PCI: mvebu: 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.

Tested-by: Willy Tarreau <w@1wt.eu> (Iomega iConnect Kirkwood, MiraBox Armada 370)
Tested-by: Andrew Lunn <andrew@lunn.ch> (D-Link DIR664 Kirkwood)
Tested-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> (Armada XP GP)
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

diff --git a/drivers/pci/host/pci-mvebu.c b/drivers/pci/host/pci-mvebu.c
index 92c777e1aa3c89d20099fca1f5aa40786091a843..00467c5a58ac5fcd43646e43aaabc934dd009f08 100644 (file)
--- a/drivers/pci/host/pci-mvebu.c
+++ b/drivers/pci/host/pci-mvebu.c
@@ -1111,8 +1111,8 @@ static int mvebu_pcie_probe(struct platform_device *pdev)
                        of_property_read_u32(child, "reset-delay-us",
                                             &reset_udelay);
 
-                       gpio_set_value(port->reset_gpio,
-                                      (port->reset_active_low) ? 1 : 0);
+                       gpio_set_value_cansleep(port->reset_gpio,
+                                               !!port->reset_active_low);
                        msleep(reset_udelay/1000);
                }