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author | Wim Van Sebroeck <wim@iguana.be> | 2007-06-03 19:01:38 +0000 |
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committer | Wim Van Sebroeck <wim@iguana.be> | 2007-06-03 19:14:15 +0000 |
commit | 4194db10fab1c9595f12b2846b6799417a8db4dd (patch) | |
tree | 5e0e0f0b3bc4c3165fa02fbeaf40a78262972c3a /drivers/char | |
parent | 63e6e17ead8f918889c63cc361de58a3f71f6115 (diff) | |
download | kernel_samsung_smdk4412-4194db10fab1c9595f12b2846b6799417a8db4dd.zip kernel_samsung_smdk4412-4194db10fab1c9595f12b2846b6799417a8db4dd.tar.gz kernel_samsung_smdk4412-4194db10fab1c9595f12b2846b6799417a8db4dd.tar.bz2 |
[WATCHDOG] Mixcom Watchdog - checkcard
Simplify the mixcomwd_checkcard and flashcom_checkcard
functions to one checkcard function as part of the
port to an isa watchdog device driver.
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Diffstat (limited to 'drivers/char')
-rw-r--r-- | drivers/char/watchdog/mixcomwd.c | 35 |
1 files changed, 11 insertions, 24 deletions
diff --git a/drivers/char/watchdog/mixcomwd.c b/drivers/char/watchdog/mixcomwd.c index b614a5f..17c29cb 100644 --- a/drivers/char/watchdog/mixcomwd.c +++ b/drivers/char/watchdog/mixcomwd.c @@ -217,23 +217,7 @@ static struct miscdevice mixcomwd_miscdev= .fops = &mixcomwd_fops, }; -static int __init mixcomwd_checkcard(int port) -{ - int id; - - if (!request_region(port, 1, "MixCOM watchdog")) { - return 0; - } - - id=inb_p(port) & 0x3f; - if(id!=MIXCOM_ID) { - release_region(port, 1); - return 0; - } - return port; -} - -static int __init flashcom_checkcard(int port) +static int __init checkcard(int port, int card_id) { int id; @@ -242,12 +226,15 @@ static int __init flashcom_checkcard(int port) } id=inb_p(port); - if(id!=FLASHCOM_ID) { + if (card_id==MIXCOM_ID) + id &= 0x3f; + + if (id!=card_id) { release_region(port, 1); return 0; } - return port; - } + return 1; +} static int __init mixcomwd_init(void) { @@ -256,17 +243,17 @@ static int __init mixcomwd_init(void) int found=0; for (i = 0; !found && mixcomwd_ioports[i] != 0; i++) { - watchdog_port = mixcomwd_checkcard(mixcomwd_ioports[i]); - if (watchdog_port) { + if (checkcard(mixcomwd_ioports[i], MIXCOM_ID)) { found = 1; + watchdog_port = mixcomwd_ioports[i]; } } /* The FlashCOM card can be set up at 0x304 -> 0x37c, in 0x8 jumps */ for (i = 0x304; !found && i < 0x380; i+=0x8) { - watchdog_port = flashcom_checkcard(i); - if (watchdog_port) { + if (checkcard(i, FLASHCOM_ID)) { found = 1; + watchdog_port = i; } } |