From: Timur Tabi <timur@codeaurora.org>
To: Tony Lindgren <tony@atomide.com>,
Linus Walleij <linus.walleij@linaro.org>,
Grygorii Strashko <grygorii.strashko@ti.com>
Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org
Subject: Re: Regression in next with gpiolib
Date: Wed, 30 Aug 2017 16:49:43 -0500 [thread overview]
Message-ID: <5c672146-2a4c-6da5-85b1-5f2bb2ae5649@codeaurora.org> (raw)
In-Reply-To: <20170830214127.GJ6008@atomide.com>
On 08/30/2017 04:41 PM, Tony Lindgren wrote:
> It seems to be that we're now calling request and free on all gpios
> before they are properly configured?
Yes, that's what my patch does. At the time, it seemed like a good idea
-- request the GPIO before touching its hardware. But it appears that
the 'request' function of some drivers also re-muxes the GPIO in order
to honor the request.
The question is whether that's correct behavior. I don't know.
--
Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm
Technologies, Inc. Qualcomm Technologies, Inc. is a member of the
Code Aurora Forum, a Linux Foundation Collaborative Project.
next prev parent reply other threads:[~2017-08-30 21:49 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-30 21:41 Regression in next with gpiolib Tony Lindgren
2017-08-30 21:49 ` Timur Tabi [this message]
2017-08-31 5:59 ` Linus Walleij
2017-08-31 14:02 ` Tony Lindgren
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