diff options
Diffstat (limited to 'target/linux/mvebu/patches-3.10/0200-PCI-mvebu-move-clock-enable-before-register-access.patch')
| -rw-r--r-- | target/linux/mvebu/patches-3.10/0200-PCI-mvebu-move-clock-enable-before-register-access.patch | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/target/linux/mvebu/patches-3.10/0200-PCI-mvebu-move-clock-enable-before-register-access.patch b/target/linux/mvebu/patches-3.10/0200-PCI-mvebu-move-clock-enable-before-register-access.patch deleted file mode 100644 index 33fba3db7d..0000000000 --- a/target/linux/mvebu/patches-3.10/0200-PCI-mvebu-move-clock-enable-before-register-access.patch +++ /dev/null @@ -1,65 +0,0 @@ -From c524c5790d413b37702013e7e83a845fd3f007ac Mon Sep 17 00:00:00 2001 -From: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> -Date: Tue, 13 Aug 2013 14:25:20 +0200 -Subject: [PATCH 200/203] PCI: mvebu: move clock enable before register access - -The clock passed to PCI controller found on MVEBU SoCs may come from a -clock gate. This requires the clock to be enabled before any registers -are accessed. Therefore, move the clock enable before register iomap to -ensure it is enabled. - -Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> -Signed-off-by: Jason Cooper <jason@lakedaemon.net> ---- - drivers/pci/host/pci-mvebu.c | 25 ++++++++++++------------- - 1 file changed, 12 insertions(+), 13 deletions(-) - ---- a/drivers/pci/host/pci-mvebu.c -+++ b/drivers/pci/host/pci-mvebu.c -@@ -896,11 +896,23 @@ static int __init mvebu_pcie_probe(struc - continue; - } - -+ port->clk = of_clk_get_by_name(child, NULL); -+ if (IS_ERR(port->clk)) { -+ dev_err(&pdev->dev, "PCIe%d.%d: cannot get clock\n", -+ port->port, port->lane); -+ continue; -+ } -+ -+ ret = clk_prepare_enable(port->clk); -+ if (ret) -+ continue; -+ - port->base = mvebu_pcie_map_registers(pdev, child, port); - if (IS_ERR(port->base)) { - dev_err(&pdev->dev, "PCIe%d.%d: cannot map registers\n", - port->port, port->lane); - port->base = NULL; -+ clk_disable_unprepare(port->clk); - continue; - } - -@@ -916,22 +928,9 @@ static int __init mvebu_pcie_probe(struc - port->port, port->lane); - } - -- port->clk = of_clk_get_by_name(child, NULL); -- if (!port->clk) { -- dev_err(&pdev->dev, "PCIe%d.%d: cannot get clock\n", -- port->port, port->lane); -- iounmap(port->base); -- port->haslink = 0; -- continue; -- } -- - port->dn = child; -- -- clk_prepare_enable(port->clk); - spin_lock_init(&port->conf_lock); -- - mvebu_sw_pci_bridge_init(port); -- - i++; - } - |