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mmc: sdhci: Add helpers for the auto-CMD23 flag 

Add 2 helper functions to make the use of the auto-CMD23 flag more
readable.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Tested-by: Baolin Wang <baolin.wang7@gmail.com>
Link: https://lore.kernel.org/r/20200412090349.1607-2-adrian.hunter@intel.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Adrian Hunter 2020-04-12 12:03:45 +03:00 committed by Ulf Hansson
parent 9d624f4f6d
commit ed63303302
1 changed files with 15 additions and 3 deletions
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18
drivers/mmc/host/sdhci.c
View File

@ -1350,13 +1350,25 @@ static inline bool sdhci_auto_cmd12(struct sdhci_host *host,
!mrq->cap_cmd_during_tfr;
}
static inline bool sdhci_auto_cmd23(struct sdhci_host *host,
struct mmc_request *mrq)
{
return mrq->sbc && (host->flags & SDHCI_AUTO_CMD23);
}
static inline bool sdhci_manual_cmd23(struct sdhci_host *host,
struct mmc_request *mrq)
{
return mrq->sbc && !(host->flags & SDHCI_AUTO_CMD23);
}
static inline void sdhci_auto_cmd_select(struct sdhci_host *host,
struct mmc_command *cmd,
u16 *mode)
{
bool use_cmd12 = sdhci_auto_cmd12(host, cmd->mrq) &&
(cmd->opcode != SD_IO_RW_EXTENDED);
bool use_cmd23 = cmd->mrq->sbc && (host->flags & SDHCI_AUTO_CMD23);
bool use_cmd23 = sdhci_auto_cmd23(host, cmd->mrq);
u16 ctrl2;
/*
@ -1416,7 +1428,7 @@ static void sdhci_set_transfer_mode(struct sdhci_host *host,
if (mmc_op_multi(cmd->opcode) || data->blocks > 1) {
mode = SDHCI_TRNS_BLK_CNT_EN | SDHCI_TRNS_MULTI;
sdhci_auto_cmd_select(host, cmd, &mode);
if (cmd->mrq->sbc && (host->flags & SDHCI_AUTO_CMD23))
if (sdhci_auto_cmd23(host, cmd->mrq))
sdhci_writel(host, cmd->mrq->sbc->arg, SDHCI_ARGUMENT2);
}
@ -2054,7 +2066,7 @@ void sdhci_request(struct mmc_host *mmc, struct mmc_request *mrq)
mrq->cmd->error = -ENOMEDIUM;
sdhci_finish_mrq(host, mrq);
} else {
if (mrq->sbc && !(host->flags & SDHCI_AUTO_CMD23))
if (sdhci_manual_cmd23(host, mrq))
sdhci_send_command(host, mrq->sbc);
else
sdhci_send_command(host, mrq->cmd);