBOTGSS_IRQO_COREIRQ_ST;
350 dwc3_omap_write_irq0_set(omap, 0x00); 364 dwc3_omap_write_irq0_clr(omap, reg);
365
366 reg = (USBOTGSS_IRQMISC_OEVT |
367 USBOTGSS_IRQMISC_DRVVBUS_RISE |
368 USBOTGSS_IRQMISC_CHRGVBUS_RISE |
369 USBOTGSS_IRQMISC_DISCHRGVBUS_RISE |
370 USBOTGSS_IRQMISC_IDPULLUP_RISE |
371 USBOTGSS_IRQMISC_DRVVBUS_FALL |
372 USBOTGSS_IRQMISC_CHRGVBUS_FALL |
373 USBOTGSS_IRQMISC_DISCHRGVBUS_FALL |
374 USBOTGSS_IRQMISC_IDPULLUP_FALL);
375
376 dwc3_omap_write_irqmisc_clr(omap, reg);
351} 377}
352 378
353static u64 dwc3_omap_dma_mask = DMA_BIT_MASK(32); 379static u64 dwc3_omap_dma_mask = DMA_BIT_MASK(32);
diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c
index 75648145dc1b..c42765b3a060 100644
--- a/drivers/usb/gadget/configfs.c
+++ b/drivers/usb/gadget/configfs.c
@@ -1161,7 +1161,6 @@ static ssize_t interf_grp_compatible_id_store(struct usb_os_desc *desc,
1161 if (desc->opts_mutex) 1161 if (desc->opts_mutex)
1162 mutex_lock(desc->opts_mutex); 1162 mutex_lock(desc->opts_mutex);
1163 memcpy(desc->ext_compat_id, page, l); 1163 memcpy(desc->ext_compat_id, page, l);
1164 desc->ext_compat_id[l] = '\0';
1165 1164
1166 if (desc->opts_mutex) 1165 if (desc->opts_mutex)
1167 mutex_unlock(desc->opts_mutex); 1166 mutex_unlock(desc->opts_mutex);
@@ -1192,7 +1191,6 @@ static ssize_t interf_grp_sub_compatible_id_store(struct usb_os_desc *desc,
1192 if (desc->opts_mutex) 1191 if (desc->opts_mutex)
1193 mutex_lock(desc->opts_mutex); 1192 mutex_lock(desc->opts_mutex);
1194 memcpy(desc->ext_compat_id + 8, page, l); 1193 memcpy(desc->ext_compat_id + 8, page, l);
1195 desc->ext_compat_id[l + 8] = '\0';
1196 1194
1197 if (desc->opts_mutex) 1195 if (desc->opts_mutex)
1198 mutex_unlock(desc->opts_mutex); 1196 mutex_unlock(desc->opts_mutex);
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index af98b096af2f..175c9956cbe3 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -144,10 +144,9 @@ struct ffs_io_data {
144 bool read; 144 bool read;
145 145
146 struct kiocb *kiocb; 146 struct kiocb *kiocb;
147 const struct iovec *iovec; 147 struct iov_iter data;
148 unsigned long nr_segs; 148 const void *to_free;
149 char __user *buf; 149 char *buf;
150 size_t len;
151 150
152 struct mm_struct *mm; 151 struct mm_struct *mm;
153 struct work_struct work; 152 struct work_struct work;
@@ -649,29 +648,10 @@ static void ffs_user_copy_worker(struct work_struct *work)
649 io_data->req->actual; 648 io_data->req->actual;
650 649
651 if (io_data->read && ret > 0) { 650 if (io_data->read && ret > 0) {
652 int i;
653 size_t pos = 0;
654
655 /*
656 * Since req->length may be bigger than io_data->len (after
657 * being rounded up to maxpacketsize), we may end up with more
658 * data then user space has space for.
659 */
660 ret = min_t(int, ret, io_data->len);
661
662 use_mm(io_data->mm); 651 use_mm(io_data->mm);
663 for (i = 0; i < io_data->nr_segs; i++) { 652 ret = copy_to_iter(io_data->buf, ret, &io_data->data);
664 size_t len = min_t(size_t, ret - pos, 653 if (iov_iter_count(&io_data->data))
665 io_data->iovec[i].iov_len); 654 ret = -EFAULT;
666 if (!len)
667 break;
668 if (unlikely(copy_to_user(io_data->iovec[i].iov_base,
669 &io_data->buf[pos], len))) {
670 ret = -EFAULT;
671 break;
672 }
673 pos += len;
674 }
675 unuse_mm(io_data->mm); 655 unuse_mm(io_data->mm);
676 } 656 }
677 657
@@ -684,7 +664,7 @@ static void ffs_user_copy_worker(struct work_struct *work)
684 664
685 io_data->kiocb->private = NULL; 665 io_data->kiocb->private = NULL;
686 if (io_data->read) 666 if (io_data->read)
687 kfree(io_data->iovec); 667 kfree(io_data->to_free);
688 kfree(io_data->buf); 668 kfree(io_data->buf);
689 kfree(io_data); 669 kfree(io_data);
690} 670}
@@ -743,6 +723,7 @@ static ssize_t ffs_epfile_io(struct file *file, struct ffs_io_data *io_data)
743 * before the waiting completes, so do not assign to 'gadget' earlier 723 * before the waiting completes, so do not assign to 'gadget' earlier
744 */ 724 */
745 struct usb_gadget *gadget = epfile->ffs->gadget; 725 struct usb_gadget *gadget = epfile->ffs->gadget;
726 size_t copied;
746 727
747 spin_lock_irq(&epfile->ffs->eps_lock); 728 spin_lock_irq(&epfile->ffs->eps_lock);
748 /* In the meantime, endpoint got disabled or changed. */ 729 /* In the meantime, endpoint got disabled or changed. */
@@ -750,34 +731,21 @@ static ssize_t ffs_epfile_io(struct file *file, struct ffs_io_data *io_data)
750 spin_unlock_irq(&epfile->ffs->eps_lock); 731 spin_unlock_irq(&epfile->ffs->eps_lock);
751 return -ESHUTDOWN; 732 return -ESHUTDOWN;
752 } 733 }
734 data_len = iov_iter_count(&io_data->data);
753 /* 735 /*
754 * Controller may require buffer size to be aligned to 736 * Controller may require buffer size to be aligned to
755 * maxpacketsize of an out endpoint. 737 * maxpacketsize of an out endpoint.
756 */ 738 */
757 data_len = io_data->read ? 739 if (io_data->read)
758 usb_ep_align_maybe(gadget, ep->ep, io_data->len) : 740 data_len = usb_ep_align_maybe(gadget, ep->ep, data_len);
759 io_data->len;
760 spin_unlock_irq(&epfile->ffs->eps_lock); 741 spin_unlock_irq(&epfile->ffs->eps_lock);
761 742
762 data = kmalloc(data_len, GFP_KERNEL); 743 data = kmalloc(data_len, GFP_KERNEL);
763 if (unlikely(!data)) 744 if (unlikely(!data))
764 return -ENOMEM; 745 return -ENOMEM;
765 if (io_data->aio && !io_data->read) { 746 if (!io_data->read) {
766 int i; 747 copied = copy_from_iter(data, data_len, &io_data->data);
767 size_t pos = 0; 748 if (copied != data_len) {
768 for (i = 0; i < io_data->nr_segs; i++) {
769 if (unlikely(copy_from_user(&data[pos],
770 io_data->iovec[i].iov_base,
771 io_data->iovec[i].iov_len))) {
772 ret = -EFAULT;
773 goto error;
774 }
775 pos += io_data->iovec[i].iov_len;
776 }
777 } else {
778 if (!io_data->read &&
779 unlikely(__copy_from_user(data, io_data->buf,
780 io_data->len))) {
781 ret = -EFAULT; 749 ret = -EFAULT;
782 goto error; 750 goto error;
783 } 751 }
@@ -876,10 +844,8 @@ static ssize_t ffs_epfile_io(struct file *file, struct ffs_io_data *io_data)
876 */ 844 */
877 ret = ep->status; 845 ret = ep->status;
878 if (io_data->read && ret > 0) { 846 if (io_data->read && ret > 0) {
879 ret = min_t(size_t, ret, io_data->len); 847 ret = copy_to_iter(data, ret, &io_data->data);
880 848 if (unlikely(iov_iter_count(&io_data->data)))
881 if (unlikely(copy_to_user(io_data->buf,
882 data, ret)))
883 ret = -EFAULT; 849 ret = -EFAULT;
884 } 850 }
885 } 851 }
@@ -898,37 +864,6 @@ error:
898 return ret; 864 return ret;
899} 865}
900 866
901static ssize_t
902ffs_epfile_write(struct file *file, const char __user *buf, size_t len,
903 loff_t *ptr)
904{
905 struct ffs_io_data io_data;
906
907 ENTER();
908
909 io_data.aio = false;
910 io_data.read = false;
911 io_data.buf = (char * __user)buf;
912 io_data.len = len;
913
914 return ffs_epfile_io(file, &io_data);
915}
916
917static ssize_t
918ffs_epfile_read(struct file *file, char __user *buf, size_t len, loff_t *ptr)
919{
920 struct ffs_io_data io_data;
921
922 ENTER();
923
924 io_data.aio = false;
925 io_data.read = true;
926 io_data.buf = buf;
927 io_data.len = len;
928
929 return ffs_epfile_io(file, &io_data);
930}
931
932static int 867static int
933ffs_epfile_open(struct inode *inode, struct file *file) 868ffs_epfile_open(struct inode *inode, struct file *file)
934{ 869{
@@ -965,67 +900,86 @@ static int ffs_aio_cancel(struct kiocb *kiocb)
965 return value; 900 return value;
966} 901}
967 902
968static ssize_t ffs_epfile_aio_write(struct kiocb *kiocb, 903static ssize_t ffs_epfile_write_iter(struct kiocb *kiocb, struct iov_iter *from)
969 const struct iovec *iovec,
970 unsigned long nr_segs, loff_t loff)
971{ 904{
972 struct ffs_io_data *io_data; 905 struct ffs_io_data io_data, *p = &io_data;
906 ssize_t res;
973 907
974 ENTER(); 908 ENTER();
975 909
976 io_data = kmalloc(sizeof(*io_data), GFP_KERNEL); 910 if (!is_sync_kiocb(kiocb)) {
977 if (unlikely(!io_data)) 911 p = kmalloc(sizeof(io_data), GFP_KERNEL);
978 return -ENOMEM; 912 if (unlikely(!p))
913 return -ENOMEM;
914 p->aio = true;
915 } else {
916 p->aio = false;
917 }
979 918
980 io_data->aio = true; 919 p->read = false;
981 io_data->read = false; 920 p->kiocb = kiocb;
982 io_data->kiocb = kiocb; 921 p->data = *from;
983 io_data->iovec = iovec; 922 p->mm = current->mm;
984 io_data->nr_segs = nr_segs;
985 io_data->len = kiocb->ki_nbytes;
986 io_data->mm = current->mm;
987 923
988 kiocb->private = io_data; 924 kiocb->private = p;
989 925
990 kiocb_set_cancel_fn(kiocb, ffs_aio_cancel); 926 kiocb_set_cancel_fn(kiocb, ffs_aio_cancel);
991 927
992 return ffs_epfile_io(kiocb->ki_filp, io_data); 928 res = ffs_epfile_io(kiocb->ki_filp, p);
929 if (res == -EIOCBQUEUED)
930 return res;
931 if (p->aio)
932 kfree(p);
933 else
934 *from = p->data;
935 return res;
993} 936}
994 937
995static ssize_t ffs_epfile_aio_read(struct kiocb *kiocb, 938static ssize_t ffs_epfile_read_iter(struct kiocb *kiocb, struct iov_iter *to)
996 const struct iovec *iovec,
997 unsigned long nr_segs, loff_t loff)
998{ 939{
999 struct ffs_io_data *io_data; 940 struct ffs_io_data io_data, *p = &io_data;
1000 struct iovec *iovec_copy; 941 ssize_t res;
1001 942
1002 ENTER(); 943 ENTER();
1003 944
1004 iovec_copy = kmalloc_array(nr_segs, sizeof(*iovec_copy), GFP_KERNEL); 945 if (!is_sync_kiocb(kiocb)) {
1005 if (unlikely(!iovec_copy)) 946 p = kmalloc(sizeof(io_data), GFP_KERNEL);
1006 return -ENOMEM; 947 if (unlikely(!p))
1007 948 return -ENOMEM;
1008 memcpy(iovec_copy, iovec, sizeof(struct iovec)*nr_segs); 949 p->aio = true;
1009 950 } else {
1010 io_data = kmalloc(sizeof(*io_data), GFP_KERNEL); 951 p->aio = false;
1011 if (unlikely(!io_data)) {
1012 kfree(iovec_copy);
1013 return -ENOMEM;
1014 } 952 }
1015 953
1016 io_data->aio = true; 954 p->read = true;
1017 io_data->read = true; 955 p->kiocb = kiocb;
1018 io_data->kiocb = kiocb; 956 if (p->aio) {
1019 io_data->iovec = iovec_copy; 957 p->to_free = dup_iter(&p->data, to, GFP_KERNEL);
1020 io_data->nr_segs = nr_segs; 958 if (!p->to_free) {
1021 io_data->len = kiocb->ki_nbytes; 959 kfree(p);
1022 io_data->mm = current->mm; 960 return -ENOMEM;
961 }
962 } else {
963 p->data = *to;
964 p->to_free = NULL;
965 }
966 p->mm = current->mm;
1023 967
1024 kiocb->private = io_data; 968 kiocb->private = p;
1025 969
1026 kiocb_set_cancel_fn(kiocb, ffs_aio_cancel); 970 kiocb_set_cancel_fn(kiocb, ffs_aio_cancel);
1027 971
1028 return ffs_epfile_io(kiocb->ki_filp, io_data); 972 res = ffs_epfile_io(kiocb->ki_filp, p);
973 if (res == -EIOCBQUEUED)
974 return res;
975
976 if (p->aio) {
977 kfree(p->to_free);
978 kfree(p);
979 } else {
980 *to = p->data;
981 }
982 return res;
1029} 983}
1030 984
1031static int 985static int
@@ -1105,10 +1059,10 @@ static const struct file_operations ffs_epfile_operations = {
1105 .llseek = no_llseek, 1059 .llseek = no_llseek,
1106 1060
1107 .open = ffs_epfile_open, 1061 .open = ffs_epfile_open,
1108 .write = ffs_epfile_write, 1062 .write = new_sync_write,
1109 .read = ffs_epfile_read, 1063 .read = new_sync_read,
1110 .aio_write = ffs_epfile_aio_write, 1064 .write_iter = ffs_epfile_write_iter,
1111 .aio_read = ffs_epfile_aio_read, 1065 .read_iter = ffs_epfile_read_iter,
1112 .release = ffs_epfile_release, 1066 .release = ffs_epfile_release,
1113 .unlocked_ioctl = ffs_epfile_ioctl, 1067 .unlocked_ioctl = ffs_epfile_ioctl,
1114}; 1068};
diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c
index 426d69a9c018..a2612fb79eff 100644
--- a/drivers/usb/gadget/function/f_hid.c
+++ b/drivers/usb/gadget/function/f_hid.c
@@ -569,7 +569,7 @@ fail:
569 return status; 569 return status;
570} 570}
571 571
572const struct file_operations f_hidg_fops = { 572static const struct file_operations f_hidg_fops = {
573 .owner = THIS_MODULE, 573 .owner = THIS_MODULE,
574 .open = f_hidg_open, 574 .open = f_hidg_open,
575 .release = f_hidg_release, 575 .release = f_hidg_release,
diff --git a/drivers/usb/gadget/function/f_phonet.c b/drivers/usb/gadget/function/f_phonet.c
index c89e96cfa3e4..c0c3ef272714 100644
--- a/drivers/usb/gadget/function/f_phonet.c
+++ b/drivers/usb/gadget/function/f_phonet.c
@@ -417,7 +417,10 @@ static int pn_set_alt(struct usb_function *f, unsigned intf, unsigned alt)
417 return -EINVAL; 417 return -EINVAL;
418 418
419 spin_lock(&port->lock); 419 spin_lock(&port->lock);
420 __pn_reset(f); 420
421 if (fp->in_ep->driver_data)
422 __pn_reset(f);
423
421 if (alt == 1) { 424 if (alt == 1) {
