[MIPS] Fix build error on processors that don's support copy-on-write. (778e2ac5) · Commits · e / devices / android_kernel_xiaomi_markw

arch/mips/lib/iomap.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -63,7 +63,7 @@ void __iomem pci_iomap(struct pci_dev dev, int bar, unsigned long maxlen)
		return ioport_map(start, len);
		if (flags & IORESOURCE_MEM) {
		if (flags & IORESOURCE_CACHEABLE)
		return ioremap_cacheable_cow(start, len);
		return ioremap_cachable(start, len);
		return ioremap_nocache(start, len);
		}

+18 −0

Original line number	Diff line number	Diff line
		@@ -282,6 +282,24 @@ static inline void __iomem * __ioremap_mode(phys_t offset, unsigned long size,
		#define ioremap_nocache(offset, size) \
		__ioremap_mode((offset), (size), _CACHE_UNCACHED)

		/*
		* ioremap_cachable - map bus memory into CPU space
		* @offset: bus address of the memory
		* @size: size of the resource to map
		*
		* ioremap_nocache performs a platform specific sequence of operations to
		* make bus memory CPU accessible via the readb/readw/readl/writeb/
		* writew/writel functions and the other mmio helpers. The returned
		* address is not guaranteed to be usable directly as a virtual
		* address.
		*
		* This version of ioremap ensures that the memory is marked cachable by
		* the CPU. Also enables full write-combining. Useful for some
		* memory-like regions on I/O busses.
		*/
		#define ioremap_cachable(offset, size) \
		__ioremap_mode((offset), (size), PAGE_CACHABLE_DEFAULT)

		/*
		* These two are MIPS specific ioremap variant. ioremap_cacheable_cow
		* requests a cachable mapping, ioremap_uncached_accelerated requests a