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[Qemu-devel] [PULL 11/43] xilinx_spips: Don't set TX FIFO UNDERFLOW at c


From: Peter Maydell
Subject: [Qemu-devel] [PULL 11/43] xilinx_spips: Don't set TX FIFO UNDERFLOW at cmd done
Date: Wed, 13 Dec 2017 18:12:09 +0000

From: Francisco Iglesias <address@hidden>

Don't set TX FIFO UNDERFLOW interrupt 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>
Reviewed-by: Edgar E. Iglesias <address@hidden>
Tested-by: Edgar E. Iglesias <address@hidden>
Message-id: address@hidden
Signed-off-by: Peter Maydell <address@hidden>
---
 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 ab54da8..3805d8b 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;
-- 
2.7.4




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