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staging: mt7621-pci: add pcie_write and pcie_read helpers

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Introdice this functions to make easier to write/read to/from
an offset relative to base address

Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Tested-by: NeilBrown <neil@brown.name>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sergio Paracuellos 2018-08-03 10:26:56 +02:00 committed by Greg Kroah-Hartman
parent e9d03d17dd
commit 52ed727ca0
1 changed files with 10 additions and 0 deletions
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10
drivers/staging/mt7621-pci/pci-mt7621.c
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@ -204,6 +204,16 @@ struct mt7621_pcie {
struct list_head ports;
};
static inline u32 pcie_read(struct mt7621_pcie *pcie, u32 reg)
{
return readl(pcie->base + reg);
}
static inline void pcie_write(struct mt7621_pcie *pcie, u32 val, u32 reg)
{
writel(val, pcie->base + reg);
}
static inline u32 mt7621_pci_get_cfgaddr(unsigned int bus, unsigned int slot,
unsigned int func, unsigned int where)
{