422 int i; 425 int i;
423 426
diff --git a/drivers/usb/gadget/function/f_sourcesink.c b/drivers/usb/gadget/function/f_sourcesink.c
index e07c50ced64d..e3dae47baef3 100644
--- a/drivers/usb/gadget/function/f_sourcesink.c
+++ b/drivers/usb/gadget/function/f_sourcesink.c
@@ -344,7 +344,7 @@ static struct usb_endpoint_descriptor ss_int_source_desc = {
344 .bInterval = USB_MS_TO_SS_INTERVAL(GZERO_INT_INTERVAL), 344 .bInterval = USB_MS_TO_SS_INTERVAL(GZERO_INT_INTERVAL),
345}; 345};
346 346
347struct usb_ss_ep_comp_descriptor ss_int_source_comp_desc = { 347static struct usb_ss_ep_comp_descriptor ss_int_source_comp_desc = {
348 .bLength = USB_DT_SS_EP_COMP_SIZE, 348 .bLength = USB_DT_SS_EP_COMP_SIZE,
349 .bDescriptorType = USB_DT_SS_ENDPOINT_COMP, 349 .bDescriptorType = USB_DT_SS_ENDPOINT_COMP,
350 350
@@ -362,7 +362,7 @@ static struct usb_endpoint_descriptor ss_int_sink_desc = {
362 .bInterval = USB_MS_TO_SS_INTERVAL(GZERO_INT_INTERVAL), 362 .bInterval = USB_MS_TO_SS_INTERVAL(GZERO_INT_INTERVAL),
363}; 363};
364 364
365struct usb_ss_ep_comp_descriptor ss_int_sink_comp_desc = { 365static struct usb_ss_ep_comp_descriptor ss_int_sink_comp_desc = {
366 .bLength = USB_DT_SS_EP_COMP_SIZE, 366 .bLength = USB_DT_SS_EP_COMP_SIZE,
367 .bDescriptorType = USB_DT_SS_ENDPOINT_COMP, 367 .bDescriptorType = USB_DT_SS_ENDPOINT_COMP,
368 368
diff --git a/drivers/usb/gadget/function/f_uac2.c b/drivers/usb/gadget/function/f_uac2.c
index 33e16658e5cf..6d3eb8b00a48 100644
--- a/drivers/usb/gadget/function/f_uac2.c
+++ b/drivers/usb/gadget/function/f_uac2.c
@@ -54,7 +54,7 @@
54#define UNFLW_CTRL 8 54#define UNFLW_CTRL 8
55#define OVFLW_CTRL 10 55#define OVFLW_CTRL 10
56 56
57const char *uac2_name = "snd_uac2"; 57static const char *uac2_name = "snd_uac2";
58 58
59struct uac2_req { 59struct uac2_req {
60 struct uac2_rtd_params *pp; /* parent param */ 60 struct uac2_rtd_params *pp; /* parent param */
@@ -634,7 +634,7 @@ static struct usb_interface_descriptor std_ac_if_desc = {
634}; 634};
635 635
636/* Clock source for IN traffic */ 636/* Clock source for IN traffic */
637struct uac_clock_source_descriptor in_clk_src_desc = { 637static struct uac_clock_source_descriptor in_clk_src_desc = {
638 .bLength = sizeof in_clk_src_desc, 638 .bLength = sizeof in_clk_src_desc,
639 .bDescriptorType = USB_DT_CS_INTERFACE, 639 .bDescriptorType = USB_DT_CS_INTERFACE,
640 640
@@ -646,7 +646,7 @@ struct uac_clock_source_descriptor in_clk_src_desc = {
646}; 646};
647 647
648/* Clock source for OUT traffic */ 648/* Clock source for OUT traffic */
649struct uac_clock_source_descriptor out_clk_src_desc = { 649static struct uac_clock_source_descriptor out_clk_src_desc = {
650 .bLength = sizeof out_clk_src_desc, 650 .bLength = sizeof out_clk_src_desc,
651 .bDescriptorType = USB_DT_CS_INTERFACE, 651 .bDescriptorType = USB_DT_CS_INTERFACE,
652 652
@@ -658,7 +658,7 @@ struct uac_clock_source_descriptor out_clk_src_desc = {
658}; 658};
659 659
660/* Input Terminal for USB_OUT */ 660/* Input Terminal for USB_OUT */
661struct uac2_input_terminal_descriptor usb_out_it_desc = { 661static struct uac2_input_terminal_descriptor usb_out_it_desc = {
662 .bLength = sizeof usb_out_it_desc, 662 .bLength = sizeof usb_out_it_desc,
663 .bDescriptorType = USB_DT_CS_INTERFACE, 663 .bDescriptorType = USB_DT_CS_INTERFACE,
664 664
@@ -672,7 +672,7 @@ struct uac2_input_terminal_descriptor usb_out_it_desc = {
672}; 672};
673 673
674/* Input Terminal for I/O-In */ 674/* Input Terminal for I/O-In */
675struct uac2_input_terminal_descriptor io_in_it_desc = { 675static struct uac2_input_terminal_descriptor io_in_it_desc = {
676 .bLength = sizeof io_in_it_desc, 676 .bLength = sizeof io_in_it_desc,
677 .bDescriptorType = USB_DT_CS_INTERFACE, 677 .bDescriptorType = USB_DT_CS_INTERFACE,
678 678
@@ -686,7 +686,7 @@ struct uac2_input_terminal_descriptor io_in_it_desc = {
686}; 686};
687 687
688/* Ouput Terminal for USB_IN */ 688/* Ouput Terminal for USB_IN */
689struct uac2_output_terminal_descriptor usb_in_ot_desc = { 689static struct uac2_output_terminal_descriptor usb_in_ot_desc = {
690 .bLength = sizeof usb_in_ot_desc, 690 .bLength = sizeof usb_in_ot_desc,
691 .bDescriptorType = USB_DT_CS_INTERFACE, 691 .bDescriptorType = USB_DT_CS_INTERFACE,
692 692
@@ -700,7 +700,7 @@ struct uac2_output_terminal_descriptor usb_in_ot_desc = {
700}; 700};
701 701
702/* Ouput Terminal for I/O-Out */ 702/* Ouput Terminal for I/O-Out */
703struct uac2_output_terminal_descriptor io_out_ot_desc = { 703static struct uac2_output_terminal_descriptor io_out_ot_desc = {
704 .bLength = sizeof io_out_ot_desc, 704 .bLength = sizeof io_out_ot_desc,
705 .bDescriptorType = USB_DT_CS_INTERFACE, 705 .bDescriptorType = USB_DT_CS_INTERFACE,
706 706
@@ -713,7 +713,7 @@ struct uac2_output_terminal_descriptor io_out_ot_desc = {
713 .bmControls = (CONTROL_RDWR << COPY_CTRL), 713 .bmControls = (CONTROL_RDWR << COPY_CTRL),
714}; 714};
715 715
716struct uac2_ac_header_descriptor ac_hdr_desc = { 716static struct uac2_ac_header_descriptor ac_hdr_desc = {
717 .bLength = sizeof ac_hdr_desc, 717 .bLength = sizeof ac_hdr_desc,
718 .bDescriptorType = USB_DT_CS_INTERFACE, 718 .bDescriptorType = USB_DT_CS_INTERFACE,
719 719
@@ -751,7 +751,7 @@ static struct usb_interface_descriptor std_as_out_if1_desc = {
751}; 751};
752 752
753/* Audio Stream OUT Intface Desc */ 753/* Audio Stream OUT Intface Desc */
754struct uac2_as_header_descriptor as_out_hdr_desc = { 754static struct uac2_as_header_descriptor as_out_hdr_desc = {
755 .bLength = sizeof as_out_hdr_desc, 755 .bLength = sizeof as_out_hdr_desc,
756 .bDescriptorType = USB_DT_CS_INTERFACE, 756 .bDescriptorType = USB_DT_CS_INTERFACE,
757 757
@@ -764,7 +764,7 @@ struct uac2_as_header_descriptor as_out_hdr_desc = {
764}; 764};
765 765
766/* Audio USB_OUT Format */ 766/* Audio USB_OUT Format */
767struct uac2_format_type_i_descriptor as_out_fmt1_desc = { 767static struct uac2_format_type_i_descriptor as_out_fmt1_desc = {
768 .bLength = sizeof as_out_fmt1_desc, 768 .bLength = sizeof as_out_fmt1_desc,
769 .bDescriptorType = USB_DT_CS_INTERFACE, 769 .bDescriptorType = USB_DT_CS_INTERFACE,
770 .bDescriptorSubtype = UAC_FORMAT_TYPE, 770 .bDescriptorSubtype = UAC_FORMAT_TYPE,
@@ -772,7 +772,7 @@ struct uac2_format_type_i_descriptor as_out_fmt1_desc = {
772}; 772};
773 773
774/* STD AS ISO OUT Endpoint */ 774/* STD AS ISO OUT Endpoint */
775struct usb_endpoint_descriptor fs_epout_desc = { 775static struct usb_endpoint_descriptor fs_epout_desc = {
776 .bLength = USB_DT_ENDPOINT_SIZE, 776 .bLength = USB_DT_ENDPOINT_SIZE,
777 .bDescriptorType = USB_DT_ENDPOINT, 777 .bDescriptorType = USB_DT_ENDPOINT,
778 778
@@ -782,7 +782,7 @@ struct usb_endpoint_descriptor fs_epout_desc = {
782 .bInterval = 1, 782 .bInterval = 1,
783}; 783};
784 784
785struct usb_endpoint_descriptor hs_epout_desc = { 785static struct usb_endpoint_descriptor hs_epout_desc = {
786 .bLength = USB_DT_ENDPOINT_SIZE, 786 .bLength = USB_DT_ENDPOINT_SIZE,
787 .bDescriptorType = USB_DT_ENDPOINT, 787 .bDescriptorType = USB_DT_ENDPOINT,
788 788
@@ -828,7 +828,7 @@ static struct usb_interface_descriptor std_as_in_if1_desc = {
828}; 828};
829 829
830/* Audio Stream IN Intface Desc */ 830/* Audio Stream IN Intface Desc */
831struct uac2_as_header_descriptor as_in_hdr_desc = { 831static struct uac2_as_header_descriptor as_in_hdr_desc = {
832 .bLength = sizeof as_in_hdr_desc, 832 .bLength = sizeof as_in_hdr_desc,
833 .bDescriptorType = USB_DT_CS_INTERFACE, 833 .bDescriptorType = USB_DT_CS_INTERFACE,
834 834
@@ -841,7 +841,7 @@ struct uac2_as_header_descriptor as_in_hdr_desc = {
841}; 841};
842 842
843/* Audio USB_IN Format */ 843/* Audio USB_IN Format */
844struct uac2_format_type_i_descriptor as_in_fmt1_desc = { 844static struct uac2_format_type_i_descriptor as_in_fmt1_desc = {
845 .bLength = sizeof as_in_fmt1_desc, 845 .bLength = sizeof as_in_fmt1_desc,
846 .bDescriptorType = USB_DT_CS_INTERFACE, 846 .bDescriptorType = USB_DT_CS_INTERFACE,
847 .bDescriptorSubtype = UAC_FORMAT_TYPE, 847 .bDescriptorSubtype = UAC_FORMAT_TYPE,
@@ -849,7 +849,7 @@ struct uac2_format_type_i_descriptor as_in_fmt1_desc = {
849}; 849};
850 850
851/* STD AS ISO IN Endpoint */ 851/* STD AS ISO IN Endpoint */
852struct usb_endpoint_descriptor fs_epin_desc = { 852static struct usb_endpoint_descriptor fs_epin_desc = {
853 .bLength = USB_DT_ENDPOINT_SIZE, 853 .bLength = USB_DT_ENDPOINT_SIZE,
854 .bDescriptorType = USB_DT_ENDPOINT, 854 .bDescriptorType = USB_DT_ENDPOINT,
855 855
@@ -859,7 +859,7 @@ struct usb_endpoint_descriptor fs_epin_desc = {
859 .bInterval = 1, 859 .bInterval = 1,
860}; 860};
861 861
862struct usb_endpoint_descriptor hs_epin_desc = { 862static struct usb_endpoint_descriptor hs_epin_desc = {
863 .bLength = USB_DT_ENDPOINT_SIZE, 863 .bLength = USB_DT_ENDPOINT_SIZE,
864 .bDescriptorType = USB_DT_ENDPOINT, 864 .bDescriptorType = USB_DT_ENDPOINT,
865 865
@@ -1563,7 +1563,7 @@ static void afunc_unbind(struct usb_configuration *c, struct usb_function *f)
1563 agdev->out_ep->driver_data = NULL; 1563 agdev->out_ep->driver_data = NULL;
1564} 1564}
1565 1565
1566struct usb_function *afunc_alloc(struct usb_function_instance *fi) 1566static struct usb_function *afunc_alloc(struct usb_function_instance *fi)
1567{ 1567{
1568 struct audio_dev *agdev; 1568 struct audio_dev *agdev;
1569 struct f_uac2_opts *opts; 1569 struct f_uac2_opts *opts;
diff --git a/drivers/usb/gadget/function/uvc_v4l2.c b/drivers/usb/gadget/function/uvc_v4l2.c
index 5aad7fededa5..8b818fd027b3 100644
--- a/drivers/usb/gadget/function/uvc_v4l2.c
+++ b/drivers/usb/gadget/function/uvc_v4l2.c
@@ -27,6 +27,7 @@
27#include "uvc.h" 27#include "uvc.h"
28#include "uvc_queue.h" 28#include "uvc_queue.h"
29#include "uvc_video.h" 29#include "uvc_video.h"
30#include "uvc_v4l2.h"
30 31
31/* -------------------------------------------------------------------------- 32/* --------------------------------------------------------------------------
32 * Requests handling 33 * Requests handling
diff --git a/drivers/usb/gadget/function/uvc_video.c b/drivers/usb/gadget/function/uvc_video.c
index 9cb86bc1a9a5..50a5e637ca35 100644
--- a/drivers/usb/gadget/function/uvc_video.c
+++ b/drivers/usb/gadget/function/uvc_video.c
@@ -21,6 +21,7 @@
21 21
22#include "uvc.h" 22#include "uvc.h"
23#include "uvc_queue.h" 23#include "uvc_queue.h"
24#include "uvc_video.h"
24 25
25/* -------------------------------------------------------------------------- 26/* --------------------------------------------------------------------------
26 * Video codecs 27 * Video codecs
diff --git a/drivers/usb/gadget/legacy/g_ffs.c b/drivers/usb/gadget/legacy/g_ffs.c
index 06acfa55864a..b01b88e1b716 100644
--- a/drivers/usb/gadget/legacy/g_ffs.c
+++ b/drivers/usb/gadget/legacy/g_ffs.c
@@ -133,7 +133,9 @@ struct gfs_configuration {
133 struct usb_configuration c; 133 struct usb_configuration c;
134 int (*eth)(struct usb_configuration *c); 134 int (*eth)(struct usb_configuration *c);
135 int num; 135 int num;
136} gfs_configurations[] = { 136};
137
138static struct gfs_configuration gfs_configurations[] = {
137#ifdef CONFIG_USB_FUNCTIONFS_RNDIS 139#ifdef CONFIG_USB_FUNCTIONFS_RNDIS
138 { 140 {
139 .eth = bind_rndis_config, 141 .eth = bind_rndis_config,
@@ -278,7 +280,7 @@ static void *functionfs_acquire_dev(struct ffs_dev *dev)
278 if (!try_module_get(THIS_MODULE)) 280 if (!try_module_get(THIS_MODULE))
279 return ERR_PTR(-ENOENT); 281 return ERR_PTR(-ENOENT);
280 282
281 return 0; 283 return NULL;
282} 284}
283 285
284static void functionfs_release_dev(struct ffs_dev *dev) 286static void functionfs_release_dev(struct ffs_dev *dev)
diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c
index db49ec4c748e..200f9a584064 100644
--- a/drivers/usb/gadget/legacy/inode.c
+++ b/drivers/usb/gadget/legacy/inode.c
@@ -74,6 +74,8 @@ MODULE_DESCRIPTION (DRIVER_DESC);
74MODULE_AUTHOR ("David Brownell"); 74MODULE_AUTHOR ("David Brownell");
75MODULE_LICENSE ("GPL"); 75MODULE_LICENSE ("GPL");
76 76
77static int ep_open(struct inode *, struct file *);
78
77 79
78/*----------------------------------------------------------------------*/ 80/*----------------------------------------------------------------------*/
79 81
@@ -283,14 +285,15 @@ static void epio_complete (struct usb_ep *ep, struct usb_request *req)
283 * still need dev->lock to use epdata->ep. 285 * still need dev->lock to use epdata->ep.
