[PATCH 1/2] OMAP: HSMMC: Do dma cleanup also with data CRC errors

Adrian Hunter
2009-01-13T13:27:34Z

>From 60c6ac58ae03cda78117aef7b0ad3dddbe4deb1a Mon Sep 17 00:00:00 2001
From: Jarkko Lavinen <jarkko.lavinen@nokia.com>
Date: Fri, 5 Dec 2008 12:31:46 +0200
Subject: [PATCH] OMAP: HSMMC: Do dma cleanup also with data CRC errors

Signed-off-by: Jarkko Lavinen <jarkko.lavinen@nokia.com>
---
drivers/mmc/host/omap_hsmmc.c | 13 ++++++-------
1 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 97150c0..115d114 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -378,9 +378,9 @@ mmc_omap_cmd_done(struct mmc_omap_host *host, struct mmc_command *cmd)
/*
* DMA clean up for command errors
*/
-static void mmc_dma_cleanup(struct mmc_omap_host *host)
+static void mmc_dma_cleanup(struct mmc_omap_host *host, int errno)
{
- host->data->error = -ETIMEDOUT;
+ host->data->error = errno;

if (host->use_dma && host->dma_ch != -1) {
dma_unmap_sg(mmc_dev(host->mmc), host->data->sg, host->dma_len,
@@ -465,7 +465,7 @@ static irqreturn_t mmc_omap_irq(int irq, void *dev_id)
end_cmd = 1;
}
if (host->data) {
- mmc_dma_cleanup(host);
+ mmc_dma_cleanup(host, -ETIMEDOUT);
OMAP_HSMMC_WRITE(host->base, SYSCTL,
OMAP_HSMMC_READ(host->base,
SYSCTL) | SRD);
@@ -474,13 +474,12 @@ static irqreturn_t mmc_omap_irq(int irq, void *dev_id)
;
}
}
- if ((status & DATA_TIMEOUT) ||
- (status & DATA_CRC)) {
+ if ((status & DATA_TIMEOUT) || (status & DATA_CRC)) {
if (host->data) {
if (status & DATA_TIMEOUT)
- mmc_dma_cleanup(host);
+ mmc_dma_cleanup(host, -ETIMEDOUT);
else
- host->data->error = -EILSEQ;
+ mmc_dma_cleanup(host, -EILSEQ);
OMAP_HSMMC_WRITE(host->base, SYSCTL,
OMAP_HSMMC_READ(host->base,
SYSCTL) | SRD);
--
1.5.4.3