Re: [PATCH] PCI: Move PCI Express ASPM function prototypes and definitions to pci.h

From: Bjorn Helgaas
Date: Wed Aug 28 2019 - 09:31:16 EST

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In reply to: Krzysztof Wilczynski: "[PATCH] PCI: Move PCI Express ASPM function prototypes and definitions to pci.h"
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On Tue, Aug 27, 2019 at 11:56:20AM +0200, Krzysztof Wilczynski wrote:
> Merge PCI Express ASPM function prototypes and definitions
> from include/linux/pci-aspm.h into include/linux/pci.h.
>
> Function prototypes to move are pci_disable_link_state(),
> pci_disable_link_state_locked(), pcie_no_aspm() and
> pcie_aspm_support_enabled(), and definitions to move
> are PCIE_LINK_STATE_L0S, PCIE_LINK_STATE_L1 and
> PCIE_LINK_STATE_CLKPM.
>
> There are no functional changes.
>
> Signed-off-by: Krzysztof Wilczynski <kw@xxxxxxxxx>

I replaced the leading spaces in the copyright lines with tabs to
match the others and applied to pci/aspm for v5.4, thanks!

> ---
> drivers/acpi/pci_root.c | 1 -
> drivers/char/xillybus/xillybus_pcie.c | 1 -
> drivers/net/ethernet/intel/e1000e/e1000.h | 1 -
> drivers/net/ethernet/jme.c | 1 -
> drivers/net/ethernet/realtek/r8169_main.c | 1 -
> drivers/net/wireless/ath/ath5k/pci.c | 1 -
> .../net/wireless/intel/iwlegacy/3945-mac.c | 1 -
> .../net/wireless/intel/iwlegacy/4965-mac.c | 1 -
> .../net/wireless/intel/iwlwifi/pcie/trans.c | 1 -
> drivers/pci/pci-acpi.c | 1 -
> drivers/pci/pcie/aspm.c | 1 -
> drivers/pci/quirks.c | 1 -
> drivers/scsi/aacraid/linit.c | 1 -
> drivers/scsi/hpsa.c | 1 -
> drivers/scsi/mpt3sas/mpt3sas_scsih.c | 1 -
> include/linux/pci-aspm.h | 36 -------------------
> include/linux/pci.h | 18 ++++++++++
> 17 files changed, 18 insertions(+), 51 deletions(-)
> delete mode 100644 include/linux/pci-aspm.h
>
> diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
> index 314a187ed572..d1e666ef3fcc 100644
> --- a/drivers/acpi/pci_root.c
> +++ b/drivers/acpi/pci_root.c
> @@ -15,7 +15,6 @@
> #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>
> diff --git a/drivers/char/xillybus/xillybus_pcie.c b/drivers/char/xillybus/xillybus_pcie.c
> index 02c15952b103..18b0c392bc93 100644
> --- a/drivers/char/xillybus/xillybus_pcie.c
> +++ b/drivers/char/xillybus/xillybus_pcie.c
> @@ -9,7 +9,6 @@
>
> #include <linux/module.h>
> #include <linux/pci.h>
> -#include <linux/pci-aspm.h>
> #include <linux/slab.h>
> #include "xillybus.h"
>
> diff --git a/drivers/net/ethernet/intel/e1000e/e1000.h b/drivers/net/ethernet/intel/e1000e/e1000.h
> index 34cd67951aec..6c51b1bad8c4 100644
> --- a/drivers/net/ethernet/intel/e1000e/e1000.h
> +++ b/drivers/net/ethernet/intel/e1000e/e1000.h
> @@ -13,7 +13,6 @@
> #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>
> diff --git a/drivers/net/ethernet/jme.c b/drivers/net/ethernet/jme.c
> index 0b668357db4d..57e8aea98969 100644
> --- a/drivers/net/ethernet/jme.c
> +++ b/drivers/net/ethernet/jme.c
> @@ -14,7 +14,6 @@
> #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>
> diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c
> index e1dd6ea60d67..a8f373e49505 100644
> --- a/drivers/net/ethernet/realtek/r8169_main.c
> +++ b/drivers/net/ethernet/realtek/r8169_main.c
> @@ -28,7 +28,6 @@
> #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>
>
> diff --git a/drivers/net/wireless/ath/ath5k/pci.c b/drivers/net/wireless/ath/ath5k/pci.c
> index c6156cc38940..d5ee32ce9eb3 100644
> --- a/drivers/net/wireless/ath/ath5k/pci.c
> +++ b/drivers/net/wireless/ath/ath5k/pci.c
> @@ -18,7 +18,6 @@
>
> #include <linux/nl80211.h>
> #include <linux/pci.h>
> -#include <linux/pci-aspm.h>
> #include <linux/etherdevice.h>
> #include <linux/module.h>
> #include "../ath.h"
> diff --git a/drivers/net/wireless/intel/iwlegacy/3945-mac.c b/drivers/net/wireless/intel/iwlegacy/3945-mac.c
> index b82da75a9ae3..4fbcc7fba3cc 100644
> --- a/drivers/net/wireless/intel/iwlegacy/3945-mac.c
