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Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/exynos_dw_mmc.c31
1 files changed, 9 insertions, 22 deletions
diff --git a/drivers/mmc/exynos_dw_mmc.c b/drivers/mmc/exynos_dw_mmc.c
index 5860023..cfbe135 100644
--- a/drivers/mmc/exynos_dw_mmc.c
+++ b/drivers/mmc/exynos_dw_mmc.c
@@ -80,11 +80,10 @@ static void exynos_dwmci_board_init(struct dwmci_host *host)
exynos_dwmci_clksel(host);
}
-static int exynos_dwmci_core_init(struct dwmci_host *host, int index)
+static int exynos_dwmci_core_init(struct dwmci_host *host)
{
unsigned int div;
unsigned long freq, sclk;
- struct dwmci_exynos_priv_data *priv = host->priv;
if (host->bus_hz)
freq = host->bus_hz;
@@ -92,10 +91,10 @@ static int exynos_dwmci_core_init(struct dwmci_host *host, int index)
freq = DWMMC_MAX_FREQ;
/* request mmc clock vlaue of 52MHz. */
- sclk = get_mmc_clk(index);
+ sclk = get_mmc_clk(host->dev_index);
div = DIV_ROUND_UP(sclk, freq);
/* set the clock divisor for mmc */
- set_mmc_clk(index, div);
+ set_mmc_clk(host->dev_index, div);
host->name = "EXYNOS DWMMC";
#ifdef CONFIG_EXYNOS5420
@@ -103,20 +102,12 @@ static int exynos_dwmci_core_init(struct dwmci_host *host, int index)
#endif
host->board_init = exynos_dwmci_board_init;
- if (!priv->sdr_timing) {
- if (index == 0)
- priv->sdr_timing = DWMMC_MMC0_SDR_TIMING_VAL;
- else if (index == 2)
- priv->sdr_timing = DWMMC_MMC2_SDR_TIMING_VAL;
- }
-
host->caps = MMC_MODE_DDR_52MHz;
host->clksel = exynos_dwmci_clksel;
- host->dev_index = index;
host->get_mmc_clk = exynos_dwmci_get_clk;
/* Add the mmc channel to be registered with mmc core */
if (add_dwmci(host, DWMMC_MAX_FREQ, DWMMC_MIN_FREQ)) {
- printf("DWMMC%d registration failed\n", index);
+ printf("DWMMC%d registration failed\n", host->dev_index);
return -1;
}
return 0;
@@ -126,18 +117,16 @@ static struct dwmci_host dwmci_host[DWMMC_MAX_CH_NUM];
static int do_dwmci_init(struct dwmci_host *host)
{
- int index, flag, err;
-
- index = host->dev_index;
+ int flag, err;
flag = host->buswidth == 8 ? PINMUX_FLAG_8BIT_MODE : PINMUX_FLAG_NONE;
err = exynos_pinmux_config(host->dev_id, flag);
if (err) {
- printf("DWMMC%d not configure\n", index);
+ printf("DWMMC%d not configure\n", host->dev_index);
return err;
}
- return exynos_dwmci_core_init(host, index);
+ return exynos_dwmci_core_init(host);
}
static int exynos_dwmci_get_config(const void *blob, int node,
@@ -233,15 +222,13 @@ static int exynos_dwmci_process_node(const void *blob,
int exynos_dwmmc_init(const void *blob)
{
- int compat_id;
int node_list[DWMMC_MAX_CH_NUM];
int boot_dev_node;
int err = 0, count;
- compat_id = COMPAT_SAMSUNG_EXYNOS_DWMMC;
-
count = fdtdec_find_aliases_for_id(blob, "mmc",
- compat_id, node_list, DWMMC_MAX_CH_NUM);
+ COMPAT_SAMSUNG_EXYNOS_DWMMC, node_list,
+ DWMMC_MAX_CH_NUM);
/* For DWMMC always set boot device as mmc 0 */
if (count >= 3 && get_boot_mode() == BOOT_MODE_SD) {