From patchwork Wed Jan 4 14:16:25 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [2/4] rtc-s3c: make room for more variants in devicetree block Date: Wed, 04 Jan 2012 04:16:25 -0000 From: =?utf-8?q?Heiko_St=C3=BCbner?= X-Patchwork-Id: 134261 Message-Id: <201201041516.26082.heiko@sntech.de> To: Kukjin Kim Cc: Sylwester Nawrocki , ben-linux@fluff.org, a.zummo@towertech.it, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, rtc-linux@googlegroups.com Use the data field of of_device_id to hold the type for s3c_cpu_type. Signed-off-by: Heiko Stuebner Reviewed-by: Thomas Abraham Acked-by: Alessandro Zummo Signed-off-by: Kukjin Kim --- 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 175067a..dc0f65e 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 (int)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 = (void *)TYPE_S3C2410, + }, { + .compatible = "samsung,s3c6410-rtc", + .data = (void *)TYPE_S3C64XX, + }, {}, }; MODULE_DEVICE_TABLE(of, s3c_rtc_dt_match);