linux-kernel - Re: [PATCH 3/7] ARM: ux500: Remove ATAG support for SDI (MMC)

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Message-ID: <20131108092651.GT30901@lee--X1>
Date:	Fri, 8 Nov 2013 09:26:51 +0000
From:	Lee Jones <lee.jones@...aro.org>
To:	Linus Walleij <linus.walleij@...aro.org>
Cc:	Ulf Hansson <ulf.hansson@...aro.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/7] ARM: ux500: Remove ATAG support for SDI (MMC)

On Fri, 08 Nov 2013, Linus Walleij wrote:

> On Thu, Nov 7, 2013 at 1:07 PM, Lee Jones <lee.jones@...aro.org> wrote:
> 
> >> > -struct mmci_platform_data mop500_sdi0_data = {
> >> > -       .f_max          = 100000000,
> >> > -       .capabilities   = MMC_CAP_4_BIT_DATA |
> >> > -                               MMC_CAP_SD_HIGHSPEED |
> >> > -                               MMC_CAP_MMC_HIGHSPEED |
> >> > -                               MMC_CAP_ERASE |
> >> > -                               MMC_CAP_UHS_SDR12 |
> >> > -                               MMC_CAP_UHS_SDR25,
> >>
> >> I guess all the above caps is having binders in DT then?
> >
> > They're not there yet, no. But this stuff is not used anymore in
> > Mainline hence the patch. I attempted to supply bindings for them, but
> > they were rejected. Would you like to have a stab at that?
> 
> Yeah but we basically regressed the ux500 with the patch now
> queued for v3.13:
> commit 49c129519a7a8840767321c38d2eaf84a263529b
> "ARM: ux500: Stop passing MMC's platform data for Device Tree boots"
> 
> Which deleted the passing of this non-yet-DT:ed platform
> data.
> 
> Since it's a regression we need to do a fixup patch for the
> v3.13 series adding it back.

Okay, do you want me to do that?

> Since this patch probably needs to be rewritten on top of
> that I don't merge this patch as of now.

Sure.

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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