rtl88x2CE_WiFi_linux driver

hc

2024-05-10 cde9070d9970eef1f7ec2360586c802a16230ad8

 kernel/arch/powerpc/platforms/chrp/setup.c
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@@ -34,7 +34,6 @@
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 #include <linux/timer.h>
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 #include <asm/io.h>
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-#include <asm/pgtable.h>
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 #include <asm/prom.h>
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 #include <asm/pci-bridge.h>
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 #include <asm/dma.h>
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@@ -280,20 +279,14 @@
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 	node = of_find_node_by_path(property);
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 	if (!node)
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 		return;
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-	property = of_get_property(node, "device_type", NULL);
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-	if (!property)
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-		goto out_put;
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-	if (strcmp(property, "serial"))
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+	if (!of_node_is_type(node, "serial"))
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 		goto out_put;
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 	/*
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 	 * The 9pin connector is either /failsafe
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 	 * or /pci@80000000/isa@C/serial@i2F8
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 	 * The optional graphics card has also type 'serial' in VGA mode.
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 	 */
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-	property = of_get_property(node, "name", NULL);
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-	if (!property)
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-		goto out_put;
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-	if (!strcmp(property, "failsafe") || !strcmp(property, "serial"))
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+	if (of_node_name_eq(node, "failsafe") || of_node_name_eq(node, "serial"))
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 		add_preferred_console("ttyS", 0, NULL);
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 out_put:
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 	of_node_put(node);
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@@ -457,13 +450,6 @@
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 	of_node_put(np);
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 }
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-#if defined(CONFIG_VT) && defined(CONFIG_INPUT_ADBHID) && defined(CONFIG_XMON)
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-static struct irqaction xmon_irqaction = {
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-	.handler = xmon_irq,
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-	.name = "XMON break",
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-};
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-#endif
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-
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 static void __init chrp_find_8259(void)
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 {
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 	struct device_node *np, *pic = NULL;
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@@ -544,19 +530,21 @@
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 	/* see if there is a keyboard in the device tree
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 	   with a parent of type "adb" */
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 	for_each_node_by_name(kbd, "keyboard")
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-		if (kbd->parent && kbd->parent->type
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-		    && strcmp(kbd->parent->type, "adb") == 0)
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+		if (of_node_is_type(kbd->parent, "adb"))
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 			break;
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 	of_node_put(kbd);
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-	if (kbd)
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-		setup_irq(HYDRA_INT_ADB_NMI, &xmon_irqaction);
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+	if (kbd) {
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+		if (request_irq(HYDRA_INT_ADB_NMI, xmon_irq, 0, "XMON break",
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+				NULL))
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+			pr_err("Failed to register XMON break interrupt\n");
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+	}
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 #endif
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 }
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 static void __init
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 chrp_init2(void)
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 {
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-#ifdef CONFIG_NVRAM
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+#if IS_ENABLED(CONFIG_NVRAM)
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 	chrp_nvram_init();
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 #endif
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@@ -580,7 +568,6 @@
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  	if (strcmp(dtype, "chrp"))
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 		return 0;
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-	ISA_DMA_THRESHOLD = ~0L;
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 	DMA_MODE_READ = 0x44;
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 	DMA_MODE_WRITE = 0x48;
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