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clk: samsung: exynos5250: Add CLK_IGNORE_UNUSED flag for the sysreg clock

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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@samsung.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
[t.figa: Updated patch description.]
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
This commit is contained in:
Abhilash Kesavan 2013-12-11 17:27:05 +05:30 committed by Tomasz Figa
parent 8777539479
commit 2feed5aecf
1 changed files with 2 additions and 1 deletions
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3
drivers/clk/samsung/clk-exynos5250.c
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@ -407,7 +407,8 @@ static 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),