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From: Vinod Koul <vkoul@kernel.org>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Peng Fan <peng.fan@nxp.com>,
	linux-can@vger.kernel.org, linux-phy@lists.infradead.org,
	linux-kernel@vger.kernel.org,
	Marc Kleine-Budde <mkl@pengutronix.de>,
	Vincent Mailhol <mailhol@kernel.org>,
	Neil Armstrong <neil.armstrong@linaro.org>,
	Josua Mayer <josua@solid-run.com>, Ulf Hansson <ulfh@kernel.org>
Subject: Re: [PATCH v3 0/4] phy: phy-can-transceiver: Ad-hoc cleanups and refactoring
Date: Mon, 11 May 2026 21:47:42 +0530	[thread overview]
Message-ID: <agIBJsOl4Trk4_KN@vaman> (raw)
In-Reply-To: <agB_aj_2hzF3ON2h@ashevche-desk.local>

On 10-05-26, 15:51, Andy Shevchenko wrote:
> On Sun, May 10, 2026 at 04:21:38PM +0530, Vinod Koul wrote:
> > On 04-05-26, 08:58, Andy Shevchenko wrote:
> > > The driver does two things that need to be addressed:
> > > - includes subject to remove gpio.h
> > > - checks for error code from device property APIs when it can be done in
> > >   a robust way
> > > 
> > > This series addresses the above and adds a couple of additional refactoring.
> > 
> > Sashiko flagged some issues, some of them not introduced by this, can
> > you please check this:
> > 
> > https://sashiko.dev/#/patchset/20260504070054.29508-1-andriy.shevchenko%40linux.intel.com
> 
> "Could this result in a null pointer dereference if device_get_match_data()
> returns null?"
> Yes, it sounds legit but not introduced here.
> 
> "In the original code, the warning was suppressed when the property was missing
> because err evaluated to -EINVAL. Now, if the property is absent, max_bitrate
> is explicitly set to 0 in the else block, which then unconditionally triggers
> this warning."
> True, but I don't know which is better here, I consider that it's
> good to inform user about default being used as a fallback. I can change
> this back to the original logic. What do you prefer?
> 
> The third one is the repetition of the first one (see above).
> 
> TL;DR: The only one legitimated question is about a (new old) warning.

Yeah would be great if we could fix these as well please

-- 
~Vinod

WARNING: multiple messages have this Message-ID (diff)
From: Vinod Koul <vkoul@kernel.org>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Peng Fan <peng.fan@nxp.com>,
	linux-can@vger.kernel.org, linux-phy@lists.infradead.org,
	linux-kernel@vger.kernel.org,
	Marc Kleine-Budde <mkl@pengutronix.de>,
	Vincent Mailhol <mailhol@kernel.org>,
	Neil Armstrong <neil.armstrong@linaro.org>,
	Josua Mayer <josua@solid-run.com>, Ulf Hansson <ulfh@kernel.org>
Subject: Re: [PATCH v3 0/4] phy: phy-can-transceiver: Ad-hoc cleanups and refactoring
Date: Mon, 11 May 2026 21:47:42 +0530	[thread overview]
Message-ID: <agIBJsOl4Trk4_KN@vaman> (raw)
In-Reply-To: <agB_aj_2hzF3ON2h@ashevche-desk.local>

On 10-05-26, 15:51, Andy Shevchenko wrote:
> On Sun, May 10, 2026 at 04:21:38PM +0530, Vinod Koul wrote:
> > On 04-05-26, 08:58, Andy Shevchenko wrote:
> > > The driver does two things that need to be addressed:
> > > - includes subject to remove gpio.h
> > > - checks for error code from device property APIs when it can be done in
> > >   a robust way
> > > 
> > > This series addresses the above and adds a couple of additional refactoring.
> > 
> > Sashiko flagged some issues, some of them not introduced by this, can
> > you please check this:
> > 
> > https://sashiko.dev/#/patchset/20260504070054.29508-1-andriy.shevchenko%40linux.intel.com
> 
> "Could this result in a null pointer dereference if device_get_match_data()
> returns null?"
> Yes, it sounds legit but not introduced here.
> 
> "In the original code, the warning was suppressed when the property was missing
> because err evaluated to -EINVAL. Now, if the property is absent, max_bitrate
> is explicitly set to 0 in the else block, which then unconditionally triggers
> this warning."
> True, but I don't know which is better here, I consider that it's
> good to inform user about default being used as a fallback. I can change
> this back to the original logic. What do you prefer?
> 
> The third one is the repetition of the first one (see above).
> 
> TL;DR: The only one legitimated question is about a (new old) warning.

Yeah would be great if we could fix these as well please

-- 
~Vinod

-- 
linux-phy mailing list
linux-phy@lists.infradead.org
https://lists.infradead.org/mailman/listinfo/linux-phy

  reply	other threads:[~2026-05-11 16:17 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-05-04  6:58 [PATCH v3 0/4] phy: phy-can-transceiver: Ad-hoc cleanups and refactoring Andy Shevchenko
2026-05-04  6:58 ` Andy Shevchenko
2026-05-04  6:58 ` [PATCH v3 1/4] phy: phy-can-transceiver: use device_get_match_data() Andy Shevchenko
2026-05-04  6:58   ` Andy Shevchenko
2026-05-04  6:58 ` [PATCH v3 2/4] phy: phy-can-transceiver: Move OF ID table closer to their user Andy Shevchenko
2026-05-04  6:58   ` Andy Shevchenko
2026-05-04  6:58 ` [PATCH v3 3/4] phy: phy-can-transceiver: Don't check for specific errors when parsing properties Andy Shevchenko
2026-05-04  6:58   ` Andy Shevchenko
2026-05-04  6:58 ` [PATCH v3 4/4] phy: phy-can-transceiver: Drop unused include Andy Shevchenko
2026-05-04  6:58   ` Andy Shevchenko
2026-05-10 10:51 ` [PATCH v3 0/4] phy: phy-can-transceiver: Ad-hoc cleanups and refactoring Vinod Koul
2026-05-10 10:51   ` Vinod Koul
2026-05-10 12:51   ` Andy Shevchenko
2026-05-10 12:51     ` Andy Shevchenko
2026-05-11 16:17     ` Vinod Koul [this message]
2026-05-11 16:17       ` Vinod Koul
2026-05-12 13:06       ` Andy Shevchenko
2026-05-12 13:06         ` Andy Shevchenko

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