> +++ b/drivers/net/wireless/intel/iwlegacy/3945-mac.c
> @@ -18,7 +18,6 @@
> #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>
> diff --git a/drivers/net/wireless/intel/iwlegacy/4965-mac.c b/drivers/net/wireless/intel/iwlegacy/4965-mac.c
> index fa2c02881939..ffb705b18fb1 100644
> --- a/drivers/net/wireless/intel/iwlegacy/4965-mac.c
> +++ b/drivers/net/wireless/intel/iwlegacy/4965-mac.c
> @@ -18,7 +18,6 @@
> #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>
> diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
> index f5df5b370d78..4c308e33ee21 100644
> --- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
> +++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
> @@ -62,7 +62,6 @@
> *
> *****************************************************************************/
> #include <linux/pci.h>
> -#include <linux/pci-aspm.h>
> #include <linux/interrupt.h>
> #include <linux/debugfs.h>
> #include <linux/sched.h>
> diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
> index 45049f558860..dd520fe927db 100644
> --- a/drivers/pci/pci-acpi.c
> +++ b/drivers/pci/pci-acpi.c
> @@ -14,7 +14,6 @@
> #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>
> diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c
> index e44af7f4d37f..ad6259ec51a6 100644
> --- a/drivers/pci/pcie/aspm.c
> +++ b/drivers/pci/pcie/aspm.c
> @@ -18,7 +18,6 @@
> #include <linux/slab.h>
> #include <linux/jiffies.h>
> #include <linux/delay.h>
> -#include <linux/pci-aspm.h>
> #include "../pci.h"
>
> #ifdef MODULE_PARAM_PREFIX
> diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
> index 208aacf39329..9ac1a7564c9e 100644
> --- a/drivers/pci/quirks.c
> +++ b/drivers/pci/quirks.c
> @@ -20,7 +20,6 @@
> #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>
> diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
> index 644f7f5c61a2..4a858789e6c5 100644
> --- a/drivers/scsi/aacraid/linit.c
> +++ b/drivers/scsi/aacraid/linit.c
> @@ -27,7 +27,6 @@
> #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>
> diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
> index 1bb6aada93fa..ac39ed79ccaa 100644
> --- a/drivers/scsi/hpsa.c
> +++ b/drivers/scsi/hpsa.c
> @@ -21,7 +21,6 @@
> #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>
> diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
> index 717ba0845a2a..27fdbc165446 100644
> --- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c
> +++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
> @@ -51,7 +51,6 @@
> #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>
> diff --git a/include/linux/pci-aspm.h b/include/linux/pci-aspm.h
> deleted file mode 100644
> index 67064145d76e..000000000000
> --- a/include/linux/pci-aspm.h
> +++ /dev/null
> @@ -1,36 +0,0 @@
> -/* SPDX-License-Identifier: GPL-2.0 */
> -/*
> - * aspm.h
> - *
> - * PCI Express ASPM defines and function prototypes
> - *
> - * Copyright (C) 2007 Intel Corp.
> - * Zhang Yanmin (yanmin.zhang@xxxxxxxxx)
> - * Shaohua Li (shaohua.li@xxxxxxxxx)
> - *
> - * 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 */
> diff --git a/include/linux/pci.h b/include/linux/pci.h
> index 9e700d9f9f28..f07f52175606 100644
> --- a/include/linux/pci.h
> +++ b/include/linux/pci.h
> @@ -6,12 +6,18 @@
> * Copyright 1994, Drew Eckhardt
> * Copyright 1997--1999 Martin Mares <mj@xxxxxx>
> *
> + * PCI Express ASPM defines and function prototypes
> + * Copyright (c) 2007 Intel Corp.
> + * Zhang Yanmin (yanmin.zhang@xxxxxxxxx)
> + * Shaohua Li (shaohua.li@xxxxxxxxx)
> + *
> * 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
> @@ -1565,9 +1571,21 @@ extern bool pcie_ports_native;
> #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
>
> --
> 2.22.1
>

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In reply to: Krzysztof Wilczynski: "[PATCH] PCI: Move PCI Express ASPM function prototypes and definitions to pci.h"
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