| Commit message (Collapse) | Author | Age |
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Suppose there are two bitmaps [0, 256], [256, 512] and one extent
[100, 120] in the free space cache, and we want to setup a cluster
with offset=100, bytes=50.
In this case, there will be only one bitmap [256, 512] in the temporary
bitmaps list, and then setup_cluster_bitmap() won't search bitmap [0, 256].
The cause is, the list is constructed in setup_cluster_no_bitmap(),
and only bitmaps with bitmap_entry->offset >= offset will be added
into the list, and the very bitmap that convers offset has
bitmap_entry->offset <= offset.
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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My previous patch introduced some u64 for failed_mirror variables, this one
makes it consistent again.
Signed-off-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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This patch casts to unsigned long before casting to a pointer and fixes
the following warnings:
fs/btrfs/extent_io.c:2289:20: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
fs/btrfs/ioctl.c:2933:37: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
fs/btrfs/ioctl.c:2937:21: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
fs/btrfs/ioctl.c:3020:21: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
fs/btrfs/scrub.c:275:4: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
fs/btrfs/backref.c:686:27: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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When btrfs is writing the super blocks, it send barrier flushes to make
sure writeback caching drives get all the metadata on disk in the
right order.
But, we have two bugs in the way these are sent down. When doing
full commits (not via the tree log), we are sending the barrier down
before the last super when it should be going down before the first.
In multi-device setups, we should be waiting for the barriers to
complete on all devices before writing any of the supers.
Both of these bugs can cause corruptions on power failures. We fix it
with some new code to send down empty barriers to all devices before
writing the first super.
Alexandre Oliva found the multi-device bug. Arne Jansen did the async
barrier loop.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Reported-by: Alexandre Oliva <oliva@lsd.ic.unicamp.br>
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The btrfs snapshotting code requires that once a root has been
snapshotted, we don't change it during a commit.
But there are two cases to lead to tree corruptions:
1) multi-thread snapshots can commit serveral snapshots in a transaction,
and this may change the src root when processing the following pending
snapshots, which lead to the former snapshots corruptions;
2) the free inode cache was changing the roots when it root the cache,
which lead to corruptions.
This fixes things by making sure we force COW the block after we create a
snapshot during commiting a transaction, then any changes to the roots
will result in COW, and we get all the fs roots and snapshot roots to be
consistent.
Signed-off-by: Liu Bo <liubo2009@cn.fujitsu.com>
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux
* 'writeback-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux:
writeback: remove vm_dirties and task->dirties
writeback: hard throttle 1000+ dd on a slow USB stick
mm: Make task in balance_dirty_pages() killable
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They are not used any more.
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
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The sleep based balance_dirty_pages() can pause at most MAX_PAUSE=200ms
on every 1 4KB-page, which means it cannot throttle a task under
4KB/200ms=20KB/s. So when there are more than 512 dd writing to a
10MB/s USB stick, its bdi dirty pages could grow out of control.
Even if we can increase MAX_PAUSE, the minimal (task_ratelimit = 1)
means a limit of 4KB/s.
They can eventually be safeguarded by the global limit check
(nr_dirty < dirty_thresh). However if someone is also writing to an
HDD at the same time, it'll get poor HDD write performance.
We at least want to maintain good write performance for other devices
when one device is attacked by some "massive parallel" workload, or
suffers from slow write bandwidth, or somehow get stalled due to some
error condition (eg. NFS server not responding).
For a stalled device, we need to completely block its dirtiers, too,
before its bdi dirty pages grow all the way up to the global limit and
leave no space for the other functional devices.
So change the loop exit condition to
/*
* Always enforce global dirty limit; also enforce bdi dirty limit
* if the normal max_pause sleeps cannot keep things under control.
*/
if (nr_dirty < dirty_thresh &&
(bdi_dirty < bdi_thresh || bdi->dirty_ratelimit > 1))
break;
which can be further simplified to
if (task_ratelimit)
break;
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
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There is no reason why task in balance_dirty_pages() shouldn't be killable
and it helps in recovering from some error conditions (like when filesystem
goes in error state and cannot accept writeback anymore but we still want to
kill processes using it to be able to unmount it).
There will be follow up patches to further abort the generic_perform_write()
and other filesystem write loops, to avoid large write + SIGKILL combination
exceeding the dirty limit and possibly strange OOM.
