[1/2] PCI: Make pcie_downstream_port() available outside of access.c
diff mbox series

Message ID 20190822085553.62697-1-mika.westerberg@linux.intel.com
State New
Delegated to: Bjorn Helgaas
Headers show
Series
  • [1/2] PCI: Make pcie_downstream_port() available outside of access.c
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Commit Message

Mika Westerberg Aug. 22, 2019, 8:55 a.m. UTC
This helper function is useful in other places where code needs to
determine whether the PCIe port is downstream so make it available
outside of access.c.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
---
 drivers/pci/access.c | 9 ---------
 drivers/pci/pci.h    | 9 +++++++++
 2 files changed, 9 insertions(+), 9 deletions(-)

Comments

Andy Shevchenko Aug. 22, 2019, 1:10 p.m. UTC | #1
On Thu, Aug 22, 2019 at 11:55:52AM +0300, Mika Westerberg wrote:
> This helper function is useful in other places where code needs to
> determine whether the PCIe port is downstream so make it available
> outside of access.c.

Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

> 
> Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
> ---
>  drivers/pci/access.c | 9 ---------
>  drivers/pci/pci.h    | 9 +++++++++
>  2 files changed, 9 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/pci/access.c b/drivers/pci/access.c
> index 544922f097c0..2fccb5762c76 100644
> --- a/drivers/pci/access.c
> +++ b/drivers/pci/access.c
> @@ -336,15 +336,6 @@ static inline int pcie_cap_version(const struct pci_dev *dev)
>  	return pcie_caps_reg(dev) & PCI_EXP_FLAGS_VERS;
>  }
>  
> -static bool pcie_downstream_port(const struct pci_dev *dev)
> -{
> -	int type = pci_pcie_type(dev);
> -
> -	return type == PCI_EXP_TYPE_ROOT_PORT ||
> -	       type == PCI_EXP_TYPE_DOWNSTREAM ||
> -	       type == PCI_EXP_TYPE_PCIE_BRIDGE;
> -}
> -
>  bool pcie_cap_has_lnkctl(const struct pci_dev *dev)
>  {
>  	int type = pci_pcie_type(dev);
> diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
> index 9a83fcf612ca..ae8d839dca4f 100644
> --- a/drivers/pci/pci.h
> +++ b/drivers/pci/pci.h
> @@ -118,6 +118,15 @@ static inline bool pci_power_manageable(struct pci_dev *pci_dev)
>  	return !pci_has_subordinate(pci_dev) || pci_dev->bridge_d3;
>  }
>  
> +static inline bool pcie_downstream_port(const struct pci_dev *dev)
> +{
> +	int type = pci_pcie_type(dev);
> +
> +	return type == PCI_EXP_TYPE_ROOT_PORT ||
> +	       type == PCI_EXP_TYPE_DOWNSTREAM ||
> +	       type == PCI_EXP_TYPE_PCIE_BRIDGE;
> +}
> +
>  int pci_vpd_init(struct pci_dev *dev);
>  void pci_vpd_release(struct pci_dev *dev);
>  void pcie_vpd_create_sysfs_dev_files(struct pci_dev *dev);
> -- 
> 2.23.0.rc1
>

Patch
diff mbox series

diff --git a/drivers/pci/access.c b/drivers/pci/access.c
index 544922f097c0..2fccb5762c76 100644
--- a/drivers/pci/access.c
+++ b/drivers/pci/access.c
@@ -336,15 +336,6 @@  static inline int pcie_cap_version(const struct pci_dev *dev)
 	return pcie_caps_reg(dev) & PCI_EXP_FLAGS_VERS;
 }
 
-static bool pcie_downstream_port(const struct pci_dev *dev)
-{
-	int type = pci_pcie_type(dev);
-
-	return type == PCI_EXP_TYPE_ROOT_PORT ||
-	       type == PCI_EXP_TYPE_DOWNSTREAM ||
-	       type == PCI_EXP_TYPE_PCIE_BRIDGE;
-}
-
 bool pcie_cap_has_lnkctl(const struct pci_dev *dev)
 {
 	int type = pci_pcie_type(dev);
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 9a83fcf612ca..ae8d839dca4f 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -118,6 +118,15 @@  static inline bool pci_power_manageable(struct pci_dev *pci_dev)
 	return !pci_has_subordinate(pci_dev) || pci_dev->bridge_d3;
 }
 
+static inline bool pcie_downstream_port(const struct pci_dev *dev)
+{
+	int type = pci_pcie_type(dev);
+
+	return type == PCI_EXP_TYPE_ROOT_PORT ||
+	       type == PCI_EXP_TYPE_DOWNSTREAM ||
+	       type == PCI_EXP_TYPE_PCIE_BRIDGE;
+}
+
 int pci_vpd_init(struct pci_dev *dev);
 void pci_vpd_release(struct pci_dev *dev);
 void pcie_vpd_create_sysfs_dev_files(struct pci_dev *dev);