add boot partition size

hc

2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d

 kernel/drivers/pci/hotplug/pciehp_pci.c
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@@ -13,20 +13,28 @@
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  *
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  */
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-#include <linux/module.h>
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+#define dev_fmt(fmt) "pciehp: " fmt
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+
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 #include <linux/kernel.h>
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 #include <linux/types.h>
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 #include <linux/pci.h>
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 #include "../pci.h"
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 #include "pciehp.h"
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-int pciehp_configure_device(struct slot *p_slot)
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+/**
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+ * pciehp_configure_device() - enumerate PCI devices below a hotplug bridge
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+ * @ctrl: PCIe hotplug controller
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+ *
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+ * Enumerate PCI devices below a hotplug bridge and add them to the system.
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+ * Return 0 on success, %-EEXIST if the devices are already enumerated or
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+ * %-ENODEV if enumeration failed.
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+ */
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+int pciehp_configure_device(struct controller *ctrl)
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 {
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 	struct pci_dev *dev;
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-	struct pci_dev *bridge = p_slot->ctrl->pcie->port;
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+	struct pci_dev *bridge = ctrl->pcie->port;
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 	struct pci_bus *parent = bridge->subordinate;
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 	int num, ret = 0;
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-	struct controller *ctrl = p_slot->ctrl;
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 	pci_lock_rescan_remove();
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@@ -62,17 +70,28 @@
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 	return ret;
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 }
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-void pciehp_unconfigure_device(struct slot *p_slot)
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+/**
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+ * pciehp_unconfigure_device() - remove PCI devices below a hotplug bridge
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+ * @ctrl: PCIe hotplug controller
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+ * @presence: whether the card is still present in the slot;
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+ *	true for safe removal via sysfs or an Attention Button press,
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+ *	false for surprise removal
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+ *
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+ * Unbind PCI devices below a hotplug bridge from their drivers and remove
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+ * them from the system.  Safely removed devices are quiesced.  Surprise
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+ * removed devices are marked as such to prevent further accesses.
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+ */
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+void pciehp_unconfigure_device(struct controller *ctrl, bool presence)
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 {
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-	u8 presence = 0;
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 	struct pci_dev *dev, *temp;
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-	struct pci_bus *parent = p_slot->ctrl->pcie->port->subordinate;
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+	struct pci_bus *parent = ctrl->pcie->port->subordinate;
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 	u16 command;
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-	struct controller *ctrl = p_slot->ctrl;
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 	ctrl_dbg(ctrl, "%s: domain:bus:dev = %04x:%02x:00\n",
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 		 __func__, pci_domain_nr(parent), parent->number);
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-	pciehp_get_adapter_status(p_slot, &presence);
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+
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+	if (!presence)
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+		pci_walk_bus(parent, pci_dev_set_disconnected, NULL);
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 	pci_lock_rescan_remove();
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@@ -85,12 +104,6 @@
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 	list_for_each_entry_safe_reverse(dev, temp, &parent->devices,
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 					 bus_list) {
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 		pci_dev_get(dev);
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-		if (!presence) {
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-			pci_dev_set_disconnected(dev, NULL);
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-			if (pci_has_subordinate(dev))
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-				pci_walk_bus(dev->subordinate,
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-					     pci_dev_set_disconnected, NULL);
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-		}
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 		pci_stop_and_remove_bus_device(dev);
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 		/*
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 		 * Ensure that no new Requests will be generated from