add wifi6 8852be driver

hc

2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da

 kernel/arch/mips/bmips/dma.c
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@@ -40,7 +40,7 @@
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 #define FLUSH_RAC		0x100
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-dma_addr_t __phys_to_dma(struct device *dev, phys_addr_t pa)
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+dma_addr_t phys_to_dma(struct device *dev, phys_addr_t pa)
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 {
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 	struct bmips_dma_range *r;
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@@ -52,7 +52,7 @@
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 	return pa;
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 }
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-phys_addr_t __dma_to_phys(struct device *dev, dma_addr_t dma_addr)
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+phys_addr_t dma_to_phys(struct device *dev, dma_addr_t dma_addr)
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 {
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 	struct bmips_dma_range *r;
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@@ -64,7 +64,9 @@
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 	return dma_addr;
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 }
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-void arch_sync_dma_for_cpu_all(struct device *dev)
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+bool bmips_rac_flush_disable;
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+
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+void arch_sync_dma_for_cpu_all(void)
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 {
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 	void __iomem *cbr = BMIPS_GET_CBR();
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 	u32 cfg;
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@@ -74,6 +76,9 @@
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 	    boot_cpu_type() != CPU_BMIPS4380)
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 		return;
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+	if (unlikely(bmips_rac_flush_disable))
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+		return;
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+
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 	/* Flush stale data out of the readahead cache */
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 	cfg = __raw_readl(cbr + BMIPS_RAC_CONFIG);
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 	__raw_writel(cfg | 0x100, cbr + BMIPS_RAC_CONFIG);