From 54899fc8fe7b33cbe1a7179e39d24e75ababcdc6 Mon Sep 17 00:00:00 2001 From: Eric Nelson <eric.nelson@boundarydevices.com> Date: Wed, 3 Apr 2013 12:31:56 +0000 Subject: [PATCH] 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> --- drivers/mmc/fsl_esdhc.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c index 35f879ea6e..737b812b54 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(®s->irqstat) & (IRQSTAT_CC | IRQSTAT_CTOE))) ; - if (data && (data->flags & MMC_DATA_READ)) - check_and_invalidate_dcache_range(cmd, data); - irqstat = esdhc_read32(®s->irqstat); esdhc_write32(®s->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(®s->prsstat) & PRSSTAT_DLA)); #endif + if (data->flags & MMC_DATA_READ) + check_and_invalidate_dcache_range(cmd, data); } esdhc_write32(®s->irqstat, -1); -- 2.39.5