add ax88772C AX88772C_eeprom_tools

hc

2024-05-10 61598093bbdd283a7edc367d900f223070ead8d2

 kernel/drivers/pci/search.c
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@@ -15,7 +15,6 @@
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 #include "pci.h"
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 DECLARE_RWSEM(pci_bus_sem);
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-EXPORT_SYMBOL_GPL(pci_bus_sem);
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 /*
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  * pci_for_each_dma_alias - Iterate over DMA aliases for a device
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@@ -33,7 +32,13 @@
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 	struct pci_bus *bus;
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 	int ret;
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-	ret = fn(pdev, PCI_DEVID(pdev->bus->number, pdev->devfn), data);
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+	/*
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+	 * The device may have an explicit alias requester ID for DMA where the
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+	 * requester is on another PCI bus.
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+	 */
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+	pdev = pci_real_dma_dev(pdev);
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+
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+	ret = fn(pdev, pci_dev_id(pdev), data);
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 	if (ret)
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 		return ret;
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@@ -42,9 +47,9 @@
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 	 * DMA, iterate over that too.
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 	 */
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 	if (unlikely(pdev->dma_alias_mask)) {
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-		u8 devfn;
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+		unsigned int devfn;
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-		for_each_set_bit(devfn, pdev->dma_alias_mask, U8_MAX) {
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+		for_each_set_bit(devfn, pdev->dma_alias_mask, MAX_NR_DEVFNS) {
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 			ret = fn(pdev, PCI_DEVID(pdev->bus->number, devfn),
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 				 data);
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 			if (ret)
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@@ -88,9 +93,7 @@
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 					return ret;
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 				continue;
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 			case PCI_EXP_TYPE_PCIE_BRIDGE:
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-				ret = fn(tmp,
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-					 PCI_DEVID(tmp->bus->number,
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-						   tmp->devfn), data);
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+				ret = fn(tmp, pci_dev_id(tmp), data);
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 				if (ret)
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 					return ret;
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 				continue;
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@@ -101,9 +104,7 @@
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 					 PCI_DEVID(tmp->subordinate->number,
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 						   PCI_DEVFN(0, 0)), data);
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 			else
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-				ret = fn(tmp,
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-					 PCI_DEVID(tmp->bus->number,
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-						   tmp->devfn), data);
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+				ret = fn(tmp, pci_dev_id(tmp), data);
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 			if (ret)
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 				return ret;
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 		}
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@@ -111,7 +112,6 @@
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 	return ret;
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 }
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-EXPORT_SYMBOL_GPL(pci_for_each_dma_alias);
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 static struct pci_bus *pci_do_find_bus(struct pci_bus *bus, unsigned char busnr)
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 {
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@@ -241,10 +241,10 @@
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 }
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 EXPORT_SYMBOL(pci_get_domain_bus_and_slot);
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-static int match_pci_dev_by_id(struct device *dev, void *data)
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+static int match_pci_dev_by_id(struct device *dev, const void *data)
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 {
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 	struct pci_dev *pdev = to_pci_dev(dev);
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-	struct pci_device_id *id = data;
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+	const struct pci_device_id *id = data;
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 	if (pci_match_one_device(id, pdev))
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 		return 1;