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[WATCHDOG] pcwd.c firmware-info patch

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Get the firmware version into the private data struct
of the ISA-PC watchdog card.

Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
This commit is contained in:
Wim Van Sebroeck 2006-02-12 16:47:34 +01:00
parent 4206f0c4de
commit 2891b6ad18
1 changed files with 8 additions and 14 deletions
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22
drivers/char/watchdog/pcwd.c
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@ -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,