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| author | Adrian Hunter <adrian.hunter@intel.com> | 2014-11-04 11:42:40 +0100 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2014-11-10 12:40:50 +0100 |
| commit | b5ffa6749c596234243731e458739a2d793fb944 (patch) | |
| tree | 64242ad4f82b0a40119a5d9cb941842755bc4bf5 | |
| parent | mmc: sdhci: Rename adma_desc to adma_table (diff) | |
| download | linux-b5ffa6749c596234243731e458739a2d793fb944.tar.xz linux-b5ffa6749c596234243731e458739a2d793fb944.zip | |
mmc: sdhci: Add sdhci_adma_mark_end()
In preparation for 64-bit ADMA, separate out code
that touches the ADMA descriptor by adding
sdhci_adma_mark_end().
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
| -rw-r--r-- | drivers/mmc/host/sdhci.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index f2062b073e00..19f31ea99738 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -468,6 +468,13 @@ static void sdhci_adma_write_desc(u8 *desc, u32 addr, int len, unsigned cmd) dataddr[0] = cpu_to_le32(addr); } +static void sdhci_adma_mark_end(void *desc) +{ + u8 *dma_desc = desc; + + dma_desc[0] |= 0x2; /* end */ +} + static int sdhci_adma_table_pre(struct sdhci_host *host, struct mmc_data *data) { @@ -564,7 +571,7 @@ static int sdhci_adma_table_pre(struct sdhci_host *host, */ if (desc != host->adma_table) { desc -= 8; - desc[0] |= 0x2; /* end */ + sdhci_adma_mark_end(desc); } } else { /* |