flush AR71XX_RESET_PCI_INT_ENABLE register after writing

SVN-Revision: 16372

diff --git a/target/linux/ar71xx/files/arch/mips/ar71xx/irq.c b/target/linux/ar71xx/files/arch/mips/ar71xx/irq.c
index c3ba7ec4379de7697634ec81daeb3403fd0604da..797e6f81a5bd6fa138bc341675dd36638854a619 100644 (file)
--- a/target/linux/ar71xx/files/arch/mips/ar71xx/irq.c
+++ b/target/linux/ar71xx/files/arch/mips/ar71xx/irq.c
@@ -50,6 +50,9 @@ static void ar71xx_pci_irq_unmask(unsigned int irq)
        irq -= AR71XX_PCI_IRQ_BASE;
        ar71xx_reset_wr(AR71XX_RESET_REG_PCI_INT_ENABLE,
                ar71xx_reset_rr(AR71XX_RESET_REG_PCI_INT_ENABLE) | (1 << irq));
+
+       /* flush write */
+       ar71xx_reset_rr(AR71XX_RESET_REG_PCI_INT_ENABLE);
 }
 
 static void ar71xx_pci_irq_mask(unsigned int irq)
@@ -57,6 +60,9 @@ static void ar71xx_pci_irq_mask(unsigned int irq)
        irq -= AR71XX_PCI_IRQ_BASE;
        ar71xx_reset_wr(AR71XX_RESET_REG_PCI_INT_ENABLE,
                ar71xx_reset_rr(AR71XX_RESET_REG_PCI_INT_ENABLE) & ~(1 << irq));
+
+       /* flush write */
+       ar71xx_reset_rr(AR71XX_RESET_REG_PCI_INT_ENABLE);
 }
 
 static struct irq_chip ar71xx_pci_irq_chip = {