net: ethernet: mtk_eth_soc/wed: fix sparse endian warnings

Descriptor fields are little-endian

Fixes: 804775dfc288 ("net: ethernet: mtk_eth_soc: add support for Wireless Ethernet Dispatch (WED)")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/mediatek/mtk_wed.c b/drivers/net/ethernet/mediatek/mtk_wed.c
index 5d510ac..5530f79 100644 (file)
--- a/drivers/net/ethernet/mediatek/mtk_wed.c
+++ b/drivers/net/ethernet/mediatek/mtk_wed.c
@@ -144,16 +144,17 @@ mtk_wed_buffer_alloc(struct mtk_wed_device *dev)
 
                for (s = 0; s < MTK_WED_BUF_PER_PAGE; s++) {
                        u32 txd_size;
+                       u32 ctrl;
 
                        txd_size = dev->wlan.init_buf(buf, buf_phys, token++);
 
-                       desc->buf0 = buf_phys;
-                       desc->buf1 = buf_phys + txd_size;
-                       desc->ctrl = FIELD_PREP(MTK_WDMA_DESC_CTRL_LEN0,
-                                               txd_size) |
-                                    FIELD_PREP(MTK_WDMA_DESC_CTRL_LEN1,
-                                               MTK_WED_BUF_SIZE - txd_size) |
-                                    MTK_WDMA_DESC_CTRL_LAST_SEG1;
+                       desc->buf0 = cpu_to_le32(buf_phys);
+                       desc->buf1 = cpu_to_le32(buf_phys + txd_size);
+                       ctrl = FIELD_PREP(MTK_WDMA_DESC_CTRL_LEN0, txd_size) |
+                              FIELD_PREP(MTK_WDMA_DESC_CTRL_LEN1,
+                                         MTK_WED_BUF_SIZE - txd_size) |
+                              MTK_WDMA_DESC_CTRL_LAST_SEG1;
+                       desc->ctrl = cpu_to_le32(ctrl);
                        desc->info = 0;
                        desc++;
 
@@ -184,12 +185,14 @@ mtk_wed_free_buffer(struct mtk_wed_device *dev)
 
        for (i = 0, page_idx = 0; i < dev->buf_ring.size; i += MTK_WED_BUF_PER_PAGE) {
                void *page = page_list[page_idx++];
+               dma_addr_t buf_addr;
 
                if (!page)
                        break;
 
-               dma_unmap_page(dev->hw->dev, desc[i].buf0,
-                              PAGE_SIZE, DMA_BIDIRECTIONAL);
+               buf_addr = le32_to_cpu(desc[i].buf0);
+               dma_unmap_page(dev->hw->dev, buf_addr, PAGE_SIZE,
+                              DMA_BIDIRECTIONAL);
                __free_page(page);
        }