On 19. 7. 19. 오전 10:22, Dmitry Osipenko wrote: > В Thu, 18 Jul 2019 18:09:05 +0900 > Chanwoo Choi <cw00.choi@xxxxxxxxxxx> пишет: > >> On 19. 7. 16. 오후 10:35, Dmitry Osipenko wrote: >>> 16.07.2019 15:26, Chanwoo Choi пишет: >>>> Hi Dmitry, >>>> >>>> I'm not sure that it is necessary. >>>> As I knew, usally, the 'inline' is used on header file >>>> to define the empty functions. >>>> >>>> Do we have to change it with 'inline' keyword? >>> >>> The 'inline' attribute tells compiler that instead of jumping into >>> the function, it should take the function's code and replace the >>> function's invocation with that code. This is done in order to help >>> compiler optimize code properly, please see [1]. There is >>> absolutely no need to create a function call into a function that >>> consists of a single instruction. >>> >>> [1] https://gcc.gnu.org/onlinedocs/gcc-9.1.0/gcc/Inline.html >>> >> >> If you want to add 'inline' keyword, I recommend that >> you better to remove the modified function in this patch >> and then just call the 'write_relaxed or read_relaxed' function >> directly. It is same result when using inline keyword. > > That could be done, but it makes code less readable. > > See the difference: > > device_writel(dev, ACTMON_INTR_STATUS_CLEAR, ACTMON_DEV_INTR_STATUS); > > writel_relaxed(ACTMON_INTR_STATUS_CLEAR, > dev->regs + ACTMON_DEV_INTR_STATUS); No problem if you add the detailed comment and you want to use the 'inline' keyword. > > > -- Best Regards, Chanwoo Choi Samsung Electronics
