[PATCH v6 4/5] PCI: vmd: Update type of the __iomem pointers
Krzysztof Wilczyński
kw at linux.com
Mon Nov 30 10:07:42 AEDT 2020
Use "void __iomem" instead "char __iomem" pointer type when working with
the accessor functions (with names like readb() or writel(), etc.) to
better match a given accessor function signature where commonly the
address pointing to an I/O memory region would be a "void __iomem"
pointer.
Related:
https://lwn.net/Articles/102232/
Suggested-by: Bjorn Helgaas <bhelgaas at google.com>
Signed-off-by: Krzysztof Wilczyński <kw at linux.com>
---
drivers/pci/controller/vmd.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/pci/controller/vmd.c b/drivers/pci/controller/vmd.c
index 1361a79bd1e7..59fa9a94860f 100644
--- a/drivers/pci/controller/vmd.c
+++ b/drivers/pci/controller/vmd.c
@@ -95,7 +95,7 @@ struct vmd_dev {
struct pci_dev *dev;
spinlock_t cfg_lock;
- char __iomem *cfgbar;
+ void __iomem *cfgbar;
int msix_count;
struct vmd_irq_list *irqs;
@@ -326,7 +326,7 @@ static void vmd_remove_irq_domain(struct vmd_dev *vmd)
}
}
-static char __iomem *vmd_cfg_addr(struct vmd_dev *vmd, struct pci_bus *bus,
+static void __iomem *vmd_cfg_addr(struct vmd_dev *vmd, struct pci_bus *bus,
unsigned int devfn, int reg, int len)
{
unsigned int busnr_ecam = bus->number - vmd->busn_start;
@@ -346,7 +346,7 @@ static int vmd_pci_read(struct pci_bus *bus, unsigned int devfn, int reg,
int len, u32 *value)
{
struct vmd_dev *vmd = vmd_from_bus(bus);
- char __iomem *addr = vmd_cfg_addr(vmd, bus, devfn, reg, len);
+ void __iomem *addr = vmd_cfg_addr(vmd, bus, devfn, reg, len);
unsigned long flags;
int ret = 0;
@@ -381,7 +381,7 @@ static int vmd_pci_write(struct pci_bus *bus, unsigned int devfn, int reg,
int len, u32 value)
{
struct vmd_dev *vmd = vmd_from_bus(bus);
- char __iomem *addr = vmd_cfg_addr(vmd, bus, devfn, reg, len);
+ void __iomem *addr = vmd_cfg_addr(vmd, bus, devfn, reg, len);
unsigned long flags;
int ret = 0;
--
2.29.2
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