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Date:   Sat, 22 Aug 2020 14:43:56 +0200
From:   Krzysztof Kozlowski <krzk@kernel.org>
To:     =?utf-8?Q?=C5=81ukasz?= Stelmach <l.stelmach@samsung.com>
Cc:     Kukjin Kim <kgene@kernel.org>, Andi Shyti <andi@etezian.org>,
        Mark Brown <broonie@kernel.org>, linux-spi@vger.kernel.org,
        linux-samsung-soc@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        m.szyprowski@samsung.com, b.zolnierkie@samsung.com
Subject: Re: [PATCH v2 8/9] spi: spi-s3c64xx: Increase transfer timeout
Message-ID: <20200822124356.GG20423@kozik-lap>
References: <20200821161401.11307-1-l.stelmach@samsung.com>
 <CGME20200821161407eucas1p23a283ac117d4381e087e9bacec537665@eucas1p2.samsung.com>
 <20200821161401.11307-9-l.stelmach@samsung.com>
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On Fri, Aug 21, 2020 at 06:14:00PM +0200, Łukasz Stelmach wrote:
> Increase timeout by 30 ms for some wiggle and set the minimum value to
> 100 ms. This ensures a non-zero value for short transfers which
> may take less than 1 ms. The timeout value does not affect
> performance because it is used with a completion.
> 
> Similar formula is used in other drivers e.g. sun4i, sun6i.
> 
> Signed-off-by: Łukasz Stelmach <l.stelmach@samsung.com>
> ---
>  drivers/spi/spi-s3c64xx.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)

Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>

Best regards,
Krzysztof