diff options
| author | Fabio Estevam <fabio.estevam@nxp.com> | 2017-07-16 19:56:38 -0300 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2017-08-24 11:09:17 -0500 |
| commit | a8c2038f615ac522aa9eb55dff1b7979bef0f794 (patch) | |
| tree | 026f5d30d67c46917e8e3ae5e469bbf7a7c3198b /drivers/pci/dwc | |
| parent | 8c934095fa2f336d92b722f49f78ca7abf47e051 (diff) | |
| download | op-kernel-dev-a8c2038f615ac522aa9eb55dff1b7979bef0f794.zip op-kernel-dev-a8c2038f615ac522aa9eb55dff1b7979bef0f794.tar.gz | |
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/dwc')
| -rw-r--r-- | drivers/pci/dwc/pcie-qcom.c | 4 |
1 files changed, 2 insertions, 2 deletions
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); } |
