linux-kernel - Re: [PATCH] libata: add horkage for M88V29

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Date:   Tue, 8 Feb 2022 17:07:30 +0900
From:   Damien Le Moal <damien.lemoal@...nsource.wdc.com>
To:     zboszor@...hu, linux-kernel@...r.kernel.org,
        linux-ide@...r.kernel.org
Cc:     zboszor@...il.com
Subject: Re: [PATCH] libata: add horkage for M88V29

On 2/4/22 21:57, zboszor@...hu wrote:
> From: Zoltán Böszörményi <zboszor@...il.com>
> 
> This device is a CF card, or possibly an SSD in CF form factor.
> It supports NCQ and high speed DMA.
> 
> While it also advertises TRIM support, I/O errors are reported
> when the discard mount option fstrim is used. TRIM also fails
> when disabling NCQ and not just as an NCQ command.
> 
> TRIM must be disabled for this device.
> 
> Signed-off-by: Zoltán Böszörményi <zboszor@...il.com>
> ---
>  drivers/ata/libata-core.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
> index 67f88027680a..4a7f58fcc411 100644
> --- a/drivers/ata/libata-core.c
> +++ b/drivers/ata/libata-core.c
> @@ -4028,6 +4028,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
>  
>  	/* devices that don't properly handle TRIM commands */
>  	{ "SuperSSpeed S238*",		NULL,	ATA_HORKAGE_NOTRIM, },
> +	{ "M88V29*",			NULL,	ATA_HORKAGE_NOTRIM, },
>  
>  	/*
>  	 * As defined, the DRAT (Deterministic Read After Trim) and RZAT

Applied to for-5.17-fixes. Thanks !

-- 
Damien Le Moal
Western Digital Research