From c97c6aca75fd5f718056fde7cff798b8cbdb07c0 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Wed, 23 Jul 2008 19:55:50 +0200 Subject: ide: pass hw_regs_t-s to ide_device_add[_all]() (take 3) * Add 'hw_regs_t **hws' argument to ide_device_add[_all]() and convert host drivers + ide_legacy_init_one() + ide_setup_pci_device[s]() to use it instead of calling ide_init_port_hw() directly. [ However if host has > 1 port we must still set hwif->chipset to hint consecutive ide_find_port() call that the previous slot is occupied. ] * Unexport ide_init_port_hw(). v2: * Use defines instead of hard-coded values in buddha.c, gayle.c and q40ide.c. (Suggested by Geert Uytterhoeven) * Better patch description. v3: * Fix build problem in ide-cs.c. (Noticed by Stephen Rothwell) There should be no functional changes caused by this patch. Cc: Geert Uytterhoeven Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-generic.c | 23 ++++++++++++----------- 1 file changed, 12 insertions(+), 11 deletions(-) (limited to 'drivers/ide/ide-generic.c') diff --git a/drivers/ide/ide-generic.c b/drivers/ide/ide-generic.c index 2d92214096ab..bb9fc905d60c 100644 --- a/drivers/ide/ide-generic.c +++ b/drivers/ide/ide-generic.c @@ -31,7 +31,7 @@ static ssize_t store_add(struct class *cls, const char *buf, size_t n) ide_hwif_t *hwif; unsigned int base, ctl; int irq; - hw_regs_t hw; + hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; u8 idx[] = { 0xff, 0xff, 0xff, 0xff }; if (sscanf(buf, "%x:%x:%d", &base, &ctl, &irq) != 3) @@ -46,11 +46,9 @@ static ssize_t store_add(struct class *cls, const char *buf, size_t n) hw.irq = irq; hw.chipset = ide_generic; - ide_init_port_hw(hwif, &hw); - idx[0] = hwif->index; - ide_device_add(idx, NULL); + ide_device_add(idx, NULL, hws); return n; }; @@ -90,6 +88,7 @@ static int __init ide_generic_sysfs_init(void) static int __init ide_generic_init(void) { + hw_regs_t hw[MAX_HWIFS], *hws[MAX_HWIFS]; u8 idx[MAX_HWIFS]; int i; @@ -99,8 +98,8 @@ static int __init ide_generic_init(void) for (i = 0; i < MAX_HWIFS; i++) { ide_hwif_t *hwif; unsigned long io_addr = ide_default_io_base(i); - hw_regs_t hw; + hws[i] = NULL; idx[i] = 0xff; if ((probe_mask & (1 << i)) && io_addr) { @@ -129,17 +128,19 @@ static int __init ide_generic_init(void) continue; } - memset(&hw, 0, sizeof(hw)); - ide_std_init_ports(&hw, io_addr, io_addr + 0x206); - hw.irq = ide_default_irq(io_addr); - hw.chipset = ide_generic; - ide_init_port_hw(hwif, &hw); + hwif->chipset = ide_generic; + + memset(&hw[i], 0, sizeof(hw[i])); + ide_std_init_ports(&hw[i], io_addr, io_addr + 0x206); + hw[i].irq = ide_default_irq(io_addr); + hw[i].chipset = ide_generic; + hws[i] = &hw[i]; idx[i] = i; } } - ide_device_add_all(idx, NULL); + ide_device_add_all(idx, NULL, hws); if (ide_generic_sysfs_init()) printk(KERN_ERR DRV_NAME ": failed to create ide_generic " -- cgit v1.2.2 From edc74b247bedb3a1f80eb6371d4171f2d49c1c77 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Wed, 23 Jul 2008 19:55:56 +0200 Subject: ide-generic: probing fix * Don't skip probing IDE port if the corresponding ide_hwifs[] slot is already occupied. * Remove duplicate idx[i] assignment. Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-generic.