The missing 'volatile' keyword on the iounmap argument leads to lots of harmless warnings in an allmodconfig build:
sound/pci/echoaudio/echoaudio.c:1879:10: warning: passing argument 1 of 'iounmap' discards 'volatile' qualifier from pointer target type [-Wdiscarded-qualifiers] Signed-off-by: Arnd Bergmann <[email protected]> --- arch/microblaze/include/asm/io.h | 2 +- arch/microblaze/mm/pgtable.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/microblaze/include/asm/io.h b/arch/microblaze/include/asm/io.h index 39b6315db82e..c7968139486f 100644 --- a/arch/microblaze/include/asm/io.h +++ b/arch/microblaze/include/asm/io.h @@ -36,7 +36,7 @@ extern resource_size_t isa_mem_base; #ifdef CONFIG_MMU #define page_to_bus(page) (page_to_phys(page)) -extern void iounmap(void __iomem *addr); +extern void iounmap(volatile void __iomem *addr); extern void __iomem *ioremap(phys_addr_t address, unsigned long size); #define ioremap_nocache(addr, size) ioremap((addr), (size)) diff --git a/arch/microblaze/mm/pgtable.c b/arch/microblaze/mm/pgtable.c index 4c0599239915..7f525962cdfa 100644 --- a/arch/microblaze/mm/pgtable.c +++ b/arch/microblaze/mm/pgtable.c @@ -127,7 +127,7 @@ void __iomem *ioremap(phys_addr_t addr, unsigned long size) } EXPORT_SYMBOL(ioremap); -void iounmap(void __iomem *addr) +void iounmap(volatile void __iomem *addr) { if ((__force void *)addr > high_memory && (unsigned long) addr < ioremap_bot) -- 2.9.0
