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Date: Sat, 29 Jul 2006 15:50:16 -0400 From: Jiri Slaby <jirislaby@...il.com> To: Andrew Morton <akpm@...l.org> Cc: Greg KH <greg@...ah.com> Subject: [PATCH -repost] Watchdog: alim remove pci_find_device Watchdog: alim remove pci_find_device Convert pci_find_device to pci_get_device + pci_dev_put in alim watchdog cards' drivers (refcounting). Signed-off-by: Jiri Slaby <jirislaby@...il.com> --- commit 001c77888611f9f4d7cb8db8ba002364f69b1c3f tree 02532fced9500ec5cd7cbf0238ff9b267adab046 parent fd2ffd531f4fefc2235a4c27614abda74078ef94 author Jiri Slaby <ku@...lona.localdomain> Tue, 18 Jul 2006 18:29:00 +0159 committer Jiri Slaby <ku@...lona.localdomain> Tue, 18 Jul 2006 18:29:00 +0159 drivers/char/watchdog/alim1535_wdt.c | 10 +++++++--- drivers/char/watchdog/alim7101_wdt.c | 15 ++++++++++----- 2 files changed, 17 insertions(+), 8 deletions(-) diff --git a/drivers/char/watchdog/alim1535_wdt.c b/drivers/char/watchdog/alim1535_wdt.c index c5c94e4..0b2c8e8 100644 --- a/drivers/char/watchdog/alim1535_wdt.c +++ b/drivers/char/watchdog/alim1535_wdt.c @@ -330,17 +330,20 @@ static int __init ali_find_watchdog(void u32 wdog; /* Check for a 1535 series bridge */ - pdev = pci_find_device(PCI_VENDOR_ID_AL, 0x1535, NULL); + pdev = pci_get_device(PCI_VENDOR_ID_AL, 0x1535, NULL); if(pdev == NULL) return -ENODEV; + pci_dev_put(pdev); /* Check for the a 7101 PMU */ - pdev = pci_find_device(PCI_VENDOR_ID_AL, 0x7101, NULL); + pdev = pci_get_device(PCI_VENDOR_ID_AL, 0x7101, NULL); if(pdev == NULL) return -ENODEV; - if(pci_enable_device(pdev)) + if(pci_enable_device(pdev)) { + pci_dev_put(pdev); return -EIO; + } ali_pci = pdev; @@ -447,6 +450,7 @@ static void __exit watchdog_exit(void) /* Deregister */ unregister_reboot_notifier(&ali_notifier); misc_deregister(&ali_miscdev); + pci_dev_put(ali_pci); } module_init(watchdog_init); diff --git a/drivers/char/watchdog/alim7101_wdt.c b/drivers/char/watchdog/alim7101_wdt.c index ffd7684..383f9bf 100644 --- a/drivers/char/watchdog/alim7101_wdt.c +++ b/drivers/char/watchdog/alim7101_wdt.c @@ -333,6 +333,7 @@ static void __exit alim7101_wdt_unload(v /* Deregister */ misc_deregister(&wdt_miscdev); unregister_reboot_notifier(&wdt_notifier); + pci_dev_put(alim7101_pmu); } static int __init alim7101_wdt_init(void) @@ -342,7 +343,8 @@ static int __init alim7101_wdt_init(void char tmp; printk(KERN_INFO PFX "Steve Hill <steve@...aho.co.uk>.\n"); - alim7101_pmu = pci_find_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M7101,NULL); + alim7101_pmu = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M7101, + NULL); if (!alim7101_pmu) { printk(KERN_INFO PFX "ALi M7101 PMU not present - WDT not set\n"); return -EBUSY; @@ -351,21 +353,23 @@ static int __init alim7101_wdt_init(void /* Set the WDT in the PMU to 1 second */ pci_write_config_byte(alim7101_pmu, ALI_7101_WDT, 0x02); - ali1543_south = pci_find_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, NULL); + ali1543_south = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, + NULL); if (!ali1543_south) { printk(KERN_INFO PFX "ALi 1543 South-Bridge not present - WDT not set\n"); - return -EBUSY; + goto err_out; } pci_read_config_byte(ali1543_south, 0x5e, &tmp); + pci_dev_put(ali1543_south); if ((tmp & 0x1e) == 0x00) { if (!use_gpio) { printk(KERN_INFO PFX "Detected old alim7101 revision 'a1d'. If this is a cobalt board, set the 'use_gpio' module parameter.\n"); - return -EBUSY; + goto err_out; } nowayout = 1; } else if ((tmp & 0x1e) != 0x12 && (tmp & 0x1e) != 0x00) { printk(KERN_INFO PFX "ALi 1543 South-Bridge does not have the correct revision number (???1001?) - WDT not set\n"); - return -EBUSY; + goto err_out; } if(timeout < 1 || timeout > 3600) /* arbitrary upper limit */ @@ -404,6 +408,7 @@ static int __init alim7101_wdt_init(void err_out_miscdev: misc_deregister(&wdt_miscdev); err_out: + pci_dev_put(alim7101_pmu); return rc; } - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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