[PATCH 1/2] ARM: OMAP AM33XX: clock data: Enable clkout2 as part of init
Paul Walmsley
paul at pwsan.com
Sun May 19 22:50:17 EDT 2013
On Tue, 7 May 2013, Vaibhav Hiremath wrote:
> clkout2 comes out on the pad and is being used by various
> external on-board peripherals like, Audio codecs and stuff.
> So enable the clkout2 by default during init sequence itself.
I don't like this: the clock should be enabled by the drivers for those
external peripherals, not enabled by default. So I think you should
reconsider the part of the patch that enables it upon init. But if you
really want to do this, I'm not inclined to stand in the way; you can add
my ack.
- Paul
>
> Also, add the missing entry of "clkout2_ck" to the clock table.
>
> Signed-off-by: Vaibhav Hiremath <hvaibhav at ti.com>
> ---
> arch/arm/mach-omap2/cclock33xx_data.c | 2 ++
> 1 files changed, 2 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/cclock33xx_data.c b/arch/arm/mach-omap2/cclock33xx_data.c
> index 6fd0ed1..a8140b6 100644
> --- a/arch/arm/mach-omap2/cclock33xx_data.c
> +++ b/arch/arm/mach-omap2/cclock33xx_data.c
> @@ -979,6 +979,7 @@ static struct omap_clk am33xx_clks[] = {
> CLK(NULL, "trace_pmd_clk_mux_ck", &trace_pmd_clk_mux_ck),
> CLK(NULL, "stm_clk_div_ck", &stm_clk_div_ck),
> CLK(NULL, "trace_clk_div_ck", &trace_clk_div_ck),
> + CLK(NULL, "clkout2_ck", &clkout2_ck),
> };
>
>
> @@ -989,6 +990,7 @@ static const char *enable_init_clks[] = {
> "l4hs_gclk",
> "l4fw_gclk",
> "l4ls_gclk",
> + "clkout2_ck", /* Required for external peripherals like, Audio codecs */
> };
>
> int __init am33xx_clk_init(void)
> --
> 1.7.0.4
>
- Paul
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