PCI: qcom: Use gpiod_set_value_cansleep() to allow reset via expanders
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 <fabio.estevam@nxp.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Stanimir Varbanov <svarbanov@mm-sol.com>
diff --git a/drivers/pci/dwc/pcie-qcom.c b/drivers/pci/dwc/pcie-qcom.c
index 26e84a9..e0654c0 100644
--- a/drivers/pci/dwc/pcie-qcom.c
+++ b/drivers/pci/dwc/pcie-qcom.c
@@ -142,13 +142,13 @@ struct qcom_pcie {
static void qcom_ep_reset_assert(struct qcom_pcie *pcie)
{
- gpiod_set_value(pcie->reset, 1);
+ gpiod_set_value_cansleep(pcie->reset, 1);
usleep_range(PERST_DELAY_US, PERST_DELAY_US + 500);
}
static void qcom_ep_reset_deassert(struct qcom_pcie *pcie)
{
- gpiod_set_value(pcie->reset, 0);
+ gpiod_set_value_cansleep(pcie->reset, 0);
usleep_range(PERST_DELAY_US, PERST_DELAY_US + 500);
}
