redonkable/alistair23-linux
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mmc: sdhci: Factor out sdhci_auto_cmd12()

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Factor out sdhci_auto_cmd12() so that there is a single place that controls
whether auto-CMD12 is used.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Adrian Hunter 2016-06-29 16:24:35 +03:00 committed by Ulf Hansson
parent 4e9f8fe5f2
commit 0293d50110
1 changed files with 8 additions and 2 deletions
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10
drivers/mmc/host/sdhci.c
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@ -881,6 +881,12 @@ static void sdhci_prepare_data(struct sdhci_host *host, struct mmc_command *cmd)
sdhci_writew(host, data->blocks, SDHCI_BLOCK_COUNT);
}
static inline bool sdhci_auto_cmd12(struct sdhci_host *host,
struct mmc_request *mrq)
{
return !mrq->sbc && (host->flags & SDHCI_AUTO_CMD12);
}
static void sdhci_set_transfer_mode(struct sdhci_host *host,
struct mmc_command *cmd)
{
@ -911,7 +917,7 @@ static void sdhci_set_transfer_mode(struct sdhci_host *host,
* If we are sending CMD23, CMD12 never gets sent
* on successful completion (so no Auto-CMD12).
*/
if (!cmd->mrq->sbc && (host->flags & SDHCI_AUTO_CMD12) &&
if (sdhci_auto_cmd12(host, cmd->mrq) &&
(cmd->opcode != SD_IO_RW_EXTENDED))
mode |= SDHCI_TRNS_AUTO_CMD12;
else if (cmd->mrq->sbc && (host->flags & SDHCI_AUTO_CMD23)) {
@ -1469,7 +1475,7 @@ static void sdhci_request(struct mmc_host *mmc, struct mmc_request *mrq)
* Ensure we don't send the STOP for non-SET_BLOCK_COUNTED
* requests if Auto-CMD12 is enabled.
*/
if (!mrq->sbc && (host->flags & SDHCI_AUTO_CMD12)) {
if (sdhci_auto_cmd12(host, mrq)) {
if (mrq->stop) {
mrq->data->stop = NULL;
mrq->stop = NULL;