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Groups > linux.kernel > #1567810

[PATCH 04/13] mmc: bcm2835: add bcm2835_check_data_error

From Gerd Hoffmann <kraxel@redhat.com>
Newsgroups linux.kernel
Subject [PATCH 04/13] mmc: bcm2835: add bcm2835_check_data_error
Date 2017-01-27 00:40 +0100
Message-ID <t41O1-5cG-9@gated-at.bofh.it> (permalink)
References <t41O1-5cG-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Factor out common code.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 drivers/mmc/host/bcm2835.c | 30 ++++++++++++------------------
 1 file changed, 12 insertions(+), 18 deletions(-)

diff --git a/drivers/mmc/host/bcm2835.c b/drivers/mmc/host/bcm2835.c
index 6f9fb12..d25b85a 100644
--- a/drivers/mmc/host/bcm2835.c
+++ b/drivers/mmc/host/bcm2835.c
@@ -951,6 +951,16 @@ static void bcm2835_timeout(unsigned long data)
 	spin_unlock_irqrestore(&host->lock, flags);
 }
 
+static void bcm2835_check_data_error(struct bcm2835_host *host, u32 intmask)
+{
+	if (!host->data)
+		return;
+	if (intmask & (SDHSTS_CRC16_ERROR | SDHSTS_FIFO_ERROR))
+		host->data->error = -EILSEQ;
+	if (intmask & SDHSTS_REW_TIME_OUT)
+		host->data->error = -ETIMEDOUT;
+}
+
 static void bcm2835_busy_irq(struct bcm2835_host *host, u32 intmask)
 {
 	struct device *dev = &host->pdev->dev;
@@ -1007,15 +1017,7 @@ static void bcm2835_data_irq(struct bcm2835_host *host, u32 intmask)
 	if (!host->data)
 		return;
 
-	if (intmask & (SDHSTS_CRC16_ERROR |
-		       SDHSTS_FIFO_ERROR |
-		       SDHSTS_REW_TIME_OUT)) {
-		if (intmask & (SDHSTS_CRC16_ERROR |
-			       SDHSTS_FIFO_ERROR))
-			host->data->error = -EILSEQ;
-		else
-			host->data->error = -ETIMEDOUT;
-	}
+	bcm2835_check_data_error(host, intmask);
 
 	if (host->data->error) {
 		bcm2835_finish_data(host);
@@ -1043,15 +1045,7 @@ static void bcm2835_block_irq(struct bcm2835_host *host, u32 intmask)
 		return;
 	}
 
-	if (intmask & (SDHSTS_CRC16_ERROR |
-		       SDHSTS_FIFO_ERROR |
-		       SDHSTS_REW_TIME_OUT)) {
-		if (intmask & (SDHSTS_CRC16_ERROR |
-			       SDHSTS_FIFO_ERROR))
-			host->data->error = -EILSEQ;
-		else
-			host->data->error = -ETIMEDOUT;
-	}
+	bcm2835_check_data_error(host, intmask);
 
 	if (!host->dma_desc) {
 		WARN_ON(!host->blocks);
-- 
1.8.3.1

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Thread

[PATCH 04/13] mmc: bcm2835: add bcm2835_check_data_error Gerd Hoffmann <kraxel@redhat.com> - 2017-01-27 00:40 +0100
  Re: [PATCH 04/13] mmc: bcm2835: add bcm2835_check_data_error Shawn Lin <shawn.lin@rock-chips.com> - 2017-01-27 03:10 +0100
    Re: [PATCH 04/13] mmc: bcm2835: add bcm2835_check_data_error Gerd Hoffmann <kraxel@redhat.com> - 2017-01-27 11:40 +0100

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