diff options
| author |   Soren Brinkmann <soren.brinkmann@xilinx.com> | 2015-01-27 11:05:27 -0800 |
|---|---|---|
| committer |   Michael Turquette <mturquette@linaro.org> | 2015-01-27 17:00:24 -0800 |
| commit | 3dccfecdb867fe35b305a4e493ef5652b7d9d4cb (patch) | |
| tree | 60fb06aa80add6e430ce7043ac4466bf071230d1 /drivers/clk/zynq | |
| parent | Merge tag 'sunxi-clocks-for-3.20' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into clk-next (diff) | |
| download | wireguard-linux-3dccfecdb867fe35b305a4e493ef5652b7d9d4cb.tar.xz wireguard-linux-3dccfecdb867fe35b305a4e493ef5652b7d9d4cb.zip | |
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.c | 1 |
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); |