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Code Issues Releases Wiki Activity

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

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Descriptor fields are little-endian

Fixes: 804775dfc2 ("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>
This commit is contained in:
Felix Fietkau 2022-04-08 10:59:45 +02:00 committed by David S. Miller
parent b559edfaf3
commit 4d65f9b686
1 changed files with 12 additions and 9 deletions
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21
drivers/net/ethernet/mediatek/mtk_wed.c
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@ -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);
}