284 */ 286 */
285static int 287static int
286get_ready_ep (unsigned f_flags, struct ep_data *epdata) 288get_ready_ep (unsigned f_flags, struct ep_data *epdata, bool is_write)
287{ 289{
288 int val; 290 int val;
289 291
290 if (f_flags & O_NONBLOCK) { 292 if (f_flags & O_NONBLOCK) {
291 if (!mutex_trylock(&epdata->lock)) 293 if (!mutex_trylock(&epdata->lock))
292 goto nonblock; 294 goto nonblock;
293 if (epdata->state != STATE_EP_ENABLED) { 295 if (epdata->state != STATE_EP_ENABLED &&
296 (!is_write || epdata->state != STATE_EP_READY)) {
294 mutex_unlock(&epdata->lock); 297 mutex_unlock(&epdata->lock);
295nonblock: 298nonblock:
296 val = -EAGAIN; 299 val = -EAGAIN;
@@ -305,18 +308,20 @@ nonblock:
305 308
306 switch (epdata->state) { 309 switch (epdata->state) {
307 case STATE_EP_ENABLED: 310 case STATE_EP_ENABLED:
311 return 0;
312 case STATE_EP_READY: /* not configured yet */
313 if (is_write)
314 return 0;
315 // FALLTHRU
316 case STATE_EP_UNBOUND: /* clean disconnect */
308 break; 317 break;
309 // case STATE_EP_DISABLED: /* "can't happen" */ 318 // case STATE_EP_DISABLED: /* "can't happen" */
310 // case STATE_EP_READY: /* "can't happen" */
311 default: /* error! */ 319 default: /* error! */
312 pr_debug ("%s: ep %p not available, state %d\n", 320 pr_debug ("%s: ep %p not available, state %d\n",
313 shortname, epdata, epdata->state); 321 shortname, epdata, epdata->state);
314 // FALLTHROUGH
315 case STATE_EP_UNBOUND: /* clean disconnect */
316 val = -ENODEV;
317 mutex_unlock(&epdata->lock);
318 } 322 }
319 return val; 323 mutex_unlock(&epdata->lock);
324 return -ENODEV;
320} 325}
321 326
322static ssize_t 327static ssize_t
@@ -363,97 +368,6 @@ ep_io (struct ep_data *epdata, void *buf, unsigned len)
363 return value; 368 return value;
364} 369}
365 370
366
367/* handle a synchronous OUT bulk/intr/iso transfer */
368static ssize_t
369ep_read (struct file *fd, char __user *buf, size_t len, loff_t *ptr)
370{
371 struct ep_data *data = fd->private_data;
372 void *kbuf;
373 ssize_t value;
374
375 if ((value = get_ready_ep (fd->f_flags, data)) < 0)
376 return value;
377
378 /* halt any endpoint by doing a "wrong direction" i/o call */
379 if (usb_endpoint_dir_in(&data->desc)) {
380 if (usb_endpoint_xfer_isoc(&data->desc)) {
381 mutex_unlock(&data->lock);
382 return -EINVAL;
383 }
384 DBG (data->dev, "%s halt\n", data->name);
385 spin_lock_irq (&data->dev->lock);
386 if (likely (data->ep != NULL))
387 usb_ep_set_halt (data->ep);
388 spin_unlock_irq (&data->dev->lock);
389 mutex_unlock(&data->lock);
390 return -EBADMSG;
391 }
392
393 /* FIXME readahead for O_NONBLOCK and poll(); careful with ZLPs */
394
395 value = -ENOMEM;
396 kbuf = kmalloc (len, GFP_KERNEL);
397 if (unlikely (!kbuf))
398 goto free1;
399
400 value = ep_io (data, kbuf, len);
401 VDEBUG (data->dev, "%s read %zu OUT, status %d\n",
402 data->name, len, (int) value);
403 if (value >= 0 && copy_to_user (buf, kbuf, value))
404 value = -EFAULT;
405
406free1:
407 mutex_unlock(&data->lock);
408 kfree (kbuf);
409 return value;
410}
411
412/* handle a synchronous IN bulk/intr/iso transfer */
413static ssize_t
414ep_write (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
415{
416 struct ep_data *data = fd->private_data;
417 void *kbuf;
418 ssize_t value;
419
420 if ((value = get_ready_ep (fd->f_flags, data)) < 0)
421 return value;
422
423 /* halt any endpoint by doing a "wrong direction" i/o call */
424 if (!usb_endpoint_dir_in(&data->desc)) {
425 if (usb_endpoint_xfer_isoc(&data->desc)) {
426 mutex_unlock(&data->lock);
427 return -EINVAL;
428 }
429 DBG (data->dev, "%s halt\n", data->name);
430 spin_lock_irq (&data->dev->lock);
431 if (likely (data->ep != NULL))
432 usb_ep_set_halt (data->ep);
433 spin_unlock_irq (&data->dev->lock);
434 mutex_unlock(&data->lock);
435 return -EBADMSG;
436 }
437
438 /* FIXME writebehind for O_NONBLOCK and poll(), qlen = 1 */
439
440 value = -ENOMEM;
441 kbuf = memdup_user(buf, len);
442 if (IS_ERR(kbuf)) {
443 value = PTR_ERR(kbuf);
444 kbuf = NULL;
445 goto free1;
446 }
447
448 value = ep_io (data, kbuf, len);
449 VDEBUG (data->dev, "%s write %zu IN, status %d\n",
450 data->name, len, (int) value);
451free1:
452 mutex_unlock(&data->lock);
453 kfree (kbuf);
454 return value;
455}
456
457static int 371static int
458ep_release (struct inode *inode, struct file *fd) 372ep_release (struct inode *inode, struct file *fd)
459{ 373{
@@ -481,7 +395,7 @@ static long ep_ioctl(struct file *fd, unsigned code, unsigned long value)
481 struct ep_data *data = fd->private_data; 395 struct ep_data *data = fd->private_data;
482 int status; 396 int status;
483 397
484 if ((status = get_ready_ep (fd->f_flags, data)) < 0) 398 if ((status = get_ready_ep (fd->f_flags, data, false)) < 0)
485 return status; 399 return status;
486 400
487 spin_lock_irq (&data->dev->lock); 401 spin_lock_irq (&data->dev->lock);
@@ -517,8 +431,8 @@ struct kiocb_priv {
517 struct mm_struct *mm; 431 struct mm_struct *mm;
518 struct work_struct work; 432 struct work_struct work;
519 void *buf; 433 void *buf;
520 const struct iovec *iv; 434 struct iov_iter to;
521 unsigned long nr_segs; 435 const void *to_free;
522 unsigned actual; 436 unsigned actual;
523}; 437};
524 438
@@ -541,35 +455,6 @@ static int ep_aio_cancel(struct kiocb *iocb)
541 return value; 455 return value;
542} 456}
543 457
544static ssize_t ep_copy_to_user(struct kiocb_priv *priv)
545{
546 ssize_t len, total;
547 void *to_copy;
548 int i;
549
550 /* copy stuff into user buffers */
551 total = priv->actual;
552 len = 0;
553 to_copy = priv->buf;
554 for (i=0; i < priv->nr_segs; i++) {
555 ssize_t this = min((ssize_t)(priv->iv[i].iov_len), total);
556
557 if (copy_to_user(priv->iv[i].iov_base, to_copy, this)) {
558 if (len == 0)
559 len = -EFAULT;
560 break;
561 }
562
563 total -= this;
564 len += this;
565 to_copy += this;
566 if (total == 0)
567 break;
568 }
569
570 return len;
571}
572
573static void ep_user_copy_worker(struct work_struct *work) 458static void ep_user_copy_worker(struct work_struct *work)
574{ 459{
575 struct kiocb_priv *priv = container_of(work, struct kiocb_priv, work); 460 struct kiocb_priv *priv = container_of(work, struct kiocb_priv, work);
@@ -578,13 +463,16 @@ static void ep_user_copy_worker(struct work_struct *work)
578 size_t ret; 463 size_t ret;
579 464
580 use_mm(mm); 465 use_mm(mm);
581 ret = ep_copy_to_user(priv); 466 ret = copy_to_iter(priv->buf, priv->actual, &priv->to);
582 unuse_mm(mm); 467 unuse_mm(mm);
468 if (!ret)
469 ret = -EFAULT;
583 470
584 /* completing the iocb can drop the ctx and mm, don't touch mm after */ 471 /* completing the iocb can drop the ctx and mm, don't touch mm after */
585 aio_complete(iocb, ret, ret); 472 aio_complete(iocb, ret, ret);
586 473
587 kfree(priv->buf); 474 kfree(priv->buf);
475 kfree(priv->to_free);
588 kfree(priv); 476 kfree(priv);
589} 477}
590 478
@@ -603,8 +491,9 @@ static void ep_aio_complete(struct usb_ep *ep, struct usb_request *req)
603 * don't need to copy anything to userspace, so we can 491 * don't need to copy anything to userspace, so we can
604 * complete the aio request immediately. 492 * complete the aio request immediately.
605 */ 493 */
606 if (priv->iv == NULL || unlikely(req->actual == 0)) { 494 if (priv->to_free == NULL || unlikely(req->actual == 0)) {
607 kfree(req->buf); 495 kfree(req->buf);
496 kfree(priv->to_free);
608 kfree(priv); 497 kfree(priv);
609 iocb->private = NULL; 498 iocb->private = NULL;
610 /* aio_complete() reports bytes-transferred _and_ faults */ 499 /* aio_complete() reports bytes-transferred _and_ faults */
@@ -618,6 +507,7 @@ static void ep_aio_complete(struct usb_ep *ep, struct usb_request *req)
618 507
619 priv->buf = req->buf; 508 priv->buf = req->buf;
620 priv->actual = req->actual; 509 priv->actual = req->actual;
510 INIT_WORK(&priv->work, ep_user_copy_worker);
621 schedule_work(&priv->work); 511 schedule_work(&priv->work);
622 } 512 }
623 spin_unlock(&epdata->dev->lock); 513 spin_unlock(&epdata->dev->lock);
@@ -626,38 +516,17 @@ static void ep_aio_complete(struct usb_ep *ep, struct usb_request *req)
626 put_ep(epdata); 516 put_ep(epdata);
627} 517}
628 518
629static ssize_t 519static ssize_t ep_aio(struct kiocb *iocb,
630ep_aio_rwtail( 520 struct kiocb_priv *priv,
631 struct kiocb *iocb, 521 struct ep_data *epdata,
632 char *buf, 522 char *buf,
633 size_t len, 523 size_t len)
634 struct ep_data *epdata,
635 const struct iovec *iv,
636 unsigned long nr_segs
637)
638{ 524{
639 struct kiocb_priv *priv; 525 struct usb_request *req;
640 struct usb_request *req; 526 ssize_t value;
641 ssize_t value;
642 527
643 priv = kmalloc(sizeof *priv, GFP_KERNEL);
644 if (!priv) {
645 value = -ENOMEM;
646fail:
647 kfree(buf);
648 return value;
649 }
650 iocb->private = priv; 528 iocb->private = priv;
651 priv->iocb = iocb; 529 priv->iocb = iocb;
652 priv->iv = iv;
653 priv->nr_segs = nr_segs;
654 INIT_WORK(&priv->work, ep_user_copy_worker);
655
656 value = get_ready_ep(iocb->ki_filp->f_flags, epdata);
657 if (unlikely(value < 0)) {
658 kfree(priv);
659 goto fail;
660 }
661 530
662 kiocb_set_cancel_fn(iocb, ep_aio_cancel); 531 kiocb_set_cancel_fn(iocb, ep_aio_cancel);
663 get_ep(epdata); 532 get_ep(epdata);
@@ -669,75 +538,154 @@ fail:
669 * allocate or submit those if the host disconnected. 538 * allocate or submit those if the host disconnected.
