linux-kernel - Re: [PATCH v2] ata: libata-core: Simplies if condition

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Message-ID: <OS0P286MB06283D2E74F02D7C541E46D79E6B9@OS0P286MB0628.JPNP286.PROD.OUTLOOK.COM>
Date:   Fri, 28 Apr 2023 09:53:58 +0800
From:   Yahu Gao <yahu.gao@...look.com>
To:     dlemoal@...nel.org
Cc:     linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org,
        Yahu Gao <gaoyh12@...ovo.com>, Jiwei Sun <sunjw10@...ovo.com>
Subject: Re: [PATCH v2] ata: libata-core: Simplies if condition

ping ...

在 2023/4/22 20:14, Yahu Gao 写道:
> From: Yahu Gao <gaoyh12@...ovo.com>
>
> Replace conditions of avoid issuing [P]IDENTIFY to PMP.
>
> Reviewed-by: Jiwei Sun <sunjw10@...ovo.com>
> Signed-off-by: Yahu Gao <gaoyh12@...ovo.com>
>
> diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
> index 14c17c3bda4e..53f65d751189 100644
> --- a/drivers/ata/libata-core.c
> +++ b/drivers/ata/libata-core.c
> @@ -3802,11 +3802,7 @@ int ata_dev_revalidate(struct ata_device *dev, unsigned int new_class,
>   		return -ENODEV;
>   
>   	/* fail early if !ATA && !ATAPI to avoid issuing [P]IDENTIFY to PMP */
> -	if (ata_class_enabled(new_class) &&
> -	    new_class != ATA_DEV_ATA &&
> -	    new_class != ATA_DEV_ATAPI &&
> -	    new_class != ATA_DEV_ZAC &&
> -	    new_class != ATA_DEV_SEMB) {
> +	if (new_class == ATA_DEV_PMP) {
>   		ata_dev_info(dev, "class mismatch %u != %u\n",
>   			     dev->class, new_class);
>   		rc = -ENODEV;