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    • andrey.konovalov@linaro.org's avatar
      exynos: usb: Fix data abort on boards w/o vbus-gpio node in the DT · e6e493f3
      andrey.konovalov@linaro.org authored
      Commit 4a271cb1
      
       doesn't take into account that fdtdec_setup_gpio()
      returns success when the gpio passed to it is FDT_GPIO_NONE (no
      gpio node found in the fdtdec_decode_gpio() call). This results in
      calling gpio_direction_output() on invalid gpio. For this reason
      executing "usb start" command on Arndale causes data abort in the
      ehci-exynos driver.
      
      Add the fdt_gpio_isvalid() check to fix that problem.
      Signed-off-by: default avatarAndrey Konovalov <andrey.konovalov@linaro.org>
      Cc: Julius Werner <jwerner@chromium.org>
      Cc: Simon Glass <sjg@chromium.org>
      Cc: Minkyu Kang <mk7.kang@samsung.com>
      Cc: Marek Vasut <marex@denx.de>
      e6e493f3
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