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authorJosé Pekkarinen <jose.pekkarinen@nokia.com>2016-04-11 10:41:07 +0300
committerJosé Pekkarinen <jose.pekkarinen@nokia.com>2016-04-13 08:17:18 +0300
commite09b41010ba33a20a87472ee821fa407a5b8da36 (patch)
treed10dc367189862e7ca5c592f033dc3726e1df4e3 /kernel/drivers/bus/brcmstb_gisb.c
parentf93b97fd65072de626c074dbe099a1fff05ce060 (diff)
These changes are the raw update to linux-4.4.6-rt14. Kernel sources
are taken from kernel.org, and rt patch from the rt wiki download page. During the rebasing, the following patch collided: Force tick interrupt and get rid of softirq magic(I70131fb85). Collisions have been removed because its logic was found on the source already. Change-Id: I7f57a4081d9deaa0d9ccfc41a6c8daccdee3b769 Signed-off-by: José Pekkarinen <jose.pekkarinen@nokia.com>
Diffstat (limited to 'kernel/drivers/bus/brcmstb_gisb.c')
-rw-r--r--kernel/drivers/bus/brcmstb_gisb.c13
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,