From 1888e8f2f55c40656d8eff68572abb3748068b96 Mon Sep 17 00:00:00 2001 From: Nicolas Ferre Date: Tue, 19 Mar 2013 15:44:22 +0800 Subject: [PATCH] spi/spi-atmel: call unmapping on transfers buffers Signed-off-by: Nicolas Ferre Signed-off-by: Wenyou Yang Signed-off-by: Mark Brown --- drivers/spi/spi-atmel.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c index 26c126bfe02a..3c5ec603bcb0 100644 --- a/drivers/spi/spi-atmel.c +++ b/drivers/spi/spi-atmel.c @@ -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); }