diff options
Diffstat (limited to 'kernel/drivers/bus/brcmstb_gisb.c')
| -rw-r--r-- | kernel/drivers/bus/brcmstb_gisb.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/kernel/drivers/bus/brcmstb_gisb.c b/kernel/drivers/bus/brcmstb_gisb.c index 738612c45..f364fa4d2 100644 --- a/kernel/drivers/bus/brcmstb_gisb.c +++ b/kernel/drivers/bus/brcmstb_gisb.c @@ -91,6 +91,7 @@ static const int gisb_offsets_bcm7445[] = { struct brcmstb_gisb_arb_device { void __iomem *base; const int *gisb_offsets; + bool big_endian; struct mutex lock; struct list_head next; u32 valid_mask; @@ -108,7 +109,10 @@ static u32 gisb_read(struct brcmstb_gisb_arb_device *gdev, int reg) if (offset == -1) return 1; - return ioread32(gdev->base + offset); + if (gdev->big_endian) + return ioread32be(gdev->base + offset); + else + return ioread32(gdev->base + offset); } static void gisb_write(struct brcmstb_gisb_arb_device *gdev, u32 val, int reg) @@ -117,7 +121,11 @@ static void gisb_write(struct brcmstb_gisb_arb_device *gdev, u32 val, int reg) if (offset == -1) return; - iowrite32(val, gdev->base + reg); + + if (gdev->big_endian) + iowrite32be(val, gdev->base + reg); + else + iowrite32(val, gdev->base + reg); } static ssize_t gisb_arb_get_timeout(struct device *dev, @@ -296,6 +304,7 @@ static int __init brcmstb_gisb_arb_probe(struct platform_device *pdev) return -EINVAL; } gdev->gisb_offsets = of_id->data; + gdev->big_endian = of_device_is_big_endian(dn); err = devm_request_irq(&pdev->dev, timeout_irq, brcmstb_gisb_timeout_handler, 0, pdev->name, |