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| author | Naga Chumbalkar <nagananda.chumbalkar@hp.com> | 2010-02-09 00:42:02 +0100 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@iguana.be> | 2010-03-06 15:12:55 +0000 |
| commit | ec26985be4a22652c323f264cf570e4fbe3610b6 (patch) | |
| tree | 1969f8a1b44095c94bd5aa0efc929309eb1755f3 /drivers/watchdog | |
| parent | f538ed9ea0a54ba2121f35f52d63e4025c534909 (diff) | |
| download | kernel_samsung_smdk4412-ec26985be4a22652c323f264cf570e4fbe3610b6.zip kernel_samsung_smdk4412-ec26985be4a22652c323f264cf570e4fbe3610b6.tar.gz kernel_samsung_smdk4412-ec26985be4a22652c323f264cf570e4fbe3610b6.tar.bz2 | |
[WATCHDOG] iTCO_wdt: clean up probe(), modify err msg
It's possible that the platform is not allowing reboot via TCO timer
expiration.
Also, differentiate between not finding a chipset that has TCO, and the case
where TCO is present but the driver fails to initialize for some reason.
Signed-off-by: Naga Chumbalkar <nagananda.chumbalkar@hp.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Diffstat (limited to 'drivers/watchdog')
| -rw-r--r-- | drivers/watchdog/iTCO_wdt.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/drivers/watchdog/iTCO_wdt.c b/drivers/watchdog/iTCO_wdt.c index 4bdb7f1..a619b9b 100644 --- a/drivers/watchdog/iTCO_wdt.c +++ b/drivers/watchdog/iTCO_wdt.c @@ -698,7 +698,7 @@ static int __devinit iTCO_wdt_init(struct pci_dev *pdev, if (iTCO_wdt_private.iTCO_version == 2) { pci_read_config_dword(pdev, 0xf0, &base_address); if ((base_address & 1) == 0) { - printk(KERN_ERR PFX "RCBA is disabled by harddware\n"); + printk(KERN_ERR PFX "RCBA is disabled by hardware\n"); ret = -ENODEV; goto out; } @@ -708,8 +708,8 @@ static int __devinit iTCO_wdt_init(struct pci_dev *pdev, /* Check chipset's NO_REBOOT bit */ if (iTCO_wdt_unset_NO_REBOOT_bit() && iTCO_vendor_check_noreboot_on()) { - printk(KERN_ERR PFX "failed to reset NO_REBOOT flag, " - "reboot disabled by hardware\n"); + printk(KERN_INFO PFX "unable to reset NO_REBOOT flag, " + "platform may have disabled it\n"); ret = -ENODEV; /* Cannot reset NO_REBOOT bit */ goto out_unmap; } @@ -805,6 +805,7 @@ static void __devexit iTCO_wdt_cleanup(void) static int __devinit iTCO_wdt_probe(struct platform_device *dev) { + int ret = -ENODEV; int found = 0; struct pci_dev *pdev = NULL; const struct pci_device_id *ent; @@ -814,19 +815,17 @@ static int __devinit iTCO_wdt_probe(struct platform_device *dev) for_each_pci_dev(pdev) { ent = pci_match_id(iTCO_wdt_pci_tbl, pdev); if (ent) { - if (!(iTCO_wdt_init(pdev, ent, dev))) { - found++; + found++; + ret = iTCO_wdt_init(pdev, ent, dev); + if (!ret) break; - } } } - if (!found) { + if (!found) printk(KERN_INFO PFX "No card detected\n"); - return -ENODEV; - } - return 0; + return ret; } static int __devexit iTCO_wdt_remove(struct platform_device *dev) |