Finally remove the mvebu-time-out patch on mvebu
This commit is contained in:
parent
d03fb57af9
commit
39b6f24287
@ -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/controller/pci-mvebu.c | 20 ++++++++++++++------
|
||||
1 file changed, 14 insertions(+), 6 deletions(-)
|
||||
|
||||
--- a/drivers/pci/controller/pci-mvebu.c
|
||||
+++ b/drivers/pci/controller/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;
|
||||
}
|
||||
|
||||
@ -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/controller/pci-mvebu.c | 20 ++++++++++++++------
|
||||
1 file changed, 14 insertions(+), 6 deletions(-)
|
||||
|
||||
--- a/drivers/pci/controller/pci-mvebu.c
|
||||
+++ b/drivers/pci/controller/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;
|
||||
}
|
||||
|
||||
@ -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;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user