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.comSigned-off-by: Ulf Hansson <ulf.hansson@linaro.org>

drivers/mmc/host/sdhci.c

@@ -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);