[U-Boot] [PATCH 1/4] PXA: PXAMMC: Drop different delays for PXA27X

Marek Vasut marek.vasut at gmail.com
Thu Apr 29 20:27:23 CEST 2010


In case the delays were set to 10000, the MMC card on PXA27X boards (and PXA3xx
boards) didn't initialize on first try. Increasing the delays and leaving just
those for PXA25x and 26x (that is 200000) fixes this problem.

Signed-off-by: Marek Vasut <marek.vasut at gmail.com>
---
 drivers/mmc/pxa_mmc.c |    8 --------
 1 files changed, 0 insertions(+), 8 deletions(-)

diff --git a/drivers/mmc/pxa_mmc.c b/drivers/mmc/pxa_mmc.c
index 8225235..b155541 100644
--- a/drivers/mmc/pxa_mmc.c
+++ b/drivers/mmc/pxa_mmc.c
@@ -584,11 +584,7 @@ mmc_legacy_init(int verbose)
 			debug("Detected SD card\n");
 			break;
 		}
-#ifdef CONFIG_PXA27X
-		udelay(10000);
-#else
 		udelay(200000);
-#endif
 	}
 
 	if (retries <= 0 || !(IF_TYPE_SD == mmc_dev.if_type)) {
@@ -598,11 +594,7 @@ mmc_legacy_init(int verbose)
 
 		retries = 10;
 		while (retries-- && resp && !(resp[0] & 0x80000000)) {
-#ifdef CONFIG_PXA27X
-			udelay(10000);
-#else
 			udelay(200000);
-#endif
 			resp =
 			    mmc_cmd(MMC_CMD_SEND_OP_COND, 0x00ff, 0x8000,
 				    MMC_CMDAT_R3);
-- 
1.7.0



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