* [PATCH 0/3] PCI: add help pci_dev_id
@ 2019-04-19 11:08 Heiner Kallweit
2019-04-19 11:08 ` [PATCH 1/3] PCI: add helper pci_dev_id Heiner Kallweit
` (2 more replies)
0 siblings, 3 replies; 5+ messages in thread
From: Heiner Kallweit @ 2019-04-19 11:08 UTC (permalink / raw)
To: Bjorn Helgaas, linux-pci, netdev
In several places in the kernel we find PCI_DEVID used like this:
PCI_DEVID(dev->bus->number, dev->devfn) Therefore create a helper
for it.
Heiner Kallweit (3):
PCI: add helper pci_dev_id
PCI: use helper pci_dev_id
r8169: use new helper pci_dev_id
drivers/net/ethernet/realtek/r8169.c | 3 +--
drivers/pci/msi.c | 6 +++---
drivers/pci/search.c | 10 +++-------
include/linux/pci.h | 5 +++++
4 files changed, 12 insertions(+), 12 deletions(-)
--
2.21.0
^ permalink raw reply [flat|nested] 5+ messages in thread
* [PATCH 1/3] PCI: add helper pci_dev_id
2019-04-19 11:08 [PATCH 0/3] PCI: add help pci_dev_id Heiner Kallweit
@ 2019-04-19 11:08 ` Heiner Kallweit
2019-04-19 11:09 ` [PATCH 2/3] PCI: use " Heiner Kallweit
2019-04-19 11:10 ` [PATCH 3/3] r8169: use new " Heiner Kallweit
2 siblings, 0 replies; 5+ messages in thread
From: Heiner Kallweit @ 2019-04-19 11:08 UTC (permalink / raw)
To: Bjorn Helgaas, linux-pci, netdev
In several places in the kernel we find PCI_DEVID used like this:
PCI_DEVID(dev->bus->number, dev->devfn) Therefore create a helper
for it.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
---
include/linux/pci.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 2c056a7a7..28d0313a3 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -598,6 +598,11 @@ struct pci_bus {
#define to_pci_bus(n) container_of(n, struct pci_bus, dev)
+static inline u16 pci_dev_id(struct pci_dev *dev)
+{
+ return PCI_DEVID(dev->bus->number, dev->devfn);
+}
+
/*
* Returns true if the PCI bus is root (behind host-PCI bridge),
* false otherwise
--
2.21.0
^ permalink raw reply related [flat|nested] 5+ messages in thread
* [PATCH 2/3] PCI: use helper pci_dev_id
2019-04-19 11:08 [PATCH 0/3] PCI: add help pci_dev_id Heiner Kallweit
2019-04-19 11:08 ` [PATCH 1/3] PCI: add helper pci_dev_id Heiner Kallweit
@ 2019-04-19 11:09 ` Heiner Kallweit
2019-04-19 11:10 ` [PATCH 3/3] r8169: use new " Heiner Kallweit
2 siblings, 0 replies; 5+ messages in thread
From: Heiner Kallweit @ 2019-04-19 11:09 UTC (permalink / raw)
To: Bjorn Helgaas, linux-pci, netdev
Use new helper pci_dev_id() to simplify the code.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
---
drivers/pci/msi.c | 6 +++---
drivers/pci/search.c | 10 +++-------
2 files changed, 6 insertions(+), 10 deletions(-)
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index 73986825d..e039b740f 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -1338,7 +1338,7 @@ irq_hw_number_t pci_msi_domain_calc_hwirq(struct pci_dev *dev,
struct msi_desc *desc)
{
return (irq_hw_number_t)desc->msi_attrib.entry_nr |
- PCI_DEVID(dev->bus->number, dev->devfn) << 11 |
+ pci_dev_id(dev) << 11 |
(pci_domain_nr(dev->bus) & 0xFFFFFFFF) << 27;
}
@@ -1508,7 +1508,7 @@ static int get_msi_id_cb(struct pci_dev *pdev, u16 alias, void *data)
u32 pci_msi_domain_get_msi_rid(struct irq_domain *domain, struct pci_dev *pdev)
{
struct device_node *of_node;
- u32 rid = PCI_DEVID(pdev->bus->number, pdev->devfn);
+ u32 rid = pci_dev_id(pdev);
pci_for_each_dma_alias(pdev, get_msi_id_cb, &rid);
@@ -1531,7 +1531,7 @@ u32 pci_msi_domain_get_msi_rid(struct irq_domain *domain, struct pci_dev *pdev)
struct irq_domain *pci_msi_get_device_domain(struct pci_dev *pdev)
{
struct irq_domain *dom;
- u32 rid = PCI_DEVID(pdev->bus->number, pdev->devfn);
+ u32 rid = pci_dev_id(pdev);
pci_for_each_dma_alias(pdev, get_msi_id_cb, &rid);
dom = of_msi_map_get_device_domain(&pdev->dev, rid);
