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authorNiklas Cassel <cassel@kernel.org>2026-09-18 14:40:32 +0200
committerNiklas Cassel <cassel@kernel.org>2026-09-21 13:08:58 +0200
commite6bae5034ef4a61f3f062b18140d4f58c8b9a149 (patch)
tree5ba0484045bb6875b66a5b5d4ad6a7eac0e9bbed /scripts/Makefile.modfinal
parent8d836581f9b1f57ceaa2b47654754ef1260b410b (diff)
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ata: libata-core: Extend Samsung LPM quirk to AMD controllers
A Samsung SSD 870 QVO 8TB connected to an AMD 600 Series chipset SATA controller is reported to time out on STANDBY IMMEDIATE during system suspend with med_power_with_dipm enabled. The command completes when using max_performance instead. The existing Samsung LPM quirk only matches ATI controllers, leaving AMD controllers unaffected. Rename it to ATA_QUIRK_NO_LPM_ON_ATI_AND_AMD and extend the vendor check to AMD for the same Samsung SSD model patterns. Keep LPM behavior unchanged for other controller vendors, including Intel. Leave ATA_QUIRK_NO_NCQ_ON_ATI restricted to ATI, since the reported AMD issue concerns LPM rather than NCQ. Link: https://bugzilla.kernel.org/show_bug.cgi?id=221986 Reviewed-by: Damien Le Moal <dlemoal@kernel.org> Reviewed-by: Mario Limonciello (AMD) <superm1@kernel.org>> --- Link: https://lore.kernel.org/r/20260918124030.1962773-5-cassel@kernel.org Signed-off-by: Niklas Cassel <cassel@kernel.org>
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