Re: [PATCH] clk/zynq/clkc: Add dedicated spinlock for the SWDT

From: SÃren Brinkmann
Date: Mon Jun 24 2013 - 11:58:24 EST


ping?

On Mon, Jun 17, 2013 at 03:03:46PM -0700, Soren Brinkmann wrote:
> The clk_mux for the system watchdog timer reused the register lock
> dedicated to the Ethernet module - for no apparent reason.
> Add a lock dedicated to the SWDT's clock register to remove this
> wrong dependency.
>
> Signed-off-by: Soren Brinkmann <soren.brinkmann@xxxxxxxxxx>
> ---
> I don't know how this slipped in...
> Anyway, the fix depends on armsoc/zynq/clk.
>
> SÃren
>
> drivers/clk/zynq/clkc.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/clk/zynq/clkc.c b/drivers/clk/zynq/clkc.c
> index 5c205b6..515a573 100644
> --- a/drivers/clk/zynq/clkc.c
> +++ b/drivers/clk/zynq/clkc.c
> @@ -71,6 +71,7 @@ static DEFINE_SPINLOCK(armpll_lock);
> static DEFINE_SPINLOCK(ddrpll_lock);
> static DEFINE_SPINLOCK(iopll_lock);
> static DEFINE_SPINLOCK(armclk_lock);
> +static DEFINE_SPINLOCK(swdtclk_lock);
> static DEFINE_SPINLOCK(ddrclk_lock);
> static DEFINE_SPINLOCK(dciclk_lock);
> static DEFINE_SPINLOCK(gem0clk_lock);
> @@ -293,7 +294,7 @@ static void __init zynq_clk_setup(struct device_node *np)
> }
> clks[swdt] = clk_register_mux(NULL, clk_output_name[swdt],
> swdt_ext_clk_mux_parents, 2, CLK_SET_RATE_PARENT,
> - SLCR_SWDT_CLK_SEL, 0, 1, 0, &gem0clk_lock);
> + SLCR_SWDT_CLK_SEL, 0, 1, 0, &swdtclk_lock);
>
> /* DDR clocks */
> clk = clk_register_divider(NULL, "ddr2x_div", "ddrpll", 0,
> --
> 1.8.3.1
>
>

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