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-rw-r--r--include/linux/ata.h13
1 files changed, 9 insertions, 4 deletions
diff --git a/include/linux/ata.h b/include/linux/ata.h
index 21292b5bbb55..868bfd503aee 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -771,16 +771,21 @@ static inline bool ata_id_has_read_log_dma_ext(const u16 *id)
static inline bool ata_id_has_sense_reporting(const u16 *id)
{
- if (!(id[ATA_ID_CFS_ENABLE_2] & (1 << 15)))
+ if (!(id[ATA_ID_CFS_ENABLE_2] & BIT(15)))
+ return false;
+ if ((id[ATA_ID_COMMAND_SET_3] & (BIT(15) | BIT(14))) != BIT(14))
return false;
- return id[ATA_ID_COMMAND_SET_3] & (1 << 6);
+ return id[ATA_ID_COMMAND_SET_3] & BIT(6);
}
static inline bool ata_id_sense_reporting_enabled(const u16 *id)
{
- if (!(id[ATA_ID_CFS_ENABLE_2] & (1 << 15)))
+ if (!ata_id_has_sense_reporting(id))
+ return false;
+ /* ata_id_has_sense_reporting() == true, word 86 must have bit 15 set */
+ if ((id[ATA_ID_COMMAND_SET_4] & (BIT(15) | BIT(14))) != BIT(14))
return false;
- return id[ATA_ID_COMMAND_SET_4] & (1 << 6);
+ return id[ATA_ID_COMMAND_SET_4] & BIT(6);
}
/**