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57 lines
1.8 KiB
Diff
57 lines
1.8 KiB
Diff
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From: Felix Fietkau <nbd@nbd.name>
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Date: Fri, 8 Apr 2022 10:59:45 +0200
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Subject: [PATCH] net: ethernet: mtk_eth_soc/wed: fix sparse endian warnings
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Descriptor fields are little-endian
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Fixes: 804775dfc288 ("net: ethernet: mtk_eth_soc: add support for Wireless Ethernet Dispatch (WED)")
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Reported-by: kernel test robot <lkp@intel.com>
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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--- a/drivers/net/ethernet/mediatek/mtk_wed.c
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+++ b/drivers/net/ethernet/mediatek/mtk_wed.c
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@@ -144,16 +144,17 @@ mtk_wed_buffer_alloc(struct mtk_wed_devi
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for (s = 0; s < MTK_WED_BUF_PER_PAGE; s++) {
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u32 txd_size;
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+ u32 ctrl;
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txd_size = dev->wlan.init_buf(buf, buf_phys, token++);
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- desc->buf0 = buf_phys;
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- desc->buf1 = buf_phys + txd_size;
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- desc->ctrl = FIELD_PREP(MTK_WDMA_DESC_CTRL_LEN0,
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- txd_size) |
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- FIELD_PREP(MTK_WDMA_DESC_CTRL_LEN1,
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- MTK_WED_BUF_SIZE - txd_size) |
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- MTK_WDMA_DESC_CTRL_LAST_SEG1;
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+ desc->buf0 = cpu_to_le32(buf_phys);
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+ desc->buf1 = cpu_to_le32(buf_phys + txd_size);
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+ ctrl = FIELD_PREP(MTK_WDMA_DESC_CTRL_LEN0, txd_size) |
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+ FIELD_PREP(MTK_WDMA_DESC_CTRL_LEN1,
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+ MTK_WED_BUF_SIZE - txd_size) |
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+ MTK_WDMA_DESC_CTRL_LAST_SEG1;
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+ desc->ctrl = cpu_to_le32(ctrl);
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desc->info = 0;
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desc++;
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@@ -184,12 +185,14 @@ mtk_wed_free_buffer(struct mtk_wed_devic
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for (i = 0, page_idx = 0; i < dev->buf_ring.size; i += MTK_WED_BUF_PER_PAGE) {
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void *page = page_list[page_idx++];
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+ dma_addr_t buf_addr;
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if (!page)
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break;
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- dma_unmap_page(dev->hw->dev, desc[i].buf0,
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- PAGE_SIZE, DMA_BIDIRECTIONAL);
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+ buf_addr = le32_to_cpu(desc[i].buf0);
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+ dma_unmap_page(dev->hw->dev, buf_addr, PAGE_SIZE,
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+ DMA_BIDIRECTIONAL);
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__free_page(page);
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}
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