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Message-ID: <20240205124513.447875-13-tudor.ambarus@linaro.org>
Date: Mon,  5 Feb 2024 12:45:09 +0000
From: Tudor Ambarus <tudor.ambarus@...aro.org>
To: broonie@...nel.org,
	andi.shyti@...nel.org,
	semen.protsenko@...aro.org
Cc: krzysztof.kozlowski@...aro.org,
	alim.akhtar@...sung.com,
	linux-spi@...r.kernel.org,
	linux-samsung-soc@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	andre.draszik@...aro.org,
	peter.griffin@...aro.org,
	kernel-team@...roid.com,
	willmcvicker@...gle.com,
	Tudor Ambarus <tudor.ambarus@...aro.org>
Subject: [PATCH v4 12/16] spi: s3c64xx: return ETIMEDOUT for wait_for_completion_timeout()

ETIMEDOUT is more specific than EIO, use it for
wait_for_completion_timeout().

Reviewed-by: Sam Protsenko <semen.protsenko@...aro.org>
Signed-off-by: Tudor Ambarus <tudor.ambarus@...aro.org>
---
 drivers/spi/spi-s3c64xx.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index a51b5ff27d5a..fff430b9e849 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -526,7 +526,7 @@ static int s3c64xx_wait_for_dma(struct s3c64xx_spi_driver_data *sdd,
 
 	/*
 	 * If the previous xfer was completed within timeout, then
-	 * proceed further else return -EIO.
+	 * proceed further else return -ETIMEDOUT.
 	 * DmaTx returns after simply writing data in the FIFO,
 	 * w/o waiting for real transmission on the bus to finish.
 	 * DmaRx returns only after Dma read data from FIFO which
@@ -547,7 +547,7 @@ static int s3c64xx_wait_for_dma(struct s3c64xx_spi_driver_data *sdd,
 
 	/* If timed out while checking rx/tx status return error */
 	if (!val)
-		return -EIO;
+		return -ETIMEDOUT;
 
 	return 0;
 }
@@ -577,7 +577,7 @@ static int s3c64xx_wait_for_pio(struct s3c64xx_spi_driver_data *sdd,
 	if (use_irq) {
 		val = msecs_to_jiffies(ms);
 		if (!wait_for_completion_timeout(&sdd->xfer_completion, val))
-			return -EIO;
+			return -ETIMEDOUT;
 	}
 
 	val = msecs_to_loops(ms);
-- 
2.43.0.594.gd9cf4e227d-goog


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