The driver does not perform DMA, so it's safe to use the relaxed version
for both readl and writel operations.
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@xxxxxxxxx>
---
drivers/staging/mt7621-pci/pci-mt7621.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/drivers/staging/mt7621-pci/pci-mt7621.c b/drivers/staging/mt7621-pci/pci-mt7621.c
index b83c338a2e3d..8d14d0f9f769 100644
--- a/drivers/staging/mt7621-pci/pci-mt7621.c
+++ b/drivers/staging/mt7621-pci/pci-mt7621.c
@@ -109,32 +109,32 @@ struct mt7621_pcie {
static inline u32 pcie_read(struct mt7621_pcie *pcie, u32 reg)
{
- return readl(pcie->base + reg);
+ return readl_relaxed(pcie->base + reg);
}
static inline void pcie_write(struct mt7621_pcie *pcie, u32 val, u32 reg)
{
- writel(val, pcie->base + reg);
+ writel_relaxed(val, pcie->base + reg);
}
static inline void pcie_rmw(struct mt7621_pcie *pcie, u32 reg, u32 clr, u32 set)
{
- u32 val = readl(pcie->base + reg);
+ u32 val = readl_relaxed(pcie->base + reg);
val &= ~clr;
val |= set;
- writel(val, pcie->base + reg);
+ writel_relaxed(val, pcie->base + reg);
}
static inline u32 pcie_port_read(struct mt7621_pcie_port *port, u32 reg)
{
- return readl(port->base + reg);
+ return readl_relaxed(port->base + reg);
}
static inline void pcie_port_write(struct mt7621_pcie_port *port,
u32 val, u32 reg)
{
- writel(val, port->base + reg);
+ writel_relaxed(val, port->base + reg);
}
static inline u32 mt7621_pci_get_cfgaddr(unsigned int bus, unsigned int slot,
@@ -151,7 +151,7 @@ static void __iomem *mt7621_pcie_map_bus(struct pci_bus *bus,
u32 address = mt7621_pci_get_cfgaddr(bus->number, PCI_SLOT(devfn),
PCI_FUNC(devfn), where);
- writel(address, pcie->base + RALINK_PCI_CONFIG_ADDR);
+ writel_relaxed(address, pcie->base + RALINK_PCI_CONFIG_ADDR);
return pcie->base + RALINK_PCI_CONFIG_DATA + (where & 3);
}
--
2.25.1
