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Re: [Qemu-devel] [PATCH v7 11/13] xilinx_spips: Don't set TX FIFO UNDERF


From: francisco iglesias
Subject: Re: [Qemu-devel] [PATCH v7 11/13] xilinx_spips: Don't set TX FIFO UNDERFLOW at cmd done
Date: Thu, 23 Nov 2017 20:51:05 +0100

Good day Alistair,

Thank you very much for reviewing agian! I will update the patch set
according to your comments and come back with a new version (v8)!

Best regards,
Francisco Iglesias


On 23 November 2017 at 01:39, Alistair Francis <address@hidden> wrote:

> On Thu, Nov 2, 2017 at 5:01 PM, Francisco Iglesias
> <address@hidden> wrote:
> > Don't set TX FIFO UNDERFLOW interrupt after done transmiting the
> commands.
>
> after transmitting the commands
>
> > Also update interrupts after reading out the interrupt status.
> >
> > Signed-off-by: Francisco Iglesias <address@hidden>
>
> Acked-by: Alistair Francis <address@hidden>
>
> Alistair
>
>
> > ---
> >  hw/ssi/xilinx_spips.c | 4 +---
> >  1 file changed, 1 insertion(+), 3 deletions(-)
> >
> > diff --git a/hw/ssi/xilinx_spips.c b/hw/ssi/xilinx_spips.c
> > index 7f0f317..159a89d 100644
> > --- a/hw/ssi/xilinx_spips.c
> > +++ b/hw/ssi/xilinx_spips.c
> > @@ -329,9 +329,6 @@ static void xilinx_spips_flush_txfifo(XilinxSPIPS
> *s)
> >          uint8_t addr_length;
> >
> >          if (fifo8_is_empty(&s->tx_fifo)) {
> > -            if (!(s->regs[R_LQSPI_CFG] & LQSPI_CFG_LQ_MODE)) {
> > -                s->regs[R_INTR_STATUS] |= IXR_TX_FIFO_UNDERFLOW;
> > -            }
> >              xilinx_spips_update_ixr(s);
> >              return;
> >          } else if (s->snoop_state == SNOOP_STRIPING) {
> > @@ -530,6 +527,7 @@ static uint64_t xilinx_spips_read(void *opaque,
> hwaddr addr,
> >          ret = s->regs[addr] & IXR_ALL;
> >          s->regs[addr] = 0;
> >          DB_PRINT_L(0, "addr=" TARGET_FMT_plx " = %x\n", addr * 4, ret);
> > +        xilinx_spips_update_ixr(s);
> >          return ret;
> >      case R_INTR_MASK:
> >          mask = IXR_ALL;
> > --
> > 2.9.3
> >
> >
>


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