From: Fabio Estevam <fabio.estevam@nxp.com>
Date: Sun, 16 Jul 2017 19:56:38 -0300
Subject: PCI: qcom: Use gpiod_set_value_cansleep() to allow reset via
 expanders

Git-commit: a8c2038f615ac522aa9eb55dff1b7979bef0f794
Patch-mainline: v4.14-rc1
References: fate#326536, fate#326532

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>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@suse.com>
---
 drivers/pci/dwc/pcie-qcom.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/pci/dwc/pcie-qcom.c b/drivers/pci/dwc/pcie-qcom.c
index 26e84a957c35..e0654c01ca19 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);
 }
 
-- 
2.11.0