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

["Sören Brinkmann" <soren.brinkmann@xilinx.com>]

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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@xilinx.com>
> ---
> I don't know how this slipped in...
> Anyway, the fix depends on armsoc/zynq/clk.
> 
> 	Sören
> 
>  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
> 
>