Re: [PATCHv10 2/6] coresight: etm4x: Use asm-generic IO memory barriers

[Arnd Bergmann]

On Thu, Feb 24, 2022 at 7:07 AM Sai Prakash Ranjan
<quic_saipraka@xxxxxxxxxxx> wrote:
>
> Per discussion in [1], it was decided to move to using architecture
> independent/asm-generic IO memory barriers to have just one set of
> them and deprecate use of arm64 specific IO memory barriers in driver
> code. So replace current usage of __io_rmb()/__iowmb() in drivers to
> __io_ar()/__io_bw().
>
> [1] https://lore.kernel.org/lkml/CAK8P3a0L2tLeF1Q0+0ijUxhGNaw+Z0fyPC1oW6_ELQfn0=i4iw@xxxxxxxxxxxxxx/
>
> Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
> Cc: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>
> Cc: Suzuki K Poulose <suzuki.poulose@xxxxxxx>
> Cc: Mike Leach <mike.leach@xxxxxxxxxx>
> Cc: coresight@xxxxxxxxxxxxxxxx
> Signed-off-by: Sai Prakash Ranjan <quic_saipraka@xxxxxxxxxxx>

Reviewed-by: Arnd Bergmann <arnd@xxxxxxxx>