[WATCHDOG] sbc_fitpc2_wdt: fix I/O space access technique.

The mdelay function was used between I/O access commands, that causes peak
in CPU usage. Fix it by substitution mdelay to msleep.

Expand usage on fitPC2 compatible boards according to DMI identification.

Signed-off-by: Denis Turischev <denis@compulab.co.il>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

1 files changed, 5 insertions, 6 deletions

diff --git a/drivers/watchdog/sbc_fitpc2_wdt.c b/drivers/watchdog/sbc_fitpc2_wdt.c
index 91430a89107c..e6763d2a567b 100644
--- a/drivers/watchdog/sbc_fitpc2_wdt.c
+++ b/drivers/watchdog/sbc_fitpc2_wdt.c
@@ -46,9 +46,9 @@ static DEFINE_SPINLOCK(wdt_lock);
 static void wdt_send_data(unsigned char command, unsigned char data)
 {
         outb(command, COMMAND_PORT);
-        mdelay(100);
+        msleep(100);
         outb(data, DATA_PORT);
-        mdelay(200);
+        msleep(200);
 }
 
 static void wdt_enable(void)
@@ -202,11 +202,10 @@ static int __init fitpc2_wdt_init(void)
 {
         int err;
 
-        if (strcmp("SBC-FITPC2", dmi_get_system_info(DMI_BOARD_NAME))) {
-                pr_info("board name is: %s. Should be SBC-FITPC2\n",
-                        dmi_get_system_info(DMI_BOARD_NAME));
+        if (!strstr(dmi_get_system_info(DMI_BOARD_NAME), "SBC-FITPC2"))
                 return -ENODEV;
-        }
+
+        pr_info("%s found\n", dmi_get_system_info(DMI_BOARD_NAME));
 
         if (!request_region(COMMAND_PORT, 1, WATCHDOG_NAME)) {
                 pr_err("I/O address 0x%04x already in use\n", COMMAND_PORT);