Commit fbf4e262 authored by Kevin Cernekee's avatar Kevin Cernekee Committed by Florian Fainelli
Browse files

bus: brcmstb_gisb: Honor the "big-endian" and "native-endian" DT properties 



On chips strapped for BE, we'll need to use ioread32be/iowrite32be instead of
ioread32/iowrite32.

Signed-off-by: default avatarKevin Cernekee <cernekee@gmail.com>
Signed-off-by: default avatarFlorian Fainelli <f.fainelli@gmail.com>
parent 7dc95b40

drivers/bus/brcmstb_gisb.c

+11 −2
Original line number Diff line number Diff line
@@ -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;
@@ -108,6 +109,9 @@ static u32 gisb_read(struct brcmstb_gisb_arb_device *gdev, int reg) 
	if (offset == -1)

		return 1;



	if (gdev->big_endian)

		return ioread32be(gdev->base + offset);

	else

		return ioread32(gdev->base + offset);

}
@@ -117,6 +121,10 @@ static void gisb_write(struct brcmstb_gisb_arb_device *gdev, u32 val, int reg) 


	if (offset == -1)

		return;



	if (gdev->big_endian)

		iowrite32be(val, gdev->base + reg);

	else

		iowrite32(val, gdev->base + reg);

}
@@ -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,