diff options
| author | Wim Van Sebroeck <wim@iguana.be> | 2006-02-12 16:47:34 +0100 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@iguana.be> | 2006-04-02 18:39:48 +0200 |
| commit | 2891b6ad188f8cd1407f17e52befb26b7e1f4de1 (patch) | |
| tree | 2d9c4c7d9b2ad89856d935c636f67c6efedbd0ec /drivers/char | |
| parent | 4206f0c4de9f9683676a8507ef56941535761579 (diff) | |
[WATCHDOG] pcwd.c firmware-info patch
Get the firmware version into the private data struct
of the ISA-PC watchdog card.
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/watchdog/pcwd.c | 22 |
1 files changed, 8 insertions, 14 deletions
diff --git a/drivers/char/watchdog/pcwd.c b/drivers/char/watchdog/pcwd.c index c6e27e2f039..3d20241b126 100644 --- a/drivers/char/watchdog/pcwd.c +++ b/drivers/char/watchdog/pcwd.c @@ -146,6 +146,7 @@ static atomic_t open_allowed = ATOMIC_INIT(1); static char expect_close; static int temp_panic; static struct { /* this is private data for each ISA-PC watchdog card */ + char fw_ver_str[6]; /* The cards firmware version */ int revision; /* The card's revision */ int supports_temp; /* Wether or not the card has a temperature device */ int command_mode; /* Wether or not the card is in command mode */ @@ -238,27 +239,22 @@ static inline void pcwd_check_temperature_support(void) pcwd_private.supports_temp = 1; } -static inline char *get_firmware(void) +static inline void pcwd_get_firmware(void) { int one, ten, hund, minor; - char *ret; - ret = kmalloc(6, GFP_KERNEL); - if(ret == NULL) - return NULL; + sprintf(pcwd_private.fw_ver_str, "ERROR"); if (set_command_mode()) { one = send_isa_command(CMD_ISA_VERSION_INTEGER); ten = send_isa_command(CMD_ISA_VERSION_TENTH); hund = send_isa_command(CMD_ISA_VERSION_HUNDRETH); minor = send_isa_command(CMD_ISA_VERSION_MINOR); - sprintf(ret, "%c.%c%c%c", one, ten, hund, minor); + sprintf(pcwd_private.fw_ver_str, "%c.%c%c%c", one, ten, hund, minor); } - else - sprintf(ret, "ERROR"); - unset_command_mode(); - return(ret); + + return; } static inline int pcwd_get_option_switches(void) @@ -276,17 +272,15 @@ static inline int pcwd_get_option_switches(void) static void pcwd_show_card_info(void) { - char *firmware; int option_switches; /* Get some extra info from the hardware (in command/debug/diag mode) */ if (pcwd_private.revision == PCWD_REVISION_A) printk(KERN_INFO PFX "ISA-PC Watchdog (REV.A) detected at port 0x%04x\n", pcwd_private.io_addr); else if (pcwd_private.revision == PCWD_REVISION_C) { - firmware = get_firmware(); + pcwd_get_firmware(); printk(KERN_INFO PFX "ISA-PC Watchdog (REV.C) detected at port 0x%04x (Firmware version: %s)\n", - pcwd_private.io_addr, firmware); - kfree(firmware); + pcwd_private.io_addr, pcwd_private.fw_ver_str); option_switches = pcwd_get_option_switches(); printk(KERN_INFO PFX "Option switches (0x%02x): Temperature Reset Enable=%s, Power On Delay=%s\n", option_switches, |