diff options
Diffstat (limited to 'arch/arm/mach-highbank/highbank.c')
| -rw-r--r-- | arch/arm/mach-highbank/highbank.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/arm/mach-highbank/highbank.c b/arch/arm/mach-highbank/highbank.c index dc5d6becd8c7..88815795fe26 100644 --- a/arch/arm/mach-highbank/highbank.c +++ b/arch/arm/mach-highbank/highbank.c @@ -115,6 +115,7 @@ static int highbank_platform_notifier(struct notifier_block *nb, { struct resource *res; int reg = -1; + u32 val; struct device *dev = __dev; if (event != BUS_NOTIFY_ADD_DEVICE) @@ -141,10 +142,10 @@ static int highbank_platform_notifier(struct notifier_block *nb, return NOTIFY_DONE; if (of_property_read_bool(dev->of_node, "dma-coherent")) { - writel(0xff31, sregs_base + reg); + val = readl(sregs_base + reg); + writel(val | 0xff01, sregs_base + reg); set_dma_ops(dev, &arm_coherent_dma_ops); - } else - writel(0, sregs_base + reg); + } return NOTIFY_OK; } |