Re: [PATCH v2] soc: qcom: Rework BCM_TCS_CMD macro

From: Stephen Boyd
Date: Fri Nov 08 2024 - 14:00:33 EST


Quoting Eugen Hristev (2024-10-30 01:28:14)
> On 10/30/24 02:40, Stephen Boyd wrote:
> >
> > If the rpmh-rsc code didn't use writel() or readl() I'd believe that the
> > data member is simply a u32 container. But those writel() and readl()
> > functions are doing a byte swap, which seems to imply that the data
> > member is a native CPU endian u32 that needs to be converted to
> > little-endian. Sounds like BCM_TCS_CMD() should just pack things into a
> > u32 and we can simply remove the cpu_to_l32() stuff in the macro?
>
> This review [1] from Evan Green on the original patch submission
> requested the use of cpu_to_le32
>
> So that's how it ended up there.
>

Thanks. I still don't see why this can't just be treated as a u32 and
then we have writel() take care of it for us.