From: Andi Shyti <andi.shyti@samsung.com> To: Chanwoo Choi <cw00.choi@samsung.com> Cc: Jaehoon Chung <jh80.chung@samsung.com>, Sylwester Nawrocki <s.nawrocki@samsung.com>, Tomasz Figa <tomasz.figa@gmail.com>, Michael Turquette <mturquette@baylibre.com>, Stephen Boyd <sboyd@codeaurora.org>, Kukjin Kim <kgene@kernel.org>, Krzysztof Kozlowski <k.kozlowski@samsung.com>, 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@samsung.com>, Andi Shyti <andi@etezian.org> Subject: [PATCH v4 2/2] clk: exynos5433: enable sclk_ioclk for SPI3 Date: Thu, 07 Jul 2016 21:13:57 +0900 [thread overview] Message-ID: <1467893637-12573-3-git-send-email-andi.shyti@samsung.com> (raw) In-Reply-To: <1467893637-12573-1-git-send-email-andi.shyti@samsung.com> 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 <tomasz.figa@gmail.com> Signed-off-by: Andi Shyti <andi.shyti@samsung.com> Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com> --- 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
WARNING: multiple messages have this Message-ID (diff)
From: andi.shyti@samsung.com (Andi Shyti) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v4 2/2] clk: exynos5433: enable sclk_ioclk for SPI3 Date: Thu, 07 Jul 2016 21:13:57 +0900 [thread overview] Message-ID: <1467893637-12573-3-git-send-email-andi.shyti@samsung.com> (raw) In-Reply-To: <1467893637-12573-1-git-send-email-andi.shyti@samsung.com> 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 <tomasz.figa@gmail.com> Signed-off-by: Andi Shyti <andi.shyti@samsung.com> Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com> --- 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
next prev parent reply other threads:[~2016-07-07 12:14 UTC|newest] Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-07-07 12:13 [PATCH v4 0/2] mark spi clocks as critical and enable spi3 clocks Andi Shyti 2016-07-07 12:13 ` Andi Shyti 2016-07-07 12:13 ` [PATCH v4 1/2] clk: exynos5433: do not use CLK_IGNORE_UNUSED for SPI clocks Andi Shyti 2016-07-07 12:13 ` Andi Shyti 2016-07-07 12:46 ` Krzysztof Kozlowski 2016-07-07 12:46 ` Krzysztof Kozlowski 2016-07-07 13:27 ` Andi Shyti 2016-07-07 13:27 ` Andi Shyti 2016-07-07 15:20 ` Sylwester Nawrocki 2016-07-07 15:20 ` Sylwester Nawrocki 2016-07-07 15:39 ` Andi Shyti 2016-07-07 15:39 ` Andi Shyti 2016-07-07 12:13 ` Andi Shyti [this message] 2016-07-07 12:13 ` [PATCH v4 2/2] clk: exynos5433: enable sclk_ioclk for SPI3 Andi Shyti 2016-07-07 13:18 ` [PATCH v4 0/2] mark spi clocks as critical and enable spi3 clocks Sylwester Nawrocki 2016-07-07 13:18 ` Sylwester Nawrocki 2016-07-07 15:26 ` Sylwester Nawrocki 2016-07-07 15:26 ` Sylwester Nawrocki
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