linux-kernel - [PATCH] libata: add horkage for ASMedia 1092

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Message-Id: <20200205082930.113885-1-hare@suse.de>
Date:   Wed,  5 Feb 2020 09:29:30 +0100
From:   Hannes Reinecke <hare@...e.de>
To:     Jens Axboe <axboe@...nel.dk>
Cc:     Bartolomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        linux-ide@...r.kernel.org,
        Linux Kernel Mailinglist <linux-kernel@...r.kernel.org>,
        Hannes Reinecke <hare@...e.de>, Hannes Reinecke <hare@...e.com>
Subject: [PATCH] libata: add horkage for ASMedia 1092

The ASMedia 1092 has a configuration mode which will present a
dummy device; sadly the implementation falsely claims to provide
a device with 100M which doesn't actually exist.
So disable this device to avoid errors during boot.

Signed-off-by: Hannes Reinecke <hare@...e.com>
---
 drivers/ata/libata-core.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 9c05177e09c2..f1a2f0a4ce05 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4416,6 +4416,8 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
 	{ "VRFDFC22048UCHC-TE*", NULL,		ATA_HORKAGE_NODMA },
 	/* Odd clown on sil3726/4726 PMPs */
 	{ "Config  Disk",	NULL,		ATA_HORKAGE_DISABLE },
+	/* Similar story with ASMedia 1092 */
+	{ "ASMT109x- Config",	NULL,		ATA_HORKAGE_DISABLE },
 
 	/* Weird ATAPI devices */
 	{ "TORiSAN DVD-ROM DRD-N216", NULL,	ATA_HORKAGE_MAX_SEC_128 },
-- 
2.16.4