On Sun, 25 Apr 2021 16:59:23 +0200, Dario Binacchi wrote: > The RTC_OSC_REG register is 32-bit, but the useful information is found > in the 7 least significant bits (bits 7-31 are reserved). And in fact, > as you can see from the code, all read accesses are 8-bit, as well as > some writes. Let's make sure all writes are 8-bit. Moreover, in contexts > where consecutive reads / writes after the busy check must take place > within 15 us, it is better not to waste time on useless accesses. I really doubt writeb versus writel actually make a difference as the bus will probably still do a 32bit access. Applied, thanks! [1/1] rtc: omap: use rtc_write to access OMAP_RTC_OSC_REG commit: 50f2cc7f758cdbc7c8f928edc25b1c7bc09ef3e2 Best regards, -- Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>