Reported-by: Kazuya Mio <k-mio@sx.jp.nec.com>
Tested-by: Kazuya Mio <k-mio@sx.jp.nec.com>
Reviewed-by: Neil Brown <neilb@suse.de>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
* 'staging-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: fix more ET131X build errors
staging: et131x depends on NET
staging: slicoss depends on NET
linux-next: et131x: Fix build error when CONFIG_PM_SLEEP not enabled
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ET131X is a network device, so it should depend on
NETDEVICES. (This part won't be needed when the driver
moves to drivers/net/.) It also uses PHYLIB interfaces,
so it should select PHYLIB. Fixes these build errors:
ERROR: "phy_connect" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "phy_find_first" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "mdiobus_register" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "mdiobus_alloc" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "phy_stop" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "phy_start" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "mdiobus_free" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "mdiobus_unregister" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "phy_print_status" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "phy_ethtool_gset" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "phy_ethtool_sset" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "phy_mii_ioctl" [drivers/staging/et131x/et131x.ko] undefined!
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Acked-by: : Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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ET131X uses netdev interfaces so it should depend on NET.
Fixes these build errors:
ERROR: "ethtool_op_get_link" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "eth_validate_addr" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "register_netdev" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "phy_connect" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "phy_find_first" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "mdiobus_register" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "mdiobus_alloc" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "alloc_etherdev_mqs" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "netif_device_detach" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "phy_stop" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "netif_device_attach" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "phy_start" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "free_netdev" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "mdiobus_free" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "mdiobus_unregister" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "unregister_netdev" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "__netif_schedule" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "phy_print_status" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "dev_kfree_skb_any" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "dev_alloc_skb" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "netif_rx" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "eth_type_trans" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "skb_put" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "phy_ethtool_gset" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "phy_ethtool_sset" [drivers/staging/et131x/et131x.ko] undefined!
ERROR: "phy_mii_ioctl" [drivers/staging/et131x/et131x.ko] undefined!
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The slicoss driver uses network interfaces so it should depend
on NET. Fixes the following build errors:
ERROR: "eth_change_mtu" [drivers/staging/slicoss/slicoss.ko] undefined!
ERROR: "eth_validate_addr" [drivers/staging/slicoss/slicoss.ko] undefined!
ERROR: "register_netdev" [drivers/staging/slicoss/slicoss.ko] undefined!
ERROR: "alloc_etherdev_mqs" [drivers/staging/slicoss/slicoss.ko] undefined!
ERROR: "__netif_schedule" [drivers/staging/slicoss/slicoss.ko] undefined!
ERROR: "netif_rx" [drivers/staging/slicoss/slicoss.ko] undefined!
ERROR: "eth_type_trans" [drivers/staging/slicoss/slicoss.ko] undefined!
ERROR: "skb_put" [drivers/staging/slicoss/slicoss.ko] undefined!
ERROR: "skb_pull" [drivers/staging/slicoss/slicoss.ko] undefined!
ERROR: "__alloc_skb" [drivers/staging/slicoss/slicoss.ko] undefined!
ERROR: "free_netdev" [drivers/staging/slicoss/slicoss.ko] undefined!
ERROR: "unregister_netdev" [drivers/staging/slicoss/slicoss.ko] undefined!
ERROR: "consume_skb" [drivers/staging/slicoss/slicoss.ko] undefined!
ERROR: "dev_kfree_skb_irq" [drivers/staging/slicoss/slicoss.ko] undefined!
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Cc: Lior Dotan <liodot@gmail.com>
Cc: Christopher Harrer <charrer@alacritech.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Randy Dunlap reports that the ex131x driver doesn't build when CONFIG_PM_SLEEP is not enabled.
This bug was introduced when moving code around to remove some forward declarations earlier, the #endif part of #ifdef CONFIG_PM_SLEEP was not moved at the same time. Now fixed by moving it to its proper place.
