Messages in this thread Patch in this message |  | | | From | Michal Simek <> | | Subject | [PATCH 1/7] of: GPIO: Fix OF probing on little-endian systems | | Date | Wed, 29 Sep 2010 15:52:12 +1000 |
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DTB is always big-endian that's why is necessary to convert it.
Signed-off-by: Michal Simek <monstr@monstr.eu> CC: Grant Likely <grant.likely@secretlab.ca> CC: Tejun Heo <tj@kernel.org> CC: Anton Vorontsov <avorontsov@ru.mvista.com> CC: linux-kernel@vger.kernel.org CC: devicetree-discuss@lists.ozlabs.org --- drivers/gpio/xilinx_gpio.c | 6 +++--- 1 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/gpio/xilinx_gpio.c b/drivers/gpio/xilinx_gpio.c index 7096909..846fbd5 100644 --- a/drivers/gpio/xilinx_gpio.c +++ b/drivers/gpio/xilinx_gpio.c @@ -171,13 +171,13 @@ static int __devinit xgpio_of_probe(struct device_node *np) /* Update GPIO state shadow register with default value */ tree_info = of_get_property(np, "xlnx,dout-default", NULL); if (tree_info) - chip->gpio_state = *tree_info; + chip->gpio_state = be32_to_cpup(tree_info); /* Update GPIO direction shadow register with default value */ chip->gpio_dir = 0xFFFFFFFF; /* By default, all pins are inputs */ tree_info = of_get_property(np, "xlnx,tri-default", NULL); if (tree_info) - chip->gpio_dir = *tree_info; + chip->gpio_dir = be32_to_cpup(tree_info); /* Check device node and parent device node for device width */ chip->mmchip.gc.ngpio = 32; /* By default assume full GPIO controller */ @@ -186,7 +186,7 @@ static int __devinit xgpio_of_probe(struct device_node *np) tree_info = of_get_property(np->parent, "xlnx,gpio-width", NULL); if (tree_info) - chip->mmchip.gc.ngpio = *tree_info; + chip->mmchip.gc.ngpio = be32_to_cpup(tree_info); spin_lock_init(&chip->gpio_lock); -- 1.5.5.1
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