linux-kernel - [PATCH v1 2/2] mmc: mmc_spi: Use write_or_read temporary variable in mmc_spi_data

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Date:   Mon,  6 Dec 2021 13:52:18 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Ulf Hansson <ulf.hansson@...aro.org>
Subject: [PATCH v1 2/2] mmc: mmc_spi: Use write_or_read temporary variable in mmc_spi_data_do()

Use write_or_read temporary variable in mmc_spi_data_do() to deduplicate
the conditional code.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/mmc/host/mmc_spi.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c
index 4b0f9035ad29..a576181e9db0 100644
--- a/drivers/mmc/host/mmc_spi.c
+++ b/drivers/mmc/host/mmc_spi.c
@@ -859,14 +859,14 @@ mmc_spi_data_do(struct mmc_spi_host *host, struct mmc_command *cmd,
 	struct spi_device	*spi = host->spi;
 	struct device		*dma_dev = host->dma_dev;
 	struct spi_transfer	*t;
-	enum dma_data_direction	direction;
+	enum dma_data_direction	direction = mmc_get_dma_dir(data);
 	struct scatterlist	*sg;
 	unsigned		n_sg;
 	bool			multiple = (data->blocks > 1);
+	const char		*write_or_read = (direction == DMA_TO_DEVICE) ? "write" : "read";
 	u32			clock_rate;
 	unsigned long		timeout;
 
-	direction = mmc_get_dma_dir(data);
 	mmc_spi_setup_data_message(host, multiple, direction);
 	t = &host->t;
 
@@ -921,9 +921,7 @@ mmc_spi_data_do(struct mmc_spi_host *host, struct mmc_command *cmd,
 		while (length) {
 			t->len = min(length, blk_size);
 
-			dev_dbg(&host->spi->dev, "    %s block, %d bytes\n",
-				(direction == DMA_TO_DEVICE) ? "write" : "read",
-				t->len);
+			dev_dbg(&spi->dev, "    %s block, %d bytes\n", write_or_read, t->len);
 
 			if (direction == DMA_TO_DEVICE)
 				status = mmc_spi_writeblock(host, t, timeout);
@@ -948,9 +946,7 @@ mmc_spi_data_do(struct mmc_spi_host *host, struct mmc_command *cmd,
 
 		if (status < 0) {
 			data->error = status;
-			dev_dbg(&spi->dev, "%s status %d\n",
-				(direction == DMA_TO_DEVICE) ? "write" : "read",
-				status);
+			dev_dbg(&spi->dev, "%s status %d\n", write_or_read, status);
 			break;
 		}
 	}
-- 
2.33.0