From: Krzysztof Kozlowski <krzk@kernel.org>
To: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: linux-samsung-soc@vger.kernel.org, linux-serial@vger.kernel.org,
Sylwester Nawrocki <s.nawrocki@samsung.com>,
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Seung-Woo Kim <sw0312.kim@samsung.com>,
Joonyoung Shim <jy0922.shim@samsung.com>,
Inki Dae <inki.dae@samsung.com>
Subject: Re: [PATCH v3 3/3] serial: samsung: Remove useless spinlock
Date: Tue, 4 Apr 2017 11:36:35 +0200 [thread overview]
Message-ID: <20170404093635.GB28551@kozik-book> (raw)
In-Reply-To: <1491200468-28463-3-git-send-email-m.szyprowski@samsung.com>
On Mon, Apr 03, 2017 at 08:21:01AM +0200, Marek Szyprowski wrote:
> Spinlock taken only for dma_map_single() for TX buffer is completely
> useless and doesn't protect anything, so remove it to simplify the code.
>
> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
> ---
> drivers/tty/serial/samsung.c | 4 ----
> 1 file changed, 4 deletions(-)
>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Best regards,
Krzysztof
next prev parent reply other threads:[~2017-04-04 9:36 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20170403062115eucas1p25b1504b3441f1195129bbedad261494c@eucas1p2.samsung.com>
2017-04-03 6:20 ` [PATCH v3 1/3] serial: samsung: Use right device for DMA-mapping calls Marek Szyprowski
2017-04-03 6:21 ` [PATCH v3 2/3] serial: samsung: Add missing checks for dma_map_single failure Marek Szyprowski
2017-04-03 13:50 ` Shuah Khan
2017-04-04 9:36 ` Krzysztof Kozlowski
2017-04-03 6:21 ` [PATCH v3 3/3] serial: samsung: Remove useless spinlock Marek Szyprowski
2017-04-04 9:36 ` Krzysztof Kozlowski [this message]
2017-04-03 13:42 ` [PATCH v3 1/3] serial: samsung: Use right device for DMA-mapping calls Shuah Khan
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