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spi/spi-atmel: call unmapping on transfers buffers

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Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Nicolas Ferre 2013-03-19 15:44:22 +08:00 committed by Mark Brown
parent 97ed465b4d
commit 1888e8f2f5
1 changed files with 5 additions and 3 deletions
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8
drivers/spi/spi-atmel.c
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@ -1047,6 +1047,7 @@ static int atmel_spi_remove(struct platform_device *pdev)
struct spi_master *master = platform_get_drvdata(pdev);
struct atmel_spi *as = spi_master_get_devdata(master);
struct spi_message *msg;
struct spi_transfer *xfer;
/* reset the hardware and block queue progress */
spin_lock_irq(&as->lock);
@ -1058,9 +1059,10 @@ static int atmel_spi_remove(struct platform_device *pdev)
/* Terminate remaining queued transfers */
list_for_each_entry(msg, &as->queue, queue) {
/* REVISIT unmapping the dma is a NOP on ARM and AVR32
* but we shouldn't depend on that...
*/
list_for_each_entry(xfer, &msg->transfers, transfer_list) {
if (!msg->is_dma_mapped)
atmel_spi_dma_unmap_xfer(master, xfer);
}
msg->status = -ESHUTDOWN;
msg->complete(msg->context);
}