From: Sylwester Nawrocki <snawrocki@kernel.org>
To: Stephen Boyd <sboyd@kernel.org>, linux-samsung-soc@vger.kernel.org
Cc: Marek Szyprowski <m.szyprowski@samsung.com>,
linux-clk@vger.kernel.org, linux-pm@vger.kernel.org,
Sylwester Nawrocki <snawrocki@kernel.org>,
Chanwoo Choi <cw00.choi@samsung.com>,
Krzysztof Kozlowski <krzk@kernel.org>,
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
Lukasz Luba <lukasz.luba@arm.com>
Subject: Re: [PATCH v2] clk: samsung: Keep top BPLL mux on Exynos542x enabled
Date: Sun, 23 Aug 2020 12:12:42 +0200 [thread overview]
Message-ID: <f4c87130-25a0-2195-9caa-be805d207c34@kernel.org> (raw)
In-Reply-To: <159780685238.334488.5802955284004610550@swboyd.mtv.corp.google.com>
On 8/19/20 05:14, Stephen Boyd wrote:
> Quoting Marek Szyprowski (2020-08-07 06:31:43)
>> BPLL clock must not be disabled because it is needed for proper DRAM
>> operation. This is normally handled by respective memory devfreq driver,
>> but when that driver is not yet probed or its probe has been deferred the
>> clock might got disabled what causes board hang. Fix this by calling
>> clk_prepare_enable() directly from the clock provider driver.
>>
>> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
>> Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
>> Tested-by: Lukasz Luba <lukasz.luba@arm.com>
>> Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
>> ---
>
> Can I pick this up for clk-fixes?
Sure, thanks for taking care of this.
next prev parent reply other threads:[~2020-08-23 10:12 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20200807133152eucas1p1d83611a984f5c5d875192d08e2f5711f@eucas1p1.samsung.com>
2020-08-07 13:31 ` [PATCH v2] clk: samsung: Keep top BPLL mux on Exynos542x enabled Marek Szyprowski
2020-08-10 2:58 ` Chanwoo Choi
2020-08-11 8:49 ` [clk] a2499eff4b: BUG:kernel_NULL_pointer_dereference,address kernel test robot
2020-08-11 8:49 ` kernel test robot
2020-08-19 3:13 ` Stephen Boyd
2020-08-19 3:13 ` [clk] a2499eff4b: BUG:kernel_NULL_pointer_dereference, address Stephen Boyd
2020-08-20 5:03 ` [clk] a2499eff4b: BUG:kernel_NULL_pointer_dereference,address Rong Chen
2020-08-20 5:03 ` [clk] a2499eff4b: BUG:kernel_NULL_pointer_dereference, address Rong Chen
2020-08-11 11:31 ` [PATCH v2] clk: samsung: Keep top BPLL mux on Exynos542x enabled Sylwester Nawrocki
2020-08-19 3:12 ` Stephen Boyd
2020-08-19 3:14 ` Stephen Boyd
2020-08-23 10:12 ` Sylwester Nawrocki [this message]
2020-08-24 10:28 ` Sylwester Nawrocki
2020-08-24 10:31 ` Krzysztof Kozlowski
2020-09-02 9:24 ` Sylwester Nawrocki
2020-09-15 12:43 ` Sylwester Nawrocki
2020-09-15 16:17 ` Stephen Boyd
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