[PATCH v4 03/15] staging: mt7621-pci: add pcie_write and pcie_read helpers
Sergio Paracuellos
sergio.paracuellos at gmail.com
Mon Jul 16 15:53:11 UTC 2018
Introdice this functions to make easier to write/read to/from
an offset relative to base address
Signed-off-by: Sergio Paracuellos <sergio.paracuellos at gmail.com>
---
drivers/staging/mt7621-pci/pci-mt7621.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/staging/mt7621-pci/pci-mt7621.c b/drivers/staging/mt7621-pci/pci-mt7621.c
index e09bdcb..ed15443 100644
--- a/drivers/staging/mt7621-pci/pci-mt7621.c
+++ b/drivers/staging/mt7621-pci/pci-mt7621.c
@@ -193,6 +193,16 @@ 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)
{
--
2.7.4
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