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SubjectRe: [PATCH] fsi: sbefifo: Don't fail operations when in SBE IPL state
On Mon, 17 Jun 2019 at 02:09, Alistair Popple <alistair@popple.id.au> wrote:
>
> On Monday, 21 January 2019 11:15:58 AM AEST Eddie James wrote:
> > SBE fifo operations should be allowed while the SBE is in any of the
> > "IPL" states. Operations should succeed in this state.
> >
> > Signed-off-by: Eddie James <eajames@linux.ibm.com>
>
> This fixed the problem I was having trying to issue istep operations to the
> SBE.
>
> Tested-by: Alistair Popple <alistair@popple.id.au>

This one slipped through the cracks.

Fixes: 9f4a8a2d7f9d fsi/sbefifo: Add driver for the SBE FIFO
Reviewed-by: Joel Stanley <joel@jsm.id.au>

Greg, can you please queue this one up for 5.3?

Cheers,

Joel

> > ---
> > drivers/fsi/fsi-sbefifo.c | 4 ++--
> > 1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/fsi/fsi-sbefifo.c b/drivers/fsi/fsi-sbefifo.c
> > index c7d13ac..f7665b3 100644
> > --- a/drivers/fsi/fsi-sbefifo.c
> > +++ b/drivers/fsi/fsi-sbefifo.c
> > @@ -290,11 +290,11 @@ static int sbefifo_check_sbe_state(struct sbefifo
> > *sbefifo) switch ((sbm & CFAM_SBM_SBE_STATE_MASK) >>
> > CFAM_SBM_SBE_STATE_SHIFT) { case SBE_STATE_UNKNOWN:
> > return -ESHUTDOWN;
> > + case SBE_STATE_DMT:
> > + return -EBUSY;
> > case SBE_STATE_IPLING:
> > case SBE_STATE_ISTEP:
> > case SBE_STATE_MPIPL:
> > - case SBE_STATE_DMT:
> > - return -EBUSY;
> > case SBE_STATE_RUNTIME:
> > case SBE_STATE_DUMP: /* Not sure about that one */
> > break;
>
>

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