diff options
Diffstat (limited to 'target/linux/mvebu/patches-4.14/401-pci-mvebu-time-out-reset-on-link-up.patch')
-rw-r--r-- | target/linux/mvebu/patches-4.14/401-pci-mvebu-time-out-reset-on-link-up.patch | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/target/linux/mvebu/patches-4.14/401-pci-mvebu-time-out-reset-on-link-up.patch b/target/linux/mvebu/patches-4.14/401-pci-mvebu-time-out-reset-on-link-up.patch deleted file mode 100644 index 504d110264..0000000000 --- a/target/linux/mvebu/patches-4.14/401-pci-mvebu-time-out-reset-on-link-up.patch +++ /dev/null @@ -1,60 +0,0 @@ -From 287b9df160b6159f8d385424904f8bac501280c1 Mon Sep 17 00:00:00 2001 -From: Russell King <rmk+kernel@armlinux.org.uk> -Date: Sat, 9 Jul 2016 10:58:16 +0100 -Subject: pci: mvebu: time out reset on link up - -If the port reports that the link is up while we are resetting, there's -little point in waiting for the full duration. - -Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> ---- - drivers/pci/host/pci-mvebu.c | 20 ++++++++++++++------ - 1 file changed, 14 insertions(+), 6 deletions(-) - ---- a/drivers/pci/host/pci-mvebu.c -+++ b/drivers/pci/host/pci-mvebu.c -@@ -1167,6 +1167,7 @@ static int mvebu_pcie_powerup(struct mve - - if (port->reset_gpio) { - u32 reset_udelay = PCI_PM_D3COLD_WAIT * 1000; -+ unsigned int i; - - of_property_read_u32(port->dn, "reset-delay-us", - &reset_udelay); -@@ -1174,7 +1175,13 @@ static int mvebu_pcie_powerup(struct mve - udelay(100); - - gpiod_set_value_cansleep(port->reset_gpio, 0); -- msleep(reset_udelay / 1000); -+ for (i = 0; i < reset_udelay; i += 1000) { -+ if (mvebu_pcie_link_up(port)) -+ break; -+ msleep(1); -+ } -+ -+ printk("%s: reset completed in %dus\n", port->name, i); - } - - return 0; -@@ -1261,15 +1268,16 @@ static int mvebu_pcie_probe(struct platf - if (!child) - continue; - -- ret = mvebu_pcie_powerup(port); -- if (ret < 0) -- continue; -- - port->base = mvebu_pcie_map_registers(pdev, child, port); - if (IS_ERR(port->base)) { - dev_err(dev, "%s: cannot map registers\n", port->name); - port->base = NULL; -- mvebu_pcie_powerdown(port); -+ continue; -+ } -+ -+ ret = mvebu_pcie_powerup(port); -+ if (ret < 0) { -+ port->base = NULL; - continue; - } - |