add wifi6 8852be driver

hc

2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da

 kernel/arch/arm/mach-omap2/omap_device.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * omap_device implementation
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  *
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@@ -9,10 +10,6 @@
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  * Pandita, Sakari Poussa, Anand Sawant, Santosh Shilimkar, Richard
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  * Woodruff
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  *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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- *
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  * This code provides a consistent interface for OMAP device drivers
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  * to control power management and interconnect properties of their
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  * devices.
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@@ -20,8 +17,6 @@
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  * In the medium- to long-term, this code should be implemented as a
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  * proper omap_bus/omap_device in Linux, no more platform_data func
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  * pointers
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- *
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- *
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  */
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 #undef DEBUG
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22
 
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@@ -124,11 +119,7 @@
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119
 
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 /**
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  * omap_device_build_from_dt - build an omap_device with multiple hwmods
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- * @pdev_name: name of the platform_device driver to use
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- * @pdev_id: this platform_device's connection ID
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- * @oh: ptr to the single omap_hwmod that backs this omap_device
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- * @pdata: platform_data ptr to associate with the platform_device
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- * @pdata_len: amount of memory pointed to by @pdata
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+ * @pdev: The platform device to update.
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  *
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  * Function for building an omap_device already registered from device-tree
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  *
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@@ -251,7 +242,7 @@
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 		if (pdev->dev.of_node)
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 			omap_device_build_from_dt(pdev);
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 		omap_auxdata_legacy_init(dev);
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-		/* fall through */
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+		fallthrough;
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 	default:
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 		od = to_omap_device(pdev);
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 		if (od)
..
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@@ -299,7 +290,7 @@
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 /**
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  * omap_device_get_context_loss_count - get lost context count
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- * @od: struct omap_device *
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+ * @pdev: The platform device to update.
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  *
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  * Using the primary hwmod, query the context loss count for this
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  * device.
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@@ -328,9 +319,8 @@
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 /**
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  * omap_device_alloc - allocate an omap_device
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  * @pdev: platform_device that will be included in this omap_device
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- * @oh: ptr to the single omap_hwmod that backs this omap_device
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- * @pdata: platform_data ptr to associate with the platform_device
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- * @pdata_len: amount of memory pointed to by @pdata
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+ * @ohs: ptr to the omap_hwmod for this omap_device
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+ * @oh_cnt: the size of the ohs list
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  *
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  * Convenience function for allocating an omap_device structure and filling
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  * hwmods, and resources.
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@@ -383,176 +373,6 @@
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 	od->pdev->archdata.od = NULL;
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 	kfree(od->hwmods);
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 	kfree(od);
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-}
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-
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-/**
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- * omap_device_copy_resources - Add legacy IO and IRQ resources
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- * @oh: interconnect target module
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- * @pdev: platform device to copy resources to
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- *
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- * We still have legacy DMA and smartreflex needing resources.
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- * Let's populate what they need until we can eventually just
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- * remove this function. Note that there should be no need to
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- * call this from omap_device_build_from_dt(), nor should there
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- * be any need to call it for other devices.
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- */
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-static int
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-omap_device_copy_resources(struct omap_hwmod *oh,
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-			   struct platform_device *pdev)
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-{
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-	struct device_node *np, *child;
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-	struct property *prop;
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-	struct resource *res;
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-	const char *name;
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-	int error, irq = 0;
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-
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-	if (!oh || !oh->od || !oh->od->pdev)
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-		return -EINVAL;
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-
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-	np = oh->od->pdev->dev.of_node;
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-	if (!np) {
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-		error = -ENODEV;
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-		goto error;
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-	}
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-
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-	res = kcalloc(2, sizeof(*res), GFP_KERNEL);
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-	if (!res)
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-		return -ENOMEM;
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-
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-	/* Do we have a dts range for the interconnect target module? */
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-	error = omap_hwmod_parse_module_range(oh, np, res);
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-
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-	/* No ranges, rely on device reg entry */
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-	if (error)
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-		error = of_address_to_resource(np, 0, res);
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-	if (error)
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-		goto free;
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-
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-	/* SmartReflex needs first IO resource name to be "mpu" */
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-	res[0].name = "mpu";
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-
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-	/*
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-	 * We may have a configured "ti,sysc" interconnect target with a
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-	 * dts child with the interrupt. If so use the first child's
