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72 lines
2.3 KiB
Diff
72 lines
2.3 KiB
Diff
From: Lorenzo Bianconi <lorenzo@kernel.org>
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Date: Mon, 18 Sep 2023 12:29:10 +0200
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Subject: [PATCH] net: ethernet: mtk_wed: make memory region optional
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Make mtk_wed_wo_memory_region optionals.
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This is a preliminary patch to introduce Wireless Ethernet Dispatcher
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support for MT7988 SoC since MT7988 WED fw image will have a different
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layout.
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Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
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Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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---
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--- a/drivers/net/ethernet/mediatek/mtk_wed_mcu.c
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+++ b/drivers/net/ethernet/mediatek/mtk_wed_mcu.c
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@@ -234,19 +234,13 @@ int mtk_wed_mcu_msg_update(struct mtk_we
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}
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static int
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-mtk_wed_get_memory_region(struct mtk_wed_wo *wo,
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+mtk_wed_get_memory_region(struct mtk_wed_hw *hw, int index,
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struct mtk_wed_wo_memory_region *region)
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{
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struct reserved_mem *rmem;
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struct device_node *np;
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- int index;
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- index = of_property_match_string(wo->hw->node, "memory-region-names",
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- region->name);
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- if (index < 0)
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- return index;
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-
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- np = of_parse_phandle(wo->hw->node, "memory-region", index);
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+ np = of_parse_phandle(hw->node, "memory-region", index);
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if (!np)
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return -ENODEV;
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@@ -258,7 +252,7 @@ mtk_wed_get_memory_region(struct mtk_wed
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region->phy_addr = rmem->base;
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region->size = rmem->size;
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- region->addr = devm_ioremap(wo->hw->dev, region->phy_addr, region->size);
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+ region->addr = devm_ioremap(hw->dev, region->phy_addr, region->size);
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return !region->addr ? -EINVAL : 0;
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}
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@@ -271,6 +265,9 @@ mtk_wed_mcu_run_firmware(struct mtk_wed_
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const struct mtk_wed_fw_trailer *trailer;
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const struct mtk_wed_fw_region *fw_region;
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+ if (!region->phy_addr || !region->size)
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+ return 0;
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+
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trailer_ptr = fw->data + fw->size - sizeof(*trailer);
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trailer = (const struct mtk_wed_fw_trailer *)trailer_ptr;
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region_ptr = trailer_ptr - trailer->num_region * sizeof(*fw_region);
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@@ -318,7 +315,13 @@ mtk_wed_mcu_load_firmware(struct mtk_wed
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/* load firmware region metadata */
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for (i = 0; i < ARRAY_SIZE(mem_region); i++) {
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- ret = mtk_wed_get_memory_region(wo, &mem_region[i]);
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+ int index = of_property_match_string(wo->hw->node,
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+ "memory-region-names",
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+ mem_region[i].name);
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+ if (index < 0)
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+ continue;
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+
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+ ret = mtk_wed_get_memory_region(wo->hw, index, &mem_region[i]);
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if (ret)
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return ret;
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}
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