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kw_gpio: fix error in kw_gpio_direction_input
The function kw_gpio_is_valid returns zero on success, so adapt the error check accordingly. Signed-off-by: Holger Brunck <holger.brunck@keymile.com> cc: Prafulla Wadaskar <prafulla@marvell.com> cc: Dieter Kiermaier <dk-arm-linux@gmx.de>
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@ -109,7 +109,7 @@ void kw_gpio_set_valid(unsigned pin, int mode)
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*/
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int kw_gpio_direction_input(unsigned pin)
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{
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if (!kw_gpio_is_valid(pin, GPIO_INPUT_OK))
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if (kw_gpio_is_valid(pin, GPIO_INPUT_OK) != 0)
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return 1;
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/* Configure GPIO direction. */
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