[PATCH] ahci: do not mangle saved HOST_CAP while resetting controller

[powerpc.git] / drivers / ata / ahci.c

diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index f36da48..dbae6d9 100644 (file)
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -645,8 +645,6 @@ static int ahci_reset_controller(void __iomem *mmio, struct pci_dev *pdev)
        u32 cap_save, impl_save, tmp;
 
        cap_save = readl(mmio + HOST_CAP);
-       cap_save &= ( (1<<28) | (1<<17) );
-       cap_save |= (1 << 27);
        impl_save = readl(mmio + HOST_PORTS_IMPL);
 
        /* global controller reset */