From: Fiona Behrens <m...@kloenk.dev>
Generate the `rust_helper_read{b,w,l,q}`, `rust_helper_write{b,w,l,q}`
and the relaxed version using a C macro.
This removes a lot of redundant code and is in preparation for pio
functions which uses a similar C macro.
Signed-off-by: Fiona Behrens <m...@kloenk.dev>
Signed-off-by: Andrew Ballance <andrewjballa...@gmail.com>
---
rust/helpers/io.c | 104 +++++++++++++---------------------------------
1 file changed, 28 insertions(+), 76 deletions(-)
diff --git a/rust/helpers/io.c b/rust/helpers/io.c
index 15ea187c5466..525af02f209e 100644
--- a/rust/helpers/io.c
+++ b/rust/helpers/io.c
@@ -12,90 +12,42 @@ void rust_helper_iounmap(void __iomem *addr)
iounmap(addr);
}
-u8 rust_helper_readb(const void __iomem *addr)
-{
- return readb(addr);
-}
-
-u16 rust_helper_readw(const void __iomem *addr)
-{
- return readw(addr);
-}
-
-u32 rust_helper_readl(const void __iomem *addr)
-{
- return readl(addr);
-}
-
+#define define_rust_mmio_read_helper(name, type) \
+ type rust_helper_##name(void __iomem *addr) \
+ { \
+ return name(addr); \
+ }
+
+#define define_rust_mmio_write_helper(name, type) \
+ void rust_helper_##name(type value, void __iomem *addr) \
+ { \
+ name(value, addr); \
+ }
+
+define_rust_mmio_read_helper(readb, u8);
+define_rust_mmio_read_helper(readw, u16);
+define_rust_mmio_read_helper(readl, u32);
#ifdef CONFIG_64BIT
-u64 rust_helper_readq(const void __iomem *addr)
-{
- return readq(addr);
-}
+define_rust_mmio_read_helper(readq, u64);
#endif
-void rust_helper_writeb(u8 value, void __iomem *addr)
-{
- writeb(value, addr);
-}
-
-void rust_helper_writew(u16 value, void __iomem *addr)
-{
- writew(value, addr);
-}
-
-void rust_helper_writel(u32 value, void __iomem *addr)
-{
- writel(value, addr);
-}
-
+define_rust_mmio_write_helper(writeb, u8);
+define_rust_mmio_write_helper(writew, u16);
+define_rust_mmio_write_helper(writel, u32);
#ifdef CONFIG_64BIT
-void rust_helper_writeq(u64 value, void __iomem *addr)
-{
- writeq(value, addr);
-}
+define_rust_mmio_write_helper(writeq, u64);
#endif
-u8 rust_helper_readb_relaxed(const void __iomem *addr)
-{
- return readb_relaxed(addr);
-}
-
-u16 rust_helper_readw_relaxed(const void __iomem *addr)
-{
- return readw_relaxed(addr);
-}
-
-u32 rust_helper_readl_relaxed(const void __iomem *addr)
-{
- return readl_relaxed(addr);
-}
-
+define_rust_mmio_read_helper(readb_relaxed, u8);
+define_rust_mmio_read_helper(readw_relaxed, u16);
+define_rust_mmio_read_helper(readl_relaxed, u32);
#ifdef CONFIG_64BIT
-u64 rust_helper_readq_relaxed(const void __iomem *addr)
-{
- return readq_relaxed(addr);
-}
+define_rust_mmio_read_helper(readq_relaxed, u64);
#endif
-void rust_helper_writeb_relaxed(u8 value, void __iomem *addr)
-{
- writeb_relaxed(value, addr);
-}
-
-void rust_helper_writew_relaxed(u16 value, void __iomem *addr)
-{
- writew_relaxed(value, addr);
-}
-
-void rust_helper_writel_relaxed(u32 value, void __iomem *addr)
-{
- writel_relaxed(value, addr);
-}
-
+define_rust_mmio_write_helper(writeb_relaxed, u8);
+define_rust_mmio_write_helper(writew_relaxed, u16);
+define_rust_mmio_write_helper(writel_relaxed, u32);
#ifdef CONFIG_64BIT
-void rust_helper_writeq_relaxed(u64 value, void __iomem *addr)
-{
- writeq_relaxed(value, addr);
-}
+define_rust_mmio_write_helper(writeq_relaxed, u64);
#endif
--
2.49.0
