Re: [PATCH] soc: renesas: rz-sysc: Suppress binding attributes

["claudiu beznea (tuxon)" <claudiu.beznea@tuxon.dev>]

Hi, Geert,

On 2/20/25 18:37, Geert Uytterhoeven wrote:
> Hi Claudiu,
>
> On Thu, 20 Feb 2025 at 17:00, Geert Uytterhoeven <geert@linux-m68k.org> wrote:
>> On Sat, 15 Feb 2025 at 14:18, Claudiu <claudiu.beznea@tuxon.dev> wrote:
>>> From: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
>>>
>>> The matching data for the rz-sysc driver is marked with __initconst, which
>>> means it is discarded after initialization. Because of this, attempting to
>>> unbind/bind the driver through sysfs after system boot can lead to "Unable
>>> to handle kernel paging request at virtual address" errors due to accessing
>>> freed memory.
>>>
>>> Since the System Controller (SYSC) is an essential block for Renesas SoCs,
>>> suppress binding attributes to prevent them being exposed in sysfs,
>>> avoiding potential issues.
>>>
>>> Fixes: 1660e5ea6a3e ("soc: renesas: Add SYSC driver for Renesas RZ family")
>>> Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
>> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
>> i.e. will queue in renesas-devel for v6.15.
> As the offending commit is only in renesas-devel, I'll fold the fix into
> the original commit.

Sure, thank you!

>
> Gr{oetje,eeting}s,
>
>                          Geert
>