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ata: ahci: Add Intel Alder Lake-P AHCI controller to low power chipsets list
Intel Alder Lake-P AHCI controller needs to be added to the mobile chipsets list in order to have link power management enabled. Without this the CPU cannot enter lower power C-states making idle power consumption high. Cc: Koba Ko <[email protected]> Signed-off-by: Mika Westerberg <[email protected]> Signed-off-by: Damien Le Moal <[email protected]>
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drivers/ata/ahci.c

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@@ -423,6 +423,7 @@ static const struct pci_device_id ahci_pci_tbl[] = {
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{ PCI_VDEVICE(INTEL, 0x02d7), board_ahci_low_power }, /* Comet Lake PCH RAID */
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/* Elkhart Lake IDs 0x4b60 & 0x4b62 https://sata-io.org/product/8803 not tested yet */
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{ PCI_VDEVICE(INTEL, 0x4b63), board_ahci_low_power }, /* Elkhart Lake AHCI */
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{ PCI_VDEVICE(INTEL, 0x7ae2), board_ahci_low_power }, /* Alder Lake-P AHCI */
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/* JMicron 360/1/3/5/6, match class to avoid IDE function */
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{ PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,

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