[PATCH 3.11 017/233] clk: samsung: exynos5250: Add CLK_IGNORE_UNUSED flag for the sysreg clock
Luis Henriques
luis.henriques at canonical.com
Fri Feb 7 11:43:56 UTC 2014
3.11.10.4 -stable review patch. If anyone has any objections, please let me know.
------------------
From: Abhilash Kesavan <a.kesavan at samsung.com>
commit 2feed5aecf5f367b92bd6b6e92afe9e3de466907 upstream.
The sysreg (system register) generates control signals for various blocks
like disp1blk, i2c, mipi, usb etc. However, it gets disabled as an unused
clock at boot-up. This can lead to failures in operation of above blocks,
because they can not be configured properly if this clock is disabled.
Signed-off-by: Abhilash Kesavan <a.kesavan at samsung.com>
Acked-by: Mike Turquette <mturquette at linaro.org>
[t.figa: Updated patch description.]
Signed-off-by: Tomasz Figa <t.figa at samsung.com>
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
drivers/clk/samsung/clk-exynos5250.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/clk/samsung/clk-exynos5250.c b/drivers/clk/samsung/clk-exynos5250.c
index 6f767c5..ad9f97b 100644
--- a/drivers/clk/samsung/clk-exynos5250.c
+++ b/drivers/clk/samsung/clk-exynos5250.c
@@ -378,7 +378,8 @@ struct samsung_gate_clock exynos5250_gate_clks[] __initdata = {
GATE(hsi2c2, "hsi2c2", "aclk66", GATE_IP_PERIC, 30, 0, 0),
GATE(hsi2c3, "hsi2c3", "aclk66", GATE_IP_PERIC, 31, 0, 0),
GATE(chipid, "chipid", "aclk66", GATE_IP_PERIS, 0, 0, 0),
- GATE(sysreg, "sysreg", "aclk66", GATE_IP_PERIS, 1, 0, 0),
+ GATE(sysreg, "sysreg", "aclk66",
+ GATE_IP_PERIS, 1, CLK_IGNORE_UNUSED, 0),
GATE(pmu, "pmu", "aclk66", GATE_IP_PERIS, 2, CLK_IGNORE_UNUSED, 0),
GATE(tzpc0, "tzpc0", "aclk66", GATE_IP_PERIS, 6, 0, 0),
GATE(tzpc1, "tzpc1", "aclk66", GATE_IP_PERIS, 7, 0, 0),
--
1.8.3.2
More information about the kernel-team
mailing list