PCI: apple: Use gpiod_set_value_cansleep in probe flow

We're allowed to sleep here, so tell the GPIO core by using
gpiod_set_value_cansleep instead of gpiod_set_value.

Fixes: 1e33888 ("PCI: apple: Add initial hardware bring-up")
Signed-off-by: Hector Martin <[email protected]>
Signed-off-by: Alyssa Rosenzweig <[email protected]>
Signed-off-by: Marc Zyngier <[email protected]>
Signed-off-by: Manivannan Sadhasivam <[email protected]>
Tested-by: Janne Grunau <[email protected]>
Reviewed-by: Rob Herring (Arm) <[email protected]>
Reviewed-by: Manivannan Sadhasivam <[email protected]>
Acked-by: Alyssa Rosenzweig <[email protected]>
Link: https://patch.msgid.link/[email protected]

Author: marcan

drivers/pci/controller/pcie-apple.c

@@ -562,7 +562,7 @@ static int apple_pcie_setup_port(struct apple_pcie *pcie,
 	rmw_set(PORT_APPCLK_EN, port->base + PORT_APPCLK);
 
 	/* Assert PERST# before setting up the clock */
-	gpiod_set_value(reset, 1);
+	gpiod_set_value_cansleep(reset, 1);
 
 	ret = apple_pcie_setup_refclk(pcie, port);
 	if (ret < 0)
@@ -573,7 +573,7 @@ static int apple_pcie_setup_port(struct apple_pcie *pcie,
 
 	/* Deassert PERST# */
 	rmw_set(PORT_PERST_OFF, port->base + PORT_PERST);
-	gpiod_set_value(reset, 0);
+	gpiod_set_value_cansleep(reset, 0);
 
 	/* Wait for 100ms after PERST# deassertion (PCIe r5.0, 6.6.1) */
 	msleep(100);