rtc: mxc_rtc: remove cpu_is_xxx by using platform_device_id

It changes the driver to use platform_device_id rather than cpu_is_xxx
to determine the controller type, and updates the platform code
accordingly.

As the result, mach/hardware.h inclusion gets removed from the driver.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: rtc-linux@googlegroups.com

5 files changed, 9 insertions, 7 deletions

diff --git a/arch/arm/mach-imx/clk-imx1.c b/arch/arm/mach-imx/clk-imx1.c
index 1982388..1cc7a73 100644
--- a/arch/arm/mach-imx/clk-imx1.c
+++ b/arch/arm/mach-imx/clk-imx1.c
@@ -106,7 +106,7 @@ int __init mx1_clocks_init(unsigned long fref)
 	clk_register_clkdev(clk[dummy], "ahb", "imx-fb.0");
 	clk_register_clkdev(clk[hclk], "mshc", NULL);
 	clk_register_clkdev(clk[per3], "ssi", NULL);
-	clk_register_clkdev(clk[clk32], NULL, "mxc_rtc.0");
+	clk_register_clkdev(clk[clk32], NULL, "imx1-rtc.0");
 	clk_register_clkdev(clk[clko], "clko", NULL);
 
 	mxc_timer_init(MX1_IO_ADDRESS(MX1_TIM1_BASE_ADDR), MX1_TIM1_INT);
diff --git a/arch/arm/mach-imx/clk-imx27.c b/arch/arm/mach-imx/clk-imx27.c
index 100e38c..86a0c42 100644
--- a/arch/arm/mach-imx/clk-imx27.c
+++ b/arch/arm/mach-imx/clk-imx27.c
@@ -259,7 +259,7 @@ int __init mx27_clocks_init(unsigned long fref)
 	clk_register_clkdev(clk[gpio_ipg_gate], "gpio", NULL);
 	clk_register_clkdev(clk[brom_ahb_gate], "brom", NULL);
 	clk_register_clkdev(clk[ata_ahb_gate], "ata", NULL);
-	clk_register_clkdev(clk[rtc_ipg_gate], NULL, "mxc_rtc");
+	clk_register_clkdev(clk[rtc_ipg_gate], NULL, "imx21-rtc");
 	clk_register_clkdev(clk[scc_ipg_gate], "scc", NULL);
 	clk_register_clkdev(clk[cpu_div], "cpu", NULL);
 	clk_register_clkdev(clk[emi_ahb_gate], "emi_ahb" , NULL);
diff --git a/arch/arm/mach-imx/clk-imx31.c b/arch/arm/mach-imx/clk-imx31.c
index 729d1a9..d9ff16e 100644
--- a/arch/arm/mach-imx/clk-imx31.c
+++ b/arch/arm/mach-imx/clk-imx31.c
@@ -124,7 +124,7 @@ int __init mx31_clocks_init(unsigned long fref)
 	clk_register_clkdev(clk[cspi3_gate], NULL, "imx31-cspi.2");
 	clk_register_clkdev(clk[pwm_gate], "pwm", NULL);
 	clk_register_clkdev(clk[wdog_gate], NULL, "imx2-wdt.0");
-	clk_register_clkdev(clk[rtc_gate], NULL, "mxc_rtc");
+	clk_register_clkdev(clk[rtc_gate], NULL, "imx21-rtc");
 	clk_register_clkdev(clk[epit1_gate], "epit", NULL);
 	clk_register_clkdev(clk[epit2_gate], "epit", NULL);
 	clk_register_clkdev(clk[nfc], NULL, "imx27-nand.0");
diff --git a/arch/arm/mach-imx/devices/devices-common.h b/arch/arm/mach-imx/devices/devices-common.h
index 30a842f..1472f0f 100644
--- a/arch/arm/mach-imx/devices/devices-common.h
+++ b/arch/arm/mach-imx/devices/devices-common.h
@@ -292,6 +292,7 @@ struct platform_device *__init imx_add_mxc_pwm(
 
 /* mxc_rtc */
 struct imx_mxc_rtc_data {
+	const char *devid;
 	resource_size_t iobase;
 	resource_size_t irq;
 };
diff --git a/arch/arm/mach-imx/devices/platform-mxc_rtc.c b/arch/arm/mach-imx/devices/platform-mxc_rtc.c
index daaf979..f35f848 100644
--- a/arch/arm/mach-imx/devices/platform-mxc_rtc.c
+++ b/arch/arm/mach-imx/devices/platform-mxc_rtc.c
@@ -9,20 +9,21 @@
 #include <mach/hardware.h>
 #include "devices-common.h"
 
-#define imx_mxc_rtc_data_entry_single(soc)				\
+#define imx_mxc_rtc_data_entry_single(soc, _devid)			\
 	{								\
+		.devid = _devid,					\
 		.iobase = soc ## _RTC_BASE_ADDR,			\
 		.irq = soc ## _INT_RTC,					\
 	}
 
 #ifdef CONFIG_SOC_IMX31
 const struct imx_mxc_rtc_data imx31_mxc_rtc_data __initconst =
-	imx_mxc_rtc_data_entry_single(MX31);
+	imx_mxc_rtc_data_entry_single(MX31, "imx21-rtc");
 #endif /* ifdef CONFIG_SOC_IMX31 */
 
 #ifdef CONFIG_SOC_IMX35
 const struct imx_mxc_rtc_data imx35_mxc_rtc_data __initconst =
-	imx_mxc_rtc_data_entry_single(MX35);
+	imx_mxc_rtc_data_entry_single(MX35, "imx21-rtc");
 #endif /* ifdef CONFIG_SOC_IMX35 */
 
 struct platform_device *__init imx_add_mxc_rtc(
@@ -40,6 +41,6 @@ struct platform_device *__init imx_add_mxc_rtc(
 		},
 	};
 
-	return imx_add_platform_device("mxc_rtc", -1,
+	return imx_add_platform_device(data->devid, -1,
 			res, ARRAY_SIZE(res), NULL, 0);
 }