diff options
Diffstat (limited to 'target/linux/generic/backport-5.15/702-v5.19-11-net-ethernet-mtk_eth_soc-wed-fix-sparse-endian-warni.patch')
-rw-r--r-- | target/linux/generic/backport-5.15/702-v5.19-11-net-ethernet-mtk_eth_soc-wed-fix-sparse-endian-warni.patch | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.15/702-v5.19-11-net-ethernet-mtk_eth_soc-wed-fix-sparse-endian-warni.patch b/target/linux/generic/backport-5.15/702-v5.19-11-net-ethernet-mtk_eth_soc-wed-fix-sparse-endian-warni.patch new file mode 100644 index 0000000000..8f3dfe8239 --- /dev/null +++ b/target/linux/generic/backport-5.15/702-v5.19-11-net-ethernet-mtk_eth_soc-wed-fix-sparse-endian-warni.patch @@ -0,0 +1,56 @@ +From: Felix Fietkau <nbd@nbd.name> +Date: Fri, 8 Apr 2022 10:59:45 +0200 +Subject: [PATCH] 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> +--- + +--- 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_devi + + 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_devic + + 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); + } + |