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/clk-imx21.c b/arch/arm/mach-imx/clk-imx21.c
index 09fc31c..96a4788 100644
--- a/arch/arm/mach-imx/clk-imx21.c
+++ b/arch/arm/mach-imx/clk-imx21.c
@@ -162,7 +162,7 @@
clk_register_clkdev(clk[lcdc_hclk_gate], "ahb", "imx-fb.0");
clk_register_clkdev(clk[usb_gate], "per", "imx21-hcd.0");
clk_register_clkdev(clk[usb_hclk_gate], "ahb", "imx21-hcd.0");
- clk_register_clkdev(clk[nfc_gate], NULL, "mxc_nand.0");
+ clk_register_clkdev(clk[nfc_gate], NULL, "imx21-nand.0");
clk_register_clkdev(clk[dma_hclk_gate], "ahb", "imx-dma");
clk_register_clkdev(clk[dma_gate], "ipg", "imx-dma");
clk_register_clkdev(clk[wdog_gate], NULL, "imx2-wdt.0");
diff --git a/arch/arm/mach-imx/clk-imx25.c b/arch/arm/mach-imx/clk-imx25.c
index f1d75e7..f0f82f2 100644
--- a/arch/arm/mach-imx/clk-imx25.c
+++ b/arch/arm/mach-imx/clk-imx25.c
@@ -198,7 +198,7 @@
clk_register_clkdev(clk[ipg], "ipg", "fsl-usb2-udc");
clk_register_clkdev(clk[usbotg_ahb], "ahb", "fsl-usb2-udc");
clk_register_clkdev(clk[usb_div], "per", "fsl-usb2-udc");
- clk_register_clkdev(clk[nfc_ipg_per], NULL, "mxc_nand.0");
+ clk_register_clkdev(clk[nfc_ipg_per], NULL, "imx25-nand.0");
/* i.mx25 has the i.mx35 type cspi */
clk_register_clkdev(clk[cspi1_ipg], NULL, "imx35-cspi.0");
clk_register_clkdev(clk[cspi2_ipg], NULL, "imx35-cspi.1");
diff --git a/arch/arm/mach-imx/clk-imx27.c b/arch/arm/mach-imx/clk-imx27.c
index c2f111f..100e38c 100644
--- a/arch/arm/mach-imx/clk-imx27.c
+++ b/arch/arm/mach-imx/clk-imx27.c
@@ -239,7 +239,7 @@
clk_register_clkdev(clk[usb_ahb_gate], "ahb", "mxc-ehci.2");
clk_register_clkdev(clk[ssi1_ipg_gate], NULL, "imx-ssi.0");
clk_register_clkdev(clk[ssi2_ipg_gate], NULL, "imx-ssi.1");
- clk_register_clkdev(clk[nfc_baud_gate], NULL, "mxc_nand.0");
+ clk_register_clkdev(clk[nfc_baud_gate], NULL, "imx27-nand.0");
clk_register_clkdev(clk[vpu_baud_gate], "per", "coda-imx27.0");
clk_register_clkdev(clk[vpu_ahb_gate], "ahb", "coda-imx27.0");
clk_register_clkdev(clk[dma_ahb_gate], "ahb", "imx-dma");
diff --git a/arch/arm/mach-imx/clk-imx31.c b/arch/arm/mach-imx/clk-imx31.c
index 76e6462..729d1a9 100644
--- a/arch/arm/mach-imx/clk-imx31.c
+++ b/arch/arm/mach-imx/clk-imx31.c
@@ -127,7 +127,7 @@
clk_register_clkdev(clk[rtc_gate], NULL, "mxc_rtc");
clk_register_clkdev(clk[epit1_gate], "epit", NULL);
clk_register_clkdev(clk[epit2_gate], "epit", NULL);
- clk_register_clkdev(clk[nfc], NULL, "mxc_nand.0");
+ clk_register_clkdev(clk[nfc], NULL, "imx27-nand.0");
clk_register_clkdev(clk[ipu_gate], NULL, "ipu-core");
clk_register_clkdev(clk[ipu_gate], NULL, "mx3_sdc_fb");
clk_register_clkdev(clk[kpp_gate], NULL, "imx-keypad");
diff --git a/arch/arm/mach-imx/clk-imx35.c b/arch/arm/mach-imx/clk-imx35.c
index ee25812..fec48e6 100644
--- a/arch/arm/mach-imx/clk-imx35.c
+++ b/arch/arm/mach-imx/clk-imx35.c
@@ -256,7 +256,7 @@
clk_register_clkdev(clk[ipg], "ipg", "fsl-usb2-udc");
clk_register_clkdev(clk[usbotg_gate], "ahb", "fsl-usb2-udc");
clk_register_clkdev(clk[wdog_gate], NULL, "imx2-wdt.0");
- clk_register_clkdev(clk[nfc_div], NULL, "mxc_nand.0");
+ clk_register_clkdev(clk[nfc_div], NULL, "imx25-nand.0");
clk_register_clkdev(clk[csi_gate], NULL, "mx3-camera.0");
clk_prepare_enable(clk[spba_gate]);
diff --git a/arch/arm/mach-imx/clk-imx51-imx53.c b/arch/arm/mach-imx/clk-imx51-imx53.c
index 2449d8f..4836b4d 100644
--- a/arch/arm/mach-imx/clk-imx51-imx53.c
+++ b/arch/arm/mach-imx/clk-imx51-imx53.c
@@ -272,7 +272,7 @@
clk_register_clkdev(clk[usboh3_per_gate], "per", "fsl-usb2-udc");
clk_register_clkdev(clk[usboh3_gate], "ipg", "fsl-usb2-udc");
clk_register_clkdev(clk[usboh3_gate], "ahb", "fsl-usb2-udc");
- clk_register_clkdev(clk[nfc_gate], NULL, "mxc_nand");
+ clk_register_clkdev(clk[nfc_gate], NULL, "imx51-nand");
clk_register_clkdev(clk[ssi1_ipg_gate], NULL, "imx-ssi.0");
clk_register_clkdev(clk[ssi2_ipg_gate], NULL, "imx-ssi.1");
clk_register_clkdev(clk[ssi3_ipg_gate], NULL, "imx-ssi.2");
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));
}
diff --git a/arch/arm/mach-imx/imx27-dt.c b/arch/arm/mach-imx/imx27-dt.c
index 43fbf86..a6c288e 100644
--- a/arch/arm/mach-imx/imx27-dt.c
+++ b/arch/arm/mach-imx/imx27-dt.c
@@ -29,7 +29,7 @@
OF_DEV_AUXDATA("fsl,imx27-cspi", MX27_CSPI2_BASE_ADDR, "imx27-cspi.1", NULL),
OF_DEV_AUXDATA("fsl,imx27-cspi", MX27_CSPI3_BASE_ADDR, "imx27-cspi.2", NULL),
OF_DEV_AUXDATA("fsl,imx27-wdt", MX27_WDOG_BASE_ADDR, "imx2-wdt.0", NULL),
- OF_DEV_AUXDATA("fsl,imx27-nand", MX27_NFC_BASE_ADDR, "mxc_nand.0", NULL),
+ OF_DEV_AUXDATA("fsl,imx27-nand", MX27_NFC_BASE_ADDR, "imx27-nand.0", NULL),
{ /* sentinel */ }
};