From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
To: Gregory CLEMENT <gregory.clement@free-electrons.com>
Cc: Linus Walleij <linus.walleij@linaro.org>,
linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org,
Jason Cooper <jason@lakedaemon.net>, Andrew Lunn <andrew@lunn.ch>,
Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>,
linux-arm-kernel@lists.infradead.org,
Chris Packham <Chris.Packham@alliedtelesis.co.nz>,
Ralph Sennhauser <ralph.sennhauser@gmail.com>
Subject: Re: [PATCH v2] gpio: mvebu: fix regmap_update_bits usage
Date: Fri, 9 Jun 2017 13:01:25 +0200 [thread overview]
Message-ID: <20170609130125.43b8258f@free-electrons.com> (raw)
In-Reply-To: <20170609100917.26660-1-gregory.clement@free-electrons.com>
Hello,
On Fri, 9 Jun 2017 12:09:17 +0200, Gregory CLEMENT wrote:
> In some place in the driver regmap_update_bits was misused. Indeed the
> last argument is not the value of the bit (or group of bits) itself but
> the mask value inside the register.
>
> So when setting the bit N, then the value must be BIT(N) and not 1.
>
> CC: Chris Packham <Chris.Packham@alliedtelesis.co.nz>
> CC: Ralph Sennhauser <ralph.sennhauser@gmail.com>
> Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Reviewed-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Thanks for fixing this so quickly!
Best regards,
Thomas
--
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
WARNING: multiple messages have this Message-ID (diff)
From: thomas.petazzoni@free-electrons.com (Thomas Petazzoni)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2] gpio: mvebu: fix regmap_update_bits usage
Date: Fri, 9 Jun 2017 13:01:25 +0200 [thread overview]
Message-ID: <20170609130125.43b8258f@free-electrons.com> (raw)
In-Reply-To: <20170609100917.26660-1-gregory.clement@free-electrons.com>
Hello,
On Fri, 9 Jun 2017 12:09:17 +0200, Gregory CLEMENT wrote:
> In some place in the driver regmap_update_bits was misused. Indeed the
> last argument is not the value of the bit (or group of bits) itself but
> the mask value inside the register.
>
> So when setting the bit N, then the value must be BIT(N) and not 1.
>
> CC: Chris Packham <Chris.Packham@alliedtelesis.co.nz>
> CC: Ralph Sennhauser <ralph.sennhauser@gmail.com>
> Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Reviewed-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Thanks for fixing this so quickly!
Best regards,
Thomas
--
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
next prev parent reply other threads:[~2017-06-09 11:01 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-09 10:09 [PATCH v2] gpio: mvebu: fix regmap_update_bits usage Gregory CLEMENT
2017-06-09 10:09 ` Gregory CLEMENT
2017-06-09 11:01 ` Thomas Petazzoni [this message]
2017-06-09 11:01 ` Thomas Petazzoni
2017-06-09 12:21 ` Ralph Sennhauser
2017-06-09 12:21 ` Ralph Sennhauser
2017-06-11 21:54 ` Chris Packham
2017-06-11 21:54 ` Chris Packham
2017-06-16 9:16 ` Linus Walleij
2017-06-16 9:16 ` Linus Walleij
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