change wifi driver to cypress

hc

2024-01-05 071106ecf68c401173c58808b1cf5f68cc50d390

 kernel/arch/powerpc/kernel/pci-hotplug.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * Derived from "arch/powerpc/platforms/pseries/pci_dlpar.c"
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  *
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@@ -7,11 +8,6 @@
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  * Updates, 2005, John Rose <johnrose@austin.ibm.com>
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  * Updates, 2005, Linas Vepstas <linas@austin.ibm.com>
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  * Updates, 2013, Gavin Shan <shangw@linux.vnet.ibm.com>
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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 as published by
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- * the Free Software Foundation; either version 2 of the License, or
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- * (at your option) any later version.
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  */
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 #include <linux/pci.h>
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@@ -59,11 +55,16 @@
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 void pcibios_release_device(struct pci_dev *dev)
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 {
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 	struct pci_controller *phb = pci_bus_to_host(dev->bus);
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-
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-	eeh_remove_device(dev);
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+	struct pci_dn *pdn = pci_get_pdn(dev);
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 	if (phb->controller_ops.release_device)
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 		phb->controller_ops.release_device(dev);
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+
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+	/* free()ing the pci_dn has been deferred to us, do it now */
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+	if (pdn && (pdn->flags & PCI_DN_FLAG_DEAD)) {
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+		pci_dbg(dev, "freeing dead pdn\n");
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+		kfree(pdn);
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+	}
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 }
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 /**
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@@ -109,8 +110,6 @@
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 	struct pci_controller *phb;
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 	struct device_node *dn = pci_bus_to_OF_node(bus);
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-	eeh_add_device_tree_early(PCI_DN(dn));
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-
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 	phb = pci_bus_to_host(bus);
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 	mode = PCI_PROBE_NORMAL;
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@@ -131,7 +130,6 @@
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 		 */
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 		slotno = PCI_SLOT(PCI_DN(dn->child)->devfn);
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 		pci_scan_slot(bus, PCI_DEVFN(slotno, 0));
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-		pcibios_setup_bus_devices(bus);
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 		max = bus->busn_res.start;
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 		/*
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 		 * Scan bridges that are already configured. We don't touch