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SubjectRe: [PATCH] MFD: intel_pmt: Fix nuisance messages and handling of disabled capabilities
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Hi,

On 1/28/21 6:28 PM, David E. Box wrote:
> Some products will be available that have PMT capabilities that are not
> supported. Remove the warnings in this instance to avoid nuisance messages
> and confusion.
>
> Also return an error code for capabilities that are disabled by quirk to
> prevent them from keeping the driver loaded if only disabled capabilities
> are found.
>
> Fixes: 4f8217d5b0ca ("mfd: Intel Platform Monitoring Technology support")
> Signed-off-by: David E. Box <david.e.box@linux.intel.com>

Thanks, patch looks good to me:

Reviewed-by: Hans de Goede <hdegoede@redhat.com>

Regards,

Hans


> ---
> drivers/mfd/intel_pmt.c | 11 +++--------
> 1 file changed, 3 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/mfd/intel_pmt.c b/drivers/mfd/intel_pmt.c
> index 744b230cdcca..65da2b17a204 100644
> --- a/drivers/mfd/intel_pmt.c
> +++ b/drivers/mfd/intel_pmt.c
> @@ -79,19 +79,18 @@ static int pmt_add_dev(struct pci_dev *pdev, struct intel_dvsec_header *header,
> case DVSEC_INTEL_ID_WATCHER:
> if (quirks & PMT_QUIRK_NO_WATCHER) {
> dev_info(dev, "Watcher not supported\n");
> - return 0;
> + return -EINVAL;
> }
> name = "pmt_watcher";
> break;
> case DVSEC_INTEL_ID_CRASHLOG:
> if (quirks & PMT_QUIRK_NO_CRASHLOG) {
> dev_info(dev, "Crashlog not supported\n");
> - return 0;
> + return -EINVAL;
> }
> name = "pmt_crashlog";
> break;
> default:
> - dev_err(dev, "Unrecognized PMT capability: %d\n", id);
> return -EINVAL;
> }
>
> @@ -174,12 +173,8 @@ static int pmt_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
> header.offset = INTEL_DVSEC_TABLE_OFFSET(table);
>
> ret = pmt_add_dev(pdev, &header, quirks);
> - if (ret) {
> - dev_warn(&pdev->dev,
> - "Failed to add device for DVSEC id %d\n",
> - header.id);
> + if (ret)
> continue;
> - }
>
> found_devices = true;
> } while (true);
>

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