aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/mmc/host/mxcmmc.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/mmc/host/mxcmmc.c')
-rw-r--r--drivers/mmc/host/mxcmmc.c31
1 files changed, 29 insertions, 2 deletions
diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c
index 6290b7f1ccfe..477f63bad521 100644
--- a/drivers/mmc/host/mxcmmc.c
+++ b/drivers/mmc/host/mxcmmc.c
@@ -41,7 +41,6 @@
#include <linux/platform_data/mmc-mxcmmc.h>
#include <linux/platform_data/dma-imx.h>
-#include <mach/hardware.h>
#define DRIVER_NAME "mxc-mmc"
#define MXCMCI_TIMEOUT_MS 10000
@@ -113,6 +112,11 @@
#define INT_WRITE_OP_DONE_EN (1 << 1)
#define INT_READ_OP_EN (1 << 0)
+enum mxcmci_type {
+ IMX21_MMC,
+ IMX31_MMC,
+};
+
struct mxcmci_host {
struct mmc_host *mmc;
struct resource *res;
@@ -153,7 +157,26 @@ struct mxcmci_host {
struct imx_dma_data dma_data;
struct timer_list watchdog;
+ enum mxcmci_type devtype;
+};
+
+static struct platform_device_id mxcmci_devtype[] = {
+ {
+ .name = "imx21-mmc",
+ .driver_data = IMX21_MMC,
+ }, {
+ .name = "imx31-mmc",
+ .driver_data = IMX31_MMC,
+ }, {
+ /* sentinel */
+ }
};
+MODULE_DEVICE_TABLE(platform, mxcmci_devtype);
+
+static inline int is_imx31_mmc(struct mxcmci_host *host)
+{
+ return host->devtype == IMX31_MMC;
+}
static void mxcmci_set_clk_rate(struct mxcmci_host *host, unsigned int clk_ios);
@@ -843,6 +866,8 @@ static void mxcmci_enable_sdio_irq(struct mmc_host *mmc, int enable)
static void mxcmci_init_card(struct mmc_host *host, struct mmc_card *card)
{
+ struct mxcmci_host *mxcmci = mmc_priv(host);
+
/*
* MX3 SoCs have a silicon bug which corrupts CRC calculation of
* multi-block transfers when connected SDIO peripheral doesn't
@@ -850,7 +875,7 @@ static void mxcmci_init_card(struct mmc_host *host, struct mmc_card *card)
* One way to prevent this is to only allow 1-bit transfers.
*/
- if (cpu_is_mx3() && card->type == MMC_TYPE_SDIO)
+ if (is_imx31_mmc(mxcmci) && card->type == MMC_TYPE_SDIO)
host->caps &= ~MMC_CAP_4_BIT_DATA;
else
host->caps |= MMC_CAP_4_BIT_DATA;
@@ -948,6 +973,7 @@ static int mxcmci_probe(struct platform_device *pdev)
host->mmc = mmc;
host->pdata = pdev->dev.platform_data;
+ host->devtype = pdev->id_entry->driver_data;
spin_lock_init(&host->lock);
mxcmci_init_ocr(host);
@@ -1120,6 +1146,7 @@ static const struct dev_pm_ops mxcmci_pm_ops = {
static struct platform_driver mxcmci_driver = {
.probe = mxcmci_probe,
.remove = mxcmci_remove,
+ .id_table = mxcmci_devtype,
.driver = {
.name = DRIVER_NAME,
.owner = THIS_MODULE,