On 2/24/2026 3:10 AM, Mika Westerberg wrote:
diff --git a/drivers/pci/pcie/ptm.c b/drivers/pci/pcie/ptm.c
index 91a598ed534c..2c848ae4f15f 100644
--- a/drivers/pci/pcie/ptm.c
+++ b/drivers/pci/pcie/ptm.c
@@ -88,7 +88,7 @@ void pci_ptm_init(struct pci_dev *dev)
if (pci_pcie_type(dev) == PCI_EXP_TYPE_ROOT_PORT ||
pci_pcie_type(dev) == PCI_EXP_TYPE_UPSTREAM)
- pci_enable_ptm(dev, NULL);
+ pci_enable_ptm(dev);
}
void pci_save_ptm_state(struct pci_dev *dev)
@@ -182,15 +182,13 @@ static int __pci_enable_ptm(struct pci_dev *dev)
/**
* pci_enable_ptm() - Enable Precision Time Measurement
* @dev: PCI device
- * @granularity: pointer to return granularity
*
- * Enable Precision Time Measurement for @dev. If successful and
- * @granularity is non-NULL, return the Effective Granularity.
+ * Enable Precision Time Measurement for @dev.
*
* Return: zero if successful, or -EINVAL if @dev lacks a PTM Capability or
* is not a PTM Root and lacks an upstream path of PTM-enabled devices.
*/
-int pci_enable_ptm(struct pci_dev *dev, u8 *granularity)
+int pci_enable_ptm(struct pci_dev *dev)
{
int rc;
char clock_desc[8];
@@ -201,9 +199,6 @@ int pci_enable_ptm(struct pci_dev *dev, u8 *granularity)
dev->ptm_enabled = 1;
- if (granularity)
- *granularity = dev->ptm_granularity;
-
Presumably, if a driver ever actually needs this ptm_granularity in the
future, they can just read it from the device, or we can add a helper to
access if needed. Makes sense.
Thanks,
Jake
