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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>
This commit is contained in:
Eric Nelson 2013-04-03 12:31:56 +00:00 committed by Stefano Babic
parent 0f1411bc8d
commit 54899fc8fe
1 changed files with 2 additions and 3 deletions
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5
drivers/mmc/fsl_esdhc.c
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@ -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);