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From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: "Uwe Kleine-König (The Capable Hub)" <u.kleine-koenig@baylibre.com>
Cc: "Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
	"Jiri Slaby" <jirislaby@kernel.org>,
	"Florian Eckert" <fe@dev.tdt.de>,
	"Martin Roukala (né Peres)" <martin.roukala@mupuf.org>,
	"Kees Cook" <kees@kernel.org>,
	linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org
Subject: Re: [PATCH] serial: 8250_pci: Don't specify conflicting values to pci_device_id members
Date: Wed, 3 Jun 2026 13:45:33 +0300	[thread overview]
Message-ID: <aiAFzfU4jsB2iAXi@ashevche-desk.local> (raw)
In-Reply-To: <20260603095616.937968-2-u.kleine-koenig@baylibre.com>

On Wed, Jun 03, 2026 at 11:56:16AM +0200, Uwe Kleine-König (The Capable Hub) wrote:
> The PCI_VDEVICE macro assigns 0 to .class and .class_mask to allow the
> next value in the initializer to define the value for .driver_data.
> 
> So the construct
> 
> 	{
> 		PCI_VDEVICE(INTASHIELD, 0x0D21),
> 		.class = PCI_CLASS_COMMUNICATION_MULTISERIAL << 8,
> 		.class_mask = 0xffff00,
> 		.driver_data = pbn_b2_4_115200,
> 	},
> 
> introduced in commit 44e55f1f3088 ("serial: 8250_pci: Consistently
> define pci_device_ids using named initializers") has conflicting
> assignments. In only some configurations (i.e. W=1 for me) that makes
> the compiler unhappy.
> 
> So convert the two affected items to PCI_DEVICE which doesn't have that
> hidden assigment to .class and .class_mask.

Reported-by? Closes?

> Fixes: 44e55f1f3088 ("serial: 8250_pci: Consistently define pci_device_ids using named initializers")
> Signed-off-by: Uwe Kleine-König (The Capable Hub) <u.kleine-koenig@baylibre.com>

I will test it right away.

-- 
With Best Regards,
Andy Shevchenko



  reply	other threads:[~2026-06-03 10:45 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-03  9:56 [PATCH] serial: 8250_pci: Don't specify conflicting values to pci_device_id members Uwe Kleine-König (The Capable Hub)
2026-06-03 10:45 ` Andy Shevchenko [this message]
2026-06-03 10:51   ` Andy Shevchenko
2026-06-03 11:22     ` Uwe Kleine-König (The Capable Hub)

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