[PATCH 06/15] mmc: sdhci: Add sdhci_adma_mark_end()

Adrian Hunter
2014-10-21T09:28:03Z

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>
---
drivers/mmc/host/sdhci.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index b45814e..833e792 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 {
/*
--
1.9.1