On 8/8/19 1:24 PM, Stephen Douthit wrote:
> Intel moved the PCS register from 0x92 to 0x94 on Denverton for some
> reason, so now we get to check the device ID before poking it on reset.
>
> Signed-off-by: Stephen Douthit <stephend@xxxxxxxxxxxxxxx>
> ---
> drivers/ata/ahci.c | 42 +++++++++++++++++++++++++++++++++++++++---
> 1 file changed, 39 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
> index f7652baa6337..7090c7754fc2 100644
> --- a/drivers/ata/ahci.c
> +++ b/drivers/ata/ahci.c
> @@ -623,6 +623,41 @@ static void ahci_pci_save_initial_config(struct pci_dev *pdev,
> ahci_save_initial_config(&pdev->dev, hpriv);
> }
>
> +/*
> + * Intel moved the PCS register on the Denverton AHCI controller, see which
> + * offset this controller is using
> + */
> +static int ahci_pcs_offset(struct ata_host *host)
> +{
> + struct pci_dev *pdev = to_pci_dev(host->dev);
> +
> + switch (pdev->device) {
> + case 0x19b0:
> + case 0x19b1:
> + case 0x19b2:
> + case 0x19b3:
> + case 0x19b4:
> + case 0x19b5:
> + case 0x19b6:
> + case 0x19b7:
> + case 0x19bE:
> + case 0x19bF:
> + case 0x19c0:
> + case 0x19c1:
> + case 0x19c2:
> + case 0x19c3:
> + case 0x19c4:
> + case 0x19c5:
> + case 0x19c6:
> + case 0x19c7:
> + case 0x19cE:
> + case 0x19cF:
Any particular reason why you made some of hex alphas upper case?
--
Jens Axboe
