linux-kernel - Re: [PATCH] remoteproc: use %d format string to print return error code

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Message-ID: <YYErBcJlkTi0sJ/N@shell.armlinux.org.uk>
Date:   Tue, 2 Nov 2021 12:11:49 +0000
From:   "Russell King (Oracle)" <linux@...linux.org.uk>
To:     Mark-PK Tsai <mark-pk.tsai@...iatek.com>
Cc:     ohad@...ery.com, bjorn.andersson@...aro.org,
        mathieu.poirier@...aro.org, matthias.bgg@...il.com,
        linux-remoteproc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, yj.chiang@...iatek.com
Subject: Re: [PATCH] remoteproc: use %d format string to print return error
 code

On Tue, Nov 02, 2021 at 08:08:05PM +0800, Mark-PK Tsai wrote:
> Use %d format string to print return error code which
> make the error message easier to understand.

Even better, if you use %pe after converting "ret" to a pointer via
ERR_PTR(ret), when the kernel is appropriately configured, the kernel
will give a textual version of the error code, which is even easier!

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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