修改4g拨号为QMI,需要在系统里后台执行quectel-CM

hc

2024-10-22 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5

 kernel/arch/arm/mach-mvebu/coherency_ll.S
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@@ -35,13 +35,8 @@
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 	/*
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 	 * MMU is disabled, use the physical address of the coherency
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-	 * base address. However, if the coherency fabric isn't mapped
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-	 * (i.e its virtual address is zero), it means coherency is
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-	 * not enabled, so we return 0.
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+	 * base address, (or 0x0 if the coherency fabric is not mapped)
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 	 */
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-	ldr	r1, =coherency_base
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-	cmp	r1, #0
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-	beq	2f
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 	adr	r1, 3f
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 	ldr	r3, [r1]
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 	ldr	r1, [r1, r3]
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@@ -66,7 +61,7 @@
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  * fabric registers
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  */
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 ENTRY(ll_get_coherency_cpumask)
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-	mrc	15, 0, r3, cr0, cr0, 5
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+	mrc	p15, 0, r3, cr0, cr0, 5
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 	and	r3, r3, #15
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 	mov	r2, #(1 << 24)
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 	lsl	r3, r2, r3