linux-kernel - Re: [PATCH] i2c: i2c-tegra: replace spin_lock_irqsave with spin

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Message-ID: <20181128091315.GA17419@ulmo>
Date:   Wed, 28 Nov 2018 10:13:15 +0100
From:   Thierry Reding <thierry.reding@...il.com>
To:     jun qian <hangdianqj@....com>
Cc:     Laxman Dewangan <ldewangan@...dia.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        linux-i2c@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] i2c: i2c-tegra: replace spin_lock_irqsave with spin_lock
 in ISR

On Tue, Sep 11, 2018 at 07:54:46AM -0700, jun qian wrote:
> As you are already in ISR, it is unnecessary to call spin_lock_irqsave.
> 
> Signed-off-by: jun qian <hangdianqj@....com>
> ---
>  drivers/i2c/busses/i2c-tegra.c | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)

Acked-by: Thierry Reding <treding@...dia.com>

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