Re: [PATCH 1/2] sparc32: Move ioremap/iounmap declaration before asm-generic/io.h include
From: Christoph Hellwig <hch@infradead.org>
Date: 2020-09-16 00:07:01
Also in:
linux-arch, linux-pci, lkml
quoted hunk ↗ jump to hunk
diff --git a/arch/sparc/include/asm/io_32.h b/arch/sparc/include/asm/io_32.h index 9a52d9506f80..042201c79ad1 100644 --- a/arch/sparc/include/asm/io_32.h +++ b/arch/sparc/include/asm/io_32.h@@ -11,6 +11,16 @@ #define memcpy_fromio(d,s,sz) _memcpy_fromio(d,s,sz) #define memcpy_toio(d,s,sz) _memcpy_toio(d,s,sz) +#ifdef __KERNEL__ + +/* + * Bus number may be embedded in the higher bits of the physical address. + * This is why we have no bus number argument to ioremap(). + */ +void __iomem *ioremap(phys_addr_t offset, size_t size); +void iounmap(volatile void __iomem *addr); +#endif
No need for an __KERNEL__ in non-uapi headers. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel