summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorSoren Brinkmann <soren.brinkmann@xilinx.com>2015-01-27 11:05:27 -0800
committerSasha Levin <sasha.levin@oracle.com>2015-03-23 21:02:46 -0400
commit5be4a626326063a014865c34db5d70963fbf73f2 (patch)
tree5458e889869d028c6ef37aa79b68eddb4053d5cd
parent83ace369e37cca8dae0b2a07125b49aca33a1c9d (diff)
clk: zynq: Force CPU_2X clock to be ungated
commit 3dccfecdb867fe35b305a4e493ef5652b7d9d4cb upstream. 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. 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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-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);