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authorDave Martin <dave.martin@linaro.org>2011-12-02 16:58:18 +0000
committerGreg Kroah-Hartman <gregkh@suse.de>2011-12-09 16:18:18 -0800
commit8ad028bd973ec1ead4982e21ab0400c956aff4b5 (patch)
treef0dcf9ff3aa668698f794bb29b6a3733ac5a218b /drivers/usb/host/isp1760-if.c
parent7fb57a019f94ea0c1290c39b8da753be155af41c (diff)
downloadlinux-8ad028bd973ec1ead4982e21ab0400c956aff4b5.tar.bz2
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>
Diffstat (limited to 'drivers/usb/host/isp1760-if.c')
-rw-r--r--drivers/usb/host/isp1760-if.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/usb/host/isp1760-if.c b/drivers/usb/host/isp1760-if.c
index a7dc1e1d45f2..b605224fb9e3 100644
--- a/drivers/usb/host/isp1760-if.c
+++ b/drivers/usb/host/isp1760-if.c
@@ -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)