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PCI: imx6: Use gpio_set_value_cansleep() 

We are in a context where we can sleep, and the PCIe reset gpio may be on
an I2C expander.  Use the cansleep() variant when setting the GPIO value.

Based on a patch from Russell King for pci-mvebu.c.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
This commit is contained in:
Fabio Estevam 2015-10-27 21:41:58 -02:00 committed by Bjorn Helgaas
parent 1ec218373b
commit bd534e691a
1 changed files with 2 additions and 2 deletions
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4
drivers/pci/host/pci-imx6.c
View File

@ -288,9 +288,9 @@ static int imx6_pcie_deassert_core_reset(struct pcie_port *pp)
/* Some boards don't have PCIe reset GPIO. */
if (gpio_is_valid(imx6_pcie->reset_gpio)) {
gpio_set_value(imx6_pcie->reset_gpio, 0);
gpio_set_value_cansleep(imx6_pcie->reset_gpio, 0);
msleep(100);
gpio_set_value(imx6_pcie->reset_gpio, 1);
gpio_set_value_cansleep(imx6_pcie->reset_gpio, 1);
}
return 0;