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authorLinus Walleij <linus.walleij@linaro.org>2011-08-02 11:29:24 +0200
committerGrant Likely <grant.likely@secretlab.ca>2011-08-02 14:54:11 +0100
commit50658b6602dad6dc76c226917f5d8cec0f680eab (patch)
tree8cf0523b9f6369cb1c80bc8456c70831e428204a /drivers/spi
parent5f66d2b58ca879e70740c82422354144845d6dd3 (diff)
downloadop-kernel-dev-50658b6602dad6dc76c226917f5d8cec0f680eab.zip
op-kernel-dev-50658b6602dad6dc76c226917f5d8cec0f680eab.tar.gz
spi/pl022: remove function cannot exit
The remove function in the PL022 driver cannot abort the remove function any way, so restructure the code so as not to make that assumption. Remove will now proceed no matter whether it can stop the transfer queue or not. Reported-by: Russell King <linux@arm.linux.org.uk> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'drivers/spi')
-rw-r--r--drivers/spi/spi-pl022.c11
1 files changed, 3 insertions, 8 deletions
diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c
index eba88c7..730b4a3 100644
--- a/drivers/spi/spi-pl022.c
+++ b/drivers/spi/spi-pl022.c
@@ -2267,17 +2267,13 @@ static int __devexit
pl022_remove(struct amba_device *adev)
{
struct pl022 *pl022 = amba_get_drvdata(adev);
- int status = 0;
+
if (!pl022)
return 0;
/* Remove the queue */
- status = destroy_queue(pl022);
- if (status != 0) {
- dev_err(&adev->dev,
- "queue remove failed (%d)\n", status);
- return status;
- }
+ if (destroy_queue(pl022) != 0)
+ dev_err(&adev->dev, "queue remove failed\n");
load_ssp_default_config(pl022);
pl022_dma_remove(pl022);
free_irq(adev->irq[0], pl022);
@@ -2289,7 +2285,6 @@ pl022_remove(struct amba_device *adev)
spi_unregister_master(pl022->master);
spi_master_put(pl022->master);
amba_set_drvdata(adev, NULL);
- dev_dbg(&adev->dev, "remove succeeded\n");
return 0;
}
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