diff options
| author |   Heiko Stuebner <heiko@sntech.de> | 2011-12-24 10:52:14 +0900 |
|---|---|---|
| committer |   Kukjin Kim <kgene.kim@samsung.com> | 2012-02-07 08:03:42 +0900 |
| commit | d2524caac3e14af0b95bb428084e0ef355514c2f (patch) | |
| tree | 6c3b6d7f33aa9d718cd59a600d8bb3c2b0fe013f /drivers/rtc/rtc-s3c.c | |
| parent | ARM: SAMSUNG: cleanup of rtc register definitions (diff) | |
| download | linux-dev-d2524caac3e14af0b95bb428084e0ef355514c2f.tar.xz linux-dev-d2524caac3e14af0b95bb428084e0ef355514c2f.zip | |
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>
Diffstat (limited to 'drivers/rtc/rtc-s3c.c')
| -rw-r--r-- | drivers/rtc/rtc-s3c.c | 31 |
1 files changed, 22 insertions, 9 deletions
diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c index aef40bd2957b..a6f95fb74dd2 100644 --- a/drivers/rtc/rtc-s3c.c +++ b/drivers/rtc/rtc-s3c.c @@ -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); |