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authorShawn Guo <shawn.guo@linaro.org>2011-06-30 09:24:26 +0800
committerShawn Guo <shawn.guo@linaro.org>2011-07-27 09:31:27 +0800
commit57ed3314e0bfa90ea63c63b8d3038814e9d98a20 (patch)
treece82f977d851c5cb2b0d6c28da0ef7270f3be848 /drivers/mmc/host/sdhci-esdhc-imx.c
parent842afc02cf04f0474392b4c5efd808996a804fa6 (diff)
downloadvexpress-lsk-57ed3314e0bfa90ea63c63b8d3038814e9d98a20.tar.gz
mmc: sdhci-esdhc-imx: get rid of the uses of cpu_is_mx()
The patch removes all the uses of cpu_is_mx(). Instead, it utilizes platform_device_id to distinguish the esdhc differences among SoCs. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Cc: Wolfram Sang <w.sang@pengutronix.de> Cc: Chris Ball <cjb@laptop.org> Acked-by: Grant Likely <grant.likely@secretlab.ca> Acked-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'drivers/mmc/host/sdhci-esdhc-imx.c')
-rw-r--r--drivers/mmc/host/sdhci-esdhc-imx.c57
1 files changed, 53 insertions, 4 deletions
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index 58fc6533d25..a0d0da4d9bc 100644
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -20,7 +20,6 @@
#include <linux/mmc/host.h>
#include <linux/mmc/mmc.h>
#include <linux/mmc/sdio.h>
-#include <mach/hardware.h>
#include <mach/esdhc.h>
#include "sdhci-pltfm.h"
#include "sdhci-esdhc.h"
@@ -42,12 +41,59 @@
*/
#define ESDHC_FLAG_MULTIBLK_NO_INT (1 << 1)
+enum imx_esdhc_type {
+ IMX25_ESDHC,
+ IMX35_ESDHC,
+ IMX51_ESDHC,
+ IMX53_ESDHC,
+};
+
struct pltfm_imx_data {
int flags;
u32 scratchpad;
+ enum imx_esdhc_type devtype;
struct esdhc_platform_data boarddata;
};
+static struct platform_device_id imx_esdhc_devtype[] = {
+ {
+ .name = "sdhci-esdhc-imx25",
+ .driver_data = IMX25_ESDHC,
+ }, {
+ .name = "sdhci-esdhc-imx35",
+ .driver_data = IMX35_ESDHC,
+ }, {
+ .name = "sdhci-esdhc-imx51",
+ .driver_data = IMX51_ESDHC,
+ }, {
+ .name = "sdhci-esdhc-imx53",
+ .driver_data = IMX53_ESDHC,
+ }, {
+ /* sentinel */
+ }
+};
+MODULE_DEVICE_TABLE(platform, imx_esdhc_devtype);
+
+static inline int is_imx25_esdhc(struct pltfm_imx_data *data)
+{
+ return data->devtype == IMX25_ESDHC;
+}
+
+static inline int is_imx35_esdhc(struct pltfm_imx_data *data)
+{
+ return data->devtype == IMX35_ESDHC;
+}
+
+static inline int is_imx51_esdhc(struct pltfm_imx_data *data)
+{
+ return data->devtype == IMX51_ESDHC;
+}
+
+static inline int is_imx53_esdhc(struct pltfm_imx_data *data)
+{
+ return data->devtype == IMX53_ESDHC;
+}
+
static inline void esdhc_clrset_le(struct sdhci_host *host, u32 mask, u32 val, int reg)
{
void __iomem *base = host->ioaddr + (reg & ~0x3);
@@ -262,6 +308,8 @@ static int __devinit sdhci_esdhc_imx_probe(struct platform_device *pdev)
imx_data = kzalloc(sizeof(struct pltfm_imx_data), GFP_KERNEL);
if (!imx_data)
return -ENOMEM;
+
+ imx_data->devtype = pdev->id_entry->driver_data;
pltfm_host->priv = imx_data;
clk = clk_get(mmc_dev(host->mmc), NULL);
@@ -273,14 +321,14 @@ static int __devinit sdhci_esdhc_imx_probe(struct platform_device *pdev)
clk_enable(clk);
pltfm_host->clk = clk;
- if (!cpu_is_mx25())
+ if (!is_imx25_esdhc(imx_data))
host->quirks |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL;
- if (cpu_is_mx25() || cpu_is_mx35())
+ if (is_imx25_esdhc(imx_data) || is_imx35_esdhc(imx_data))
/* Fix errata ENGcm07207 present on i.MX25 and i.MX35 */
host->quirks |= SDHCI_QUIRK_NO_MULTIBLOCK;
- if (!(cpu_is_mx25() || cpu_is_mx35() || cpu_is_mx51()))
+ if (is_imx53_esdhc(imx_data))
imx_data->flags |= ESDHC_FLAG_MULTIBLK_NO_INT;
if (!host->mmc->parent->platform_data) {
@@ -395,6 +443,7 @@ static struct platform_driver sdhci_esdhc_imx_driver = {
.name = "sdhci-esdhc-imx",
.owner = THIS_MODULE,
},
+ .id_table = imx_esdhc_devtype,
.probe = sdhci_esdhc_imx_probe,
.remove = __devexit_p(sdhci_esdhc_imx_remove),
#ifdef CONFIG_PM