summaryrefslogtreecommitdiff
path: root/drivers/clk/zynq
diff options
context:
space:
mode:
authorSoren Brinkmann <soren.brinkmann@xilinx.com>2015-01-27 22:05:27 +0300
committerMichael Turquette <mturquette@linaro.org>2015-01-28 04:00:24 +0300
commit3dccfecdb867fe35b305a4e493ef5652b7d9d4cb (patch)
tree60fb06aa80add6e430ce7043ac4466bf071230d1 /drivers/clk/zynq
parent8f101aa0272c21b116fd2b53c4ff7815698e4814 (diff)
downloadlinux-3dccfecdb867fe35b305a4e493ef5652b7d9d4cb.tar.xz
clk: zynq: Force CPU_2X clock to be ungated
The CPU_2X clock does not have a classical in-kernel user, but is, amongst other things, required for OCM and debug access. Make sure this clock is not mistakenly disabled during boot up by enabling it in the platform's clock driver. Cc: stable@vger.kernel.org # 3.11+ Fixes: 0ee52b157b8e 'clk: zynq: Add clock controller driver' Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com> Signed-off-by: Michael Turquette <mturquette@linaro.org>
Diffstat (limited to 'drivers/clk/zynq')
-rw-r--r--drivers/clk/zynq/clkc.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/clk/zynq/clkc.c b/drivers/clk/zynq/clkc.c
index 9037bebd69f7..f870aad57711 100644
--- a/drivers/clk/zynq/clkc.c
+++ b/drivers/clk/zynq/clkc.c
@@ -303,6 +303,7 @@ static void __init zynq_clk_setup(struct device_node *np)
clks[cpu_2x] = clk_register_gate(NULL, clk_output_name[cpu_2x],
"cpu_2x_div", CLK_IGNORE_UNUSED, SLCR_ARM_CLK_CTRL,
26, 0, &armclk_lock);
+ clk_prepare_enable(clks[cpu_2x]);
clk = clk_register_fixed_factor(NULL, "cpu_1x_div", "cpu_div", 0, 1,
4 + 2 * tmp);