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[PATCH v3 2/2] clk: exynos5433: enable sclk_ioclk for SPI3

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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 | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/clk/samsung/clk-exynos5433.c b/drivers/clk/samsung/clk-exynos5433.c
index 1f7c4951..e769c80 100644
--- a/drivers/clk/samsung/clk-exynos5433.c
+++ b/drivers/clk/samsung/clk-exynos5433.c
@@ -1648,11 +1648,12 @@ 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,
-			18, CLK_SET_RATE_PARENT, 0),
+			18, CLK_IS_CRITICAL | CLK_SET_RATE_PARENT, 0),
 	GATE(CLK_SCLK_SCI, "sclk_sci", "div_sclk_sci", ENABLE_SCLK_PERIC,
 			17, 0, 0),
 	GATE(CLK_SCLK_SC_IN, "sclk_sc_in", "div_sclk_sc_in", ENABLE_SCLK_PERIC,
-- 
2.8.1

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[PATCH v3 0/2] mark spi clocks as critical and enable spi3 clocks Andi Shyti <andi.shyti@samsung.com> - 2016-06-30 09:30 +0200
  [PATCH v3 2/2] clk: exynos5433: enable sclk_ioclk for SPI3 Andi Shyti <andi.shyti@samsung.com> - 2016-06-30 09:30 +0200
  Re: [PATCH v3 0/2] mark spi clocks as critical and enable spi3 clocks Tomasz Figa <tomasz.figa@gmail.com> - 2016-07-04 06:10 +0200
    Re: [PATCH v3 0/2] mark spi clocks as critical and enable spi3 clocks Andi Shyti <andi.shyti@samsung.com> - 2016-07-04 06:30 +0200
      Re: [PATCH v3 0/2] mark spi clocks as critical and enable spi3 clocks Tomasz Figa <tomasz.figa@gmail.com> - 2016-07-04 07:00 +0200

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