[Xen-changelog] [qemu-xen master] scsi/esp: do not raise an interrupt when reading the FIFO register

[patchbot@xxxxxxx]

commit 1d895feb3b9e4dd3560f505c309f26abf56c1e82
Author:     Hervé Poussineau <hpoussin@xxxxxxxxxxx>
AuthorDate: Fri Nov 18 23:33:17 2016 +0100
Commit:     Paolo Bonzini <pbonzini@xxxxxxxxxx>
CommitDate: Tue Nov 22 23:26:51 2016 +0100

    scsi/esp: do not raise an interrupt when reading the FIFO register
    
    This fixes SCSI adapter self-tests done in MIPS Jazz emulation,
    broken since ff589551c8e8e9e95e211b9d8daafb4ed39f1aec.
    
    Signed-off-by: Hervé Poussineau <hpoussin@xxxxxxxxxxx>
    Message-Id: <1479508397-8443-1-git-send-email-hpoussin@xxxxxxxxxxx>
    Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
---
 hw/scsi/esp.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/hw/scsi/esp.c b/hw/scsi/esp.c
index 1f2f2d3..5a5a4e9 100644
--- a/hw/scsi/esp.c
+++ b/hw/scsi/esp.c
@@ -406,11 +406,9 @@ uint64_t esp_reg_read(ESPState *s, uint32_t saddr)
             /* Data out.  */
             qemu_log_mask(LOG_UNIMP, "esp: PIO data read not implemented\n");
             s->rregs[ESP_FIFO] = 0;
-            esp_raise_irq(s);
         } else if (s->ti_rptr < s->ti_wptr) {
             s->ti_size--;
             s->rregs[ESP_FIFO] = s->ti_buf[s->ti_rptr++];
-            esp_raise_irq(s);
         }
         if (s->ti_rptr == s->ti_wptr) {
             s->ti_rptr = 0;
--
generated by git-patchbot for /home/xen/git/qemu-xen.git#master

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