[Pdbg] [PATCH 1/3] libpdbg/p10chip: remove delay from special wakeup clearing

[Joel Stanley]

On Mon, 21 Dec 2020 at 10:18, Nicholas Piggin <npiggin at gmail.com> wrote:
>
> These were added to the p9chip in an attempt to work around some
> instability. Try without them for P10, skiboot has similarly removed
> the delays.
>
> Signed-off-by: Nicholas Piggin <npiggin at gmail.com>

Reviewed-by: Joel Stanley <joel at jms.id.au>

> ---
>  libpdbg/p10chip.c | 3 ---
>  1 file changed, 3 deletions(-)
>
> diff --git a/libpdbg/p10chip.c b/libpdbg/p10chip.c
> index 70067cf..f26e4ca 100644
> --- a/libpdbg/p10chip.c
> +++ b/libpdbg/p10chip.c
> @@ -119,8 +119,6 @@ static void p10_core_release(struct pdbg_target *target)
>         struct core *core = target_to_core(target);
>         enum pdbg_target_status status;
>
> -       usleep(1); /* enforce small delay before and after it is cleared */
> -
>         /* Probe and release all threads to ensure release_spwkup is up to
>          * date */
>         pdbg_for_each_target("thread", target, child) {
> @@ -143,7 +141,6 @@ static void p10_core_release(struct pdbg_target *target)
>                 return;
>
>         pib_write(target, QME_SPWU_FSP, 0);
> -       usleep(10000);
>  }
>
>  #define NUM_CORES_PER_EQ 4
> --
> 2.23.0
>
> --
> Pdbg mailing list
> Pdbg at lists.ozlabs.org
> https://lists.ozlabs.org/listinfo/pdbg