Re: [PATCH 1/2] ARM: zii-vf610-dev: fix boot from SD

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Hi Sascha,

On Tue, 22 Jan 2019 08:40:03 +0100, Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> wrote:
> On Mon, Jan 21, 2019 at 12:53:04PM -0500, Vivien Didelot wrote:
> > VF610 Dev Rev B and VF610 Dev Rev C boot from SD card attached to
> > SDHCI1, and CFU1, SPU3 and SCU4 boot from eMMC attached to SDHCI2.
> > 
> > Since 5f99a8d40305 ("dts: VFxxx: Add aliases for ESDHC controllers"),
> > these devices were renamed from mci0 and mci1 to mmc1 and mmc2.
> > 
> > To fix this, completely drop the automount-sd script, probe mmcX from
> > the boot/sd script directly and use the mountpoint /mnt/mmcX.0 from
> > there. At the same time, make the sd variable non global.
> > 
> > Signed-off-by: Vivien Didelot <vivien.didelot@xxxxxxxxx>
> > ---
> > --- a/arch/arm/boards/zii-vf610-dev/defaultenv-zii-vf610-dev/init/automount-sd
> > +++ /dev/null
> > @@ -1,13 +0,0 @@
> > -#!/bin/sh
> > -
> > -if [ x${global.hostname} = xdev-rev-b -o x${global.hostname} = xdev-rev-c ];
> > -then
> > -    global sd=0
> > -else
> > -    global sd=1
> > -fi
> > -
> > -mkdir -p /mnt/sd
> > -automount /mnt/sd 'mci${global.sd}.probe=1 && mount /dev/disk${global.sd}.0 /mnt/sd'
> 
> Any special reason you evaluate $global.sd at the time the automount is
> executed? I would expect a local variable here and the command put in
> "" rather than ''

I'm not sure to understand your question. As stated in the commit
message, this patch gets rid of this automount script and use a local
variable 'sd' in the boot/sd script instead.

That said, please wait for Andrey to review and confirm that the SD
card slot on CFU and other boards is mmc2, because I only have ZII
Dev boards with me (which use mmc1).


Thanks,

	Vivien

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