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mmc: sdhci: Tidy sdhci_request() a bit 

In preparation for further changes, tidy sdhci_request() a bit.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Tested-by: Baolin Wang <baolin.wang7@gmail.com>
Link: https://lore.kernel.org/r/20200412090349.1607-5-adrian.hunter@intel.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Adrian Hunter 2020-04-12 12:03:48 +03:00 committed by Ulf Hansson
parent 98a2642f91
commit e872f1e22e
1 changed files with 26 additions and 13 deletions
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39
drivers/mmc/host/sdhci.c
View File

@ -1659,6 +1659,17 @@ static void sdhci_send_command(struct sdhci_host *host, struct mmc_command *cmd)
sdhci_writew(host, SDHCI_MAKE_CMD(cmd->opcode, flags), SDHCI_COMMAND);
}
static bool sdhci_present_error(struct sdhci_host *host,
struct mmc_command *cmd, bool present)
{
if (!present || host->flags & SDHCI_DEVICE_DEAD) {
cmd->error = -ENOMEDIUM;
return true;
}
return false;
}
static void sdhci_read_rsp_136(struct sdhci_host *host, struct mmc_command *cmd)
{
int i, reg;
@ -2048,11 +2059,10 @@ EXPORT_SYMBOL_GPL(sdhci_set_power_and_bus_voltage);
void sdhci_request(struct mmc_host *mmc, struct mmc_request *mrq)
{
struct sdhci_host *host;
int present;
struct sdhci_host *host = mmc_priv(mmc);
struct mmc_command *cmd;
unsigned long flags;
host = mmc_priv(mmc);
bool present;
/* Firstly check card presence */
present = mmc->ops->get_cd(mmc);
@ -2061,16 +2071,19 @@ void sdhci_request(struct mmc_host *mmc, struct mmc_request *mrq)
sdhci_led_activate(host);
if (!present || host->flags & SDHCI_DEVICE_DEAD) {
mrq->cmd->error = -ENOMEDIUM;
sdhci_finish_mrq(host, mrq);
} else {
if (sdhci_manual_cmd23(host, mrq))
sdhci_send_command(host, mrq->sbc);
else
sdhci_send_command(host, mrq->cmd);
}
if (sdhci_present_error(host, mrq->cmd, present))
goto out_finish;
cmd = sdhci_manual_cmd23(host, mrq) ? mrq->sbc : mrq->cmd;
sdhci_send_command(host, cmd);
spin_unlock_irqrestore(&host->lock, flags);
return;
out_finish:
sdhci_finish_mrq(host, mrq);
spin_unlock_irqrestore(&host->lock, flags);
}
EXPORT_SYMBOL_GPL(sdhci_request);