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watchdog: iTCO_wdt: Make use of the helper function devm_platform_ioremap_resource()

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Use the devm_platform_ioremap_resource() helper instead of
calling platform_get_resource() and devm_ioremap_resource()
separately

Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20210907074230.2757-1-caihuoqing@baidu.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
This commit is contained in:
Cai Huoqing 2021-09-07 15:42:29 +08:00 committed by Wim Van Sebroeck
parent 54ccba2f6a
commit 79cc4d22aa
1 changed files with 1 additions and 5 deletions
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6
drivers/watchdog/iTCO_wdt.c
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@ -94,7 +94,6 @@ struct iTCO_wdt_private {
* NO_REBOOT flag is Memory-Mapped GCS register bit 5 (TCO version 2),
* or memory-mapped PMC register bit 4 (TCO version 3).
*/
struct resource *gcs_pmc_res;
unsigned long __iomem *gcs_pmc;
/* the lock for io operations */
spinlock_t io_lock;
@ -497,10 +496,7 @@ static int iTCO_wdt_probe(struct platform_device *pdev)
*/
if (p->iTCO_version >= 2 && p->iTCO_version < 6 &&
!pdata->no_reboot_use_pmc) {
p->gcs_pmc_res = platform_get_resource(pdev,
IORESOURCE_MEM,
ICH_RES_MEM_GCS_PMC);
p->gcs_pmc = devm_ioremap_resource(dev, p->gcs_pmc_res);
p->gcs_pmc = devm_platform_ioremap_resource(pdev, ICH_RES_MEM_GCS_PMC);
if (IS_ERR(p->gcs_pmc))
return PTR_ERR(p->gcs_pmc);
}