670 */ 539 */
671 spin_lock_irq(&epdata->dev->lock); 540 spin_lock_irq(&epdata->dev->lock);
672 if (likely(epdata->ep)) { 541 value = -ENODEV;
673 req = usb_ep_alloc_request(epdata->ep, GFP_ATOMIC); 542 if (unlikely(epdata->ep))
674 if (likely(req)) { 543 goto fail;
675 priv->req = req;
676 req->buf = buf;
677 req->length = len;
678 req->complete = ep_aio_complete;
679 req->context = iocb;
680 value = usb_ep_queue(epdata->ep, req, GFP_ATOMIC);
681 if (unlikely(0 != value))
682 usb_ep_free_request(epdata->ep, req);
683 } else
684 value = -EAGAIN;
685 } else
686 value = -ENODEV;
687 spin_unlock_irq(&epdata->dev->lock);
688 544
689 mutex_unlock(&epdata->lock); 545 req = usb_ep_alloc_request(epdata->ep, GFP_ATOMIC);
546 value = -ENOMEM;
547 if (unlikely(!req))
548 goto fail;
690 549
691 if (unlikely(value)) { 550 priv->req = req;
692 kfree(priv); 551 req->buf = buf;
693 put_ep(epdata); 552 req->length = len;
694 } else 553 req->complete = ep_aio_complete;
695 value = -EIOCBQUEUED; 554 req->context = iocb;
555 value = usb_ep_queue(epdata->ep, req, GFP_ATOMIC);
556 if (unlikely(0 != value)) {
557 usb_ep_free_request(epdata->ep, req);
558 goto fail;
559 }
560 spin_unlock_irq(&epdata->dev->lock);
561 return -EIOCBQUEUED;
562
563fail:
564 spin_unlock_irq(&epdata->dev->lock);
565 kfree(priv->to_free);
566 kfree(priv);
567 put_ep(epdata);
696 return value; 568 return value;
697} 569}
698 570
699static ssize_t 571static ssize_t
700ep_aio_read(struct kiocb *iocb, const struct iovec *iov, 572ep_read_iter(struct kiocb *iocb, struct iov_iter *to)
701 unsigned long nr_segs, loff_t o)
702{ 573{
703 struct ep_data *epdata = iocb->ki_filp->private_data; 574 struct file *file = iocb->ki_filp;
704 char *buf; 575 struct ep_data *epdata = file->private_data;
576 size_t len = iov_iter_count(to);
577 ssize_t value;
578 char *buf;
705 579
706 if (unlikely(usb_endpoint_dir_in(&epdata->desc))) 580 if ((value = get_ready_ep(file->f_flags, epdata, false)) < 0)
707 return -EINVAL; 581 return value;
708 582
709 buf = kmalloc(iocb->ki_nbytes, GFP_KERNEL); 583 /* halt any endpoint by doing a "wrong direction" i/o call */
710 if (unlikely(!buf)) 584 if (usb_endpoint_dir_in(&epdata->desc)) {
711 return -ENOMEM; 585 if (usb_endpoint_xfer_isoc(&epdata->desc) ||
586 !is_sync_kiocb(iocb)) {
587 mutex_unlock(&epdata->lock);
588 return -EINVAL;
589 }
590 DBG (epdata->dev, "%s halt\n", epdata->name);
591 spin_lock_irq(&epdata->dev->lock);
592 if (likely(epdata->ep != NULL))
593 usb_ep_set_halt(epdata->ep);
594 spin_unlock_irq(&epdata->dev->lock);
595 mutex_unlock(&epdata->lock);
596 return -EBADMSG;
597 }
712 598
713 return ep_aio_rwtail(iocb, buf, iocb->ki_nbytes, epdata, iov, nr_segs); 599 buf = kmalloc(len, GFP_KERNEL);
600 if (unlikely(!buf)) {
601 mutex_unlock(&epdata->lock);
602 return -ENOMEM;
603 }
604 if (is_sync_kiocb(iocb)) {
605 value = ep_io(epdata, buf, len);
606 if (value >= 0 && copy_to_iter(buf, value, to))
607 value = -EFAULT;
608 } else {
609 struct kiocb_priv *priv = kzalloc(sizeof *priv, GFP_KERNEL);
610 value = -ENOMEM;
611 if (!priv)
612 goto fail;
613 priv->to_free = dup_iter(&priv->to, to, GFP_KERNEL);
614 if (!priv->to_free) {
615 kfree(priv);
616 goto fail;
617 }
618 value = ep_aio(iocb, priv, epdata, buf, len);
619 if (value == -EIOCBQUEUED)
620 buf = NULL;
621 }
622fail:
623 kfree(buf);
624 mutex_unlock(&epdata->lock);
625 return value;
714} 626}
715 627
628static ssize_t ep_config(struct ep_data *, const char *, size_t);
629
716static ssize_t 630static ssize_t
717ep_aio_write(struct kiocb *iocb, const struct iovec *iov, 631ep_write_iter(struct kiocb *iocb, struct iov_iter *from)
718 unsigned long nr_segs, loff_t o)
719{ 632{
720 struct ep_data *epdata = iocb->ki_filp->private_data; 633 struct file *file = iocb->ki_filp;
721 char *buf; 634 struct ep_data *epdata = file->private_data;
722 size_t len = 0; 635 size_t len = iov_iter_count(from);
723 int i = 0; 636 bool configured;
637 ssize_t value;
638 char *buf;
639
640 if ((value = get_ready_ep(file->f_flags, epdata, true)) < 0)
641 return value;
724 642
725 if (unlikely(!usb_endpoint_dir_in(&epdata->desc))) 643 configured = epdata->state == STATE_EP_ENABLED;
726 return -EINVAL;
727 644
728 buf = kmalloc(iocb->ki_nbytes, GFP_KERNEL); 645 /* halt any endpoint by doing a "wrong direction" i/o call */
729 if (unlikely(!buf)) 646 if (configured && !usb_endpoint_dir_in(&epdata->desc)) {
647 if (usb_endpoint_xfer_isoc(&epdata->desc) ||
648 !is_sync_kiocb(iocb)) {
649 mutex_unlock(&epdata->lock);
650 return -EINVAL;
651 }
652 DBG (epdata->dev, "%s halt\n", epdata->name);
653 spin_lock_irq(&epdata->dev->lock);
654 if (likely(epdata->ep != NULL))
655 usb_ep_set_halt(epdata->ep);
656 spin_unlock_irq(&epdata->dev->lock);
657 mutex_unlock(&epdata->lock);
658 return -EBADMSG;
659 }
660
661 buf = kmalloc(len, GFP_KERNEL);
662 if (unlikely(!buf)) {
663 mutex_unlock(&epdata->lock);
730 return -ENOMEM; 664 return -ENOMEM;
665 }
731 666
732 for (i=0; i < nr_segs; i++) { 667 if (unlikely(copy_from_iter(buf, len, from) != len)) {
733 if (unlikely(copy_from_user(&buf[len], iov[i].iov_base, 668 value = -EFAULT;
734 iov[i].iov_len) != 0)) { 669 goto out;
735 kfree(buf); 670 }
736 return -EFAULT; 671
672 if (unlikely(!configured)) {
673 value = ep_config(epdata, buf, len);
674 } else if (is_sync_kiocb(iocb)) {
675 value = ep_io(epdata, buf, len);
676 } else {
677 struct kiocb_priv *priv = kzalloc(sizeof *priv, GFP_KERNEL);
678 value = -ENOMEM;
679 if (priv) {
680 value = ep_aio(iocb, priv, epdata, buf, len);
681 if (value == -EIOCBQUEUED)
682 buf = NULL;
737 } 683 }
738 len += iov[i].iov_len;
739 } 684 }
740 return ep_aio_rwtail(iocb, buf, len, epdata, NULL, 0); 685out:
686 kfree(buf);
687 mutex_unlock(&epdata->lock);
688 return value;
741} 689}
742 690
743/*----------------------------------------------------------------------*/ 691/*----------------------------------------------------------------------*/
@@ -745,15 +693,15 @@ ep_aio_write(struct kiocb *iocb, const struct iovec *iov,
745/* used after endpoint configuration */ 693/* used after endpoint configuration */
746static const struct file_operations ep_io_operations = { 694static const struct file_operations ep_io_operations = {
747 .owner = THIS_MODULE, 695 .owner = THIS_MODULE,
748 .llseek = no_llseek,
749 696
750 .read = ep_read, 697 .open = ep_open,
751 .write = ep_write,
752 .unlocked_ioctl = ep_ioctl,
753 .release = ep_release, 698 .release = ep_release,
754 699 .llseek = no_llseek,
755 .aio_read = ep_aio_read, 700 .read = new_sync_read,
756 .aio_write = ep_aio_write, 701 .write = new_sync_write,
702 .unlocked_ioctl = ep_ioctl,
703 .read_iter = ep_read_iter,
704 .write_iter = ep_write_iter,
757}; 705};
758 706
759/* ENDPOINT INITIALIZATION 707/* ENDPOINT INITIALIZATION
@@ -770,17 +718,12 @@ static const struct file_operations ep_io_operations = {
770 * speed descriptor, then optional high speed descriptor. 718 * speed descriptor, then optional high speed descriptor.
771 */ 719 */
772static ssize_t 720static ssize_t
773ep_config (struct file *fd, const char __user *buf, size_t len, loff_t *ptr) 721ep_config (struct ep_data *data, const char *buf, size_t len)
774{ 722{
775 struct ep_data *data = fd->private_data;
776 struct usb_ep *ep; 723 struct usb_ep *ep;
777 u32 tag; 724 u32 tag;
778 int value, length = len; 725 int value, length = len;
779 726
780 value = mutex_lock_interruptible(&data->lock);
781 if (value < 0)
782 return value;
783
784 if (data->state != STATE_EP_READY) { 727 if (data->state != STATE_EP_READY) {
785 value = -EL2HLT; 728 value = -EL2HLT;
786 goto fail; 729 goto fail;
@@ -791,9 +734,7 @@ ep_config (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
791 goto fail0; 734 goto fail0;
792 735
793 /* we might need to change message format someday */ 736 /* we might need to change message format someday */
794 if (copy_from_user (&tag, buf, 4)) { 737 memcpy(&tag, buf, 4);
795 goto fail1;
796 }
797 if (tag != 1) { 738 if (tag != 1) {
798 DBG(data->dev, "config %s, bad tag %d\n", data->name, tag); 739 DBG(data->dev, "config %s, bad tag %d\n", data->name, tag);
799 goto fail0; 740 goto fail0;
@@ -806,19 +747,15 @@ ep_config (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
806 */ 747 */
807 748
808 /* full/low speed descriptor, then high speed */ 749 /* full/low speed descriptor, then high speed */
809 if (copy_from_user (&data->desc, buf, USB_DT_ENDPOINT_SIZE)) { 750 memcpy(&data->desc, buf, USB_DT_ENDPOINT_SIZE);
810 goto fail1;
811 }
812 if (data->desc.bLength != USB_DT_ENDPOINT_SIZE 751 if (data->desc.bLength != USB_DT_ENDPOINT_SIZE
813 || data->desc.bDescriptorType != USB_DT_ENDPOINT) 752 || data->desc.bDescriptorType != USB_DT_ENDPOINT)
814 goto fail0; 753 goto fail0;
815 if (len != USB_DT_ENDPOINT_SIZE) { 754 if (len != USB_DT_ENDPOINT_SIZE) {
816 if (len != 2 * USB_DT_ENDPOINT_SIZE) 755 if (len != 2 * USB_DT_ENDPOINT_SIZE)
817 goto fail0; 756 goto fail0;
818 if (copy_from_user (&data->hs_desc, buf + USB_DT_ENDPOINT_SIZE, 757 memcpy(&data->hs_desc, buf + USB_DT_ENDPOINT_SIZE,
819 USB_DT_ENDPOINT_SIZE)) { 758 USB_DT_ENDPOINT_SIZE);
820 goto fail1;
821 }
822 if (data->hs_desc.bLength != USB_DT_ENDPOINT_SIZE 759 if (data->hs_desc.bLength != USB_DT_ENDPOINT_SIZE
823 || data->hs_desc.bDescriptorType 760 || data->hs_desc.bDescriptorType
824 != USB_DT_ENDPOINT) { 761 != USB_DT_ENDPOINT) {
@@ -840,24 +777,20 @@ ep_config (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
840 case USB_SPEED_LOW: 777 case USB_SPEED_LOW:
841 case USB_SPEED_FULL: 778 case USB_SPEED_FULL:
842 ep->desc = &data->desc; 779 ep->desc = &data->desc;
843 value = usb_ep_enable(ep);
844 if (value == 0)
845 data->state = STATE_EP_ENABLED;
846 break; 780 break;
847 case USB_SPEED_HIGH: 781 case USB_SPEED_HIGH:
848 /* fails if caller didn't provide that descriptor... */ 782 /* fails if caller didn't provide that descriptor... */
849 ep->desc = &data->hs_desc; 783 ep->desc = &data->hs_desc;
850 value = usb_ep_enable(ep);
851 if (value == 0)
852 data->state = STATE_EP_ENABLED;
853 break; 784 break;
854 default: 785 default:
855 DBG(data->dev, "unconnected, %s init abandoned\n", 786 DBG(data->dev, "unconnected, %s init abandoned\n",
856 data->name); 787 data->name);
857 value = -EINVAL; 788 value = -EINVAL;
789 goto gone;
858 } 790 }
791 value = usb_ep_enable(ep);
859 if (value == 0) { 792 if (value == 0) {
860 fd->f_op = &ep_io_operations; 793 data->state = STATE_EP_ENABLED;
861 value = length; 794 value = length;
862 } 795 }
863gone: 796gone:
@@ -867,14 +800,10 @@ fail:
867 data->desc.bDescriptorType = 0; 800 data->desc.bDescriptorType = 0;
868 data->hs_desc.bDescriptorType = 0; 801 data->hs_desc.bDescriptorType = 0;
869 } 802 }
870 mutex_unlock(&data->lock);
871 return value; 803 return value;
872fail0: 804fail0:
873 value = -EINVAL; 805 value = -EINVAL;
874 goto fail; 806 goto fail;
875fail1:
876 value = -EFAULT;
877 goto fail;
878} 807}
879 808
880static int 809static int
@@ -902,15 +831,6 @@ ep_open (struct inode *inode, struct file *fd)
902 return value; 831 return value;
903} 832}
904 833
905/* used before endpoint configuration */
906static const struct file_operations ep_config_operations = {
907 .llseek = no_llseek,
908
909 .open = ep_open,
910 .write = ep_config,
911 .release = ep_release,
912};
913
914/*----------------------------------------------------------------------*/ 834/*----------------------------------------------------------------------*/
915 835
916/* EP0 IMPLEMENTATION can be partly in userspace. 836/* EP0 IMPLEMENTATION can be partly in userspace.
