linux-kernel - RE: [PATCH] mmc: sh_mmcif: Use platform_get_irq

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Message-ID: <TYAPR01MB454472C76E03930717A2898BD89C0@TYAPR01MB4544.jpnprd01.prod.outlook.com>
Date:   Wed, 2 Oct 2019 08:26:00 +0000
From:   Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>
To:     Wolfram Sang <wsa@...-dreams.de>,
        Geert Uytterhoeven <geert+renesas@...der.be>
CC:     Ulf Hansson <ulf.hansson@...aro.org>,
        Wolfram Sang <wsa+renesas@...g-engineering.com>,
        Jiri Slaby <jslaby@...e.com>,
        Stephen Boyd <swboyd@...omium.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "linux-renesas-soc@...r.kernel.org" 
        <linux-renesas-soc@...r.kernel.org>,
        "linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH] mmc: sh_mmcif: Use platform_get_irq_optional() for
 optional interrupt

Hi,

> From: Wolfram Sang, Sent: Wednesday, October 2, 2019 5:16 PM
<snip>
> Tested on a R-Car H2: it does make the error message go away and the
> MMCIF device acts normal during boot. Can't enter userspace currently
> with v5.4-rc1 but this is unrelated to this patch and MMCIF. Looks like a
> configuration thing on my side, so I will still give:

I also should have reported this though, my environment (R-Car H2 + NFS +
buildroot on v5.4-rc1 with shmobile_defconfig) also has a similar issue
like the following:

[    3.573488] VFS: Mounted root (nfs filesystem) on device 0:16.
[    3.579869] devtmpfs: mounted
[    3.588014] Freeing unused kernel memory: 1024K
[    3.651771] Run /sbin/init as init process
Starting syslogd: OK
Starting klogd: OK
Initializing random number generator... [    4.073629] random: dd: uninitialized urandom read (512 bytes read)
urandom start: failed.
done.
Starting network: ip: OVERRUN: Bad address
ip: OVERRUN: Bad address
ip: OVERRUN: Bad address

Best regards,
Yoshihiro Shimoda