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mmc: sdhci-esdhc-imx: get rid of the uses of cpu_is_mx()

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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>
This commit is contained in:
Shawn Guo
2011-06-30 09:24:26 +08:00
parent 842afc02cf
commit 57ed3314e0
7 changed files with 78 additions and 27 deletions
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57
drivers/mmc/host/sdhci-esdhc-imx.c
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@@ -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