On Sun, Aug 27, 2017 at 09:25:57PM -0300, Fabio Estevam wrote:
> The reset GPIO can be connected to a I2C or SPI IO expander, which may
> sleep, so it is safer to use the gpiod_set_value_cansleep() variant
> instead.
>
> Signed-off-by: Fabio Estevam <festevam@xxxxxxxxx>
Applied with Shawn's ack to pci/host-rockchip for v4.14, thanks!
> ---
> Changes since v1:
> - Resending with Shawn Lin added on Cc.
>
> drivers/pci/host/pcie-rockchip.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/pci/host/pcie-rockchip.c b/drivers/pci/host/pcie-rockchip.c
> index 2eccd53..124b280 100644
> --- a/drivers/pci/host/pcie-rockchip.c
> +++ b/drivers/pci/host/pcie-rockchip.c
> @@ -537,7 +537,7 @@ static int rockchip_pcie_init_port(struct rockchip_pcie *rockchip)
> int err, i;
> u32 status;
>
> - gpiod_set_value(rockchip->ep_gpio, 0);
> + gpiod_set_value_cansleep(rockchip->ep_gpio, 0);
>
> err = reset_control_assert(rockchip->aclk_rst);
> if (err) {
> @@ -682,7 +682,7 @@ static int rockchip_pcie_init_port(struct rockchip_pcie *rockchip)
> rockchip_pcie_write(rockchip, PCIE_CLIENT_LINK_TRAIN_ENABLE,
> PCIE_CLIENT_CONFIG);
>
> - gpiod_set_value(rockchip->ep_gpio, 1);
> + gpiod_set_value_cansleep(rockchip->ep_gpio, 1);
>
> /* 500ms timeout value should be enough for Gen1/2 training */
> err = readl_poll_timeout(rockchip->apb_base + PCIE_CLIENT_BASIC_STATUS1,
> --
> 2.7.4
>
