mtd: mxc_nand: 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: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Cc: linux-mtd@lists.infradead.org
diff --git a/arch/arm/mach-imx/devices/devices-common.h b/arch/arm/mach-imx/devices/devices-common.h
index 86bf34c..30a842f 100644
--- a/arch/arm/mach-imx/devices/devices-common.h
+++ b/arch/arm/mach-imx/devices/devices-common.h
@@ -257,6 +257,7 @@
#include <linux/platform_data/mtd-mxc_nand.h>
struct imx_mxc_nand_data {
+ const char *devid;
/*
* id is traditionally 0, but -1 is more appropriate. We use -1 for new
* machines but don't change existing devices as the nand device usually
diff --git a/arch/arm/mach-imx/devices/platform-mxc_nand.c b/arch/arm/mach-imx/devices/platform-mxc_nand.c
index 54b1d02..24aaad1 100644
--- a/arch/arm/mach-imx/devices/platform-mxc_nand.c
+++ b/arch/arm/mach-imx/devices/platform-mxc_nand.c
@@ -10,15 +10,17 @@
#include <mach/hardware.h>
#include "devices-common.h"
-#define imx_mxc_nand_data_entry_single(soc, _size) \
+#define imx_mxc_nand_data_entry_single(soc, _devid, _size) \
{ \
+ .devid = _devid, \
.iobase = soc ## _NFC_BASE_ADDR, \
.iosize = _size, \
.irq = soc ## _INT_NFC \
}
-#define imx_mxc_nandv3_data_entry_single(soc, _size) \
+#define imx_mxc_nandv3_data_entry_single(soc, _devid, _size) \
{ \
+ .devid = _devid, \
.id = -1, \
.iobase = soc ## _NFC_BASE_ADDR, \
.iosize = _size, \
@@ -28,32 +30,32 @@
#ifdef CONFIG_SOC_IMX21
const struct imx_mxc_nand_data imx21_mxc_nand_data __initconst =
- imx_mxc_nand_data_entry_single(MX21, SZ_4K);
+ imx_mxc_nand_data_entry_single(MX21, "imx21-nand", SZ_4K);
#endif /* ifdef CONFIG_SOC_IMX21 */
#ifdef CONFIG_SOC_IMX25
const struct imx_mxc_nand_data imx25_mxc_nand_data __initconst =
- imx_mxc_nand_data_entry_single(MX25, SZ_8K);
+ imx_mxc_nand_data_entry_single(MX25, "imx25-nand", SZ_8K);
#endif /* ifdef CONFIG_SOC_IMX25 */
#ifdef CONFIG_SOC_IMX27
const struct imx_mxc_nand_data imx27_mxc_nand_data __initconst =
- imx_mxc_nand_data_entry_single(MX27, SZ_4K);
+ imx_mxc_nand_data_entry_single(MX27, "imx27-nand", SZ_4K);
#endif /* ifdef CONFIG_SOC_IMX27 */
#ifdef CONFIG_SOC_IMX31
const struct imx_mxc_nand_data imx31_mxc_nand_data __initconst =
- imx_mxc_nand_data_entry_single(MX31, SZ_4K);
+ imx_mxc_nand_data_entry_single(MX31, "imx27-nand", SZ_4K);
#endif
#ifdef CONFIG_SOC_IMX35
const struct imx_mxc_nand_data imx35_mxc_nand_data __initconst =
- imx_mxc_nand_data_entry_single(MX35, SZ_8K);
+ imx_mxc_nand_data_entry_single(MX35, "imx25-nand", SZ_8K);
#endif
#ifdef CONFIG_SOC_IMX51
const struct imx_mxc_nand_data imx51_mxc_nand_data __initconst =
- imx_mxc_nandv3_data_entry_single(MX51, SZ_16K);
+ imx_mxc_nandv3_data_entry_single(MX51, "imx51-nand", SZ_16K);
#endif
struct platform_device *__init imx_add_mxc_nand(
@@ -76,7 +78,7 @@
.flags = IORESOURCE_MEM,
},
};
- return imx_add_platform_device("mxc_nand", data->id,
+ return imx_add_platform_device(data->devid, data->id,
res, ARRAY_SIZE(res) - !data->axibase,
pdata, sizeof(*pdata));
}