lkml.org 
[lkml]   [2013]   [Jun]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] clk: exynos5250: Add CLK_IGNORE_UNUSED flag for pmu clock
On 06/06/2013 01:58 PM, Tushar Behera wrote:
> Currently 'pmu' clock is not handled by any of the drivers.
> Also before the introduction of CCF, this clock was not defined,
> hence was left enabled always.
>
> When this clock is disabled, software reset register becomes
> inaccessible and system reboot doesn't work.
>
> Upon restoring the default behaviour, system reboot starts working.
>
> Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
> ---
> drivers/clk/samsung/clk-exynos5250.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/clk/samsung/clk-exynos5250.c b/drivers/clk/samsung/clk-exynos5250.c
> index 5c97e75..3853da9 100644
> --- a/drivers/clk/samsung/clk-exynos5250.c
> +++ b/drivers/clk/samsung/clk-exynos5250.c
> @@ -378,7 +378,7 @@ struct samsung_gate_clock exynos5250_gate_clks[] __initdata = {
> 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(pmu, "pmu", "aclk66", GATE_IP_PERIS, 2, 0, 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),
> GATE(tzpc2, "tzpc2", "aclk66", GATE_IP_PERIS, 8, 0, 0),
>

If there are no objections, can this patch be queued for 3.10? It is
fixing regression w.r.t. system reboot on EXYNOS5250 based systems.

--
Tushar Behera


\
 
 \ /
  Last update: 2013-06-10 06:41    [W:0.042 / U:0.152 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site