diff options
| author | Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> | 2012-09-25 02:02:13 +0200 |
|---|---|---|
| committer | Jason Cooper <jason@lakedaemon.net> | 2012-10-17 19:19:47 +0200 |
| commit | 529b89ef7ff898397ff3a44b527816a82d0c699c (patch) | |
| tree | ce16dbfd1e789a7da6f19cad0136c39b6b826d26 /arch/arm/mach-dove | |
| parent | Linux 3.7-rc1 (diff) | |
| download | linux-529b89ef7ff898397ff3a44b527816a82d0c699c.tar.xz linux-529b89ef7ff898397ff3a44b527816a82d0c699c.zip | |
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>
Diffstat (limited to 'arch/arm/mach-dove')
| -rw-r--r-- | arch/arm/mach-dove/pcie.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/mach-dove/pcie.c b/arch/arm/mach-dove/pcie.c index bb15b26041cb..0ef4435b1657 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"); |