linux-kernel - [PATCH v4 06/11] mmc: sdhci: Refactor sdhci_set

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Date:   Mon, 6 Jan 2020 16:31:28 +0530
From:   Faiz Abbas <faiz_abbas@...com>
To:     <linux-omap@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-mmc@...r.kernel.org>
CC:     <kishon@...com>, <adrian.hunter@...el.com>, <mark.rutland@....com>,
        <robh+dt@...nel.org>, <ulf.hansson@...aro.org>, <tony@...mide.com>,
        <faiz_abbas@...com>
Subject: [PATCH v4 06/11] mmc: sdhci: Refactor sdhci_set_timeout()

Refactor sdhci_set_timeout() such that platform drivers can do some
functionality in a set_timeout() callback and then call
__sdhci_set_timeout() to complete the operation.

Signed-off-by: Faiz Abbas <faiz_abbas@...com>
---
 drivers/mmc/host/sdhci.c | 36 +++++++++++++++++++-----------------
 drivers/mmc/host/sdhci.h |  1 +
 2 files changed, 20 insertions(+), 17 deletions(-)

diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 56f46bd7cdad..adb3e8ccefb8 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1004,27 +1004,29 @@ void sdhci_set_data_timeout_irq(struct sdhci_host *host, bool enable)
 }
 EXPORT_SYMBOL_GPL(sdhci_set_data_timeout_irq);
 
-static void sdhci_set_timeout(struct sdhci_host *host, struct mmc_command *cmd)
+void __sdhci_set_timeout(struct sdhci_host *host, struct mmc_command *cmd)
 {
-	u8 count;
+	bool too_big = false;
+	u8 count = sdhci_calc_timeout(host, cmd, &too_big);
 
-	if (host->ops->set_timeout) {
-		host->ops->set_timeout(host, cmd);
-	} else {
-		bool too_big = false;
-
-		count = sdhci_calc_timeout(host, cmd, &too_big);
+	if (too_big &&
+	    host->quirks2 & SDHCI_QUIRK2_DISABLE_HW_TIMEOUT) {
+		sdhci_calc_sw_timeout(host, cmd);
+		sdhci_set_data_timeout_irq(host, false);
+	} else if (!(host->ier & SDHCI_INT_DATA_TIMEOUT)) {
+		sdhci_set_data_timeout_irq(host, true);
+	}
 
-		if (too_big &&
-		    host->quirks2 & SDHCI_QUIRK2_DISABLE_HW_TIMEOUT) {
-			sdhci_calc_sw_timeout(host, cmd);
-			sdhci_set_data_timeout_irq(host, false);
-		} else if (!(host->ier & SDHCI_INT_DATA_TIMEOUT)) {
-			sdhci_set_data_timeout_irq(host, true);
-		}
+	sdhci_writeb(host, count, SDHCI_TIMEOUT_CONTROL);
+}
+EXPORT_SYMBOL_GPL(__sdhci_set_timeout);
 
-		sdhci_writeb(host, count, SDHCI_TIMEOUT_CONTROL);
-	}
+static void sdhci_set_timeout(struct sdhci_host *host, struct mmc_command *cmd)
+{
+	if (host->ops->set_timeout)
+		host->ops->set_timeout(host, cmd);
+	else
+		__sdhci_set_timeout(host, cmd);
 }
 
 static void sdhci_initialize_data(struct sdhci_host *host,
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index 928c6f35fcad..1fe230c2ed84 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -804,5 +804,6 @@ void sdhci_send_tuning(struct sdhci_host *host, u32 opcode);
 void sdhci_abort_tuning(struct sdhci_host *host, u32 opcode);
 void sdhci_switch_external_dma(struct sdhci_host *host, bool en);
 void sdhci_set_data_timeout_irq(struct sdhci_host *host, bool enable);
+void __sdhci_set_timeout(struct sdhci_host *host, struct mmc_command *cmd);
 
 #endif /* __SDHCI_HW_H */
-- 
2.19.2