Reported-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Mark Einon <mark.einon@gmail.com>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
* 'usb-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (48 commits)
USB: Fix Corruption issue in USB ftdi driver ftdi_sio.c
USB: option: add PID of Huawei E173s 3G modem
OHCI: final fix for NVIDIA problems (I hope)
USB: option: release new PID for ZTE 3G modem
usb: Netlogic: Fix HC_LENGTH call in ehci-xls.c
USB: storage: ene_ub6250: fix compile warnings
USB: option: add id for 3G dongle Model VT1000 of Viettel
USB: serial: pl2303: rm duplicate id
USB: pch_udc: Change company name OKI SEMICONDUCTOR to LAPIS Semiconductor
USB: pch_udc: Support new device LAPIS Semiconductor ML7831 IOH
usb-storage: Accept 8020i-protocol commands longer than 12 bytes
USB: quirks: adding more quirky webcams to avoid squeaky audio
powerpc/usb: fix type cast for address of ioremap to compatible with 64-bit
USB: at91: at91-ohci: fix set/get power
USB: cdc-acm: Fix disconnect() vs close() race
USB: add quirk for Logitech C600 web cam
USB: EHCI: fix HUB TT scheduling issue with iso transfer
USB: XHCI: resume root hubs when the controller resumes
USB: workaround for bug in old version of GCC
USB: ark3116 initialisation fix
...
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Fix for ftdi_set_termios() glitching output
ftdi_set_termios() is constantly setting the baud rate, data bits and parity
unnecessarily on every call, . When called while characters are being
transmitted can cause the FTDI chip to corrupt the serial port bit stream
output by stalling the output half a bit during the output of a character.
Simple fix by skipping this setting if the baud rate/data bits/parity are
unchanged.
Signed-off-by: Andrew Worsley <amworsley@gmail.com>
Cc: stable <stable@vger.kernel.org>
----
I had a brief run with strace on the getty and it was doing ioctl()s on
each call but it didn't look relavant to the problem. I think the issue is
that XON/XOFF flow control was being implmented via hardware - for the ixoff
to allow the user to use XON/XOFF to control output. Unfortunately it would
send 3 Control URBs updating all of the settings after each piece of input
I am trying to work around the issue of gmail messing with the tab/spacing
by submitting via SMTP via gmail which I believe should fix the issue.
The patch is against v3.2-rc2 and compiles - but no additional testing in
this kernel has been done.
Thanks
Andrew
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Ferenc Wagner <wferi@niif.hu>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Problems with NVIDIA's OHCI host controllers persist. After looking
carefully through the spec, I finally realized that when a controller
is reset it then automatically goes into a SUSPEND state in which it
is completely quiescent (no DMA and no IRQs) and from which it will
not awaken until the system puts it into the OPERATIONAL state.
Therefore there's no need to worry about controllers being in the
RESET state for extended periods, or remaining in the OPERATIONAL
state during system shutdown. The proper action for device
initialization is to put the controller into the RESET state (if it's
not there already) and then to issue a software reset. Similarly, the
proper action for device shutdown is simply to do a software reset.
This patch (as1499) implements such an approach. It simplifies
initialization and shutdown, and allows the NVIDIA shutdown-quirk code
to be removed.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Tested-by: Andre "Osku" Schmidt <andre.osku.schmidt@googlemail.com>
Tested-by: Arno Augustin <Arno.Augustin@web.de>
Cc: stable <stable@vger.kernel.org> [after tested in 3.2 for a while]
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch adds new PIDs for ZTE 3G modem, after we confirm it and tested.
Thanks for Dan's work at kernel option devier.
Signed-off-by: Alvin.Zheng <zheng.zhijian@zte.com.cn>
Signed-off-by: wsalvin <wsalvin@yahoo.com.cn>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Fix compile error, HC_LENGTH now takes two parameters and ehci
needs to be passed as the first parameter.
Signed-off-by: Jayachandran C <jayachandranc@netlogicmicro.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Fix the following compile warning:
| drivers/usb/storage/ene_ub6250.c: In function ‘ms_scsi_write’:
| drivers/usb/storage/ene_ub6250.c:1728:6: warning: ‘result’ may \
| be used uninitialized in this function [-Wuninitialized]
| drivers/usb/storage/ene_ub6250.c:1795:77: warning: ‘offset’ may \
| be used uninitialized in this function [-Wuninitialized]
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Add VendorID/ProductID for USB 3G dongle Model VT1000 of Viettel.
Signed-off-by: VU Tuan Duc <ducvt@viettel.com.vn>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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I get report from customer that his usb-serial
converter doesn't work well,it sometimes work,
but sometimes it doesn't.
