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path: root/drivers/spi/atmel_spi.c
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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)
766 /* Initialize the hardware */ 766 /* Initialize the hardware */
767 clk_enable(clk); 767 clk_enable(clk);
768 spi_writel(as, CR, SPI_BIT(SWRST)); 768 spi_writel(as, CR, SPI_BIT(SWRST));
769 spi_writel(as, CR, SPI_BIT(SWRST)); /* AT91SAM9263 Rev B workaround */
769 spi_writel(as, MR, SPI_BIT(MSTR) | SPI_BIT(MODFDIS)); 770 spi_writel(as, MR, SPI_BIT(MSTR) | SPI_BIT(MODFDIS));
770 spi_writel(as, PTCR, SPI_BIT(RXTDIS) | SPI_BIT(TXTDIS)); 771 spi_writel(as, PTCR, SPI_BIT(RXTDIS) | SPI_BIT(TXTDIS));
771 spi_writel(as, CR, SPI_BIT(SPIEN)); 772 spi_writel(as, CR, SPI_BIT(SPIEN));
@@ -782,6 +783,7 @@ static int __init atmel_spi_probe(struct platform_device *pdev)
782 783
783out_reset_hw: 784out_reset_hw:
784 spi_writel(as, CR, SPI_BIT(SWRST)); 785 spi_writel(as, CR, SPI_BIT(SWRST));
786 spi_writel(as, CR, SPI_BIT(SWRST)); /* AT91SAM9263 Rev B workaround */
785 clk_disable(clk); 787 clk_disable(clk);
786 free_irq(irq, master); 788 free_irq(irq, master);
787out_unmap_regs: 789out_unmap_regs:
@@ -805,6 +807,7 @@ static int __exit atmel_spi_remove(struct platform_device *pdev)
805 spin_lock_irq(&as->lock); 807 spin_lock_irq(&as->lock);
806 as->stopping = 1; 808 as->stopping = 1;
807 spi_writel(as, CR, SPI_BIT(SWRST)); 809 spi_writel(as, CR, SPI_BIT(SWRST));
810 spi_writel(as, CR, SPI_BIT(SWRST)); /* AT91SAM9263 Rev B workaround */
808 spi_readl(as, SR); 811 spi_readl(as, SR);
809 spin_unlock_irq(&as->lock); 812 spin_unlock_irq(&as->lock);
810 813