The Samsung SSD 850 drive needs a quirk to limit ATA requests to 15
sectors, otherwise one will face lots of read/write errors.
Alternatively the "sata_sil.slow_down=1" kernel module option can be set
on the command line to limit all attached drives.
Tested on a HP C8000 PA-RISC workstation.
Signed-off-by: Helge Deller <deller@xxxxxx>
diff --git a/drivers/ata/sata_sil.c b/drivers/ata/sata_sil.c
index 25b6a52be5ab..8b8522d9166c 100644
--- a/drivers/ata/sata_sil.c
+++ b/drivers/ata/sata_sil.c
@@ -141,6 +141,7 @@ static const struct sil_drivelist {
{ "ST3120022ASL", SIL_QUIRK_MOD15WRITE },
{ "ST3160021ASL", SIL_QUIRK_MOD15WRITE },
{ "TOSHIBA MK2561GSYN", SIL_QUIRK_MOD15WRITE },
+ { "Samsung SSD 850", SIL_QUIRK_MOD15WRITE },
{ "Maxtor 4D060H3", SIL_QUIRK_UDMA5MAX },
{ }
};
