linux-kernel - [PATCH 4.19 55/58] ata: libata-core: Disable TRIM on M88V29

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Message-Id: <20220221084913.646608512@linuxfoundation.org>
Date:   Mon, 21 Feb 2022 09:49:48 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Zoltán Böszörményi 
        <zboszor@...il.com>,
        Damien Le Moal <damien.lemoal@...nsource.wdc.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.19 55/58] ata: libata-core: Disable TRIM on M88V29

From: Zoltán Böszörményi <zboszor@...il.com>

[ Upstream commit c8ea23d5fa59f28302d4e3370c75d9c308e64410 ]

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>
Signed-off-by: Damien Le Moal <damien.lemoal@...nsource.wdc.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 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 46eacba2613b8..33d3728f36222 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4613,6 +4613,7 @@ 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
-- 
2.34.1