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Message-ID: <7d475c6c-8bbf-86f4-b2d8-8bc11cb9043e@linux.intel.com>
Date: Mon, 27 May 2024 17:11:32 +0300 (EEST)
From: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
To: Dan Carpenter <dan.carpenter@...aro.org>
cc: Linus Walleij <linus.walleij@...aro.org>,
Bartosz Golaszewski <brgl@...ev.pl>,
Dmitry Baryshkov <dbaryshkov@...il.com>, linux-gpio@...r.kernel.org,
LKML <linux-kernel@...r.kernel.org>, stable@...r.kernel.org
Subject: Re: [PATCH 1/2] gpio: amd8111: Convert PCIBIOS_* return codes to
errnos
On Mon, 27 May 2024, Dan Carpenter wrote:
> On Mon, May 27, 2024 at 04:23:44PM +0300, Ilpo Järvinen wrote:
> > diff --git a/drivers/gpio/gpio-amd8111.c b/drivers/gpio/gpio-amd8111.c
> > index 6f3ded619c8b..3377667a28de 100644
> > --- a/drivers/gpio/gpio-amd8111.c
> > +++ b/drivers/gpio/gpio-amd8111.c
> > @@ -195,8 +195,10 @@ static int __init amd_gpio_init(void)
> >
> > found:
> > err = pci_read_config_dword(pdev, 0x58, &gp.pmbase);
> > - if (err)
> > + if (err) {
> > + err = pcibios_err_to_errno(err);
>
> The patch is correct, but is the CC to stable necessary? Is this a real
> concern?
>
> Most callers don't check. Linus Torvalds, once said something to the
> effect that if your PCI bus starts failing, there isn't anything the
> operating system can do, so checking is pointless. The only fix is to
> buy new hardware. There was a hotpluggable PCI back in the day but I
> don't think it exists any more.
I don't mind if the CC stable isn't there.
--
i.
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