From: "Russell King (Oracle)" <linux@armlinux.org.uk>
To: Mark-PK Tsai <mark-pk.tsai@mediatek.com>
Cc: ohad@wizery.com, bjorn.andersson@linaro.org,
mathieu.poirier@linaro.org, matthias.bgg@gmail.com,
linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org, yj.chiang@mediatek.com
Subject: Re: [PATCH] remoteproc: use %d format string to print return error code
Date: Tue, 2 Nov 2021 12:11:49 +0000 [thread overview]
Message-ID: <YYErBcJlkTi0sJ/N@shell.armlinux.org.uk> (raw)
In-Reply-To: <20211102120805.27137-1-mark-pk.tsai@mediatek.com>
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/
FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!
_______________________________________________
Linux-mediatek mailing list
Linux-mediatek@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-mediatek
WARNING: multiple messages have this Message-ID (diff)
From: "Russell King (Oracle)" <linux@armlinux.org.uk>
To: Mark-PK Tsai <mark-pk.tsai@mediatek.com>
Cc: ohad@wizery.com, bjorn.andersson@linaro.org,
mathieu.poirier@linaro.org, matthias.bgg@gmail.com,
linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org, yj.chiang@mediatek.com
Subject: Re: [PATCH] remoteproc: use %d format string to print return error code
Date: Tue, 2 Nov 2021 12:11:49 +0000 [thread overview]
Message-ID: <YYErBcJlkTi0sJ/N@shell.armlinux.org.uk> (raw)
In-Reply-To: <20211102120805.27137-1-mark-pk.tsai@mediatek.com>
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/
FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!
WARNING: multiple messages have this Message-ID (diff)
From: "Russell King (Oracle)" <linux@armlinux.org.uk>
To: Mark-PK Tsai <mark-pk.tsai@mediatek.com>
Cc: ohad@wizery.com, bjorn.andersson@linaro.org,
mathieu.poirier@linaro.org, matthias.bgg@gmail.com,
linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org, yj.chiang@mediatek.com
Subject: Re: [PATCH] remoteproc: use %d format string to print return error code
Date: Tue, 2 Nov 2021 12:11:49 +0000 [thread overview]
Message-ID: <YYErBcJlkTi0sJ/N@shell.armlinux.org.uk> (raw)
In-Reply-To: <20211102120805.27137-1-mark-pk.tsai@mediatek.com>
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/
FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-11-02 12:12 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-02 12:08 [PATCH] remoteproc: use %d format string to print return error code Mark-PK Tsai
2021-11-02 12:08 ` Mark-PK Tsai
2021-11-02 12:08 ` Mark-PK Tsai
2021-11-02 12:11 ` Russell King (Oracle) [this message]
2021-11-02 12:11 ` Russell King (Oracle)
2021-11-02 12:11 ` Russell King (Oracle)
2021-11-02 14:04 ` Mark-PK Tsai
2021-11-02 14:04 ` Mark-PK Tsai
2021-11-02 14:04 ` Mark-PK Tsai
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