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4 Commits

Author SHA1 Message Date
Axel Lin
2e86230fcb gpio: tb10x: Set output value before setting direction to output 
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Christian Ruppert <christian.ruppert@abilis.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
 2013-11-25 09:02:29 +01:00
Wei Yongjun
9a4864c897 gpio: tb10x: fix return value check in tb10x_gpio_probe() 
In case of error, the function devm_ioremap_resource() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check should
be replaced with IS_ERR(). Also remove the dev_err call to avoid redundant
error message.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
 2013-10-30 11:28:14 -07:00
Wei Yongjun
85aa391528 gpio: tb10x: use module_platform_driver to simplify the code 
module_platform_driver() makes the code simpler by eliminating
boilerplate code.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
 2013-10-30 11:26:17 -07:00
Christian Ruppert
c6ce2b6bff gpio: add TB10x GPIO driver 
The GPIO driver for the Abilis Systems TB10x series of SOCs based on ARC700
CPUs. It supports GPIO control and GPIO interrupt generation. This driver
works in conjunction with the TB10x pinctrl driver.

Signed-off-by: Sascha Leuenberger <sascha.leuenberger@abilis.com>
Signed-off-by: Christian Ruppert <christian.ruppert@abilis.com>
Acked-by: Kumar Gala <galak@codeaurora.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
 2013-10-25 23:42:34 +02:00