在2023年9月21日九月 下午12:04,Baoquan He写道: > This patchset tries to remove ioremap_uc() in the current architectures > except of x86 and ia64. They will use the default ioremap_uc version > in <asm-generic/io.h> which returns NULL. Anyone who wants to add new > invocation of ioremap_uc(), please consider using ioremap() instead or > adding a new ARCH specific ioremap_uc(), or refer to the callsite > in drivers/video/fbdev/aty/atyfb_base.c. > > This change won't cuase breakage to the current kernel because in the > only ioremap_uc callsite, an adjustment is made to eliminate impact in > patch 1 of this series. > > To get rid of all of them other than x86 and ia64, add asm-generic/io.h > to asm/io.h of mips ARCH. With this adding, we can get rid of the > ioremap_uc() in mips too. This is done in patch 2. And a followup patch > 4 is added to remove duplicated code according to Arnd's suggestion. > > Test: > ===== > Except of Jiaxun's efficient testing on patch 2/4, I also did cross compiling > of this series on mips64, building passed. > For whole series: Tested-by: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx> Hi Arnd and Thomas, I've got some work pending based on this series, however I'm unclear about which tree this series will go since both of you give acked-by. Given that there are some tree-wide modifications, I guess it should go into Arnd's asm-generic tree? Thanks -- - Jiaxun