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USB: isp1760: Fix endianness-sensitivity in of_isp1760_probe() 

Data read direct from device tree properties will be in the device
tree's native endianness (i.e., big-endian).

This patch uses of_property_read_u32() to read the bus-width
property in host byte order instead.

Signed-off-by: Dave Martin <dave.martin@linaro.org>
Acked-by: Pawel Moll <pawel.moll@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Dave Martin 2011-12-02 16:58:18 +00:00 committed by Greg Kroah-Hartman
parent 7fb57a019f
commit 8ad028bd97
1 changed files with 3 additions and 3 deletions
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6
drivers/usb/host/isp1760-if.c
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@ -47,9 +47,9 @@ static int of_isp1760_probe(struct platform_device *dev)
int virq;
resource_size_t res_len;
int ret;
const unsigned int *prop;
unsigned int devflags = 0;
enum of_gpio_flags gpio_flags;
u32 bus_width = 0;
drvdata = kzalloc(sizeof(*drvdata), GFP_KERNEL);
if (!drvdata)
@ -77,8 +77,8 @@ static int of_isp1760_probe(struct platform_device *dev)
devflags |= ISP1760_FLAG_ISP1761;
/* Some systems wire up only 16 of the 32 data lines */
prop = of_get_property(dp, "bus-width", NULL);
if (prop && *prop == 16)
of_property_read_u32(dp, "bus-width", &bus_width);
if (bus_width == 16)
devflags |= ISP1760_FLAG_BUS_WIDTH_16;
if (of_get_property(dp, "port1-otg", NULL) != NULL)