diff --git a/drivers/pci/search.c b/drivers/pci/search.c
index 2b5f72086..5c7922612 100644
--- a/drivers/pci/search.c
+++ b/drivers/pci/search.c
@@ -33,7 +33,7 @@ int pci_for_each_dma_alias(struct pci_dev *pdev,
struct pci_bus *bus;
int ret;
- ret = fn(pdev, PCI_DEVID(pdev->bus->number, pdev->devfn), data);
+ ret = fn(pdev, pci_dev_id(pdev), data);
if (ret)
return ret;
@@ -88,9 +88,7 @@ int pci_for_each_dma_alias(struct pci_dev *pdev,
return ret;
continue;
case PCI_EXP_TYPE_PCIE_BRIDGE:
- ret = fn(tmp,
- PCI_DEVID(tmp->bus->number,
- tmp->devfn), data);
+ ret = fn(tmp, pci_dev_id(tmp), data);
if (ret)
return ret;
continue;
@@ -101,9 +99,7 @@ int pci_for_each_dma_alias(struct pci_dev *pdev,
PCI_DEVID(tmp->subordinate->number,
PCI_DEVFN(0, 0)), data);
else
- ret = fn(tmp,
- PCI_DEVID(tmp->bus->number,
- tmp->devfn), data);
+ ret = fn(tmp, pci_dev_id(tmp), data);
if (ret)
return ret;
}
--
2.21.0
^ permalink raw reply related [flat|nested] 5+ messages in thread
* [PATCH 3/3] r8169: use new helper pci_dev_id
2019-04-19 11:08 [PATCH 0/3] PCI: add help pci_dev_id Heiner Kallweit
2019-04-19 11:08 ` [PATCH 1/3] PCI: add helper pci_dev_id Heiner Kallweit
2019-04-19 11:09 ` [PATCH 2/3] PCI: use " Heiner Kallweit
@ 2019-04-19 11:10 ` Heiner Kallweit
2 siblings, 0 replies; 5+ messages in thread
From: Heiner Kallweit @ 2019-04-19 11:10 UTC (permalink / raw)
To: Bjorn Helgaas, linux-pci, netdev
Use new helper pci_dev_id() to simplify the code.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
---
drivers/net/ethernet/realtek/r8169.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index efaea1a0a..ae476fe8d 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -7020,8 +7020,7 @@ static int r8169_mdio_register(struct rtl8169_private *tp)
new_bus->priv = tp;
new_bus->parent = &pdev->dev;
new_bus->irq[0] = PHY_IGNORE_INTERRUPT;
- snprintf(new_bus->id, MII_BUS_ID_SIZE, "r8169-%x",
- PCI_DEVID(pdev->bus->number, pdev->devfn));
+ snprintf(new_bus->id, MII_BUS_ID_SIZE, "r8169-%x", pci_dev_id(pdev));
new_bus->read = r8169_mdio_read_reg;
new_bus->write = r8169_mdio_write_reg;
--
2.21.0
^ permalink raw reply related [flat|nested] 5+ messages in thread
* [PATCH 1/3] PCI: add helper pci_dev_id
2019-04-19 18:27 [PATCH 0/3] PCI: add help pci_dev_id Heiner Kallweit
@ 2019-04-19 18:28 ` Heiner Kallweit
0 siblings, 0 replies; 5+ messages in thread
From: Heiner Kallweit @ 2019-04-19 18:28 UTC (permalink / raw)
To: Bjorn Helgaas; +Cc: linux-pci, netdev
In several places in the kernel we find PCI_DEVID used like this:
PCI_DEVID(dev->bus->number, dev->devfn) Therefore create a helper
for it.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
---
include/linux/pci.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 2c056a7a7..28d0313a3 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -598,6 +598,11 @@ struct pci_bus {
#define to_pci_bus(n) container_of(n, struct pci_bus, dev)
+static inline u16 pci_dev_id(struct pci_dev *dev)
+{
+ return PCI_DEVID(dev->bus->number, dev->devfn);
+}
+
/*
* Returns true if the PCI bus is root (behind host-PCI bridge),
* false otherwise
--
2.21.0
^ permalink raw reply related [flat|nested] 5+ messages in thread
end of thread, other threads:[~2019-04-19 19:41 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-04-19 11:08 [PATCH 0/3] PCI: add help pci_dev_id Heiner Kallweit
2019-04-19 11:08 ` [PATCH 1/3] PCI: add helper pci_dev_id Heiner Kallweit
2019-04-19 11:09 ` [PATCH 2/3] PCI: use " Heiner Kallweit
2019-04-19 11:10 ` [PATCH 3/3] r8169: use new " Heiner Kallweit
2019-04-19 18:27 [PATCH 0/3] PCI: add help pci_dev_id Heiner Kallweit
2019-04-19 18:28 ` [PATCH 1/3] PCI: add helper pci_dev_id Heiner Kallweit
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).