Hi Andrey On 2/7/24 10:58, Andrey Jr. Melnikov wrote: > The ASM1064 SATA host controller always reports wrongly, > that it has 24 ports. But in reality, it only has four ports. > > before: > ahci 0000:04:00.0: SSS flag set, parallel bus scan disabled > ahci 0000:04:00.0: AHCI 0001.0301 32 slots 24 ports 6 Gbps 0xffff0f impl SATA mode > ahci 0000:04:00.0: flags: 64bit ncq sntf stag pm led only pio sxs deso sadm sds apst > > after: > ahci 0000:04:00.0: ASM1064 has only four ports > ahci 0000:04:00.0: forcing port_map 0xffff0f -> 0xf > ahci 0000:04:00.0: SSS flag set, parallel bus scan disabled > ahci 0000:04:00.0: AHCI 0001.0301 32 slots 24 ports 6 Gbps 0xf impl SATA mode This still says 24 ports, is that a copy & paste error in the commit msg ? Regards, Hans > ahci 0000:04:00.0: flags: 64bit ncq sntf stag pm led only pio sxs deso sadm sds apst > > > Signed-off-by: Andrey Jr. Melnikov <temnota.am@xxxxxxxxx> > > diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c > index da2e74fce2d9..ec30d8330d16 100644 > --- a/drivers/ata/ahci.c > +++ b/drivers/ata/ahci.c > @@ -671,9 +671,14 @@ MODULE_PARM_DESC(mobile_lpm_policy, "Default LPM policy for mobile chipsets"); > static void ahci_pci_save_initial_config(struct pci_dev *pdev, > struct ahci_host_priv *hpriv) > { > - if (pdev->vendor == PCI_VENDOR_ID_ASMEDIA && pdev->device == 0x1166) { > - dev_info(&pdev->dev, "ASM1166 has only six ports\n"); > - hpriv->saved_port_map = 0x3f; > + if (pdev->vendor == PCI_VENDOR_ID_ASMEDIA) { > + if (pdev->device == 0x1166) { > + dev_info(&pdev->dev, "ASM1166 has only six ports\n"); > + hpriv->saved_port_map = 0x3f; > + } else if (pdev->device == 0x1064) { > + dev_info(&pdev->dev, "ASM1064 has only four ports\n"); > + hpriv->saved_port_map = 0xf; > + } > } > > if (pdev->vendor == PCI_VENDOR_ID_JMICRON && pdev->device == 0x2361) { >