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| author | Lei Wen <leiwen@marvell.com> | 2011-10-08 04:14:58 +0000 |
|---|---|---|
| committer | Andy Fleming <afleming@freescale.com> | 2011-11-03 02:15:00 -0500 |
| commit | 3e81c7724099f3f7e18bc3344825e63dcbf9a0f5 (patch) | |
| tree | 364b8f3b819764cebf4e0d00c5dd8dcba368035c /drivers/mmc/sdhci.c | |
| parent | a004abde88e509443a45cc309f310db128cec5f2 (diff) | |
| download | talos-obmc-uboot-3e81c7724099f3f7e18bc3344825e63dcbf9a0f5.tar.gz talos-obmc-uboot-3e81c7724099f3f7e18bc3344825e63dcbf9a0f5.zip | |
mmc: sdhci: fix sdma bug for large file transfer
SDHCI spec need to reset the sdma base address while the software
try to accorss the 512k bytes address boundary. When meet such
accross behavior, sdhci controller would generate a interrupt
automatically, and software need handle this.
Signed-off-by: Lei Wen <leiwen@marvell.com>
Diffstat (limited to 'drivers/mmc/sdhci.c')
| -rw-r--r-- | drivers/mmc/sdhci.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c index 77a9e708d0..fce0ef0911 100644 --- a/drivers/mmc/sdhci.c +++ b/drivers/mmc/sdhci.c @@ -104,7 +104,7 @@ static int sdhci_transfer_data(struct sdhci_host *host, struct mmc_data *data, #ifdef CONFIG_MMC_SDMA if (stat & SDHCI_INT_DMA_END) { sdhci_writel(host, SDHCI_INT_DMA_END, SDHCI_INT_STATUS); - start_addr &= SDHCI_DEFAULT_BOUNDARY_SIZE - 1; + start_addr &= ~(SDHCI_DEFAULT_BOUNDARY_SIZE - 1); start_addr += SDHCI_DEFAULT_BOUNDARY_SIZE; sdhci_writel(host, start_addr, SDHCI_DMA_ADDRESS); } |