The usb-serial converter's id:
vendor_id product_id
0x4348 0x5523
Then I search the usb-serial codes, and there are
two drivers announce support this device, pl2303
and ch341, commit 026dfaf1 cause it. Through many
times to test, ch341 works well with this device,
and pl2303 doesn't work quite often(it just work quite little).
ch341 works well with this device, so we doesn't
need pl2303 to support.I try to revert 026dfaf1 first,
but it failed. So I prepare this patch by hand to revert it.
Signed-off-by: Wang YanQing <Udknight@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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On October 1 in 2011,
OKI SEMICONDUCTOR Co., Ltd. changed the company name in to LAPIS Semiconductor Co., Ltd.
Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.lapis-semi.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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ML7831 is companion chip for Intel Atom E6xx series.
Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.lapis-semi.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The 8020i protocol (also 8070i and QIC-157) uses 12-byte commands;
shorter commands must be padded. Simon Detheridge reports that his
3-TB USB disk drive claims to use the 8020i protocol (which is
normally meant for ATAPI devices like CD drives), and because of its
large size, the disk drive requires the use of 16-byte commands.
However the usb_stor_pad12_command() routine in usb-storage always
sets the command length to 12, making the drive impossible to use.
Since the SFF-8020i specification allows for 16-byte commands in
future extensions, we may as well accept them. This patch (as1490)
changes usb_stor_pad12_command() to leave commands larger than 12
bytes alone rather than truncating them.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Tested-by: Simon Detheridge <simon@widgit.com>
CC: Matthew Dharm <mdharm-usb@one-eyed-alien.net>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The following patch contains additional affected webcam models, on top of the
patches commited to linux-next 2394d67e446bf616a0885167d5f0d397bdacfdfc
and 5b253d88cc6c65a23cefc457a5a4ef139913c5fc
Signed-off-by: sordna <sordna@gmail.com>
Cc: Oliver Neukum <oliver@neukum.org>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Below are codes for accessing usb sysif_regs in driver:
usb_sys_regs = (struct usb_sys_interface *)
((u32)dr_regs + USB_DR_SYS_OFFSET);
these codes work in 32-bit, but in 64-bit, use u32 to type cast the address
of ioremap is not right, and accessing members of 'usb_sys_regs' will cause
call trace, so use (void *) for both 32-bit and 64-bit.
Signed-off-by: Shaohui Xie <Shaohui.Xie@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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in commit aa6e52a35 we introduce the support of overcurrent notification
but the set and get of the power without checking if the gpio is valid or not
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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There's a race between the USB disconnect handler and the TTY close
handler which may cause the acm object to be freed while it's still
being used. This may lead to things like
http://article.gmane.org/gmane.linux.usb.general/54250
and
https://lkml.org/lkml/2011/5/29/64
This is the simplest fix I could come up with. Holding on to open_mutex
while closing the TTY device prevents acm_disconnect() from freeing the
acm object between acm->port.count drops to 0 and the TTY side of the
cleanups are finalized.
Signed-off-by: Havard Skinnemoen <hskinnemoen@google.com>
Cc: Oliver Neukum <oliver@neukum.name>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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We've had another report of the "chipmunk" sound on a Logitech C600 webcam.
This patch resolves the issue.
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Josh Boyer <jwboyer@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The current TT scheduling doesn't allow to play and then record on a
full-speed device connected to a high speed hub.
The IN iso stream can only start on the first uframe (0-2 for a 165 us)
because of CSPLIT transactions.
For the OUT iso stream there no such restriction. uframe 0-5 are possible.
The idea of this patch is that the first uframe are precious (for IN TT iso
stream) and we should allocate the last uframes first if possible.
For that we reverse the order of uframe allocation (last uframe first).
Here an example :
hid interrupt stream
----------------------------------------------------------------------
uframe | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
----------------------------------------------------------------------
max_tt_usecs | 125 | 125 | 125 | 125 | 125 | 125 | 30 | 0 |
----------------------------------------------------------------------
used usecs on a frame | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
----------------------------------------------------------------------
iso OUT stream
----------------------------------------------------------------------
uframe | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
----------------------------------------------------------------------
max_tt_usecs | 125 | 125 | 125 | 125 | 125 | 125 | 30 | 0 |
----------------------------------------------------------------------
used usecs on a frame | 13 | 125 | 39 | 0 | 0 | 0 | 0 | 0 |
----------------------------------------------------------------------
There no place for iso IN stream (uframe 0-2 are used) and we got "cannot
submit datapipe for urb 0, error -28: not enough bandwidth" error.
