linux-kernel - Re: [PATCH v1 1/5] mfd: intel_quark_i2c_gpio: revert "Constify static struct resources"

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Message-ID: <20210323091453.GL2916463@dell>
Date:   Tue, 23 Mar 2021 09:14:53 +0000
From:   Lee Jones <lee.jones@...aro.org>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     linux-kernel@...r.kernel.org,
        Rikard Falkeborn <rikard.falkeborn@...il.com>
Subject: Re: [PATCH v1 1/5] mfd: intel_quark_i2c_gpio: revert "Constify
 static struct resources"

On Tue, 02 Mar 2021, Andy Shevchenko wrote:

> The structures are used as place holders, so they are modified at run-time.
> Obviously they may not be constants.
> 
>   BUG: unable to handle page fault for address: d0643220
>   ...
>   CPU: 0 PID: 110 Comm: modprobe Not tainted 5.11.0+ #1
>   Hardware name: Intel Corp. QUARK/GalileoGen2, BIOS 0x01000200 01/01/2014
>   EIP: intel_quark_mfd_probe+0x93/0x1c0 [intel_quark_i2c_gpio]
> 
> This partially reverts the commit c4a164f41554d2899bed94bdcc499263f41787b4.
> 
> While at it, add a comment to avoid similar changes in the future.
> 
> Fixes: c4a164f41554 ("mfd: Constify static struct resources")
> Cc: Rikard Falkeborn <rikard.falkeborn@...il.com>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> ---
>  drivers/mfd/intel_quark_i2c_gpio.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)

Applied to -fixes for testing, thanks.

-- 
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
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