On 8/8/19 11:46 PM, Jens Axboe wrote:
> 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?
No good reason. These were copied from the ahci_pci_tbl above and I
didn't notice the mixed case.
I'll resend.
Would you like a separate cleanup patch for ahci_pci_tbl as well?