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) (limited to 'drivers/ide/ide-generic.c') diff --git a/drivers/ide/ide-generic.c b/drivers/ide/ide-generic.c index bb9fc905d60c..a5c352abff59 100644 --- a/drivers/ide/ide-generic.c +++ b/drivers/ide/ide-generic.c @@ -118,15 +118,9 @@ static int __init ide_generic_init(void) continue; } - /* - * Skip probing if the corresponding - * slot is already occupied. - */ hwif = ide_find_port(); - if (hwif == NULL || hwif->index != i) { - idx[i] = 0xff; + if (hwif == NULL) continue; - } hwif->chipset = ide_generic; -- cgit v1.2.2 From 48c3c1072651922ed153bcf0a33ea82cf20df390 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Wed, 23 Jul 2008 19:55:57 +0200 Subject: ide: add struct ide_host (take 3) * Add struct ide_host which keeps pointers to host's ports. * Add ide_host_alloc[_all]() and ide_host_remove() helpers. * Pass 'struct ide_host *host' instead of 'u8 *idx' to ide_device_add[_all]() and rename it to ide_host_register[_all](). * Convert host drivers and core code to use struct ide_host. * Remove no longer needed ide_find_port(). * Make ide_find_port_slot() static. * Unexport ide_unregister(). v2: * Add missing 'struct ide_host *host' to macide.c. v3: * Fix build problem in pmac.c (s/ide_alloc_host/ide_host_alloc/) (Noticed by Stephen Rothwell). Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-generic.c | 28 +++++++++------------------- 1 file changed, 9 insertions(+), 19 deletions(-) (limited to 'drivers/ide/ide-generic.c') diff --git a/drivers/ide/ide-generic.c b/drivers/ide/ide-generic.c index a5c352abff59..e8818362eb46 100644 --- a/drivers/ide/ide-generic.c +++ b/drivers/ide/ide-generic.c @@ -28,27 +28,24 @@ MODULE_PARM_DESC(probe_mask, "probe mask for legacy ISA IDE ports"); static ssize_t store_add(struct class *cls, const char *buf, size_t n) { - ide_hwif_t *hwif; + struct ide_host *host; unsigned int base, ctl; int irq; hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; - u8 idx[] = { 0xff, 0xff, 0xff, 0xff }; if (sscanf(buf, "%x:%x:%d", &base, &ctl, &irq) != 3) return -EINVAL; - hwif = ide_find_port(); - if (hwif == NULL) - return -ENOENT; - memset(&hw, 0, sizeof(hw)); ide_std_init_ports(&hw, base, ctl); hw.irq = irq; hw.chipset = ide_generic; - idx[0] = hwif->index; + host = ide_host_alloc(NULL, hws); + if (host == NULL) + return -ENOENT; - ide_device_add(idx, NULL, hws); + ide_host_register(host, NULL, hws); return n; }; @@ -89,18 +86,16 @@ static int __init ide_generic_sysfs_init(void) static int __init ide_generic_init(void) { hw_regs_t hw[MAX_HWIFS], *hws[MAX_HWIFS]; - u8 idx[MAX_HWIFS]; + struct ide_host *host; int i; printk(KERN_INFO DRV_NAME ": please use \"probe_mask=0x3f\" module " "parameter for probing all legacy ISA IDE ports\n"); for (i = 0; i < MAX_HWIFS; i++) { - ide_hwif_t *hwif; unsigned long io_addr = ide_default_io_base(i); hws[i] = NULL; - idx[i] = 0xff; if ((probe_mask & (1 << i)) && io_addr) { if (!request_region(io_addr, 8, DRV_NAME)) { @@ -118,23 +113,18 @@ static int __init ide_generic_init(void) continue; } - hwif = ide_find_port(); - if (hwif == NULL) - continue; - - hwif->chipset = ide_generic; - memset(&hw[i], 0, sizeof(hw[i])); ide_std_init_ports(&hw[i], io_addr, io_addr + 0x206); hw[i].irq = ide_default_irq(io_addr); hw[i].chipset = ide_generic; hws[i] = &hw[i]; - idx[i] = i; } } - ide_device_add_all(idx, NULL, hws); + host = ide_host_alloc_all(NULL, hws); + if (host) + ide_host_register(host, NULL, hws); if (ide_generic_sysfs_init()) printk(KERN_ERR DRV_NAME ": failed to create ide_generic " -- cgit v1.2.2 From 6f904d015262dfa43eb1cecc00b0998b4c3543f2 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Wed, 23 Jul 2008 19:55:57 +0200 Subject: ide: add ide_host_add() helper Add ide_host_add() helper which does ide_host_alloc()+ide_host_register(), then convert ide_setup_pci_device[s](), ide_legacy_device_add() and some host drivers to use it. While at it: * Fix ide_setup_pci_device[s](), ide_arm.c, gayle.c, ide-4drives.c, macide.c, q40ide.c, cmd640.c and cs5520.c to return correct error value. * -ENOENT -> -ENOMEM in rapide.c, ide-h8300.c, ide-generic.c, au1xxx-ide.c and pmac.c * -ENODEV -> -ENOMEM in palm_bk3710.c, ide_platform.c and delkin_cb.c * -1 -> -ENOMEM in ide-pnp.c Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-generic.