From: heiko@sntech.de (Heiko Stübner)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] clk: rockchip: Add CLK_SET_RATE_PARENT to aclk_cpu_pre
Date: Sat, 11 Oct 2014 20:37:20 +0200 [thread overview]
Message-ID: <1438809.8b7neIcoln@phil> (raw)
In-Reply-To: <1412615727-8772-1-git-send-email-dianders@chromium.org>
Hi Doug,
Am Montag, 6. Oktober 2014, 10:15:27 schrieb Doug Anderson:
> We'd like to be able to call clk_set_rate() on aclk_cpu (a gate) at
> bootup. In order for this to have any effect we need its parent
> (aclk_cpu_pre) to percolate the rate change to _its_ parent
> (aclk_cpu_src). Add CLK_SET_RATE_PARENT to make this happen.
added this to a branch for 3.19
Thanks
Heiko
>
> Signed-off-by: Doug Anderson <dianders@chromium.org>
> ---
> drivers/clk/rockchip/clk-rk3288.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/clk/rockchip/clk-rk3288.c
> b/drivers/clk/rockchip/clk-rk3288.c index d053529..4d98f53 100644
> --- a/drivers/clk/rockchip/clk-rk3288.c
> +++ b/drivers/clk/rockchip/clk-rk3288.c
> @@ -279,7 +279,7 @@ static struct rockchip_clk_branch rk3288_clk_branches[]
> __initdata = { RK3288_CLKGATE_CON(0), 11, GFLAGS),
> COMPOSITE_NOGATE(0, "aclk_cpu_src", mux_aclk_cpu_src_p, 0,
> RK3288_CLKSEL_CON(1), 15, 1, MFLAGS, 3, 5, DFLAGS),
> - DIV(0, "aclk_cpu_pre", "aclk_cpu_src", 0,
> + DIV(0, "aclk_cpu_pre", "aclk_cpu_src", CLK_SET_RATE_PARENT,
> RK3288_CLKSEL_CON(1), 0, 3, DFLAGS),
> GATE(ACLK_CPU, "aclk_cpu", "aclk_cpu_pre", 0,
> RK3288_CLKGATE_CON(0), 3, GFLAGS),
WARNING: multiple messages have this Message-ID (diff)
From: "Heiko Stübner" <heiko@sntech.de>
To: Doug Anderson <dianders@chromium.org>
Cc: Mike Turquette <mturquette@linaro.org>,
Sonny Rao <sonnyrao@chromium.org>,
Kever Yang <kever.yang@rock-chips.com>,
linux-rockchip@lists.infradead.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] clk: rockchip: Add CLK_SET_RATE_PARENT to aclk_cpu_pre
Date: Sat, 11 Oct 2014 20:37:20 +0200 [thread overview]
Message-ID: <1438809.8b7neIcoln@phil> (raw)
In-Reply-To: <1412615727-8772-1-git-send-email-dianders@chromium.org>
Hi Doug,
Am Montag, 6. Oktober 2014, 10:15:27 schrieb Doug Anderson:
> We'd like to be able to call clk_set_rate() on aclk_cpu (a gate) at
> bootup. In order for this to have any effect we need its parent
> (aclk_cpu_pre) to percolate the rate change to _its_ parent
> (aclk_cpu_src). Add CLK_SET_RATE_PARENT to make this happen.
added this to a branch for 3.19
Thanks
Heiko
>
> Signed-off-by: Doug Anderson <dianders@chromium.org>
> ---
> drivers/clk/rockchip/clk-rk3288.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/clk/rockchip/clk-rk3288.c
> b/drivers/clk/rockchip/clk-rk3288.c index d053529..4d98f53 100644
> --- a/drivers/clk/rockchip/clk-rk3288.c
> +++ b/drivers/clk/rockchip/clk-rk3288.c
> @@ -279,7 +279,7 @@ static struct rockchip_clk_branch rk3288_clk_branches[]
> __initdata = { RK3288_CLKGATE_CON(0), 11, GFLAGS),
> COMPOSITE_NOGATE(0, "aclk_cpu_src", mux_aclk_cpu_src_p, 0,
> RK3288_CLKSEL_CON(1), 15, 1, MFLAGS, 3, 5, DFLAGS),
> - DIV(0, "aclk_cpu_pre", "aclk_cpu_src", 0,
> + DIV(0, "aclk_cpu_pre", "aclk_cpu_src", CLK_SET_RATE_PARENT,
> RK3288_CLKSEL_CON(1), 0, 3, DFLAGS),
> GATE(ACLK_CPU, "aclk_cpu", "aclk_cpu_pre", 0,
> RK3288_CLKGATE_CON(0), 3, GFLAGS),
next prev parent reply other threads:[~2014-10-11 18:37 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-06 17:15 [PATCH] clk: rockchip: Add CLK_SET_RATE_PARENT to aclk_cpu_pre Doug Anderson
2014-10-06 17:15 ` Doug Anderson
2014-10-11 18:37 ` Heiko Stübner [this message]
2014-10-11 18:37 ` Heiko Stübner
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