With the patch this become.
iso OUT stream
----------------------------------------------------------------------
uframe | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
----------------------------------------------------------------------
max_tt_usecs | 125 | 125 | 125 | 125 | 125 | 125 | 30 | 0 |
----------------------------------------------------------------------
used usecs on a frame | 13 | 0 | 0 | 0 | 125 | 39 | 0 | 0 |
----------------------------------------------------------------------
iso IN stream
----------------------------------------------------------------------
uframe | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
----------------------------------------------------------------------
max_tt_usecs | 125 | 125 | 125 | 125 | 125 | 125 | 30 | 0 |
----------------------------------------------------------------------
used usecs on a frame | 13 | 0 | 125 | 40 | 125 | 39 | 0 | 0 |
----------------------------------------------------------------------
Signed-off-by: Matthieu Castet <matthieu.castet@parrot.com>
Signed-off-by: Thomas Poussevin <thomas.poussevin@parrot.com>
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch (as1494) fixes a problem in xhci-hcd's resume routine.
When the controller is runtime-resumed, this can only mean that one of
the two root hubs has made a wakeup request and therefore needs to be
resumed as well. Rather than try to determine which root hub requires
attention (which might be difficult in the case where a new
non-SuperSpeed device has been plugged in), the patch simply resumes
both root hubs.
Without this change, there is a race: The controller might be put back
to sleep before it can activate its IRQ line, and the wakeup condition
might never get handled.
The patch also simplifies the logic in xhci_resume a little, combining
some repeated flag settings into a single pair of statements.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
CC: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable <stable@vger.kernel.org>
Tested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch (as1491) works around a bug in GCC-3.4.6, which is still
supposed to be supported. The number of microseconds in the udelay()
call in quirk_usb_disable_ehci() is fixed at 100, but the compiler
doesn't understand this and generates a link-time error. So we
replace the otherwise unused variable "delta" with a simple constant
100. This same pattern is already used in other delay loops in that
source file.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Reported-by: Konrad Rzepecki <krzepecki@dentonet.pl>
Tested-by: Konrad Rzepecki <krzepecki@dentonet.pl>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch for the usb serial ark3116 driver fixes an initialisation
ordering bug that gets triggered on hotplug when using at least recent
debian/ubuntu userspace. Without it, ark3116 serial cables don't work.
Signed-off-by: Bart Hartgers <bart.hartgers@gmail.com>
Tested-by: law_ence.dev@ntlworld.com
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit de47725 (include: replace linux/module.h
with "struct module" wherever possible) introduced
a compilation breaked when it removed <linux/module.h>
from <linux/device.h> which musb glue layers were
(mistakenly) relying on.
Include that header to fix the compile error.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Without this the gadget will never be able to allocate a stream capable
endpoint. The manual says that the stream id is a 16bit id. It does not
talk about an upper limit in any other way. So I think 15 is a
reasonable limit :)
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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new endpoint should start from DATA0,
but mod_host didn't care it.
This patch fix it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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renesas_usbhs is caring pipe type and its direction.
but current usbhs_endpoint_alloc() didn't check direction.
this patch modify it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Since commit "193ab2a usb: gadget: allow multiple gadgets to be built"
the udc controllers can be compiled as a module. The ci13xxx_msm driver
is missing the MODULE_LICENSE statement, so loading fails with:
ci13xxx_msm: module license 'unspecified' taints kernel.
ci13xxx_msm: Unknown symbol dev_set_name (err 0)
ci13xxx_msm: Unknown symbol platform_get_irq (err 0)
ci13xxx_msm: Unknown symbol device_unregister (err 0)
ci13xxx_msm: Unknown symbol usb_add_gadget_udc (err 0)
ci13xxx_msm: Unknown symbol put_device (err 0)
ci13xxx_msm: Unknown symbol platform_driver_register (err 0)
ci13xxx_msm: Unknown symbol platform_get_resource (err 0)
ci13xxx_msm: Unknown symbol device_register (err 0)
ci13xxx_msm: Unknown symbol usb_del_gadget_udc (err 0)
This patch adds the missing MODULE_LICENSE statement with GPL v2 according
to the header of the driver.
