diff mbox series

i40e: mark PM functions as __maybe_unused

Message ID 20171010081847.4090496-1-arnd@arndb.de
State Accepted
Commit 254d152a216750f508442cc3e502130e5f539ab4
Headers show
Series i40e: mark PM functions as __maybe_unused | expand

Commit Message

Arnd Bergmann Oct. 10, 2017, 8:17 a.m. UTC
A cleanup of the PM code left an incorrect #ifdef in place, leading
to a harmless build warning:

drivers/net/ethernet/intel/i40e/i40e_main.c:12223:12: error: 'i40e_resume' defined but not used [-Werror=unused-function]
drivers/net/ethernet/intel/i40e/i40e_main.c:12185:12: error: 'i40e_suspend' defined but not used [-Werror=unused-function]

It's easier to use __maybe_unused attributes here, since you
can't pick the wrong one.

Fixes: 0e5d3da40055 ("i40e: use newer generic PM support instead of legacy PM callbacks")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

---
 drivers/net/ethernet/intel/i40e/i40e_main.c | 11 ++---------
 1 file changed, 2 insertions(+), 9 deletions(-)

-- 
2.9.0

Comments

Jacob Keller Oct. 10, 2017, 8:11 p.m. UTC | #1
> -----Original Message-----

> From: Arnd Bergmann [mailto:arnd@arndb.de]

> Sent: Tuesday, October 10, 2017 1:18 AM

> To: Kirsher, Jeffrey T <jeffrey.t.kirsher@intel.com>

> Cc: Arnd Bergmann <arnd@arndb.de>; Keller, Jacob E

> <jacob.e.keller@intel.com>; Williams, Mitch A <mitch.a.williams@intel.com>;

> Duyck, Alexander H <alexander.h.duyck@intel.com>; David S. Miller

> <davem@davemloft.net>; Brady, Alan <alan.brady@intel.com>; intel-wired-

> lan@lists.osuosl.org; netdev@vger.kernel.org; linux-kernel@vger.kernel.org

> Subject: [PATCH] i40e: mark PM functions as __maybe_unused

> 

> A cleanup of the PM code left an incorrect #ifdef in place, leading

> to a harmless build warning:

> 

> drivers/net/ethernet/intel/i40e/i40e_main.c:12223:12: error: 'i40e_resume'

> defined but not used [-Werror=unused-function]

> drivers/net/ethernet/intel/i40e/i40e_main.c:12185:12: error: 'i40e_suspend'

> defined but not used [-Werror=unused-function]

> 

> It's easier to use __maybe_unused attributes here, since you

> can't pick the wrong one.

> 


Sure.

Acked-by: Jacob Keller <jacob.e.keller@intel.com>


> Fixes: 0e5d3da40055 ("i40e: use newer generic PM support instead of legacy PM

> callbacks")

> Signed-off-by: Arnd Bergmann <arnd@arndb.de>

> ---

>  drivers/net/ethernet/intel/i40e/i40e_main.c | 11 ++---------

>  1 file changed, 2 insertions(+), 9 deletions(-)

> 

> diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c

> b/drivers/net/ethernet/intel/i40e/i40e_main.c

> index 60b11fdeca2d..eb091268bc3c 100644

> --- a/drivers/net/ethernet/intel/i40e/i40e_main.c

> +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c

> @@ -8370,7 +8370,6 @@ static int i40e_init_interrupt_scheme(struct i40e_pf

> *pf)

>  	return 0;

>  }

> 

> -#ifdef CONFIG_PM

>  /**

>   * i40e_restore_interrupt_scheme - Restore the interrupt scheme

>   * @pf: private board data structure

> @@ -8419,7 +8418,6 @@ static int i40e_restore_interrupt_scheme(struct i40e_pf

> *pf)

> 

>  	return err;

>  }

> -#endif /* CONFIG_PM */

> 

>  /**

>   * i40e_setup_misc_vector - Setup the misc vector to handle non queue events

> @@ -12177,12 +12175,11 @@ static void i40e_shutdown(struct pci_dev *pdev)

>  	}

>  }

> 

> -#ifdef CONFIG_PM

>  /**

>   * i40e_suspend - PM callback for moving to D3

>   * @dev: generic device information structure

>   **/

> -static int i40e_suspend(struct device *dev)