@@ -989,6 +909,10 @@ ep0_read (struct file *fd, char __user *buf, size_t len, loff_t *ptr)
989 enum ep0_state state; 909 enum ep0_state state;
990 910
991 spin_lock_irq (&dev->lock); 911 spin_lock_irq (&dev->lock);
912 if (dev->state <= STATE_DEV_OPENED) {
913 retval = -EINVAL;
914 goto done;
915 }
992 916
993 /* report fd mode change before acting on it */ 917 /* report fd mode change before acting on it */
994 if (dev->setup_abort) { 918 if (dev->setup_abort) {
@@ -1187,8 +1111,6 @@ ep0_write (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
1187 struct dev_data *dev = fd->private_data; 1111 struct dev_data *dev = fd->private_data;
1188 ssize_t retval = -ESRCH; 1112 ssize_t retval = -ESRCH;
1189 1113
1190 spin_lock_irq (&dev->lock);
1191
1192 /* report fd mode change before acting on it */ 1114 /* report fd mode change before acting on it */
1193 if (dev->setup_abort) { 1115 if (dev->setup_abort) {
1194 dev->setup_abort = 0; 1116 dev->setup_abort = 0;
@@ -1234,7 +1156,6 @@ ep0_write (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
1234 } else 1156 } else
1235 DBG (dev, "fail %s, state %d\n", __func__, dev->state); 1157 DBG (dev, "fail %s, state %d\n", __func__, dev->state);
1236 1158
1237 spin_unlock_irq (&dev->lock);
1238 return retval; 1159 return retval;
1239} 1160}
1240 1161
@@ -1281,6 +1202,9 @@ ep0_poll (struct file *fd, poll_table *wait)
1281 struct dev_data *dev = fd->private_data; 1202 struct dev_data *dev = fd->private_data;
1282 int mask = 0; 1203 int mask = 0;
1283 1204
1205 if (dev->state <= STATE_DEV_OPENED)
1206 return DEFAULT_POLLMASK;
1207
1284 poll_wait(fd, &dev->wait, wait); 1208 poll_wait(fd, &dev->wait, wait);
1285 1209
1286 spin_lock_irq (&dev->lock); 1210 spin_lock_irq (&dev->lock);
@@ -1316,19 +1240,6 @@ static long dev_ioctl (struct file *fd, unsigned code, unsigned long value)
1316 return ret; 1240 return ret;
1317} 1241}
1318 1242
1319/* used after device configuration */
1320static const struct file_operations ep0_io_operations = {
1321 .owner = THIS_MODULE,
1322 .llseek = no_llseek,
1323
1324 .read = ep0_read,
1325 .write = ep0_write,
1326 .fasync = ep0_fasync,
1327 .poll = ep0_poll,
1328 .unlocked_ioctl = dev_ioctl,
1329 .release = dev_release,
1330};
1331
1332/*----------------------------------------------------------------------*/ 1243/*----------------------------------------------------------------------*/
1333 1244
1334/* The in-kernel gadget driver handles most ep0 issues, in particular 1245/* The in-kernel gadget driver handles most ep0 issues, in particular
@@ -1650,7 +1561,7 @@ static int activate_ep_files (struct dev_data *dev)
1650 goto enomem1; 1561 goto enomem1;
1651 1562
1652 data->dentry = gadgetfs_create_file (dev->sb, data->name, 1563 data->dentry = gadgetfs_create_file (dev->sb, data->name,
1653 data, &ep_config_operations); 1564 data, &ep_io_operations);
1654 if (!data->dentry) 1565 if (!data->dentry)
1655 goto enomem2; 1566 goto enomem2;
1656 list_add_tail (&data->epfiles, &dev->epfiles); 1567 list_add_tail (&data->epfiles, &dev->epfiles);
@@ -1852,6 +1763,14 @@ dev_config (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
1852 u32 tag; 1763 u32 tag;
1853 char *kbuf; 1764 char *kbuf;
1854 1765
1766 spin_lock_irq(&dev->lock);
1767 if (dev->state > STATE_DEV_OPENED) {
1768 value = ep0_write(fd, buf, len, ptr);
1769 spin_unlock_irq(&dev->lock);
1770 return value;
1771 }
1772 spin_unlock_irq(&dev->lock);
1773
1855 if (len < (USB_DT_CONFIG_SIZE + USB_DT_DEVICE_SIZE + 4)) 1774 if (len < (USB_DT_CONFIG_SIZE + USB_DT_DEVICE_SIZE + 4))
1856 return -EINVAL; 1775 return -EINVAL;
1857 1776
@@ -1925,7 +1844,6 @@ dev_config (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
1925 * on, they can work ... except in cleanup paths that 1844 * on, they can work ... except in cleanup paths that
1926 * kick in after the ep0 descriptor is closed. 1845 * kick in after the ep0 descriptor is closed.
1927 */ 1846 */
1928 fd->f_op = &ep0_io_operations;
1929 value = len; 1847 value = len;
1930 } 1848 }
1931 return value; 1849 return value;
@@ -1956,12 +1874,14 @@ dev_open (struct inode *inode, struct file *fd)
1956 return value; 1874 return value;
1957} 1875}
1958 1876
1959static const struct file_operations dev_init_operations = { 1877static const struct file_operations ep0_operations = {
1960 .llseek = no_llseek, 1878 .llseek = no_llseek,
1961 1879
1962 .open = dev_open, 1880 .open = dev_open,
1881 .read = ep0_read,
1963 .write = dev_config, 1882 .write = dev_config,
1964 .fasync = ep0_fasync, 1883 .fasync = ep0_fasync,
1884 .poll = ep0_poll,
1965 .unlocked_ioctl = dev_ioctl, 1885 .unlocked_ioctl = dev_ioctl,
1966 .release = dev_release, 1886 .release = dev_release,
1967}; 1887};
@@ -2077,7 +1997,7 @@ gadgetfs_fill_super (struct super_block *sb, void *opts, int silent)
2077 goto Enomem; 1997 goto Enomem;
2078 1998
2079 dev->sb = sb; 1999 dev->sb = sb;
2080 dev->dentry = gadgetfs_create_file(sb, CHIP, dev, &dev_init_operations); 2000 dev->dentry = gadgetfs_create_file(sb, CHIP, dev, &ep0_operations);
2081 if (!dev->dentry) { 2001 if (!dev->dentry) {
2082 put_dev(dev); 2002 put_dev(dev);
2083 goto Enomem; 2003 goto Enomem;
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 7f76c8a12f89..fd53c9ebd662 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -37,6 +37,9 @@
37 37
38#define PCI_DEVICE_ID_INTEL_LYNXPOINT_XHCI 0x8c31 38#define PCI_DEVICE_ID_INTEL_LYNXPOINT_XHCI 0x8c31
39#define PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI 0x9c31 39#define PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI 0x9c31
40#define PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI 0x22b5
41#define PCI_DEVICE_ID_INTEL_SUNRISEPOINT_H_XHCI 0xa12f
42#define PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_XHCI 0x9d2f
40 43
41static const char hcd_name[] = "xhci_hcd"; 44static const char hcd_name[] = "xhci_hcd";
42 45
@@ -133,6 +136,12 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
133 pdev->device == PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI) { 136 pdev->device == PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI) {
134 xhci->quirks |= XHCI_SPURIOUS_REBOOT; 137 xhci->quirks |= XHCI_SPURIOUS_REBOOT;
135 } 138 }
139 if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
140 (pdev->device == PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_XHCI ||
141 pdev->device == PCI_DEVICE_ID_INTEL_SUNRISEPOINT_H_XHCI ||
142 pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI)) {
143 xhci->quirks |= XHCI_PME_STUCK_QUIRK;
144 }
136 if (pdev->vendor == PCI_VENDOR_ID_ETRON && 145 if (pdev->vendor == PCI_VENDOR_ID_ETRON &&
137 pdev->device == PCI_DEVICE_ID_EJ168) { 146 pdev->device == PCI_DEVICE_ID_EJ168) {
138 xhci->quirks |= XHCI_RESET_ON_RESUME; 147 xhci->quirks |= XHCI_RESET_ON_RESUME;
@@ -159,6 +168,21 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
159 "QUIRK: Resetting on resume"); 168 "QUIRK: Resetting on resume");
160} 169}
161 170
171/*
172 * Make sure PME works on some Intel xHCI controllers by writing 1 to clear
173 * the Internal PME flag bit in vendor specific PMCTRL register at offset 0x80a4
174 */
175static void xhci_pme_quirk(struct xhci_hcd *xhci)
176{
177 u32 val;
178 void __iomem *reg;
179
180 reg = (void __iomem *) xhci->cap_regs + 0x80a4;
181 val = readl(reg);
182 writel(val | BIT(28), reg);
183 readl(reg);
184}
185
162/* called during probe() after chip reset completes */ 186/* called during probe() after chip reset completes */
163static int xhci_pci_setup(struct usb_hcd *hcd) 187static int xhci_pci_setup(struct usb_hcd *hcd)
164{ 188{
@@ -283,6 +307,9 @@ static int xhci_pci_suspend(struct usb_hcd *hcd, bool do_wakeup)
283 if (xhci->quirks & XHCI_COMP_MODE_QUIRK) 307 if (xhci->quirks & XHCI_COMP_MODE_QUIRK)
284 pdev->no_d3cold = true; 308 pdev->no_d3cold = true;
285 309
310 if (xhci->quirks & XHCI_PME_STUCK_QUIRK)
311 xhci_pme_quirk(xhci);
312
286 return xhci_suspend(xhci, do_wakeup); 313 return xhci_suspend(xhci, do_wakeup);
287} 314}
288 315
@@ -313,6 +340,9 @@ static int xhci_pci_resume(struct usb_hcd *hcd, bool hibernated)
313 if (pdev->vendor == PCI_VENDOR_ID_INTEL) 340 if (pdev->vendor == PCI_VENDOR_ID_INTEL)
314 usb_enable_intel_xhci_ports(pdev); 341 usb_enable_intel_xhci_ports(pdev);
315 342
343 if (xhci->quirks & XHCI_PME_STUCK_QUIRK)
344 xhci_pme_quirk(xhci);
345
316 retval = xhci_resume(xhci, hibernated); 346 retval = xhci_resume(xhci, hibernated);
317 return retval; 347 return retval;
318} 348}
diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index 08d402b15482..0e11d61408ff 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -83,16 +83,6 @@ static int xhci_plat_probe(struct platform_device *pdev)
83 if (irq < 0) 83 if (irq < 0)
84 return -ENODEV; 84 return -ENODEV;
85 85
86
87 if (of_device_is_compatible(pdev->dev.of_node,
88 "marvell,armada-375-xhci") ||
89 of_device_is_compatible(pdev->dev.of_node,
90 "marvell,armada-380-xhci")) {
91 ret = xhci_mvebu_mbus_init_quirk(pdev);
92 if (ret)
93 return ret;
94 }
95
96 /* Initialize dma_mask and coherent_dma_mask to 32-bits */ 86 /* Initialize dma_mask and coherent_dma_mask to 32-bits */
97 ret = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32)); 87 ret = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
98 if (ret) 88 if (ret)
@@ -127,6 +117,15 @@ static int xhci_plat_probe(struct platform_device *pdev)
127 goto put_hcd; 117 goto put_hcd;
128 } 118 }
129 119
120 if (of_device_is_compatible(pdev->dev.of_node,
121 "marvell,armada-375-xhci") ||
122 of_device_is_compatible(pdev->dev.of_node,
123 "marvell,armada-380-xhci")) {
124 ret = xhci_mvebu_mbus_init_quirk(pdev);
125 if (ret)
126 goto disable_clk;
127 }
128
130 ret = usb_add_hcd(hcd, irq, IRQF_SHARED); 129 ret = usb_add_hcd(hcd, irq, IRQF_SHARED);
131 if (ret) 130 if (ret)
132 goto disable_clk; 131 goto disable_clk;
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 88da8d629820..5fb66db89e05 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -1729,7 +1729,7 @@ static void xhci_cleanup_halted_endpoint(struct xhci_hcd *xhci,
1729 if (!command) 1729 if (!command)
1730 return; 1730 return;
1731 1731
1732 ep->ep_state |= EP_HALTED; 1732 ep->ep_state |= EP_HALTED | EP_RECENTLY_HALTED;
1733 ep->stopped_stream = stream_id; 1733 ep->stopped_stream = stream_id;
1734 1734
1735 xhci_queue_reset_ep(xhci, command, slot_id, ep_index); 1735 xhci_queue_reset_ep(xhci, command, slot_id, ep_index);
@@ -1946,7 +1946,7 @@ static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td,
1946 if (event_trb != ep_ring->dequeue) { 1946 if (event_trb != ep_ring->dequeue) {
1947 /* The event was for the status stage */ 1947 /* The event was for the status stage */
1948 if (event_trb == td->last_trb) { 1948 if (event_trb == td->last_trb) {
1949 if (td->urb->actual_length != 0) { 1949 if (td->urb_length_set) {
1950 /* Don't overwrite a previously set error code 1950 /* Don't overwrite a previously set error code
1951 */ 1951 */
1952 if ((*status == -EINPROGRESS || *status == 0) && 1952 if ((*status == -EINPROGRESS || *status == 0) &&
@@ -1960,7 +1960,13 @@ static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td,
1960 td->urb->transfer_buffer_length; 1960 td->urb->transfer_buffer_length;
1961 } 1961 }
1962 } else { 1962 } else {
1963 /* Maybe the event was for the data stage? */ 1963 /*
1964 * Maybe the event was for the data stage? If so, update
1965 * already the actual_length of the URB and flag it as
1966 * set, so that it is not overwritten in the event for
1967 * the last TRB.
1968 */
1969 td->urb_length_set = true;
1964 td->urb->actual_length = 1970 td->urb->actual_length =
1965 td->urb->transfer_buffer_length - 1971 td->urb->transfer_buffer_length -
1966 EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)); 1972 EVENT_TRB_LEN(le32_to_cpu(event->transfer_len));
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index ec8ac1674854..b06d1a53652d 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -1338,6 +1338,12 @@ int xhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flags)
1338 goto exit; 1338 goto exit;
1339 } 1339 }
1340 1340
1341 /* Reject urb if endpoint is in soft reset, queue must stay empty */
1342 if (xhci->devs[slot_id]->eps[ep_index].ep_state & EP_CONFIG_PENDING) {
1343 xhci_warn(xhci, "Can't enqueue URB while ep is in soft reset\n");
1344 ret = -EINVAL;
1345 }
1346
1341 if (usb_endpoint_xfer_isoc(&urb->ep->desc)) 1347 if (usb_endpoint_xfer_isoc(&urb->ep->desc))
1342 size = urb->number_of_packets; 1348 size = urb->number_of_packets;
1343 else 1349 else
@@ -2948,23 +2954,36 @@ void xhci_cleanup_stalled_ring(struct xhci_hcd *xhci,
2948 } 2954 }
2949} 2955}
2950 2956
2951/* Called when clearing halted device. The core should have sent the control 2957/* Called after clearing a halted device. USB core should have sent the control
2952 * message to clear the device halt condition. The host side of the halt should 2958 * message to clear the device halt condition. The host side of the halt should
2953 * already be cleared with a reset endpoint command issued when the STALL tx 2959 * already be cleared with a reset endpoint command issued immediately when the
2954 * event was received. 2960 * STALL tx event was received.
2955 *
2956 * Context: in_interrupt
2957 */ 2961 */
2958 2962
2959void xhci_endpoint_reset(struct usb_hcd *hcd, 2963void xhci_endpoint_reset(struct usb_hcd *hcd,
2960 struct usb_host_endpoint *ep) 2964 struct usb_host_endpoint *ep)
2961{ 2965{
2962 struct xhci_hcd *xhci; 2966 struct xhci_hcd *xhci;
2967 struct usb_device *udev;
2968 struct xhci_virt_device *virt_dev;
2969 struct xhci_virt_ep *virt_ep;
2970 struct xhci_input_control_ctx *ctrl_ctx;
2971 struct xhci_command *command;
2972 unsigned int ep_index, ep_state;
2973 unsigned long flags;
2974 u32 ep_flag;
2963 2975
2964 xhci = hcd_to_xhci(hcd); 2976 xhci = hcd_to_xhci(hcd);
2977 udev = (struct usb_device *) ep->hcpriv;
2978 if (!ep->hcpriv)
2979 return;
2980 virt_dev = xhci->devs[udev->slot_id];
2981 ep_index = xhci_get_endpoint_index(&ep->desc);
2982 virt_ep = &virt_dev->eps[ep_index];
2983 ep_state = virt_ep->ep_state;
2965 2984
2966 /* 2985 /*
2967 * We might need to implement the config ep cmd in xhci 4.8.1 note: 2986 * Implement the config ep command in xhci 4.6.8 additional note:
2968 * The Reset Endpoint Command may only be issued to endpoints in the 2987 * The Reset Endpoint Command may only be issued to endpoints in the
2969 * Halted state. If software wishes reset the Data Toggle or Sequence 2988 * Halted state. If software wishes reset the Data Toggle or Sequence
2970 * Number of an endpoint that isn't in the Halted state, then software 2989 * Number of an endpoint that isn't in the Halted state, then software
@@ -2972,9 +2991,72 @@ void xhci_endpoint_reset(struct usb_hcd *hcd,
2972 * for the target endpoint. that is in the Stopped state. 2991 * for the target endpoint. that is in the Stopped state.
