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[PATCH 09/13] dma/xlnx-zdma: Remove redundant statement in zdma_write_ds


From: kuhn.chenqun
Subject: [PATCH 09/13] dma/xlnx-zdma: Remove redundant statement in zdma_write_dst()
Date: Tue, 25 Feb 2020 10:09:33 +0800

From: Chen Qun <address@hidden>

Clang static code analyzer show warning:
hw/dma/xlnx-zdma.c:399:13: warning: Value stored to 'dst_type' is never read
            dst_type = FIELD_EX32(s->dsc_dst.words[3], ZDMA_CH_DST_DSCR_WORD3,
            ^          ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Reported-by: Euler Robot <address@hidden>
Signed-off-by: Chen Qun <address@hidden>
---
Cc: Alistair Francis <address@hidden>
Cc: "Edgar E. Iglesias" <address@hidden>
Cc: Peter Maydell <address@hidden>
Cc: address@hidden
---
 hw/dma/xlnx-zdma.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/hw/dma/xlnx-zdma.c b/hw/dma/xlnx-zdma.c
index 8fb83f5b07..45355c5d59 100644
--- a/hw/dma/xlnx-zdma.c
+++ b/hw/dma/xlnx-zdma.c
@@ -396,8 +396,6 @@ static void zdma_write_dst(XlnxZDMA *s, uint8_t *buf, 
uint32_t len)
             zdma_load_descriptor(s, next, &s->dsc_dst);
             dst_size = FIELD_EX32(s->dsc_dst.words[2], ZDMA_CH_DST_DSCR_WORD2,
                                   SIZE);
-            dst_type = FIELD_EX32(s->dsc_dst.words[3], ZDMA_CH_DST_DSCR_WORD3,
-                                  TYPE);
         }
 
         /* Match what hardware does by ignoring the dst_size and only using
-- 
2.23.0





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