From mboxrd@z Thu Jan 1 00:00:00 1970 From: heiko@sntech.de (Heiko Stuebner) Date: Tue, 28 Jun 2016 17:17:05 +0200 Subject: [PATCH 1/2] clk: clk-rk3*: set CLK_IS_CRITICAL flag to critical clocks In-Reply-To: <1467125137-25999-2-git-send-email-andi@etezian.org> References: <1467125137-25999-1-git-send-email-andi@etezian.org> <1467125137-25999-2-git-send-email-andi@etezian.org> Message-ID: <29356205.Gk5k6xKH6K@phil> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Andi, Am Dienstag, 28. Juni 2016, 17:45:36 schrieb andi.shyti at gmail.com: > From: Andi Shyti > > Patch 32b9b1096 has introduced a generalized concept of critical > clock. Clocks are marked with the CLK_IS_CRITICAL, enabled during > boot and never gated. > > Use the CLK_IS_CRITICAL instead of declaring a local array of > critical clock enabled during boot. > > CC: Heiko Stuebner > CC: Jeffy Chen > CC: Xing Zheng > Signed-off-by: Andi Shyti > --- > drivers/clk/rockchip/clk-rk3036.c | 18 ++----- > drivers/clk/rockchip/clk-rk3188.c | 25 +++------- > drivers/clk/rockchip/clk-rk3228.c | 17 ++----- > drivers/clk/rockchip/clk-rk3288.c | 21 +++----- > drivers/clk/rockchip/clk-rk3368.c | 22 ++------- > drivers/clk/rockchip/clk-rk3399.c | 101 > ++++++++++++++++---------------------- 6 files changed, 69 insertions(+), > 135 deletions(-) > > diff --git a/drivers/clk/rockchip/clk-rk3036.c > b/drivers/clk/rockchip/clk-rk3036.c index 924f560..5734f8c 100644 > --- a/drivers/clk/rockchip/clk-rk3036.c > +++ b/drivers/clk/rockchip/clk-rk3036.c > @@ -205,7 +205,8 @@ static struct rockchip_clk_branch > rk3036_clk_branches[] __initdata = { GATE(0, "gpll_cpu", "gpll", 0, > RK2928_CLKGATE_CON(0), 1, GFLAGS), COMPOSITE_NOGATE(0, "aclk_cpu_src", > mux_busclk_p, 0, > RK2928_CLKSEL_CON(0), 14, 2, MFLAGS, 8, 5, DFLAGS), > - GATE(ACLK_CPU, "aclk_cpu", "aclk_cpu_src", CLK_IGNORE_UNUSED, > + GATE(ACLK_CPU, "aclk_cpu", "aclk_cpu_src", > + CLK_IS_CRITICAL | CLK_IGNORE_UNUSED, - you'll never need both critical and ignore_unused - please keep the lines intact and do not introduce new line-breaks ... as it makes reading the clock-tree way easier if the blocks share the same format Happens in some more cases below, but otherwise looks ok ... as written in the cover-letter I'm just still trying to make up my mind if it's worth waiting for the handoff mechanism. Heiko