aboutsummaryrefslogtreecommitdiff
path: root/drivers/pci
diff options
context:
space:
mode:
authorFabio Estevam2017-07-16 19:56:38 -0300
committerBjorn Helgaas2017-08-24 11:09:17 -0500
commita8c2038f615ac522aa9eb55dff1b7979bef0f794 (patch)
tree026f5d30d67c46917e8e3ae5e469bbf7a7c3198b /drivers/pci
parent8c934095fa2f336d92b722f49f78ca7abf47e051 (diff)
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>
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/dwc/pcie-qcom.c4
1 files 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);
}