[add more CC]
On Wed, Dec 19, 2012 at 10:11:02AM +0800, Fengguang Wu wrote:
> Hi Linus, Wolfram,
>
> FYI, kernel build failed on
>
> tree: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux master
> head: 752451f01c4567b506bf4343082682dbb8fb30dd
> commit: 752451f01c4567b506bf4343082682dbb8fb30dd Merge branch
> 'i2c-embedded/for-next' of git://git.pengutronix.de/git/wsa/linux
> date: 56 minutes ago
> config: make ARCH=arm omap2plus_defconfig
>
> All error/warnings:
>
> arch/arm/mach-omap2/i2c.c: In function
> 'omap_pm_set_max_mpu_wakeup_lat_compat':
> arch/arm/mach-omap2/i2c.c:130:2: error: implicit declaration of function
> 'omap_pm_set_max_mpu_wakeup_lat' [-Werror=implicit-function-declaration]
> cc1: some warnings being treated as errors
>
> The root cause is, i2c.c (which is always compiled in
> arch/arm/mach-omap2/Makefile)
> uses omap_pm_set_max_mpu_wakeup_lat() which is defined in omap-pm-noop.c
> (which
> is compiled only on CONFIG_OMAP_PM_NOOP).
>
>
> vim +/omap_pm_set_max_mpu_wakeup_lat +130 arch/arm/mach-omap2/i2c.c
>
> 752451f0 Linus Torvalds 2012-12-18 124 * XXX This function is a temporary
> compatibility wrapper - only
> 752451f0 Linus Torvalds 2012-12-18 125 * needed until the I2C driver can
> be converted to call
> 752451f0 Linus Torvalds 2012-12-18 126 * omap_pm_set_max_dev_wakeup_lat()
> and handle a return code.
> 752451f0 Linus Torvalds 2012-12-18 127 */
> 752451f0 Linus Torvalds 2012-12-18 128 static void
> omap_pm_set_max_mpu_wakeup_lat_compat(struct device *dev, long t)
> 752451f0 Linus Torvalds 2012-12-18 129 {
> 752451f0 Linus Torvalds 2012-12-18 @130
> omap_pm_set_max_mpu_wakeup_lat(dev, t);
> 752451f0 Linus Torvalds 2012-12-18 131 }
> 752451f0 Linus Torvalds 2012-12-18 132
> 3a8761c0 Tony Lindgren 2012-10-08 133 static const char name[] =
> "omap_i2c";
>
> ---
> 0-DAY kernel build testing backend Open Source Technology Center
> Fengguang Wu, Yuanhan Liu Intel Corporation
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