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| author |   Dave Martin <dave.martin@linaro.org> | 2011-12-02 16:58:18 +0000 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@suse.de> | 2011-12-09 16:18:18 -0800 |
| commit | 8ad028bd973ec1ead4982e21ab0400c956aff4b5 (patch) | |
| tree | f0dcf9ff3aa668698f794bb29b6a3733ac5a218b /drivers/usb/host/isp1760-if.c | |
| parent | USB: cdc-acm: Fix potential deadlock (lockdep warning) (diff) | |
| download | linux-dev-8ad028bd973ec1ead4982e21ab0400c956aff4b5.tar.xz linux-dev-8ad028bd973ec1ead4982e21ab0400c956aff4b5.zip | |
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.c | 6 |
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) |