From: Philippe Mathieu-Daudé <philmd@redhat.com>
Date: Thu, 16 Dec 2021 10:24:56 +0000 (+0100)
Subject: dma: Have dma_buf_rw() take a void pointer
X-Git-Tag: v7.0.0-rc0~111^2~14
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=c0ee1527358474c75067993d1bb233ad3a4ee081;p=thirdparty%2Fqemu.git

dma: Have dma_buf_rw() take a void pointer

DMA operations are run on any kind of buffer, not arrays of
uint8_t. Convert dma_buf_rw() to take a void pointer argument
to save us pointless casts to uint8_t *.

Reviewed-by: Klaus Jensen <k.jensen@samsung.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20211223115554.3155328-8-philmd@redhat.com>
---

diff --git a/softmmu/dma-helpers.c b/softmmu/dma-helpers.c
index 3c06a2feddd..09e29997ee5 100644
--- a/softmmu/dma-helpers.c
+++ b/softmmu/dma-helpers.c
@@ -294,9 +294,10 @@ BlockAIOCB *dma_blk_write(BlockBackend *blk,
 }
 
 
-static uint64_t dma_buf_rw(uint8_t *ptr, int32_t len, QEMUSGList *sg,
+static uint64_t dma_buf_rw(void *buf, int32_t len, QEMUSGList *sg,
                            DMADirection dir)
 {
+    uint8_t *ptr = buf;
     uint64_t resid;
     int sg_cur_index;