> +static int __maybe_unused i40e_suspend(struct device *dev)

>  {

>  	struct pci_dev *pdev = to_pci_dev(dev);

>  	struct i40e_pf *pf = pci_get_drvdata(pdev);

> @@ -12220,7 +12217,7 @@ static int i40e_suspend(struct device *dev)

>   * i40e_resume - PM callback for waking up from D3

>   * @dev: generic device information structure

>   **/

> -static int i40e_resume(struct device *dev)

> +static int __maybe_unused i40e_resume(struct device *dev)

>  {

>  	struct pci_dev *pdev = to_pci_dev(dev);

>  	struct i40e_pf *pf = pci_get_drvdata(pdev);

> @@ -12252,8 +12249,6 @@ static int i40e_resume(struct device *dev)

>  	return 0;

>  }

> 

> -#endif /* CONFIG_PM */

> -

>  static const struct pci_error_handlers i40e_err_handler = {

>  	.error_detected = i40e_pci_error_detected,

>  	.slot_reset = i40e_pci_error_slot_reset,

> @@ -12269,11 +12264,9 @@ static struct pci_driver i40e_driver = {

>  	.id_table = i40e_pci_tbl,

>  	.probe    = i40e_probe,

>  	.remove   = i40e_remove,

> -#ifdef CONFIG_PM

>  	.driver   = {

>  		.pm = &i40e_pm_ops,

>  	},

> -#endif /* CONFIG_PM */

>  	.shutdown = i40e_shutdown,

>  	.err_handler = &i40e_err_handler,

>  	.sriov_configure = i40e_pci_sriov_configure,

> --

> 2.9.0
diff mbox series

Patch

diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 60b11fdeca2d..eb091268bc3c 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -8370,7 +8370,6 @@  static int i40e_init_interrupt_scheme(struct i40e_pf *pf)
 	return 0;
 }
 
-#ifdef CONFIG_PM
 /**
  * i40e_restore_interrupt_scheme - Restore the interrupt scheme
  * @pf: private board data structure
@@ -8419,7 +8418,6 @@  static int i40e_restore_interrupt_scheme(struct i40e_pf *pf)
 
 	return err;
 }
-#endif /* CONFIG_PM */
 
 /**
  * i40e_setup_misc_vector - Setup the misc vector to handle non queue events
@@ -12177,12 +12175,11 @@  static void i40e_shutdown(struct pci_dev *pdev)
 	}
 }
 
-#ifdef CONFIG_PM
 /**
  * i40e_suspend - PM callback for moving to D3
  * @dev: generic device information structure
  **/
-static int i40e_suspend(struct device *dev)
+static int __maybe_unused i40e_suspend(struct device *dev)
 {
 	struct pci_dev *pdev = to_pci_dev(dev);
 	struct i40e_pf *pf = pci_get_drvdata(pdev);
@@ -12220,7 +12217,7 @@  static int i40e_suspend(struct device *dev)
  * i40e_resume - PM callback for waking up from D3
  * @dev: generic device information structure
  **/
-static int i40e_resume(struct device *dev)
+static int __maybe_unused i40e_resume(struct device *dev)
 {
 	struct pci_dev *pdev = to_pci_dev(dev);
 	struct i40e_pf *pf = pci_get_drvdata(pdev);
@@ -12252,8 +12249,6 @@  static int i40e_resume(struct device *dev)
 	return 0;
 }
 
-#endif /* CONFIG_PM */
-
 static const struct pci_error_handlers i40e_err_handler = {
 	.error_detected = i40e_pci_error_detected,
 	.slot_reset = i40e_pci_error_slot_reset,
@@ -12269,11 +12264,9 @@  static struct pci_driver i40e_driver = {
 	.id_table = i40e_pci_tbl,
 	.probe    = i40e_probe,
 	.remove   = i40e_remove,
-#ifdef CONFIG_PM
 	.driver   = {
 		.pm = &i40e_pm_ops,
 	},
-#endif /* CONFIG_PM */
 	.shutdown = i40e_shutdown,
 	.err_handler = &i40e_err_handler,
 	.sriov_configure = i40e_pci_sriov_configure,