linux-kernel - [RFC/PATCH 0/3] pm: Make SET_*_PM

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Date:	Thu, 12 Dec 2013 21:18:22 -0800
From:	David Cohen <david.a.cohen@...ux.intel.com>
To:	pavel@....cz, rjw@...ysocki.net, len.brown@...el.com,
	sarah.a.sharp@...ux.intel.com, gregkh@...uxfoundation.org
Cc:	linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-usb@...r.kernel.org, santosh.shilimkar@...com,
	David Cohen <david.a.cohen@...ux.intel.com>
Subject: [RFC/PATCH 0/3] pm: Make SET_*_PM_OPS() macros more smart

Hi,

These patches are proposal to extend the lack of #ifdef checks on PM callback
to its implementation too.

Currently SET_*_PM_OPS() macros make #ifdefs checks not necessary when setting
the callback to PM ops, but the callbacks implementation don't see same
benefit.

This RFC Solves a problem reported by Santosh on xhci-plat.c driver due to
wrong #ifdef checks:

drivers/usb/host/xhci-plat.c:201:12: warning: ‘xhci_plat_suspend’ defined but not used [-Wunused-function]
drivers/usb/host/xhci-plat.c:209:12: warning: ‘xhci_plat_resume’ defined but not used [-Wunused-function]

But instead of fixing the #ifdefs, we remove the need for it :)

Br, David Cohen

---
David Cohen (2):
  pm: make PM macros more smart
  usb/xhci: implement proper static inline stubs when !CONFIG_PM

Santosh Shilimkar (1):
  usb/xhci-plat: remove unnecessary #ifdef checks for CONFIG_PM_SLEEP

 drivers/usb/host/xhci-plat.c |  7 +------
 drivers/usb/host/xhci.h      |  6 ++++--
 include/linux/pm.h           | 11 +++++++++--
 3 files changed, 14 insertions(+), 10 deletions(-)

-- 
1.8.4.2

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