From: Alim Akhtar <alim.akhtar@samsung.com>
To: linux-arm-kernel@lists.infradead.org, s.nawrocki@samsung.com
Cc: thomas.ab@samsung.com, k.kozlowski@samsung.com,
linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org,
linux-clk@vger.kernel.org, sboyd@codeaurora.org,
mturquette@baylibre.com, tomasz.figa@gmail.com
Subject: [PATCH] clk: samsung: exynos7: Don't gate CMU_{CCORE, FSYS0} blocks clock
Date: Thu, 14 Apr 2016 10:12:52 +0530 [thread overview]
Message-ID: <1460608972-13878-1-git-send-email-alim.akhtar@samsung.com> (raw)
This patch adds CLK_IS_CRITICAL flag to ACLK_CCORE_133 and ACLK_FSYS0_200
clocks. These clocks are critical for accessing CMU_CCORE and CMU_FSYS0
blocks registers. Let these clocks to be enabled all the time.
Signed-off-by: Alim Akhtar <alim.akhtar@samsung.com>
---
drivers/clk/samsung/clk-exynos7.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/clk/samsung/clk-exynos7.c b/drivers/clk/samsung/clk-exynos7.c
index ad68d46..03a82da 100644
--- a/drivers/clk/samsung/clk-exynos7.c
+++ b/drivers/clk/samsung/clk-exynos7.c
@@ -146,7 +146,7 @@ static struct samsung_pll_rate_table pll1460x_24mhz_tbl[] __initdata = {
static struct samsung_gate_clock topc_gate_clks[] __initdata = {
GATE(ACLK_CCORE_133, "aclk_ccore_133", "dout_aclk_ccore_133",
- ENABLE_ACLK_TOPC0, 4, 0, 0),
+ ENABLE_ACLK_TOPC0, 4, CLK_IS_CRITICAL, 0),
GATE(ACLK_MSCL_532, "aclk_mscl_532", "dout_aclk_mscl_532",
ENABLE_ACLK_TOPC1, 20, 0, 0),
@@ -539,7 +539,8 @@ static struct samsung_gate_clock top1_gate_clks[] __initdata = {
ENABLE_SCLK_TOP1_FSYS11, 12, CLK_SET_RATE_PARENT, 0),
GATE(CLK_ACLK_FSYS0_200, "aclk_fsys0_200", "dout_aclk_fsys0_200",
- ENABLE_ACLK_TOP13, 28, CLK_SET_RATE_PARENT, 0),
+ ENABLE_ACLK_TOP13, 28, CLK_SET_RATE_PARENT |
+ CLK_IS_CRITICAL, 0),
GATE(CLK_ACLK_FSYS1_200, "aclk_fsys1_200", "dout_aclk_fsys1_200",
ENABLE_ACLK_TOP13, 24, CLK_SET_RATE_PARENT, 0),
--
1.7.10.4
next reply other threads:[~2016-04-14 4:42 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-14 4:42 Alim Akhtar [this message]
2016-04-14 7:50 ` [PATCH] clk: samsung: exynos7: Don't gate CMU_{CCORE, FSYS0} blocks clock Krzysztof Kozlowski
2016-04-15 12:37 ` Alim Akhtar
2016-04-15 16:34 ` Sylwester Nawrocki
2016-05-25 6:04 ` Alim Akhtar
2016-05-25 10:49 ` Sylwester Nawrocki
2016-05-30 12:50 ` Sylwester Nawrocki
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