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) (limited to 'drivers/ide/ide-generic.c') diff --git a/drivers/ide/ide-generic.c b/drivers/ide/ide-generic.c index e8818362eb46..a7082c28d06f 100644 --- a/drivers/ide/ide-generic.c +++ b/drivers/ide/ide-generic.c @@ -28,9 +28,8 @@ MODULE_PARM_DESC(probe_mask, "probe mask for legacy ISA IDE ports"); static ssize_t store_add(struct class *cls, const char *buf, size_t n) { - struct ide_host *host; unsigned int base, ctl; - int irq; + int irq, rc; hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; if (sscanf(buf, "%x:%x:%d", &base, &ctl, &irq) != 3) @@ -41,11 +40,9 @@ static ssize_t store_add(struct class *cls, const char *buf, size_t n) hw.irq = irq; hw.chipset = ide_generic; - host = ide_host_alloc(NULL, hws); - if (host == NULL) - return -ENOENT; - - ide_host_register(host, NULL, hws); + rc = ide_host_add(NULL, hws, NULL); + if (rc) + return rc; return n; }; -- cgit v1.2.2 From 8a69580e1ea9516caada5eed202afd39546e9809 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Wed, 23 Jul 2008 19:55:59 +0200 Subject: ide: add ide_host_free() helper (take 2) * Add ide_host_free() helper and convert ide_host_remove() to use it. * Fix handling of ide_host_register() failure in ide_host_add(), icside.c, ide-generic.c, falconide.c and sgiioc4.c. While at it: * Fix handling of ide_host_alloc_all() failure in ide-generic.c. * Fix handling of ide_host_alloc() failure in falconide.c (also return the correct error value if no device is found). v2: * falconide build fix. (From Stephen Rothwell) Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-generic.c | 27 +++++++++++++++++++++++---- 1 file changed, 23 insertions(+), 4 deletions(-) (limited to 'drivers/ide/ide-generic.c') diff --git a/drivers/ide/ide-generic.c b/drivers/ide/ide-generic.c index a7082c28d06f..31d98fec775f 100644 --- a/drivers/ide/ide-generic.c +++ b/drivers/ide/ide-generic.c @@ -84,13 +84,14 @@ static int __init ide_generic_init(void) { hw_regs_t hw[MAX_HWIFS], *hws[MAX_HWIFS]; struct ide_host *host; - int i; + unsigned long io_addr; + int i, rc; printk(KERN_INFO DRV_NAME ": please use \"probe_mask=0x3f\" module " "parameter for probing all legacy ISA IDE ports\n"); for (i = 0; i < MAX_HWIFS; i++) { - unsigned long io_addr = ide_default_io_base(i); + io_addr = ide_default_io_base(i); hws[i] = NULL; @@ -120,14 +121,32 @@ static int __init ide_generic_init(void) } host = ide_host_alloc_all(NULL, hws); - if (host) - ide_host_register(host, NULL, hws); + if (host == NULL) { + rc = -ENOMEM; + goto err; + } + + rc = ide_host_register(host, NULL, hws); + if (rc) + goto err_free; if (ide_generic_sysfs_init()) printk(KERN_ERR DRV_NAME ": failed to create ide_generic " "class\n"); return 0; +err_free: + ide_host_free(host); +err: + for (i = 0; i < MAX_HWIFS; i++) { + if (hws[i] == NULL) + continue; + + io_addr = hws[i]->io_ports.data_addr; + release_region(io_addr + 0x206, 1); + release_region(io_addr, 8); + } + return rc; } module_init(ide_generic_init); -- cgit v1.2.2