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authorSebastian Hesselbarth <sebastian.hesselbarth@gmail.com>2012-09-25 02:02:13 +0200
committerJason Cooper <jason@lakedaemon.net>2012-10-17 17:19:47 +0000
commit529b89ef7ff898397ff3a44b527816a82d0c699c (patch)
treece16dbfd1e789a7da6f19cad0136c39b6b826d26
parentddffeb8c4d0331609ef2581d84de4d763607bd37 (diff)
downloadop-kernel-dev-529b89ef7ff898397ff3a44b527816a82d0c699c.zip
op-kernel-dev-529b89ef7ff898397ff3a44b527816a82d0c699c.tar.gz
ARM: dove: Add pcie clock support
As dove now has clock gating control ensure pcie ports grab their clocks. Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
-rw-r--r--arch/arm/mach-dove/pcie.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/mach-dove/pcie.c b/arch/arm/mach-dove/pcie.c
index bb15b26..0ef4435 100644
--- a/arch/arm/mach-dove/pcie.c
+++ b/arch/arm/mach-dove/pcie.c
@@ -10,6 +10,7 @@
#include <linux/kernel.h>
#include <linux/pci.h>
+#include <linux/clk.h>
#include <video/vga.h>
#include <asm/mach/pci.h>
#include <asm/mach/arch.h>
@@ -188,6 +189,10 @@ static void __init add_pcie_port(int index, void __iomem *base)
if (orion_pcie_link_up(base)) {
struct pcie_port *pp = &pcie_port[num_pcie_ports++];
+ struct clk *clk = clk_get_sys("pcie", (index ? "1" : "0"));
+
+ if (!IS_ERR(clk))
+ clk_prepare_enable(clk);
printk(KERN_INFO "link up\n");
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