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-	 * first interrupt for "ti-hwmods" legacy support.
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-	 */
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-	of_property_for_each_string(np, "compatible", prop, name)
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-		if (!strncmp("ti,sysc-", name, 8))
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-			break;
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-
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-	child = of_get_next_available_child(np, NULL);
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-
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-	if (name)
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-		irq = irq_of_parse_and_map(child, 0);
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-	if (!irq)
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-		irq = irq_of_parse_and_map(np, 0);
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-	if (!irq) {
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-		error = -EINVAL;
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-		goto free;
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-	}
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-
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-	/* Legacy DMA code needs interrupt name to be "0" */
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-	res[1].start = irq;
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-	res[1].end = irq;
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-	res[1].flags = IORESOURCE_IRQ;
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-	res[1].name = "0";
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-
460
-	error = platform_device_add_resources(pdev, res, 2);
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-
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-free:
463
-	kfree(res);
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-
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-error:
466
-	WARN(error, "%s: %s device %s failed: %i\n",
467
-	     __func__, oh->name, dev_name(&pdev->dev),
468
-	     error);
469
-
470
-	return error;
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-}
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-
473
-/**
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- * omap_device_build - build and register an omap_device with one omap_hwmod
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- * @pdev_name: name of the platform_device driver to use
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- * @pdev_id: this platform_device's connection ID
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- * @oh: ptr to the single omap_hwmod that backs this omap_device
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- * @pdata: platform_data ptr to associate with the platform_device
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- * @pdata_len: amount of memory pointed to by @pdata
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- *
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- * Convenience function for building and registering a single
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- * omap_device record, which in turn builds and registers a
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- * platform_device record.  See omap_device_build_ss() for more
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- * information.  Returns ERR_PTR(-EINVAL) if @oh is NULL; otherwise,
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- * passes along the return value of omap_device_build_ss().
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- */
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-struct platform_device __init *omap_device_build(const char *pdev_name,
488
-						 int pdev_id,
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-						 struct omap_hwmod *oh,
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-						 void *pdata, int pdata_len)
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-{
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-	int ret = -ENOMEM;
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-	struct platform_device *pdev;
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-	struct omap_device *od;
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-
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-	if (!oh || !pdev_name)
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-		return ERR_PTR(-EINVAL);
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-
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-	if (!pdata && pdata_len > 0)
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-		return ERR_PTR(-EINVAL);
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-
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-	if (strncmp(oh->name, "smartreflex", 11) &&
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-	    strncmp(oh->name, "dma", 3)) {
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-		pr_warn("%s need to update %s to probe with dt\na",
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-			__func__, pdev_name);
506
-		ret = -ENODEV;
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-		goto odbs_exit;
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-	}
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-
510
-	pdev = platform_device_alloc(pdev_name, pdev_id);
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-	if (!pdev) {
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-		ret = -ENOMEM;
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-		goto odbs_exit;
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-	}
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-
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-	/* Set the dev_name early to allow dev_xxx in omap_device_alloc */
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-	if (pdev->id != -1)
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-		dev_set_name(&pdev->dev, "%s.%d", pdev->name,  pdev->id);
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-	else
520
-		dev_set_name(&pdev->dev, "%s", pdev->name);
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-
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-	/*
523
-	 * Must be called before omap_device_alloc() as oh->od
524
-	 * only contains the currently registered omap_device
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-	 * and will get overwritten by omap_device_alloc().
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-	 */
527
-	ret = omap_device_copy_resources(oh, pdev);
528
-	if (ret)
529
-		goto odbs_exit1;
530
-
531
-	od = omap_device_alloc(pdev, &oh, 1);
532
-	if (IS_ERR(od)) {
533
-		ret = PTR_ERR(od);
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-		goto odbs_exit1;
535
-	}
536
-
537
-	ret = platform_device_add_data(pdev, pdata, pdata_len);
538
-	if (ret)
539
-		goto odbs_exit2;
540
-
541
-	ret = omap_device_register(pdev);
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-	if (ret)
543
-		goto odbs_exit2;
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-
545
-	return pdev;
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-
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-odbs_exit2:
548
-	omap_device_delete(od);
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-odbs_exit1:
550
-	platform_device_put(pdev);
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-odbs_exit:
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-
553
-	pr_err("omap_device: %s: build failed (%d)\n", pdev_name, ret);
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-
555
-	return ERR_PTR(ret);
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376
 }
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377
 
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378
 #ifdef CONFIG_PM
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..
@@ -656,7 +476,7 @@
656
476
 
657
477
 /**
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478
  * omap_device_register - register an omap_device with one omap_hwmod
659
- * @od: struct omap_device * to register
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+ * @pdev: the platform device (omap_device) to register.
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480
  *
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481
  * Register the omap_device structure.  This currently just calls
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482
  * platform_device_register() on the underlying platform_device.
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..
@@ -675,7 +495,7 @@
675
495
 
676
496
 /**
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497
  * omap_device_enable - fully activate an omap_device
678
- * @od: struct omap_device * to activate
498
+ * @pdev: the platform device to activate
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499
  *
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500
  * Do whatever is necessary for the hwmods underlying omap_device @od
681
501
  * to be accessible and ready to operate.  This generally involves
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..
@@ -709,7 +529,7 @@
709
529
 
710
530
 /**
711
531
  * omap_device_idle - idle an omap_device
712
- * @od: struct omap_device * to idle
532
+ * @pdev: The platform_device (omap_device) to idle
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533
  *
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534
  * Idle omap_device @od.  Device drivers call this function indirectly
715
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  * via pm_runtime_put*().  Returns -EINVAL if the omap_device is not