On Thu, Feb 16, 2023 at 08:34:15PM +0800, Baoquan He wrote: > Meanwhile, add macro ARCH_HAS_IOREMAP_WC since the added ioremap_wc() > will conflict with the one in include/asm-generic/iomap.h, then an > compiling error is seen: Huh? ARCH_HAS_IOREMAP_WC comes up nowhere else in this patchset, and the current definition of ioremap_wc() is guarded by an ifndef ioremap_wc > +#define ioremap_wc(addr, size) \ > + ioremap_prot((addr), (size), _PAGE_IOREMAP) This should be enough all by itself.
