Messages in this thread Patch in this message | | | From | Peter Hurley <> | Subject | [PATCH] m32r: Add ioreadXX/iowriteXX big-endian mmio accessors | Date | Wed, 8 Jul 2015 23:10:06 -0400 |
| |
commit c627f2ceb692 ("serial: 8250: Add support for big-endian MMIO accesses") added support for 32-bit big-endian mmio to the 8250 driver. Support for ioreadXXbe/iowriteXXbe io accessors was missing from m32r arch, which caused build errors.
Add trivial macro mmio accessors.
Reported-by: Fengguang Wu <fengguang.wu@intel.com> Cc: Kevin Cernekee <cernekee@gmail.com> Signed-off-by: Peter Hurley <peter@hurleysoftware.com> --- arch/m32r/include/asm/io.h | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/arch/m32r/include/asm/io.h b/arch/m32r/include/asm/io.h index 9cc00db..d7a034d 100644 --- a/arch/m32r/include/asm/io.h +++ b/arch/m32r/include/asm/io.h @@ -173,6 +173,11 @@ static inline void _writel(unsigned long l, unsigned long addr) #define iowrite16 writew #define iowrite32 writel +#define ioread16be(addr) be16_to_cpu(readw(addr)) +#define ioread32be(addr) be32_to_cpu(readl(addr)) +#define iowrite16be(v, addr) writew(cpu_to_be16(v), (addr)) +#define iowrite32be(v, addr) writel(cpu_to_be32(v), (addr)) + #define mmiowb() #define flush_write_buffers() do { } while (0) /* M32R_FIXME */ -- 2.4.5
| |