Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Date:   Tue, 4 Aug 2020 08:42:13 +0200
From:   Krzysztof Kozlowski <krzk@kernel.org>
To:     Marek Szyprowski <m.szyprowski@samsung.com>
Cc:     linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org,
        Lukasz Luba <lukasz.luba@arm.com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
        linux-samsung-soc@vger.kernel.org,
        Chanwoo Choi <cw00.choi@samsung.com>
Subject: Re: [PATCH] memory: samsung: exynos5422-dmc: propagate error from
 exynos5_counters_get()
Message-ID: <20200804064213.GA10089@kozik-lap>
References: <CGME20200804061225eucas1p283c1e0dc404bc420a2184480fdfd2b0d@eucas1p2.samsung.com>
 <20200804061210.5415-1-m.szyprowski@samsung.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Disposition: inline
In-Reply-To: <20200804061210.5415-1-m.szyprowski@samsung.com>
User-Agent: Mutt/1.9.4 (2018-02-28)
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On Tue, Aug 04, 2020 at 08:12:10AM +0200, Marek Szyprowski wrote:
> exynos5_counters_get() might fail with -EPROBE_DEFER if the driver for
> devfreq event counter is not yet probed. Propagate that error value to
> the caller to ensure that the exynos5422-dmc driver will be probed again
> when devfreq event contuner is available.
> 
> This fixes boot hang if both exynos5422-dmc and exynos-ppmu drivers are
> compiled as modules.
> 
> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
> ---
>  drivers/memory/samsung/exynos5422-dmc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Thanks, looks good. I'll apply it to fixes after merge window.

Best regards,
Krzysztof