PCI: Move ASPM declarations to linux/pci.h

Move ASPM definitions and function prototypes from include/linux/pci-aspm.h
to include/linux/pci.h so users only need to include <linux/pci.h>:

PCIE_LINK_STATE_L0S
PCIE_LINK_STATE_L1
PCIE_LINK_STATE_CLKPM
pci_disable_link_state()
pci_disable_link_state_locked()
pcie_no_aspm()

No functional changes intended.

Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Krzysztof Wilczynski <[e-mail]>
Signed-off-by: Bjorn Helgaas <[e-mail]>

drivers/acpi/pci_root.c

···
 #include <linux/pm_runtime.h>
 #include <linux/pci.h>
 #include <linux/pci-acpi.h>
-#include <linux/pci-aspm.h>
 #include <linux/dmar.h>
 #include <linux/acpi.h>
 #include <linux/slab.h>

drivers/char/xillybus/xillybus_pcie.c

···
 
 #include <linux/module.h>
 #include <linux/pci.h>
-#include <linux/pci-aspm.h>
 #include <linux/slab.h>
 #include "xillybus.h"
 

drivers/net/ethernet/intel/e1000e/e1000.h

···
 #include <linux/io.h>
 #include <linux/netdevice.h>
 #include <linux/pci.h>
-#include <linux/pci-aspm.h>
 #include <linux/crc32.h>
 #include <linux/if_vlan.h>
 #include <linux/timecounter.h>

drivers/net/ethernet/jme.c

···
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/pci.h>
-#include <linux/pci-aspm.h>
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>
 #include <linux/ethtool.h>

drivers/net/ethernet/realtek/r8169_main.c

···
 #include <linux/dma-mapping.h>
 #include <linux/pm_runtime.h>
 #include <linux/prefetch.h>
-#include <linux/pci-aspm.h>
 #include <linux/ipv6.h>
 #include <net/ip6_checksum.h>
 

drivers/net/wireless/ath/ath5k/pci.c

···
 
 #include <linux/nl80211.h>
 #include <linux/pci.h>
-#include <linux/pci-aspm.h>
 #include <linux/etherdevice.h>
 #include <linux/module.h>
 #include "../ath.h"

drivers/net/wireless/intel/iwlegacy/3945-mac.c

···
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/pci.h>
-#include <linux/pci-aspm.h>
 #include <linux/slab.h>
 #include <linux/dma-mapping.h>
 #include <linux/delay.h>

drivers/net/wireless/intel/iwlegacy/4965-mac.c

···
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/pci.h>
-#include <linux/pci-aspm.h>
 #include <linux/slab.h>
 #include <linux/dma-mapping.h>
 #include <linux/delay.h>

drivers/net/wireless/intel/iwlwifi/pcie/trans.c

···
  *
  *****************************************************************************/
 #include <linux/pci.h>
-#include <linux/pci-aspm.h>
 #include <linux/interrupt.h>
 #include <linux/debugfs.h>
 #include <linux/sched.h>

drivers/pci/pci-acpi.c

···
 #include <linux/msi.h>
 #include <linux/pci_hotplug.h>
 #include <linux/module.h>
-#include <linux/pci-aspm.h>
 #include <linux/pci-acpi.h>
 #include <linux/pm_runtime.h>
 #include <linux/pm_qos.h>

drivers/pci/pcie/aspm.c

···
 #include <linux/slab.h>
 #include <linux/jiffies.h>
 #include <linux/delay.h>
-#include <linux/pci-aspm.h>
 #include "../pci.h"
 
 #ifdef MODULE_PARAM_PREFIX

drivers/pci/quirks.c

···
 #include <linux/delay.h>
 #include <linux/acpi.h>
 #include <linux/dmi.h>
-#include <linux/pci-aspm.h>
 #include <linux/ioport.h>
 #include <linux/sched.h>
 #include <linux/ktime.h>

drivers/scsi/aacraid/linit.c

···
 #include <linux/moduleparam.h>
 #include <linux/pci.h>
 #include <linux/aer.h>
-#include <linux/pci-aspm.h>
 #include <linux/slab.h>
 #include <linux/mutex.h>
 #include <linux/spinlock.h>

drivers/scsi/hpsa.c

···
 #include <linux/interrupt.h>
 #include <linux/types.h>
 #include <linux/pci.h>
-#include <linux/pci-aspm.h>
 #include <linux/kernel.h>
 #include <linux/slab.h>
 #include <linux/delay.h>

drivers/scsi/mpt3sas/mpt3sas_scsih.c

···
 #include <linux/workqueue.h>
 #include <linux/delay.h>
 #include <linux/pci.h>
-#include <linux/pci-aspm.h>
 #include <linux/interrupt.h>
 #include <linux/aer.h>
 #include <linux/raid_class.h>

include/linux/pci-aspm.h

···
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- *	aspm.h
- *
- *	PCI Express ASPM defines and function prototypes
- *
- *	Copyright (C) 2007 Intel Corp.
- *		Zhang Yanmin ([e-mail])
- *		Shaohua Li ([e-mail])
- *
- *	For more information, please consult the following manuals (look at
- *	http://www.pcisig.com/ for how to get them):
- *
- *	PCI Express Specification
- */
-
-#ifndef LINUX_ASPM_H
-#define LINUX_ASPM_H
-
-#include <linux/pci.h>
-
-#define PCIE_LINK_STATE_L0S	1
-#define PCIE_LINK_STATE_L1	2
-#define PCIE_LINK_STATE_CLKPM	4
-
-#ifdef CONFIG_PCIEASPM
-int pci_disable_link_state(struct pci_dev *pdev, int state);
-int pci_disable_link_state_locked(struct pci_dev *pdev, int state);
-void pcie_no_aspm(void);
-#else
-static inline int pci_disable_link_state(struct pci_dev *pdev, int state)
-{ return 0; }
-static inline void pcie_no_aspm(void) { }
-#endif
-
-#endif /* LINUX_ASPM_H */

include/linux/pci.h

···
  *	Copyright 1994, Drew Eckhardt
  *	Copyright 1997--1999 Martin Mares <[e-mail]>
  *
+ *	PCI Express ASPM defines and function prototypes
+ *	Copyright (c) 2007 Intel Corp.
+ *		Zhang Yanmin ([e-mail])
+ *		Shaohua Li ([e-mail])
+ *
  *	For more information, please consult the following manuals (look at
  *	http://www.pcisig.com/ for how to get them):
  *
  *	PCI BIOS Specification
  *	PCI Local Bus Specification
  *	PCI to PCI Bridge Specification
+ *	PCI Express Specification
  *	PCI System Design Guide
  */
 #ifndef LINUX_PCI_H
···
 #define pcie_ports_native	false
 #endif
 
+#define PCIE_LINK_STATE_L0S	1
+#define PCIE_LINK_STATE_L1	2
+#define PCIE_LINK_STATE_CLKPM	4
+
 #ifdef CONFIG_PCIEASPM
+int pci_disable_link_state(struct pci_dev *pdev, int state);
+int pci_disable_link_state_locked(struct pci_dev *pdev, int state);
+void pcie_no_aspm(void);
 bool pcie_aspm_support_enabled(void);
 #else
+static inline int pci_disable_link_state(struct pci_dev *pdev, int state)
+{ return 0; }
+static inline int pci_disable_link_state_locked(struct pci_dev *pdev, int state)
+{ return 0; }
+static inline void pcie_no_aspm(void) { }
 static inline bool pcie_aspm_support_enabled(void) { return false; }
 #endif