From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Andi Shyti To: Chanwoo Choi Cc: Jaehoon Chung , Sylwester Nawrocki , Tomasz Figa , Michael Turquette , Stephen Boyd , Kukjin Kim , Krzysztof Kozlowski , linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Andi Shyti , Andi Shyti Subject: [PATCH v4 2/2] clk: exynos5433: enable sclk_ioclk for SPI3 Date: Thu, 07 Jul 2016 21:13:57 +0900 Message-id: <1467893637-12573-3-git-send-email-andi.shyti@samsung.com> In-reply-to: <1467893637-12573-1-git-send-email-andi.shyti@samsung.com> References: <1467893637-12573-1-git-send-email-andi.shyti@samsung.com> List-ID: enable SPI3 critical clocks by using the CLK_IS_CRITICAL flag. There is no device which is supposed to enable this clock when needed, therefore, the only way to use the SPI bus is to enable it in boot time. Suggested-by: Tomasz Figa Signed-off-by: Andi Shyti Signed-off-by: Jaehoon Chung Reviewed-by: Chanwoo Choi --- drivers/clk/samsung/clk-exynos5433.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/clk/samsung/clk-exynos5433.c b/drivers/clk/samsung/clk-exynos5433.c index 337387b..fb8d330 100644 --- a/drivers/clk/samsung/clk-exynos5433.c +++ b/drivers/clk/samsung/clk-exynos5433.c @@ -1648,7 +1648,8 @@ static struct samsung_gate_clock peric_gate_clks[] __initdata = { GATE(CLK_SCLK_IOCLK_SPI4, "sclk_ioclk_spi4", "ioclk_spi4_clk_in", ENABLE_SCLK_PERIC, 21, CLK_SET_RATE_PARENT, 0), GATE(CLK_SCLK_IOCLK_SPI3, "sclk_ioclk_spi3", "ioclk_spi3_clk_in", - ENABLE_SCLK_PERIC, 20, CLK_SET_RATE_PARENT, 0), + ENABLE_SCLK_PERIC, 20, + CLK_IS_CRITICAL | CLK_SET_RATE_PARENT, 0), GATE(CLK_SCLK_SPI4, "sclk_spi4", "sclk_spi4_peric", ENABLE_SCLK_PERIC, 19, CLK_SET_RATE_PARENT, 0), GATE(CLK_SCLK_SPI3, "sclk_spi3", "sclk_spi3_peric", ENABLE_SCLK_PERIC, -- 2.8.1