2973 */ 2992 */
2974 2993
2975 /* For now just print debug to follow the situation */ 2994 if (ep_state & SET_DEQ_PENDING || ep_state & EP_RECENTLY_HALTED) {
2976 xhci_dbg(xhci, "Endpoint 0x%x ep reset callback called\n", 2995 virt_ep->ep_state &= ~EP_RECENTLY_HALTED;
2977 ep->desc.bEndpointAddress); 2996 xhci_dbg(xhci, "ep recently halted, no toggle reset needed\n");
2997 return;
2998 }
2999
3000 /* Only interrupt and bulk ep's use Data toggle, USB2 spec 5.5.4-> */
3001 if (usb_endpoint_xfer_control(&ep->desc) ||
3002 usb_endpoint_xfer_isoc(&ep->desc))
3003 return;
3004
3005 ep_flag = xhci_get_endpoint_flag(&ep->desc);
3006
3007 if (ep_flag == SLOT_FLAG || ep_flag == EP0_FLAG)
3008 return;
3009
3010 command = xhci_alloc_command(xhci, true, true, GFP_NOWAIT);
3011 if (!command) {
3012 xhci_err(xhci, "Could not allocate xHCI command structure.\n");
3013 return;
3014 }
3015
3016 spin_lock_irqsave(&xhci->lock, flags);
3017
3018 /* block ringing ep doorbell */
3019 virt_ep->ep_state |= EP_CONFIG_PENDING;
3020
3021 /*
3022 * Make sure endpoint ring is empty before resetting the toggle/seq.
3023 * Driver is required to synchronously cancel all transfer request.
3024 *
3025 * xhci 4.6.6 says we can issue a configure endpoint command on a
3026 * running endpoint ring as long as it's idle (queue empty)
3027 */
3028
3029 if (!list_empty(&virt_ep->ring->td_list)) {
3030 dev_err(&udev->dev, "EP not empty, refuse reset\n");
3031 spin_unlock_irqrestore(&xhci->lock, flags);
3032 goto cleanup;
3033 }
3034
3035 xhci_dbg(xhci, "Reset toggle/seq for slot %d, ep_index: %d\n",
3036 udev->slot_id, ep_index);
3037
3038 ctrl_ctx = xhci_get_input_control_ctx(command->in_ctx);
3039 if (!ctrl_ctx) {
3040 xhci_err(xhci, "Could not get input context, bad type. virt_dev: %p, in_ctx %p\n",
3041 virt_dev, virt_dev->in_ctx);
3042 spin_unlock_irqrestore(&xhci->lock, flags);
3043 goto cleanup;
3044 }
3045 xhci_setup_input_ctx_for_config_ep(xhci, command->in_ctx,
3046 virt_dev->out_ctx, ctrl_ctx,
3047 ep_flag, ep_flag);
3048 xhci_endpoint_copy(xhci, command->in_ctx, virt_dev->out_ctx, ep_index);
3049
3050 xhci_queue_configure_endpoint(xhci, command, command->in_ctx->dma,
3051 udev->slot_id, false);
3052 xhci_ring_cmd_db(xhci);
3053 spin_unlock_irqrestore(&xhci->lock, flags);
3054
3055 wait_for_completion(command->completion);
3056
3057cleanup:
3058 virt_ep->ep_state &= ~EP_CONFIG_PENDING;
3059 xhci_free_command(xhci, command);
2978} 3060}
2979 3061
2980static int xhci_check_streams_endpoint(struct xhci_hcd *xhci, 3062static int xhci_check_streams_endpoint(struct xhci_hcd *xhci,
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 974514762a14..265ab1771d24 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1,3 +1,4 @@
1
1/* 2/*
2 * xHCI host controller driver 3 * xHCI host controller driver
3 * 4 *
@@ -88,9 +89,10 @@ struct xhci_cap_regs {
88#define HCS_IST(p) (((p) >> 0) & 0xf) 89#define HCS_IST(p) (((p) >> 0) & 0xf)
89/* bits 4:7, max number of Event Ring segments */ 90/* bits 4:7, max number of Event Ring segments */
90#define HCS_ERST_MAX(p) (((p) >> 4) & 0xf) 91#define HCS_ERST_MAX(p) (((p) >> 4) & 0xf)
92/* bits 21:25 Hi 5 bits of Scratchpad buffers SW must allocate for the HW */
91/* bit 26 Scratchpad restore - for save/restore HW state - not used yet */ 93/* bit 26 Scratchpad restore - for save/restore HW state - not used yet */
92/* bits 27:31 number of Scratchpad buffers SW must allocate for the HW */ 94/* bits 27:31 Lo 5 bits of Scratchpad buffers SW must allocate for the HW */
93#define HCS_MAX_SCRATCHPAD(p) (((p) >> 27) & 0x1f) 95#define HCS_MAX_SCRATCHPAD(p) ((((p) >> 16) & 0x3e0) | (((p) >> 27) & 0x1f))
94 96
95/* HCSPARAMS3 - hcs_params3 - bitmasks */ 97/* HCSPARAMS3 - hcs_params3 - bitmasks */
96/* bits 0:7, Max U1 to U0 latency for the roothub ports */ 98/* bits 0:7, Max U1 to U0 latency for the roothub ports */
@@ -863,6 +865,8 @@ struct xhci_virt_ep {
863#define EP_HAS_STREAMS (1 << 4) 865#define EP_HAS_STREAMS (1 << 4)
864/* Transitioning the endpoint to not using streams, don't enqueue URBs */ 866/* Transitioning the endpoint to not using streams, don't enqueue URBs */
865#define EP_GETTING_NO_STREAMS (1 << 5) 867#define EP_GETTING_NO_STREAMS (1 << 5)
868#define EP_RECENTLY_HALTED (1 << 6)
869#define EP_CONFIG_PENDING (1 << 7)
866 /* ---- Related to URB cancellation ---- */ 870 /* ---- Related to URB cancellation ---- */
867 struct list_head cancelled_td_list; 871 struct list_head cancelled_td_list;
868 struct xhci_td *stopped_td; 872 struct xhci_td *stopped_td;
@@ -1288,6 +1292,8 @@ struct xhci_td {
1288 struct xhci_segment *start_seg; 1292 struct xhci_segment *start_seg;
1289 union xhci_trb *first_trb; 1293 union xhci_trb *first_trb;
1290 union xhci_trb *last_trb; 1294 union xhci_trb *last_trb;
1295 /* actual_length of the URB has already been set */
1296 bool urb_length_set;
1291}; 1297};
1292 1298
1293/* xHCI command default timeout value */ 1299/* xHCI command default timeout value */
@@ -1560,6 +1566,7 @@ struct xhci_hcd {
1560#define XHCI_SPURIOUS_WAKEUP (1 << 18) 1566#define XHCI_SPURIOUS_WAKEUP (1 << 18)
1561/* For controllers with a broken beyond repair streams implementation */ 1567/* For controllers with a broken beyond repair streams implementation */
1562#define XHCI_BROKEN_STREAMS (1 << 19) 1568#define XHCI_BROKEN_STREAMS (1 << 19)
1569#define XHCI_PME_STUCK_QUIRK (1 << 20)
1563 unsigned int num_active_eps; 1570 unsigned int num_active_eps;
1564 unsigned int limit_active_eps; 1571 unsigned int limit_active_eps;
1565 /* There are two roothubs to keep track of bus suspend info for */ 1572 /* There are two roothubs to keep track of bus suspend info for */
diff --git a/drivers/usb/isp1760/isp1760-hcd.c b/drivers/usb/isp1760/isp1760-hcd.c
index eba9b82e2d70..3cb98b1d5d29 100644
--- a/drivers/usb/isp1760/isp1760-hcd.c
+++ b/drivers/usb/isp1760/isp1760-hcd.c
@@ -1274,7 +1274,7 @@ static void errata2_function(unsigned long data)
1274 for (slot = 0; slot < 32; slot++) 1274 for (slot = 0; slot < 32; slot++)
1275 if (priv->atl_slots[slot].qh && time_after(jiffies, 1275 if (priv->atl_slots[slot].qh && time_after(jiffies,
1276 priv->atl_slots[slot].timestamp + 1276 priv->atl_slots[slot].timestamp +
1277 SLOT_TIMEOUT * HZ / 1000)) { 1277 msecs_to_jiffies(SLOT_TIMEOUT))) {
1278 ptd_read(hcd->regs, ATL_PTD_OFFSET, slot, &ptd); 1278 ptd_read(hcd->regs, ATL_PTD_OFFSET, slot, &ptd);
1279 if (!FROM_DW0_VALID(ptd.dw0) && 1279 if (!FROM_DW0_VALID(ptd.dw0) &&
1280 !FROM_DW3_ACTIVE(ptd.dw3)) 1280 !FROM_DW3_ACTIVE(ptd.dw3))
@@ -1286,7 +1286,7 @@ static void errata2_function(unsigned long data)
1286 1286
1287 spin_unlock_irqrestore(&priv->lock, spinflags); 1287 spin_unlock_irqrestore(&priv->lock, spinflags);
1288 1288
1289 errata2_timer.expires = jiffies + SLOT_CHECK_PERIOD * HZ / 1000; 1289 errata2_timer.expires = jiffies + msecs_to_jiffies(SLOT_CHECK_PERIOD);
1290 add_timer(&errata2_timer); 1290 add_timer(&errata2_timer);
1291} 1291}
1292 1292
@@ -1336,7 +1336,7 @@ static int isp1760_run(struct usb_hcd *hcd)
1336 return retval; 1336 return retval;
1337 1337
1338 setup_timer(&errata2_timer, errata2_function, (unsigned long)hcd); 1338 setup_timer(&errata2_timer, errata2_function, (unsigned long)hcd);
1339 errata2_timer.expires = jiffies + SLOT_CHECK_PERIOD * HZ / 1000; 1339 errata2_timer.expires = jiffies + msecs_to_jiffies(SLOT_CHECK_PERIOD);
1340 add_timer(&errata2_timer); 1340 add_timer(&errata2_timer);
1341 1341
1342 chipid = reg_read32(hcd->regs, HC_CHIP_ID_REG); 1342 chipid = reg_read32(hcd->regs, HC_CHIP_ID_REG);
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index e6f4cbfeed97..067920f2d570 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -1969,10 +1969,6 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl)
1969 goto fail0; 1969 goto fail0;
1970 } 1970 }
1971 1971
1972 pm_runtime_use_autosuspend(musb->controller);
1973 pm_runtime_set_autosuspend_delay(musb->controller, 200);
1974 pm_runtime_enable(musb->controller);
1975
1976 spin_lock_init(&musb->lock); 1972 spin_lock_init(&musb->lock);
1977 musb->board_set_power = plat->set_power; 1973 musb->board_set_power = plat->set_power;
1978 musb->min_power = plat->min_power; 1974 musb->min_power = plat->min_power;
@@ -1991,6 +1987,12 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl)
1991 musb_readl = musb_default_readl; 1987 musb_readl = musb_default_readl;
1992 musb_writel = musb_default_writel; 1988 musb_writel = musb_default_writel;
1993 1989
1990 /* We need musb_read/write functions initialized for PM */
1991 pm_runtime_use_autosuspend(musb->controller);
1992 pm_runtime_set_autosuspend_delay(musb->controller, 200);
1993 pm_runtime_irq_safe(musb->controller);
1994 pm_runtime_enable(musb->controller);
1995
1994 /* The musb_platform_init() call: 1996 /* The musb_platform_init() call:
1995 * - adjusts musb->mregs 1997 * - adjusts musb->mregs
1996 * - sets the musb->isr 1998 * - sets the musb->isr
diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c
index 53bd0e71d19f..a900c9877195 100644
--- a/drivers/usb/musb/musb_dsps.c
+++ b/drivers/usb/musb/musb_dsps.c
@@ -457,12 +457,27 @@ static int dsps_musb_init(struct musb *musb)
457 if (IS_ERR(musb->xceiv)) 457 if (IS_ERR(musb->xceiv))
458 return PTR_ERR(musb->xceiv); 458 return PTR_ERR(musb->xceiv);
459 459
460 musb->phy = devm_phy_get(dev->parent, "usb2-phy");
461
460 /* Returns zero if e.g. not clocked */ 462 /* Returns zero if e.g. not clocked */
461 rev = dsps_readl(reg_base, wrp->revision); 463 rev = dsps_readl(reg_base, wrp->revision);
462 if (!rev) 464 if (!rev)
463 return -ENODEV; 465 return -ENODEV;
464 466
465 usb_phy_init(musb->xceiv); 467 usb_phy_init(musb->xceiv);
468 if (IS_ERR(musb->phy)) {
469 musb->phy = NULL;
470 } else {
471 ret = phy_init(musb->phy);
472 if (ret < 0)
473 return ret;
474 ret = phy_power_on(musb->phy);
475 if (ret) {
476 phy_exit(musb->phy);
477 return ret;
478 }
479 }
480
466 setup_timer(&glue->timer, otg_timer, (unsigned long) musb); 481 setup_timer(&glue->timer, otg_timer, (unsigned long) musb);
467 482
468 /* Reset the musb */ 483 /* Reset the musb */
@@ -502,6 +517,8 @@ static int dsps_musb_exit(struct musb *musb)
502 517
503 del_timer_sync(&glue->timer); 518 del_timer_sync(&glue->timer);
504 usb_phy_shutdown(musb->xceiv); 519 usb_phy_shutdown(musb->xceiv);
520 phy_power_off(musb->phy);
521 phy_exit(musb->phy);
505 debugfs_remove_recursive(glue->dbgfs_root); 522 debugfs_remove_recursive(glue->dbgfs_root);
506 523
507 return 0; 524 return 0;
@@ -610,7 +627,7 @@ static int dsps_musb_reset(struct musb *musb)
610 struct device *dev = musb->controller; 627 struct device *dev = musb->controller;
611 struct dsps_glue *glue = dev_get_drvdata(dev->parent); 628 struct dsps_glue *glue = dev_get_drvdata(dev->parent);
612 const struct dsps_musb_wrapper *wrp = glue->wrp; 629 const struct dsps_musb_wrapper *wrp = glue->wrp;
613 int session_restart = 0; 630 int session_restart = 0, error;
614 631
615 if (glue->sw_babble_enabled) 632 if (glue->sw_babble_enabled)
616 session_restart = sw_babble_control(musb); 633 session_restart = sw_babble_control(musb);
@@ -624,8 +641,14 @@ static int dsps_musb_reset(struct musb *musb)
624 dsps_writel(musb->ctrl_base, wrp->control, (1 << wrp->reset)); 641 dsps_writel(musb->ctrl_base, wrp->control, (1 << wrp->reset));
625 usleep_range(100, 200); 642 usleep_range(100, 200);
626 usb_phy_shutdown(musb->xceiv); 643 usb_phy_shutdown(musb->xceiv);
644 error = phy_power_off(musb->phy);
645 if (error)
646 dev_err(dev, "phy shutdown failed: %i\n", error);
627 usleep_range(100, 200); 647 usleep_range(100, 200);
628 usb_phy_init(musb->xceiv); 648 usb_phy_init(musb->xceiv);
649 error = phy_power_on(musb->phy);
650 if (error)
651 dev_err(dev, "phy powerup failed: %i\n", error);
629 session_restart = 1; 652 session_restart = 1;
630 } 653 }
631 654
@@ -687,7 +710,7 @@ static int dsps_create_musb_pdev(struct dsps_glue *glue,
687 struct musb_hdrc_config *config; 710 struct musb_hdrc_config *config;
688 struct platform_device *musb; 711 struct platform_device *musb;
