Commit b5ffa674 authored by Adrian Hunter's avatar Adrian Hunter Committed by Ulf Hansson
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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: default avatarAdrian Hunter <adrian.hunter@intel.com>
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent 4efaa6fb

drivers/mmc/host/sdhci.c

+8 −1
Original line number Diff line number Diff line
@@ -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 {

		/*