Tested-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch fixes the following compile errors that show up if switching
on the debug trace code:
drivers/usb/gadget/ci13xxx_udc.c: In function 'ci13xxx_wakeup':
drivers/usb/gadget/ci13xxx_udc.c:2517:3: error: 'dev' undeclared (first use in this function)
drivers/usb/gadget/ci13xxx_udc.c:2517:3: note: each undeclared identifier is reported only once for each function it appears in
drivers/usb/gadget/ci13xxx_udc.c: In function 'udc_probe':
drivers/usb/gadget/ci13xxx_udc.c:2867:2: error: 'name' undeclared (first use in this function)
Tested-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The inline documentation of _gadget_stop_activity() states that the
function should be called holding the udc->lock. This however will
result in a deadlock, because _gadget_stop_activity() takes the udc->lock.
During normal operation _gadget_stop_activity() is always called unlocked,
but in ci13xxx_stop() it's called locked, this results in the following
deadlock during rmmod of a gadget driver.
This patch fixes the deadlock by calling _gadget_stop_activity() always
unlocked, the inline documentation is adjusted accordingly.
=============================================
[ INFO: possible recursive locking detected ]
3.1.0-rc6+ #159
---------------------------------------------
rmmod/121 is trying to acquire lock:
(udc_lock){-.-...}, at: [<c0229048>] _gadget_stop_activity+0x18/0x154
but task is already holding lock:
(udc_lock){-.-...}, at: [<c02291e0>] ci13xxx_stop+0x5c/0x164
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0
----
lock(udc_lock);
lock(udc_lock);
*** DEADLOCK ***
May be due to missing lock nesting notation
2 locks held by rmmod/121:
#0: (udc_lock#2){+.+.+.}, at: [<c02286c0>] usb_gadget_unregister_driver+0x34/0x88
#1: (udc_lock){-.-...}, at: [<c02291e0>] ci13xxx_stop+0x5c/0x164
stack backtrace:
[<c000d41c>] (unwind_backtrace+0x0/0xf0) from [<c0056f94>] (check_deadlock.clone.24+0x284/0x2c4)
[<c0056f94>] (check_deadlock.clone.24+0x284/0x2c4) from [<c00589ac>] (validate_chain.clone.25+0x430/0x6fc)
[<c00589ac>] (validate_chain.clone.25+0x430/0x6fc) from [<c0059bac>] (__lock_acquire+0x494/0x8f0)
[<c0059bac>] (__lock_acquire+0x494/0x8f0) from [<c005a698>] (lock_acquire+0x98/0x1a8)
[<c005a698>] (lock_acquire+0x98/0x1a8) from [<c02f12a4>] (_raw_spin_lock_irqsave+0x64/0xa0)
[<c02f12a4>] (_raw_spin_lock_irqsave+0x64/0xa0) from [<c0229048>] (_gadget_stop_activity+0x18/0x154)
[<c0229048>] (_gadget_stop_activity+0x18/0x154) from [<c0229234>] (ci13xxx_stop+0xb0/0x164)
[<c0229234>] (ci13xxx_stop+0xb0/0x164) from [<c022867c>] (usb_gadget_remove_driver+0x88/0x98)
[<c022867c>] (usb_gadget_remove_driver+0x88/0x98) from [<c02286f4>] (usb_gadget_unregister_driver+0x68/0x88)
[<c02286f4>] (usb_gadget_unregister_driver+0x68/0x88) from [<c0065f2c>] (sys_delete_module+0x1fc/0x26c)
[<c0065f2c>] (sys_delete_module+0x1fc/0x26c) from [<c00092a0>] (ret_fast_syscall+0x0/0x38)
BUG: spinlock lockup on CPU#0, rmmod/121, c05b1644
[<c000d41c>] (unwind_backtrace+0x0/0xf0) from [<c01da000>] (do_raw_spin_lock+0x128/0x144)
[<c01da000>] (do_raw_spin_lock+0x128/0x144) from [<c02f12c8>] (_raw_spin_lock_irqsave+0x88/0xa0)
[<c02f12c8>] (_raw_spin_lock_irqsave+0x88/0xa0) from [<c0229048>] (_gadget_stop_activity+0x18/0x154)
[<c0229048>] (_gadget_stop_activity+0x18/0x154) from [<c0229234>] (ci13xxx_stop+0xb0/0x164)
[<c0229234>] (ci13xxx_stop+0xb0/0x164) from [<c022867c>] (usb_gadget_remove_driver+0x88/0x98)
[<c022867c>] (usb_gadget_remove_driver+0x88/0x98) from [<c02286f4>] (usb_gadget_unregister_driver+0x68/0x88)
[<c02286f4>] (usb_gadget_unregister_driver+0x68/0x88) from [<c0065f2c>] (sys_delete_module+0x1fc/0x26c)
[<c0065f2c>] (sys_delete_module+0x1fc/0x26c) from [<c00092a0>] (ret_fast_syscall+0x0/0x38)
Tested-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The current driver sets the request's dma addr (mReq->req.dma) to 0 to
mark the DMA address as not valid. However some gadget drivers
(e.g. gadgetfs) set the request's dma addr to DMA_ADDR_INVALID to mark
the address as invalid. This leads to bogus data send because the
ci13xxx_udc driver assumes the request has already been mapped.
