From: Eric Nelson <eric.nelson@boundarydevices.com>
Date: Wed, 3 Apr 2013 12:31:56 +0000 (+0000)
Subject: fsl_esdhc: flush cache after IO completion
X-Git-Tag: v2013.04-rc3~1^2~5^2~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=54899fc8fe7b33cbe1a7179e39d24e75ababcdc6;p=platform%2Fkernel%2Fu-boot.git

fsl_esdhc: flush cache after IO completion

The cache should invalidate the read buffer for
the SD card interface after the transfer complete,
not command-complete.

Tested-by: Andrew Gabbasov <Andrew_Gabbasov@mentor.com>
Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com>
---

diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c
index 35f879e..737b812 100644
--- a/drivers/mmc/fsl_esdhc.c
+++ b/drivers/mmc/fsl_esdhc.c
@@ -327,9 +327,6 @@ esdhc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
 	while (!(esdhc_read32(&regs->irqstat) & (IRQSTAT_CC | IRQSTAT_CTOE)))
 		;
 
-	if (data && (data->flags & MMC_DATA_READ))
-		check_and_invalidate_dcache_range(cmd, data);
-
 	irqstat = esdhc_read32(&regs->irqstat);
 	esdhc_write32(&regs->irqstat, irqstat);
 
@@ -403,6 +400,8 @@ esdhc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
 		} while (!(irqstat & IRQSTAT_TC) &&
 				(esdhc_read32(&regs->prsstat) & PRSSTAT_DLA));
 #endif
+		if (data->flags & MMC_DATA_READ)
+			check_and_invalidate_dcache_range(cmd, data);
 	}
 
 	esdhc_write32(&regs->irqstat, -1);