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authorThomas Abraham <thomas.abraham@linaro.org>2011-09-28 03:59:34 +0200
committerKukjin Kim <kgene.kim@samsung.com>2011-10-04 12:48:40 +0200
commit909ceef6827c579e767f093b422313945f9cba53 (patch)
tree64291c435f008ee965b7655de87948006ada333d /arch/arm/mach-exynos4
parentMerge branch 'next/topic-plat-samsung-1' into next-samsung-cleanup (diff)
downloadlinux-909ceef6827c579e767f093b422313945f9cba53.tar.xz
linux-909ceef6827c579e767f093b422313945f9cba53.zip
ARM: SAMSUNG: remove sdhci default configuration setup platform helper
The sdhci platform helper function that sets up the default controller configuration is removed for all Samsung platforms since such default controller configuration can be handled by the driver. Cc: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to 'arch/arm/mach-exynos4')
-rw-r--r--arch/arm/mach-exynos4/setup-sdhci.c47
1 files changed, 0 insertions, 47 deletions
diff --git a/arch/arm/mach-exynos4/setup-sdhci.c b/arch/arm/mach-exynos4/setup-sdhci.c
index 1e83f8cf236d..92937b410906 100644
--- a/arch/arm/mach-exynos4/setup-sdhci.c
+++ b/arch/arm/mach-exynos4/setup-sdhci.c
@@ -10,16 +10,7 @@
* published by the Free Software Foundation.
*/
-#include <linux/kernel.h>
#include <linux/types.h>
-#include <linux/interrupt.h>
-#include <linux/platform_device.h>
-#include <linux/io.h>
-
-#include <linux/mmc/card.h>
-#include <linux/mmc/host.h>
-
-#include <plat/regs-sdhci.h>
/* clock sources for the mmc bus clock, order as for the ctrl2[5..4] */
@@ -29,41 +20,3 @@ char *exynos4_hsmmc_clksrcs[4] = {
[2] = "sclk_mmc", /* mmc_bus */
[3] = NULL,
};
-
-void exynos4_setup_sdhci_cfg_card(struct platform_device *dev, void __iomem *r,
- struct mmc_ios *ios, struct mmc_card *card)
-{
- u32 ctrl2, ctrl3;
-
- /* don't need to alter anything according to card-type */
-
- ctrl2 = readl(r + S3C_SDHCI_CONTROL2);
-
- /* select base clock source to HCLK */
-
- ctrl2 &= S3C_SDHCI_CTRL2_SELBASECLK_MASK;
-
- /*
- * clear async mode, enable conflict mask, rx feedback ctrl, SD
- * clk hold and no use debounce count
- */
-
- ctrl2 |= (S3C64XX_SDHCI_CTRL2_ENSTAASYNCCLR |
- S3C64XX_SDHCI_CTRL2_ENCMDCNFMSK |
- S3C_SDHCI_CTRL2_ENFBCLKRX |
- S3C_SDHCI_CTRL2_DFCNT_NONE |
- S3C_SDHCI_CTRL2_ENCLKOUTHOLD);
-
- /* Tx and Rx feedback clock delay control */
-
- if (ios->clock < 25 * 1000000)
- ctrl3 = (S3C_SDHCI_CTRL3_FCSEL3 |
- S3C_SDHCI_CTRL3_FCSEL2 |
- S3C_SDHCI_CTRL3_FCSEL1 |
- S3C_SDHCI_CTRL3_FCSEL0);
- else
- ctrl3 = (S3C_SDHCI_CTRL3_FCSEL1 | S3C_SDHCI_CTRL3_FCSEL0);
-
- writel(ctrl2, r + S3C_SDHCI_CONTROL2);
- writel(ctrl3, r + S3C_SDHCI_CONTROL3);
-}