689 struct device_node *dn = parent->dev.of_node; 712 struct device_node *dn = parent->dev.of_node;
690 int ret; 713 int ret, val;
691 714
692 memset(resources, 0, sizeof(resources)); 715 memset(resources, 0, sizeof(resources));
693 res = platform_get_resource_byname(parent, IORESOURCE_MEM, "mc"); 716 res = platform_get_resource_byname(parent, IORESOURCE_MEM, "mc");
@@ -739,7 +762,10 @@ static int dsps_create_musb_pdev(struct dsps_glue *glue,
739 pdata.mode = get_musb_port_mode(dev); 762 pdata.mode = get_musb_port_mode(dev);
740 /* DT keeps this entry in mA, musb expects it as per USB spec */ 763 /* DT keeps this entry in mA, musb expects it as per USB spec */
741 pdata.power = get_int_prop(dn, "mentor,power") / 2; 764 pdata.power = get_int_prop(dn, "mentor,power") / 2;
742 config->multipoint = of_property_read_bool(dn, "mentor,multipoint"); 765
766 ret = of_property_read_u32(dn, "mentor,multipoint", &val);
767 if (!ret && val)
768 config->multipoint = true;
743 769
744 ret = platform_device_add_data(musb, &pdata, sizeof(pdata)); 770 ret = platform_device_add_data(musb, &pdata, sizeof(pdata));
745 if (ret) { 771 if (ret) {
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index 883a9adfdfff..c3d5fc9dfb5b 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -2613,7 +2613,7 @@ static const struct hc_driver musb_hc_driver = {
2613 .description = "musb-hcd", 2613 .description = "musb-hcd",
2614 .product_desc = "MUSB HDRC host driver", 2614 .product_desc = "MUSB HDRC host driver",
2615 .hcd_priv_size = sizeof(struct musb *), 2615 .hcd_priv_size = sizeof(struct musb *),
2616 .flags = HCD_USB2 | HCD_MEMORY, 2616 .flags = HCD_USB2 | HCD_MEMORY | HCD_BH,
2617 2617
2618 /* not using irq handler or reset hooks from usbcore, since 2618 /* not using irq handler or reset hooks from usbcore, since
2619 * those must be shared with peripheral code for OTG configs 2619 * those must be shared with peripheral code for OTG configs
diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c
index 763649eb4987..cc752d8c7773 100644
--- a/drivers/usb/musb/omap2430.c
+++ b/drivers/usb/musb/omap2430.c
@@ -516,7 +516,7 @@ static int omap2430_probe(struct platform_device *pdev)
516 struct omap2430_glue *glue; 516 struct omap2430_glue *glue;
517 struct device_node *np = pdev->dev.of_node; 517 struct device_node *np = pdev->dev.of_node;
518 struct musb_hdrc_config *config; 518 struct musb_hdrc_config *config;
519 int ret = -ENOMEM; 519 int ret = -ENOMEM, val;
520 520
521 glue = devm_kzalloc(&pdev->dev, sizeof(*glue), GFP_KERNEL); 521 glue = devm_kzalloc(&pdev->dev, sizeof(*glue), GFP_KERNEL);
522 if (!glue) 522 if (!glue)
@@ -559,7 +559,10 @@ static int omap2430_probe(struct platform_device *pdev)
559 of_property_read_u32(np, "num-eps", (u32 *)&config->num_eps); 559 of_property_read_u32(np, "num-eps", (u32 *)&config->num_eps);
560 of_property_read_u32(np, "ram-bits", (u32 *)&config->ram_bits); 560 of_property_read_u32(np, "ram-bits", (u32 *)&config->ram_bits);
561 of_property_read_u32(np, "power", (u32 *)&pdata->power); 561 of_property_read_u32(np, "power", (u32 *)&pdata->power);
562 config->multipoint = of_property_read_bool(np, "multipoint"); 562
563 ret = of_property_read_u32(np, "multipoint", &val);
564 if (!ret && val)
565 config->multipoint = true;
563 566
564 pdata->board_data = data; 567 pdata->board_data = data;
565 pdata->config = config; 568 pdata->config = config;
diff --git a/drivers/usb/renesas_usbhs/Kconfig b/drivers/usb/renesas_usbhs/Kconfig
index de83b9d0cd5c..ebc99ee076ce 100644
--- a/drivers/usb/renesas_usbhs/Kconfig
+++ b/drivers/usb/renesas_usbhs/Kconfig
@@ -6,6 +6,7 @@ config USB_RENESAS_USBHS
6 tristate 'Renesas USBHS controller' 6 tristate 'Renesas USBHS controller'
7 depends on USB_GADGET 7 depends on USB_GADGET
8 depends on ARCH_SHMOBILE || SUPERH || COMPILE_TEST 8 depends on ARCH_SHMOBILE || SUPERH || COMPILE_TEST
9 depends on EXTCON || !EXTCON # if EXTCON=m, USBHS cannot be built-in
9 default n 10 default n
10 help 11 help
11 Renesas USBHS is a discrete USB host and peripheral controller chip 12 Renesas USBHS is a discrete USB host and peripheral controller chip
diff --git a/drivers/usb/serial/bus.c b/drivers/usb/serial/bus.c
index 9374bd2aba20..8936a83c96cd 100644
--- a/drivers/usb/serial/bus.c
+++ b/drivers/usb/serial/bus.c
@@ -38,56 +38,51 @@ static int usb_serial_device_match(struct device *dev,
38 return 0; 38 return 0;
39} 39}
40 40
41static ssize_t port_number_show(struct device *dev,
42 struct device_attribute *attr, char *buf)
43{
44 struct usb_serial_port *port = to_usb_serial_port(dev);
45
46 return sprintf(buf, "%d\n", port->port_number);
47}
48static DEVICE_ATTR_RO(port_number);
49
50static int usb_serial_device_probe(struct device *dev) 41static int usb_serial_device_probe(struct device *dev)
51{ 42{
52 struct usb_serial_driver *driver; 43 struct usb_serial_driver *driver;
53 struct usb_serial_port *port; 44 struct usb_serial_port *port;
45 struct device *tty_dev;
54 int retval = 0; 46 int retval = 0;
55 int minor; 47 int minor;
56 48
57 port = to_usb_serial_port(dev); 49 port = to_usb_serial_port(dev);
58 if (!port) { 50 if (!port)
59 retval = -ENODEV; 51 return -ENODEV;
60 goto exit;
61 }
62 52
63 /* make sure suspend/resume doesn't race against port_probe */ 53 /* make sure suspend/resume doesn't race against port_probe */
64 retval = usb_autopm_get_interface(port->serial->interface); 54 retval = usb_autopm_get_interface(port->serial->interface);
65 if (retval) 55 if (retval)
66 goto exit; 56 return retval;
67 57
68 driver = port->serial->type; 58 driver = port->serial->type;
69 if (driver->port_probe) { 59 if (driver->port_probe) {
70 retval = driver->port_probe(port); 60 retval = driver->port_probe(port);
71 if (retval) 61 if (retval)
72 goto exit_with_autopm; 62 goto err_autopm_put;
73 } 63 }
74 64
75 retval = device_create_file(dev, &dev_attr_port_number); 65 minor = port->minor;
76 if (retval) { 66 tty_dev = tty_register_device(usb_serial_tty_driver, minor, dev);
77 if (driver->port_remove) 67 if (IS_ERR(tty_dev)) {
78 retval = driver->port_remove(port); 68 retval = PTR_ERR(tty_dev);
79 goto exit_with_autopm; 69 goto err_port_remove;
80 } 70 }
81 71
82 minor = port->minor; 72 usb_autopm_put_interface(port->serial->interface);
83 tty_register_device(usb_serial_tty_driver, minor, dev); 73
84 dev_info(&port->serial->dev->dev, 74 dev_info(&port->serial->dev->dev,
85 "%s converter now attached to ttyUSB%d\n", 75 "%s converter now attached to ttyUSB%d\n",
86 driver->description, minor); 76 driver->description, minor);
87 77
88exit_with_autopm: 78 return 0;
79
80err_port_remove:
81 if (driver->port_remove)
82 driver->port_remove(port);
83err_autopm_put:
89 usb_autopm_put_interface(port->serial->interface); 84 usb_autopm_put_interface(port->serial->interface);
90exit: 85
91 return retval; 86 return retval;
92} 87}
93 88
@@ -114,8 +109,6 @@ static int usb_serial_device_remove(struct device *dev)
114 minor = port->minor; 109 minor = port->minor;
115 tty_unregister_device(usb_serial_tty_driver, minor); 110 tty_unregister_device(usb_serial_tty_driver, minor);
116 111
117 device_remove_file(&port->dev, &dev_attr_port_number);
118
119 driver = port->serial->type; 112 driver = port->serial->type;
120 if (driver->port_remove) 113 if (driver->port_remove)
121 retval = driver->port_remove(port); 114 retval = driver->port_remove(port);
diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c
index 2d72aa3564a3..ede4f5fcfadd 100644
--- a/drivers/usb/serial/ch341.c
+++ b/drivers/usb/serial/ch341.c
@@ -84,6 +84,10 @@ struct ch341_private {
84 u8 line_status; /* active status of modem control inputs */ 84 u8 line_status; /* active status of modem control inputs */
85}; 85};
86 86
87static void ch341_set_termios(struct tty_struct *tty,
88 struct usb_serial_port *port,
89 struct ktermios *old_termios);
90
87static int ch341_control_out(struct usb_device *dev, u8 request, 91static int ch341_control_out(struct usb_device *dev, u8 request,
88 u16 value, u16 index) 92 u16 value, u16 index)
89{ 93{
@@ -309,19 +313,12 @@ static int ch341_open(struct tty_struct *tty, struct usb_serial_port *port)
309 struct ch341_private *priv = usb_get_serial_port_data(port); 313 struct ch341_private *priv = usb_get_serial_port_data(port);
310 int r; 314 int r;
311 315
312 priv->baud_rate = DEFAULT_BAUD_RATE;
313
314 r = ch341_configure(serial->dev, priv); 316 r = ch341_configure(serial->dev, priv);
315 if (r) 317 if (r)
316 goto out; 318 goto out;
317 319
318 r = ch341_set_handshake(serial->dev, priv->line_control); 320 if (tty)
319 if (r) 321 ch341_set_termios(tty, port, NULL);
320 goto out;
321
322 r = ch341_set_baudrate(serial->dev, priv);
323 if (r)
324 goto out;
325 322
326 dev_dbg(&port->dev, "%s - submitting interrupt urb\n", __func__); 323 dev_dbg(&port->dev, "%s - submitting interrupt urb\n", __func__);
327 r = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL); 324 r = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
diff --git a/drivers/usb/serial/console.c b/drivers/usb/serial/console.c
index 29fa1c3d0089..3806e7014199 100644
--- a/drivers/usb/serial/console.c
+++ b/drivers/usb/serial/console.c
@@ -14,6 +14,7 @@
14#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 14#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
15 15
16#include <linux/kernel.h> 16#include <linux/kernel.h>
17#include <linux/module.h>
17#include <linux/slab.h> 18#include <linux/slab.h>
18#include <linux/tty.h> 19#include <linux/tty.h>
19#include <linux/console.h> 20#include <linux/console.h>
@@ -144,6 +145,7 @@ static int usb_console_setup(struct console *co, char *options)
144 init_ldsem(&tty->ldisc_sem); 145 init_ldsem(&tty->ldisc_sem);
145 INIT_LIST_HEAD(&tty->tty_files); 146 INIT_LIST_HEAD(&tty->tty_files);
146 kref_get(&tty->driver->kref); 147 kref_get(&tty->driver->kref);
148 __module_get(tty->driver->owner);
147 tty->ops = &usb_console_fake_tty_ops; 149 tty->ops = &usb_console_fake_tty_ops;
148 if (tty_init_termios(tty)) { 150 if (tty_init_termios(tty)) {
149 retval = -ENOMEM; 151 retval = -ENOMEM;
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index f40c856ff758..84ce2d74894c 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -147,6 +147,8 @@ static const struct usb_device_id id_table[] = {
147 { USB_DEVICE(0x166A, 0x0305) }, /* Clipsal C-5000CT2 C-Bus Spectrum Colour Touchscreen */ 147 { USB_DEVICE(0x166A, 0x0305) }, /* Clipsal C-5000CT2 C-Bus Spectrum Colour Touchscreen */
148 { USB_DEVICE(0x166A, 0x0401) }, /* Clipsal L51xx C-Bus Architectural Dimmer */ 148 { USB_DEVICE(0x166A, 0x0401) }, /* Clipsal L51xx C-Bus Architectural Dimmer */
149 { USB_DEVICE(0x166A, 0x0101) }, /* Clipsal 5560884 C-Bus Multi-room Audio Matrix Switcher */ 149 { USB_DEVICE(0x166A, 0x0101) }, /* Clipsal 5560884 C-Bus Multi-room Audio Matrix Switcher */
150 { USB_DEVICE(0x16C0, 0x09B0) }, /* Lunatico Seletek */
151 { USB_DEVICE(0x16C0, 0x09B1) }, /* Lunatico Seletek */
150 { USB_DEVICE(0x16D6, 0x0001) }, /* Jablotron serial interface */ 152 { USB_DEVICE(0x16D6, 0x0001) }, /* Jablotron serial interface */
151 { USB_DEVICE(0x16DC, 0x0010) }, /* W-IE-NE-R Plein & Baus GmbH PL512 Power Supply */ 153 { USB_DEVICE(0x16DC, 0x0010) }, /* W-IE-NE-R Plein & Baus GmbH PL512 Power Supply */
152 { USB_DEVICE(0x16DC, 0x0011) }, /* W-IE-NE-R Plein & Baus GmbH RCM Remote Control for MARATON Power Supply */ 154 { USB_DEVICE(0x16DC, 0x0011) }, /* W-IE-NE-R Plein & Baus GmbH RCM Remote Control for MARATON Power Supply */
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 1ebb351b9e9a..3086dec0ef53 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -799,6 +799,8 @@ static const struct usb_device_id id_table_combined[] = {
799 { USB_DEVICE(FTDI_VID, FTDI_ELSTER_UNICOM_PID) }, 799 { USB_DEVICE(FTDI_VID, FTDI_ELSTER_UNICOM_PID) },
800 { USB_DEVICE(FTDI_VID, FTDI_PROPOX_JTAGCABLEII_PID) }, 800 { USB_DEVICE(FTDI_VID, FTDI_PROPOX_JTAGCABLEII_PID) },
801 { USB_DEVICE(FTDI_VID, FTDI_PROPOX_ISPCABLEIII_PID) }, 801 { USB_DEVICE(FTDI_VID, FTDI_PROPOX_ISPCABLEIII_PID) },
802 { USB_DEVICE(FTDI_VID, CYBER_CORTEX_AV_PID),
