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rtc-s3c: make room for more variants in devicetree block 

Use the data field of of_device_id to hold the type for
s3c_cpu_type.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This commit is contained in:
Heiko Stuebner 2011-12-24 10:52:14 +09:00 committed by Kukjin Kim
parent a51da0444c
commit d2524caac3
1 changed files with 22 additions and 9 deletions
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31
drivers/rtc/rtc-s3c.c
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@ -428,6 +428,20 @@ static int __devexit s3c_rtc_remove(struct platform_device *dev)
return 0;
}
static const struct of_device_id s3c_rtc_dt_match[];
static inline int s3c_rtc_get_driver_data(struct platform_device *pdev)
{
#ifdef CONFIG_OF
if (pdev->dev.of_node) {
const struct of_device_id *match;
match = of_match_node(s3c_rtc_dt_match, pdev->dev.of_node);
return match->data;
}
#endif
return platform_get_device_id(pdev)->driver_data;
}
static int __devinit s3c_rtc_probe(struct platform_device *pdev)
{
struct rtc_device *rtc;
@ -508,13 +522,7 @@ static int __devinit s3c_rtc_probe(struct platform_device *pdev)
goto err_nortc;
}
#ifdef CONFIG_OF
if (pdev->dev.of_node)
s3c_rtc_cpu_type = of_device_is_compatible(pdev->dev.of_node,
"samsung,s3c6410-rtc") ? TYPE_S3C64XX : TYPE_S3C2410;
else
#endif
s3c_rtc_cpu_type = platform_get_device_id(pdev)->driver_data;
s3c_rtc_cpu_type = s3c_rtc_get_driver_data(pdev);
/* Check RTC Time */
@ -638,8 +646,13 @@ static int s3c_rtc_resume(struct platform_device *pdev)
#ifdef CONFIG_OF
static const struct of_device_id s3c_rtc_dt_match[] = {
{ .compatible = "samsung,s3c2410-rtc" },
{ .compatible = "samsung,s3c6410-rtc" },
{
.compatible = "samsung,s3c2410-rtc"
.data = TYPE_S3C2410,
}, {
.compatible = "samsung,s3c6410-rtc"
.data = TYPE_S3C64XX,
},
{},
};
MODULE_DEVICE_TABLE(of, s3c_rtc_dt_match);