diff options
| author | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2016-01-06 15:44:07 +0100 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2017-01-10 23:13:18 +0100 |
| commit | 826486c65363059986fa12fa1eeb7c0e50c3af48 (patch) | |
| tree | 52acdc900e702bc0928f331cdf0d3732f396b7de | |
| parent | 0937b93e6b20397005f0242a54a17b97a128e960 (diff) | |
PCI: imx6: fix PCIe EP device self-initialisation
This fixes PCIe EP device self-initialisation in case only a regular
reset EP GPIO is used as PERST# which is e.g. the case on our Ixora
carrier board by always waiting 20 milliseconds after releasing PERST#.
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Acked-by: Max Krummenacher <max.krummenacher@toradex.com>
(cherry picked from commit 3eaf56fc694e8b960a29e0205f40380cf59f9fc9)
| -rw-r--r-- | drivers/pci/host/pci-imx6.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/pci/host/pci-imx6.c b/drivers/pci/host/pci-imx6.c index cad18fc37261..143779cd7e98 100644 --- a/drivers/pci/host/pci-imx6.c +++ b/drivers/pci/host/pci-imx6.c @@ -431,13 +431,12 @@ static int imx6_pcie_deassert_core_reset(struct pcie_port *pp) mdelay(1); if (gpio_is_valid(imx6_pcie->reset_ep_gpio)) gpio_set_value_cansleep(imx6_pcie->reset_ep_gpio, 0); - mdelay(20); } else if (gpio_is_valid(imx6_pcie->reset_ep_gpio)) { gpio_set_value_cansleep(imx6_pcie->reset_ep_gpio, 1); mdelay(100); gpio_set_value_cansleep(imx6_pcie->reset_ep_gpio, 0); - mdelay(20); } + mdelay(20); /* * Release the PCIe PHY reset here */ |