This patch fixes the problem, by using DMA_ADDR_INVALID instead of 0
to mark the request's DMA address as invalid.
Tested-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Under certain circumstances lockdep finds an inconsistent lock state in
gadgetfs. The problem can be reproduced with a hardware using the
ci13xxx_udc driver and the gadgetfs test program (needs a patch to support
the ci13xxx_udc, though):
http://www.linux-usb.org/gadget/usb.c
Start the test program, wait to initialize, then press Ctrl+c.
This patch fixes the following problem by using spin_lock_irqsave()
instead of spin_lock().
=================================
[ INFO: inconsistent lock state ]
3.1.0-rc6+ #158
---------------------------------
inconsistent {IN-HARDIRQ-W} -> {HARDIRQ-ON-W} usage.
usb/113 [HC0[0]:SC0[0]:HE1:SE1] takes:
(&(&dev->lock)->rlock){?.....}, at: [<bf000340>] gadgetfs_disconnect+0x14/0x80 [gadgetfs]
{IN-HARDIRQ-W} state was registered at:
[<c00596b8>] mark_irqflags+0x14c/0x1ac
[<c0059bf8>] __lock_acquire+0x4e0/0x8f0
[<c005a698>] lock_acquire+0x98/0x1a8
[<c02f10e0>] _raw_spin_lock+0x54/0x8c
[<bf000340>] gadgetfs_disconnect+0x14/0x80 [gadgetfs]
[<c0229104>] _gadget_stop_activity+0xd4/0x154
[<c022b130>] isr_reset_handler+0x34/0x1c0
[<c022c320>] udc_irq+0x204/0x228
[<c0069018>] handle_irq_event_percpu+0x64/0x3a0
[<c0069390>] handle_irq_event+0x3c/0x5c
[<c006ae5c>] handle_level_irq+0x8c/0x10c
[<c0068a34>] generic_handle_irq+0x30/0x44
[<c0009b2c>] handle_IRQ+0x30/0x84
[<c0008ef8>] __irq_svc+0x38/0x60
[<c0009c58>] default_idle+0x30/0x34
[<c0009e30>] cpu_idle+0x9c/0xd8
[<c04056f4>] start_kernel+0x278/0x2bc
irq event stamp: 6412
hardirqs last enabled at (6412): [<c02f1cd0>] _raw_spin_unlock_irqrestore+0x30/0x5c
hardirqs last disabled at (6411): [<c02f1278>] _raw_spin_lock_irqsave+0x20/0xa0
softirqs last enabled at (6381): [<c002833c>] irq_exit+0xa0/0xa8
softirqs last disabled at (6372): [<c002833c>] irq_exit+0xa0/0xa8
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0
----
lock(&(&dev->lock)->rlock);
<Interrupt>
lock(&(&dev->lock)->rlock);
*** DEADLOCK ***
1 lock held by usb/113:
#0: (udc_lock#2){+.+.+.}, at: [<c02286c0>] usb_gadget_unregister_driver+0x34/0x88
stack backtrace:
[<c000d41c>] (unwind_backtrace+0x0/0xf0) from [<c0058e98>] (print_usage_bug+0x144/0x1c4)
[<c0058e98>] (print_usage_bug+0x144/0x1c4) from [<c0059144>] (mark_lock_irq+0x22c/0x274)
[<c0059144>] (mark_lock_irq+0x22c/0x274) from [<c00592d4>] (mark_lock+0x148/0x3e0)
[<c00592d4>] (mark_lock+0x148/0x3e0) from [<c0059668>] (mark_irqflags+0xfc/0x1ac)
[<c0059668>] (mark_irqflags+0xfc/0x1ac) from [<c0059bf8>] (__lock_acquire+0x4e0/0x8f0)
[<c0059bf8>] (__lock_acquire+0x4e0/0x8f0) from [<c005a698>] (lock_acquire+0x98/0x1a8)
[<c005a698>] (lock_acquire+0x98/0x1a8) from [<c02f10e0>] (_raw_spin_lock+0x54/0x8c)
[<c02f10e0>] (_raw_spin_lock+0x54/0x8c) from [<bf000340>] (gadgetfs_disconnect+0x14/0x80 [gadgetfs])
[<bf000340>] (gadgetfs_disconnect+0x14/0x80 [gadgetfs]) from [<c0229104>] (_gadget_stop_activity+0xd4/0x154)
[<c0229104>] (_gadget_stop_activity+0xd4/0x154) from [<c0229240>] (ci13xxx_stop+0xbc/0x17c)
[<c0229240>] (ci13xxx_stop+0xbc/0x17c) from [<c022867c>] (usb_gadget_remove_driver+0x88/0x98)
