clock gating is using wrong registers for mmp2 SoC
sdhc-pxa.c is not generic for pxa family.
remove code -- future patch will add back support
Signed-off-by: Philip Rakity <prakity@xxxxxxxxxxx>
Signed-off-by: Mark F. Brown <markb@xxxxxxxxxxx>
---
arch/arm/plat-pxa/include/plat/sdhci.h | 1 -
drivers/mmc/host/sdhci-pxa.c | 9 ---------
2 files changed, 0 insertions(+), 10 deletions(-)
diff --git a/arch/arm/plat-pxa/include/plat/sdhci.h b/arch/arm/plat-pxa/include/plat/sdhci.h
index bae194a..bd6ac06 100644
--- a/arch/arm/plat-pxa/include/plat/sdhci.h
+++ b/arch/arm/plat-pxa/include/plat/sdhci.h
@@ -15,7 +15,6 @@
/* pxa specific flag */
/* Require clock free running */
-#define PXA_FLAG_DISABLE_CLOCK_GATING (1<<0)
#define PXA_FLAG_CARD_PERMANENT (1<<1)
/* Board design supports 8-bit data on SD/SDIO BUS */
diff --git a/drivers/mmc/host/sdhci-pxa.c b/drivers/mmc/host/sdhci-pxa.c
index 5a61208..4713238 100644
--- a/drivers/mmc/host/sdhci-pxa.c
+++ b/drivers/mmc/host/sdhci-pxa.c
@@ -29,9 +29,6 @@
#define DRIVER_NAME "sdhci-pxa"
-#define SD_FIFO_PARAM 0x104
-#define DIS_PAD_SD_CLK_GATE 0x400
-
struct sdhci_pxa {
struct sdhci_host *host;
struct sdhci_pxa_platdata *pdata;
@@ -49,7 +46,6 @@ struct sdhci_pxa {
static void set_clock(struct sdhci_host *host, unsigned int clock)
{
struct sdhci_pxa *pxa = sdhci_priv(host);
- u32 tmp = 0;
if (clock == 0) {
if (pxa->clk_enable) {
@@ -58,11 +54,6 @@ static void set_clock(struct sdhci_host *host, unsigned int clock)
}
} else {
if (0 == pxa->clk_enable) {
- if (pxa->pdata->flags & PXA_FLAG_DISABLE_CLOCK_GATING) {
- tmp = readl(host->ioaddr + SD_FIFO_PARAM);
- tmp |= DIS_PAD_SD_CLK_GATE;
- writel(tmp, host->ioaddr + SD_FIFO_PARAM);
- }
clk_enable(pxa->clk);
pxa->clk_enable = 1;
}
--
1.7.0.4
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