2022-03-03 13:29:25

by Paul Menzel

[permalink] [raw]
Subject: [PATCH 1/2] ata: ahci: Add new board low_power_no_debounce_delay

Some adapters d onot require the default 200 ms debounce delay in
`sata_link_resume()`. So, create the new board
`board_ahci_low_power_no_debounce_delay` with the link flag
`ATA_LFLAG_NO_DEBOUNCE_DELAY`.

Signed-off-by: Paul Menzel <[email protected]>
Cc: Hans de Goede <[email protected]>
Cc: Mario Limonciello <[email protected]>
---
drivers/ata/ahci.c | 9 +++++++++
1 file changed, 9 insertions(+)

diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 84456c05e845..0fc09b86a559 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -51,6 +51,7 @@ enum board_ids {
board_ahci,
board_ahci_ign_iferr,
board_ahci_low_power,
+ board_ahci_low_power_no_debounce_delay,
board_ahci_no_debounce_delay,
board_ahci_nomsi,
board_ahci_noncq,
@@ -142,6 +143,14 @@ static const struct ata_port_info ahci_port_info[] = {
.udma_mask = ATA_UDMA6,
.port_ops = &ahci_ops,
},
+ [board_ahci_low_power_no_debounce_delay] = {
+ AHCI_HFLAGS (AHCI_HFLAG_USE_LPM_POLICY),
+ .flags = AHCI_FLAG_COMMON,
+ .link_flags = ATA_LFLAG_NO_DEBOUNCE_DELAY,
+ .pio_mask = ATA_PIO4,
+ .udma_mask = ATA_UDMA6,
+ .port_ops = &ahci_ops,
+ },
[board_ahci_no_debounce_delay] = {
.flags = AHCI_FLAG_COMMON,
.link_flags = ATA_LFLAG_NO_DEBOUNCE_DELAY,
--
2.30.2