From mboxrd@z Thu Jan  1 00:00:00 1970
From: Geert Uytterhoeven <geert-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org>
Subject: Re: [PATCH] ARM: dts: r7s72100: fix sdhi clock define
Date: Tue, 17 Jan 2017 11:00:52 +0100
Message-ID: <CAMuHMdVSy-Vwky53wDmuHCLRTtmwXfbjOfk1oAeWzv6FqsH05g@mail.gmail.com>
References: <SG2PR06MB1165D0D67AD68A12030C961D8A780@SG2PR06MB1165.apcprd06.prod.outlook.com>
 <CAMuHMdUVnUS-iOM8cbXNP7jMLNFb5+hgnMp3edkCzpbEpAePzw@mail.gmail.com>
 <SG2PR06MB11659339E4A08373D3626BB28A780@SG2PR06MB1165.apcprd06.prod.outlook.com>
 <CAMuHMdX=cNuBSMqvPKYa7J5g7T4dSfHhSjcGdmuOPw_as=6RQQ@mail.gmail.com>
 <20170116114023.GA3029@katana> <SG2PR06MB11656A823E53F55C4FBCA7E88A7C0@SG2PR06MB1165.apcprd06.prod.outlook.com>
 <20170117082118.GA1487@katana> <CAMuHMdVW=HORcCA0brX4tZdtG9knqE7D_wnM5VtSrxz2LdBgUA@mail.gmail.com>
 <20170117094529.GC1487@katana> <CAMuHMdViHu7i_Lqk80toWrW=KsR49hodGnTd-Cpq35ts9gNgyw@mail.gmail.com>
 <20170117095702.GA1930@katana>
Mime-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Return-path: <devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
In-Reply-To: <20170117095702.GA1930@katana>
Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
To: Wolfram Sang <wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org>
Cc: Chris Brandt <Chris.Brandt-zM6kxYcvzFBBDgjK7y7TUQ@public.gmane.org>, Simon Horman <horms+renesas-/R6kz+dDXgpPR4JQBCEnsQ@public.gmane.org>, Magnus Damm <magnus.damm-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>, "devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" <devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, Linux-Renesas <linux-renesas-soc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, Wolfram Sang <wsa+renesas-jBu1N2QxHDJrcw3mvpCnnVaTQe2KTcn/@public.gmane.org>
List-Id: devicetree@vger.kernel.org

Hi Wolfram,

On Tue, Jan 17, 2017 at 10:57 AM, Wolfram Sang <wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org> wrote:
>> If we handle them as one, won't we miss card detect events due to the
>> card detect clock being disabled while SDHI is idle?
>
> You mean this?
>
> 1208         /*
> 1209          * While using internal tmio hardware logic for card detection, we need
> 1210          * to ensure it stays powered for it to work.
> 1211          */
> 1212         if (_host->native_hotplug)
> 1213                 pm_runtime_get_noresume(&pdev->dev);

OK. So that will keep the core module clock running.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html