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Subject: Re: [RFC PATCH 16/35] hwmon: (sis5595) Change PCIBIOS_SUCCESSFUL to 0
To:     "Saheed O. Bolarinwa" <refactormyself@gmail.com>,
        helgaas@kernel.org, Jean Delvare <jdelvare@suse.com>
Cc:     bjorn@helgaas.com, skhan@linuxfoundation.org,
        linux-pci@vger.kernel.org,
        linux-kernel-mentees@lists.linuxfoundation.org,
        linux-kernel@vger.kernel.org, linux-hwmon@vger.kernel.org
References: <20200713122247.10985-1-refactormyself@gmail.com>
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From:   Guenter Roeck <linux@roeck-us.net>
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Message-ID: <cbbdf8c5-347b-0638-bc5f-c6c8469b8aa4@roeck-us.net>
Date:   Mon, 13 Jul 2020 22:02:38 -0700
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Sender: linux-kernel-owner@vger.kernel.org
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On 7/13/20 5:22 AM, Saheed O. Bolarinwa wrote:
> In reference to the PCI spec (Chapter 2), PCIBIOS* is an x86 concept.
> Their scope should be limited within arch/x86.
> 
> Change all PCIBIOS_SUCCESSFUL to 0
> 
> Signed-off-by: "Saheed O. Bolarinwa" <refactormyself@gmail.com>
> ---
>  drivers/hwmon/sis5595.c | 8 ++++----
>  drivers/hwmon/via686a.c | 8 ++++----
>  drivers/hwmon/vt8231.c  | 8 ++++----
>  3 files changed, 12 insertions(+), 12 deletions(-)
> 
> diff --git a/drivers/hwmon/sis5595.c b/drivers/hwmon/sis5595.c
> index 0c6741f949f5..0ea174fb3048 100644
> --- a/drivers/hwmon/sis5595.c
> +++ b/drivers/hwmon/sis5595.c
> @@ -825,7 +825,7 @@ static int sis5595_pci_probe(struct pci_dev *dev,
>  		pci_write_config_word(dev, SIS5595_BASE_REG, force_addr);
>  	}
>  
> -	if (PCIBIOS_SUCCESSFUL !=
> +	if (0 !=
>  	    pci_read_config_word(dev, SIS5595_BASE_REG, &address)) {

Yoda programming already terrible is, but "0 !=" is even worse than that
(and completely unnecessary). If you want to clean this up, do it right
and drop those unnecessary comparisons.

Guenter