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-rw-r--r--drivers/ata/libata-core.c11
-rw-r--r--include/linux/ata.h1
-rw-r--r--include/linux/libata.h2
3 files changed, 14 insertions, 0 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 2c737e63a0b9..08cc43b6bf46 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -3139,6 +3139,10 @@ int ata_dev_configure(struct ata_device *dev)
dev->max_sectors = min_t(unsigned int, ATA_MAX_SECTORS_1024,
dev->max_sectors);
+ if (dev->quirks & ATA_QUIRK_MAX_SEC_8191)
+ dev->max_sectors = min_t(unsigned int, ATA_MAX_SECTORS_8191,
+ dev->max_sectors);
+
if (dev->quirks & ATA_QUIRK_MAX_SEC_LBA48)
dev->max_sectors = ATA_MAX_SECTORS_LBA48;
@@ -3991,6 +3995,7 @@ static const char * const ata_quirk_names[] = {
[__ATA_QUIRK_NO_DMA_LOG] = "nodmalog",
[__ATA_QUIRK_NOTRIM] = "notrim",
[__ATA_QUIRK_MAX_SEC_1024] = "maxsec1024",
+ [__ATA_QUIRK_MAX_SEC_8191] = "maxsec8191",
[__ATA_QUIRK_MAX_TRIM_128M] = "maxtrim128m",
[__ATA_QUIRK_NO_NCQ_ON_ATI] = "noncqonati",
[__ATA_QUIRK_NO_LPM_ON_ATI] = "nolpmonati",
@@ -4097,6 +4102,12 @@ static const struct ata_dev_quirks_entry __ata_dev_quirks[] = {
{ "LITEON CX1-JB*-HP", NULL, ATA_QUIRK_MAX_SEC_1024 },
{ "LITEON EP1-*", NULL, ATA_QUIRK_MAX_SEC_1024 },
+ /*
+ * These devices time out with higher max sects.
+ * https://bugzilla.kernel.org/show_bug.cgi?id=220693
+ */
+ { "DELLBOSS VD", "MV.R00-0", ATA_QUIRK_MAX_SEC_8191 },
+
/* Devices we expect to fail diagnostics */
/* Devices where NCQ should be avoided */
diff --git a/include/linux/ata.h b/include/linux/ata.h
index 792e10a09787..1786e7b1165f 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -29,6 +29,7 @@ enum {
ATA_MAX_SECTORS_128 = 128,
ATA_MAX_SECTORS = 256,
ATA_MAX_SECTORS_1024 = 1024,
+ ATA_MAX_SECTORS_8191 = 8191,
ATA_MAX_SECTORS_LBA48 = 65535,/* avoid count to be 0000h */
ATA_MAX_SECTORS_TAPE = 65535,
ATA_MAX_TRIM_RNUM = 64, /* 512-byte payload / (6-byte LBA + 2-byte range per entry) */
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 9aa0541dc62d..abdc7b6f176c 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -75,6 +75,7 @@ enum ata_quirks {
__ATA_QUIRK_NO_DMA_LOG, /* Do not use DMA for log read */
__ATA_QUIRK_NOTRIM, /* Do not use TRIM */
__ATA_QUIRK_MAX_SEC_1024, /* Limit max sects to 1024 */
+ __ATA_QUIRK_MAX_SEC_8191, /* Limit max sects to 8191 */
__ATA_QUIRK_MAX_TRIM_128M, /* Limit max trim size to 128M */
__ATA_QUIRK_NO_NCQ_ON_ATI, /* Disable NCQ on ATI chipset */
__ATA_QUIRK_NO_LPM_ON_ATI, /* Disable LPM on ATI chipset */
@@ -115,6 +116,7 @@ enum {
ATA_QUIRK_NO_DMA_LOG = (1U << __ATA_QUIRK_NO_DMA_LOG),
ATA_QUIRK_NOTRIM = (1U << __ATA_QUIRK_NOTRIM),
ATA_QUIRK_MAX_SEC_1024 = (1U << __ATA_QUIRK_MAX_SEC_1024),
+ ATA_QUIRK_MAX_SEC_8191 = (1U << __ATA_QUIRK_MAX_SEC_8191),
ATA_QUIRK_MAX_TRIM_128M = (1U << __ATA_QUIRK_MAX_TRIM_128M),
ATA_QUIRK_NO_NCQ_ON_ATI = (1U << __ATA_QUIRK_NO_NCQ_ON_ATI),
ATA_QUIRK_NO_LPM_ON_ATI = (1U << __ATA_QUIRK_NO_LPM_ON_ATI),