[<c022867c>] (usb_gadget_remove_driver+0x88/0x98) from [<c02286f4>] (usb_gadget_unregister_driver+0x68/0x88)
[<c02286f4>] (usb_gadget_unregister_driver+0x68/0x88) from [<bf0003e8>] (dev_release+0x14/0x48 [gadgetfs])
[<bf0003e8>] (dev_release+0x14/0x48 [gadgetfs]) from [<c00cc158>] (__fput+0xa4/0x1f0)
[<c00cc158>] (__fput+0xa4/0x1f0) from [<c00c7f28>] (filp_close+0x5c/0x74)
[<c00c7f28>] (filp_close+0x5c/0x74) from [<c00c7fe8>] (sys_close+0xa8/0x150)
[<c00c7fe8>] (sys_close+0xa8/0x150) from [<c00092a0>] (ret_fast_syscall+0x0/0x38)
Tested-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The dynamic jack allocation of the MIDI gadget currently links all
external jacks to one single instance of an embedded jack. According to
the spec, this is only valid if these streams always carry the same data
stream, as described in the USB MIDI 1.0 spec, chapter 3.3.1.
Also, genius Windows 7(tm) terminates it's life cycle instantly with a
blue screen of death once a device with more than one input and output
port with the current implementation is connected.
While at it, and because it grew again by this change, allocate the
temporary function pointer list on the heap, not on the stack.
Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The USB-IF CV compliance tester is getting stricter, and it would
be valid for it to fail a mass-storage device that accepts an
invalid USB_BULK_RESET_REQUEST request. Although it doesn't do
that yet, let's be proactive and fix that now.
Suggested by Alan Stern.
Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The latest USB-IF CV tester checks for a valid length for this
request.
Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Fix up the following section mismatch warnings:
WARNING: drivers/usb/renesas_usbhs/renesas_usbhs.o(.text+0xf5d): Section
mismatch in reference from the function usbhs_mod_probe() to the function
.devinit.text:usbhs_mod_host_probe() The function usbhs_mod_probe() references
the function __devinit usbhs_mod_host_probe(). This is often because
usbhs_mod_probe lacks a __devinit annotation or the annotation of
usbhs_mod_host_probe is wrong.
WARNING: drivers/usb/renesas_usbhs/renesas_usbhs.o(.text+0xfd7): Section
mismatch in reference from the function usbhs_mod_probe() to the function
.devexit.text:usbhs_mod_host_remove() The function usbhs_mod_probe() references
a function in an exit section. Often the function usbhs_mod_host_remove() has
valid usage outside the exit section and the fix is to remove the __devexit
annotation of usbhs_mod_host_remove.
WARNING: drivers/usb/renesas_usbhs/renesas_usbhs.o(.text+0x1005): Section
mismatch in reference from the function usbhs_mod_remove() to the function
.devexit.text:usbhs_mod_host_remove() The function usbhs_mod_remove()
references a function in an exit section. Often the function
usbhs_mod_host_remove() has valid usage outside the exit section and the fix is
to remove the __devexit annotation of usbhs_mod_host_remove.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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this patch fixup bogus conversion of
8a9775ab71218690ac34bed9e237e2b968857d3a
(usb: gadget: renesas_usbhs: fix compile warning)
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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