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authorIngo Molnar <mingo@elte.hu>2008-12-04 08:52:14 +0100
committerIngo Molnar <mingo@elte.hu>2008-12-04 08:52:14 +0100
commitcb9c34e6d090d376b77becaa5d29a65dec7f4272 (patch)
tree3678abce20d6825aebe3fec218057d4131e13fd6 /drivers/spi/atmel_spi.c
parent470c66239ef0336429b35345f3f615d47341e13b (diff)
parent061e41fdb5047b1fb161e89664057835935ca1d2 (diff)
Merge commit 'v2.6.28-rc7' into core/locking
Diffstat (limited to 'drivers/spi/atmel_spi.c')
-rw-r--r--drivers/spi/atmel_spi.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/spi/atmel_spi.c b/drivers/spi/atmel_spi.c
index 02f9320f3efc..8abae4ad0fa5 100644
--- a/drivers/spi/atmel_spi.c
+++ b/drivers/spi/atmel_spi.c
@@ -766,6 +766,7 @@ static int __init atmel_spi_probe(struct platform_device *pdev)
/* Initialize the hardware */
clk_enable(clk);
spi_writel(as, CR, SPI_BIT(SWRST));
+ spi_writel(as, CR, SPI_BIT(SWRST)); /* AT91SAM9263 Rev B workaround */
spi_writel(as, MR, SPI_BIT(MSTR) | SPI_BIT(MODFDIS));
spi_writel(as, PTCR, SPI_BIT(RXTDIS) | SPI_BIT(TXTDIS));
spi_writel(as, CR, SPI_BIT(SPIEN));
@@ -782,6 +783,7 @@ static int __init atmel_spi_probe(struct platform_device *pdev)
out_reset_hw:
spi_writel(as, CR, SPI_BIT(SWRST));
+ spi_writel(as, CR, SPI_BIT(SWRST)); /* AT91SAM9263 Rev B workaround */
clk_disable(clk);
free_irq(irq, master);
out_unmap_regs:
@@ -805,6 +807,7 @@ static int __exit atmel_spi_remove(struct platform_device *pdev)
spin_lock_irq(&as->lock);
as->stopping = 1;
spi_writel(as, CR, SPI_BIT(SWRST));
+ spi_writel(as, CR, SPI_BIT(SWRST)); /* AT91SAM9263 Rev B workaround */
spi_readl(as, SR);
spin_unlock_irq(&as->lock);