Re: [PATCH] rtc: omap: use rtc_write to access OMAP_RTC_OSC_REG
From: Alexandre Belloni
Date: Thu Apr 29 2021 - 17:29:59 EST
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.
[1/1] rtc: omap: use rtc_write to access OMAP_RTC_OSC_REG
Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>