The patch titled Subject: arch/*: remove unused isa_page_to_bus() has been added to the -mm tree. Its filename is drop-unused-isa_page_to_bus.patch This patch should soon appear at http://ozlabs.org/~akpm/mmots/broken-out/drop-unused-isa_page_to_bus.patch and later at http://ozlabs.org/~akpm/mmotm/broken-out/drop-unused-isa_page_to_bus.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Stephen Kitt <steve@xxxxxxx> Subject: arch/*: remove unused isa_page_to_bus() isa_page_to_bus() is deprecated and is no longer used anywhere. Remove it entirely. Link: http://lkml.kernel.org/r/20190613161155.16946-1-steve@xxxxxxx Signed-off-by: Stephen Kitt <steve@xxxxxxx> Acked-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- arch/alpha/include/asm/io.h | 5 ----- arch/arm/include/asm/io.h | 1 - arch/mips/include/asm/io.h | 2 -- arch/x86/include/asm/io.h | 1 - 4 files changed, 9 deletions(-) --- a/arch/alpha/include/asm/io.h~drop-unused-isa_page_to_bus +++ a/arch/alpha/include/asm/io.h @@ -93,11 +93,6 @@ static inline void * phys_to_virt(unsign #define page_to_phys(page) page_to_pa(page) -static inline dma_addr_t __deprecated isa_page_to_bus(struct page *page) -{ - return page_to_phys(page); -} - /* Maximum PIO space address supported? */ #define IO_SPACE_LIMIT 0xffff --- a/arch/arm/include/asm/io.h~drop-unused-isa_page_to_bus +++ a/arch/arm/include/asm/io.h @@ -33,7 +33,6 @@ * ISA I/O bus memory addresses are 1:1 with the physical address. */ #define isa_virt_to_bus virt_to_phys -#define isa_page_to_bus page_to_phys #define isa_bus_to_virt phys_to_virt /* --- a/arch/mips/include/asm/io.h~drop-unused-isa_page_to_bus +++ a/arch/mips/include/asm/io.h @@ -149,8 +149,6 @@ static inline void *isa_bus_to_virt(unsi return phys_to_virt(address); } -#define isa_page_to_bus page_to_phys - /* * However PCI ones are not necessarily 1:1 and therefore these interfaces * are forbidden in portable PCI drivers. --- a/arch/x86/include/asm/io.h~drop-unused-isa_page_to_bus +++ a/arch/x86/include/asm/io.h @@ -165,7 +165,6 @@ static inline unsigned int isa_virt_to_b { return (unsigned int)virt_to_phys(address); } -#define isa_page_to_bus(page) ((unsigned int)page_to_phys(page)) #define isa_bus_to_virt phys_to_virt /* _ Patches currently in -mm which might be from steve@xxxxxxx are drop-unused-isa_page_to_bus.patch