linux-kernel - [PATCH] ahci: Add Intel Comet Lake PCH-U PCI ID

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Message-Id: <20200416063540.30462-1-kai.heng.feng@canonical.com>
Date:   Thu, 16 Apr 2020 14:35:40 +0800
From:   Kai-Heng Feng <kai.heng.feng@...onical.com>
To:     axboe@...nel.dk
Cc:     Kai-Heng Feng <kai.heng.feng@...onical.com>,
        linux-ide@...r.kernel.org (open list:LIBATA SUBSYSTEM (Serial and
        Parallel ATA drivers)), linux-kernel@...r.kernel.org (open list)
Subject: [PATCH] ahci: Add Intel Comet Lake PCH-U PCI ID

Add Intel Comet Lake PCH-U PCI ID to the list of supported controllers.

Set default SATA LPM so the SoC can enter S0ix.

Signed-off-by: Kai-Heng Feng <kai.heng.feng@...onical.com>
---
 drivers/ata/ahci.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 0101b65250cb..0c0a736eb861 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -410,6 +410,7 @@ static const struct pci_device_id ahci_pci_tbl[] = {
 	{ PCI_VDEVICE(INTEL, 0x22a3), board_ahci_mobile }, /* Cherry Tr. AHCI */
 	{ PCI_VDEVICE(INTEL, 0x5ae3), board_ahci_mobile }, /* ApolloLake AHCI */
 	{ PCI_VDEVICE(INTEL, 0x34d3), board_ahci_mobile }, /* Ice Lake LP AHCI */
+	{ PCI_VDEVICE(INTEL, 0x02d3), board_ahci_mobile }, /* Comet Lake PCH-U AHCI */
 	{ PCI_VDEVICE(INTEL, 0x02d7), board_ahci_mobile }, /* Comet Lake PCH RAID */
 
 	/* JMicron 360/1/3/5/6, match class to avoid IDE function */
-- 
2.17.1