803 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
802 { USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID), 804 { USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_PID),
803 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, 805 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
804 { USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_H_PID), 806 { USB_DEVICE(OLIMEX_VID, OLIMEX_ARM_USB_OCD_H_PID),
@@ -978,6 +980,23 @@ static const struct usb_device_id id_table_combined[] = {
978 { USB_DEVICE_INTERFACE_NUMBER(INFINEON_VID, INFINEON_TRIBOARD_PID, 1) }, 980 { USB_DEVICE_INTERFACE_NUMBER(INFINEON_VID, INFINEON_TRIBOARD_PID, 1) },
979 /* GE Healthcare devices */ 981 /* GE Healthcare devices */
980 { USB_DEVICE(GE_HEALTHCARE_VID, GE_HEALTHCARE_NEMO_TRACKER_PID) }, 982 { USB_DEVICE(GE_HEALTHCARE_VID, GE_HEALTHCARE_NEMO_TRACKER_PID) },
983 /* Active Research (Actisense) devices */
984 { USB_DEVICE(FTDI_VID, ACTISENSE_NDC_PID) },
985 { USB_DEVICE(FTDI_VID, ACTISENSE_USG_PID) },
986 { USB_DEVICE(FTDI_VID, ACTISENSE_NGT_PID) },
987 { USB_DEVICE(FTDI_VID, ACTISENSE_NGW_PID) },
988 { USB_DEVICE(FTDI_VID, ACTISENSE_D9AC_PID) },
989 { USB_DEVICE(FTDI_VID, ACTISENSE_D9AD_PID) },
990 { USB_DEVICE(FTDI_VID, ACTISENSE_D9AE_PID) },
991 { USB_DEVICE(FTDI_VID, ACTISENSE_D9AF_PID) },
992 { USB_DEVICE(FTDI_VID, CHETCO_SEAGAUGE_PID) },
993 { USB_DEVICE(FTDI_VID, CHETCO_SEASWITCH_PID) },
994 { USB_DEVICE(FTDI_VID, CHETCO_SEASMART_NMEA2000_PID) },
995 { USB_DEVICE(FTDI_VID, CHETCO_SEASMART_ETHERNET_PID) },
996 { USB_DEVICE(FTDI_VID, CHETCO_SEASMART_WIFI_PID) },
997 { USB_DEVICE(FTDI_VID, CHETCO_SEASMART_DISPLAY_PID) },
998 { USB_DEVICE(FTDI_VID, CHETCO_SEASMART_LITE_PID) },
999 { USB_DEVICE(FTDI_VID, CHETCO_SEASMART_ANALOG_PID) },
981 { } /* Terminating entry */ 1000 { } /* Terminating entry */
982}; 1001};
983 1002
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index e52409c9be99..56b1b55c4751 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -38,6 +38,9 @@
38 38
39#define FTDI_LUMEL_PD12_PID 0x6002 39#define FTDI_LUMEL_PD12_PID 0x6002
40 40
41/* Cyber Cortex AV by Fabulous Silicon (http://fabuloussilicon.com) */
42#define CYBER_CORTEX_AV_PID 0x8698
43
41/* 44/*
42 * Marvell OpenRD Base, Client 45 * Marvell OpenRD Base, Client
43 * http://www.open-rd.org 46 * http://www.open-rd.org
@@ -1438,3 +1441,23 @@
1438 */ 1441 */
1439#define GE_HEALTHCARE_VID 0x1901 1442#define GE_HEALTHCARE_VID 0x1901
1440#define GE_HEALTHCARE_NEMO_TRACKER_PID 0x0015 1443#define GE_HEALTHCARE_NEMO_TRACKER_PID 0x0015
1444
1445/*
1446 * Active Research (Actisense) devices
1447 */
1448#define ACTISENSE_NDC_PID 0xD9A8 /* NDC USB Serial Adapter */
1449#define ACTISENSE_USG_PID 0xD9A9 /* USG USB Serial Adapter */
1450#define ACTISENSE_NGT_PID 0xD9AA /* NGT NMEA2000 Interface */
1451#define ACTISENSE_NGW_PID 0xD9AB /* NGW NMEA2000 Gateway */
1452#define ACTISENSE_D9AC_PID 0xD9AC /* Actisense Reserved */
1453#define ACTISENSE_D9AD_PID 0xD9AD /* Actisense Reserved */
1454#define ACTISENSE_D9AE_PID 0xD9AE /* Actisense Reserved */
1455#define ACTISENSE_D9AF_PID 0xD9AF /* Actisense Reserved */
1456#define CHETCO_SEAGAUGE_PID 0xA548 /* SeaGauge USB Adapter */
1457#define CHETCO_SEASWITCH_PID 0xA549 /* SeaSwitch USB Adapter */
1458#define CHETCO_SEASMART_NMEA2000_PID 0xA54A /* SeaSmart NMEA2000 Gateway */
1459#define CHETCO_SEASMART_ETHERNET_PID 0xA54B /* SeaSmart Ethernet Gateway */
1460#define CHETCO_SEASMART_WIFI_PID 0xA5AC /* SeaSmart Wifi Gateway */
1461#define CHETCO_SEASMART_DISPLAY_PID 0xA5AD /* SeaSmart NMEA2000 Display */
1462#define CHETCO_SEASMART_LITE_PID 0xA5AE /* SeaSmart Lite USB Adapter */
1463#define CHETCO_SEASMART_ANALOG_PID 0xA5AF /* SeaSmart Analog Adapter */
diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c
index ccf1df7c4b80..54e170dd3dad 100644
--- a/drivers/usb/serial/generic.c
+++ b/drivers/usb/serial/generic.c
@@ -258,7 +258,8 @@ void usb_serial_generic_wait_until_sent(struct tty_struct *tty, long timeout)
258 * character or at least one jiffy. 258 * character or at least one jiffy.
259 */ 259 */
260 period = max_t(unsigned long, (10 * HZ / bps), 1); 260 period = max_t(unsigned long, (10 * HZ / bps), 1);
261 period = min_t(unsigned long, period, timeout); 261 if (timeout)
262 period = min_t(unsigned long, period, timeout);
262 263
263 dev_dbg(&port->dev, "%s - timeout = %u ms, period = %u ms\n", 264 dev_dbg(&port->dev, "%s - timeout = %u ms, period = %u ms\n",
264 __func__, jiffies_to_msecs(timeout), 265 __func__, jiffies_to_msecs(timeout),
@@ -268,7 +269,7 @@ void usb_serial_generic_wait_until_sent(struct tty_struct *tty, long timeout)
268 schedule_timeout_interruptible(period); 269 schedule_timeout_interruptible(period);
269 if (signal_pending(current)) 270 if (signal_pending(current))
270 break; 271 break;
271 if (time_after(jiffies, expire)) 272 if (timeout && time_after(jiffies, expire))
272 break; 273 break;
273 } 274 }
274} 275}
diff --git a/drivers/usb/serial/mxuport.c b/drivers/usb/serial/mxuport.c
index ab1d690274ae..460a40669967 100644
--- a/drivers/usb/serial/mxuport.c
+++ b/drivers/usb/serial/mxuport.c
@@ -1284,7 +1284,8 @@ static int mxuport_open(struct tty_struct *tty, struct usb_serial_port *port)
1284 } 1284 }
1285 1285
1286 /* Initial port termios */ 1286 /* Initial port termios */
1287 mxuport_set_termios(tty, port, NULL); 1287 if (tty)
1288 mxuport_set_termios(tty, port, NULL);
1288 1289
1289 /* 1290 /*
1290 * TODO: use RQ_VENDOR_GET_MSR, once we know what it 1291 * TODO: use RQ_VENDOR_GET_MSR, once we know what it
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 0f872e6b2c87..829604d11f3f 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -132,6 +132,7 @@ MODULE_DEVICE_TABLE(usb, id_table);
132#define UART_OVERRUN_ERROR 0x40 132#define UART_OVERRUN_ERROR 0x40
133#define UART_CTS 0x80 133#define UART_CTS 0x80
134 134
135static void pl2303_set_break(struct usb_serial_port *port, bool enable);
135 136
136enum pl2303_type { 137enum pl2303_type {
137 TYPE_01, /* Type 0 and 1 (difference unknown) */ 138 TYPE_01, /* Type 0 and 1 (difference unknown) */
@@ -615,6 +616,7 @@ static void pl2303_close(struct usb_serial_port *port)
615{ 616{
616 usb_serial_generic_close(port); 617 usb_serial_generic_close(port);
617 usb_kill_urb(port->interrupt_in_urb); 618 usb_kill_urb(port->interrupt_in_urb);
619 pl2303_set_break(port, false);
618} 620}
619 621
620static int pl2303_open(struct tty_struct *tty, struct usb_serial_port *port) 622static int pl2303_open(struct tty_struct *tty, struct usb_serial_port *port)
@@ -741,17 +743,16 @@ static int pl2303_ioctl(struct tty_struct *tty,
741 return -ENOIOCTLCMD; 743 return -ENOIOCTLCMD;
742} 744}
743 745
744static void pl2303_break_ctl(struct tty_struct *tty, int break_state) 746static void pl2303_set_break(struct usb_serial_port *port, bool enable)
745{ 747{
746 struct usb_serial_port *port = tty->driver_data;
747 struct usb_serial *serial = port->serial; 748 struct usb_serial *serial = port->serial;
748 u16 state; 749 u16 state;
749 int result; 750 int result;
750 751
751 if (break_state == 0) 752 if (enable)
752 state = BREAK_OFF;
753 else
754 state = BREAK_ON; 753 state = BREAK_ON;
754 else
755 state = BREAK_OFF;
755 756
756 dev_dbg(&port->dev, "%s - turning break %s\n", __func__, 757 dev_dbg(&port->dev, "%s - turning break %s\n", __func__,
757 state == BREAK_OFF ? "off" : "on"); 758 state == BREAK_OFF ? "off" : "on");
@@ -763,6 +764,13 @@ static void pl2303_break_ctl(struct tty_struct *tty, int break_state)
763 dev_err(&port->dev, "error sending break = %d\n", result); 764 dev_err(&port->dev, "error sending break = %d\n", result);
764} 765}
765 766
767static void pl2303_break_ctl(struct tty_struct *tty, int state)
768{
769 struct usb_serial_port *port = tty->driver_data;
770
771 pl2303_set_break(port, state);
772}
773
766static void pl2303_update_line_status(struct usb_serial_port *port, 774static void pl2303_update_line_status(struct usb_serial_port *port,
767 unsigned char *data, 775 unsigned char *data,
768 unsigned int actual_length) 776 unsigned int actual_length)
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 475723c006f9..529066bbc7e8 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -687,6 +687,21 @@ static void serial_port_dtr_rts(struct tty_port *port, int on)
687 drv->dtr_rts(p, on); 687 drv->dtr_rts(p, on);
688} 688}
689 689
690static ssize_t port_number_show(struct device *dev,
691 struct device_attribute *attr, char *buf)
692{
693 struct usb_serial_port *port = to_usb_serial_port(dev);
694
695 return sprintf(buf, "%u\n", port->port_number);
696}
697static DEVICE_ATTR_RO(port_number);
698
699static struct attribute *usb_serial_port_attrs[] = {
700 &dev_attr_port_number.attr,
701 NULL
702};
703ATTRIBUTE_GROUPS(usb_serial_port);
704
690static const struct tty_port_operations serial_port_ops = { 705static const struct tty_port_operations serial_port_ops = {
691 .carrier_raised = serial_port_carrier_raised, 706 .carrier_raised = serial_port_carrier_raised,
692 .dtr_rts = serial_port_dtr_rts, 707 .dtr_rts = serial_port_dtr_rts,
@@ -902,6 +917,7 @@ static int usb_serial_probe(struct usb_interface *interface,
902 port->dev.driver = NULL; 917 port->dev.driver = NULL;
903 port->dev.bus = &usb_serial_bus_type; 918 port->dev.bus = &usb_serial_bus_type;
904 port->dev.release = &usb_serial_port_release; 919 port->dev.release = &usb_serial_port_release;
920 port->dev.groups = usb_serial_port_groups;
905 device_initialize(&port->dev); 921 device_initialize(&port->dev);
906 } 922 }
907 923
@@ -940,8 +956,9 @@ static int usb_serial_probe(struct usb_interface *interface,
940 port = serial->port[i]; 956 port = serial->port[i];
941 if (kfifo_alloc(&port->write_fifo, PAGE_SIZE, GFP_KERNEL)) 957 if (kfifo_alloc(&port->write_fifo, PAGE_SIZE, GFP_KERNEL))
942 goto probe_error; 958 goto probe_error;
943 buffer_size = max_t(int, serial->type->bulk_out_size, 959 buffer_size = serial->type->bulk_out_size;
944 usb_endpoint_maxp(endpoint)); 960 if (!buffer_size)
961 buffer_size = usb_endpoint_maxp(endpoint);
945 port->bulk_out_size = buffer_size; 962 port->bulk_out_size = buffer_size;
946 port->bulk_out_endpointAddress = endpoint->bEndpointAddress; 963 port->bulk_out_endpointAddress = endpoint->bEndpointAddress;
947 964
diff --git a/drivers/usb/storage/unusual_uas.h b/drivers/usb/storage/unusual_uas.h
index dbc00e56c7f5..82570425fdfe 100644
--- a/drivers/usb/storage/unusual_uas.h
+++ b/drivers/usb/storage/unusual_uas.h
@@ -113,6 +113,13 @@ UNUSUAL_DEV(0x0bc2, 0xab2a, 0x0000, 0x9999,
113 USB_SC_DEVICE, USB_PR_DEVICE, NULL, 113 USB_SC_DEVICE, USB_PR_DEVICE, NULL,
114 US_FL_NO_ATA_1X), 114 US_FL_NO_ATA_1X),
115 115
116/* Reported-by: Tom Arild Naess <tanaess@gmail.com> */
117UNUSUAL_DEV(0x152d, 0x0539, 0x0000, 0x9999,
118 "JMicron",
119 "JMS539",
120 USB_SC_DEVICE, USB_PR_DEVICE, NULL,
121 US_FL_NO_REPORT_OPCODES),
122
116/* Reported-by: Claudio Bizzarri <claudio.bizzarri@gmail.com> */ 123/* Reported-by: Claudio Bizzarri <claudio.bizzarri@gmail.com> */
117UNUSUAL_DEV(0x152d, 0x0567, 0x0000, 0x9999, 124UNUSUAL_DEV(0x152d, 0x0567, 0x0000, 0x9999,
118 "JMicron", 125 "JMicron",
diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c
index d468d02179f4..5600c33fcadb 100644
--- a/drivers/usb/storage/usb.c
+++ b/drivers/usb/storage/usb.c
@@ -889,6 +889,12 @@ static void usb_stor_scan_dwork(struct work_struct *work)
889 !(us->fflags & US_FL_SCM_MULT_TARG)) { 889 !(us->fflags & US_FL_SCM_MULT_TARG)) {
890 mutex_lock(&us->dev_mutex); 890 mutex_lock(&us->dev_mutex);
891 us->max_lun = usb_stor_Bulk_max_lun(us); 891 us->max_lun = usb_stor_Bulk_max_lun(us);
892 /*
893 * Allow proper scanning of devices that present more than 8 LUNs
894 * While not affecting other devices that may need the previous behavior
895 */
896 if (us->max_lun >= 8)
897 us_to_host(us)->max_lun = us->max_lun+1;
892 mutex_unlock(&us->dev_mutex); 898 mutex_unlock(&us->dev_mutex);
893 } 899 }
894 scsi_scan_host(us_to_host(us)); 900 scsi_scan_host(us_to_host(us));
generated by cgit v1.2.2 (git 2.25.0) at 2026-01-24 07:46:12 -0500