diff options
| author | Oleksandr Suvorov <oleksandr.suvorov@toradex.com> | 2020-10-01 12:50:57 +0300 |
|---|---|---|
| committer | Oleksandr Suvorov <oleksandr.suvorov@toradex.com> | 2021-01-27 20:58:49 +0200 |
| commit | 9b0f88156e269f3472bf8372d08de43c07d8460d (patch) | |
| tree | 474b7a19f39ec032979c7908c600878c166af174 /drivers/pci/controller/dwc/pci-imx6.c | |
| parent | f405694e9250498204eade42cc3d0b30165e3e01 (diff) | |
PCI: pci-imx6: disable end point if not needed
In asserted state of core it is safe to disable an end point of
pcie host, saving power consumption.
Related-to: ELB-3025
Signed-off-by: Oleksandr Suvorov <oleksandr.suvorov@toradex.com>
Diffstat (limited to 'drivers/pci/controller/dwc/pci-imx6.c')
| -rw-r--r-- | drivers/pci/controller/dwc/pci-imx6.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c index cd13f2e12adc..9d743c5c3263 100644 --- a/drivers/pci/controller/dwc/pci-imx6.c +++ b/drivers/pci/controller/dwc/pci-imx6.c @@ -1132,6 +1132,9 @@ static void imx6_pcie_assert_core_reset(struct imx6_pcie *imx6_pcie) break; } + if (imx6_pcie->dis_gpiod) + gpiod_set_value_cansleep(imx6_pcie->dis_gpiod, 1); + if (imx6_pcie->vpcie && regulator_is_enabled(imx6_pcie->vpcie) > 0) { int ret = regulator_disable(imx6_pcie->vpcie); |