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Subject: Re: [PATCH v1 0/2] Kconfig changes to enable Graphics Support for
 S390
To:     Farhan Ali <alifm@linux.vnet.ibm.com>,
        Geert Uytterhoeven <geert@linux-m68k.org>
Cc:     Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        linux-s390 <linux-s390@vger.kernel.org>,
        Linux Fbdev development list <linux-fbdev@vger.kernel.org>,
        Martin Schwidefsky <schwidefsky@de.ibm.com>,
        Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>,
        Tomi Valkeinen <tomi.valkeinen@ti.com>
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From:   Christian Borntraeger <borntraeger@de.ibm.com>
Date:   Tue, 30 Jan 2018 14:22:38 +0100
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Yes, merging sounds good.
Farhan, can you maybe resend t whole series together with your CONFIG_VT rework?


On 01/26/2018 05:26 PM, Farhan Ali wrote:
> 
> 
> On 01/26/2018 10:06 AM, Geert Uytterhoeven wrote:
>>> Hi Geert,
>>>
>>> I wasn't sure what would be the best ordering since we would never hit the
>>> issue if patch 1 didn't exist. But if the preference is to invert the
>>> ordering of patches, then I will change the ordering.
>> Alternatively, you can combine two patches into a single patch, which
>> moves the dependency from the whole subsystem to the driver that needs
>> it (are there more?).
>>
>> Gr{oetje,eeting}s,
>>
>>                          Geert
> 
> 
> I like the idea of combining both patches into one.
> 
> There are other fbdev drivers that use iomem (found by grepping for "devm_ioremap_resource"):
> 
> CONFIG_FB_S3C (s3c-fb.c)
> 
> CONFIG_FB_CLPS711X (clps711x-fb.c)
> 
> CONFIG_FB_JZ4740 (jz4740_fb.c)
> 
> CONFIG_FB_DA8XX (da8xx-fb.c)
> 
> CONFIG_FB_WM8505 (wm8505fb.c)
> 
> CONFIG_OMAP2_VRFB (omap2/omapfb/vrfb.c)
> 
> CONFIG_FB_OMAP2 (omap2/omapfb/dss/*
> 
> CONFIG_FB_MXS (mxsfb.c)
> 
> CONFIG_PXA3XX_GCU (pxa3xx-gcu.c)
> 
> CONFIG_FB_XILINX (xilinxfb.c)
> 
> 
> All of these are already fenced off by architecture dependencies (which I am assuming enables CONFIG_HAS_IOMEM by default). If we want to be cautious I can add HAS_IOMEM dependency for all of them.
> 
> Thanks
> Farhan