Subject: [PATCH 1/4] ARM: OMAP: dmtimer: check for fixed timers during config

From: [email-masked] (Suman Anna)
Date: Mon, 5 Oct 2015 11:42:54 -0500

Tony,

On 10/03/2015 12:29 PM, kbuild test robot wrote:
> Hi Suman,
> 
> [auto build test results on v4.3-rc3 -- if it's inappropriate base, please ignore]
> 
> config: arm-omap1_defconfig (attached as .config)
> reproduce:
>         wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # save the attached .config to linux build tree
>         make.cross ARCH=arm 
> 
> All error/warnings (new ones prefixed by >>):
> 
>    arch/arm/plat-omap/dmtimer.c: In function 'omap_dm_timer_set_source':
>>> arch/arm/plat-omap/dmtimer.c:509:2: error: implicit declaration of function 'clk_hw_get_num_parents' [-Werror=implicit-function-declaration]
>      if (!clk_hw_get_num_parents(__clk_get_hw(timer->fclk)))
>      ^
>>> arch/arm/plat-omap/dmtimer.c:509:2: error: implicit declaration of function '__clk_get_hw' [-Werror=implicit-function-declaration]
>    cc1: some warnings being treated as errors
> 
> vim +/clk_hw_get_num_parents +509 arch/arm/plat-omap/dmtimer.c
> 
>    503			return pdata->set_timer_src(timer->pdev, source);
>    504	
>    505		if (IS_ERR(timer->fclk))
>    506			return -EINVAL;
>    507	
>    508		/* Check if the clock has parents if not no point checking */
>  > 509		if (!clk_hw_get_num_parents(__clk_get_hw(timer->fclk)))
>    510			return 0;

CONFIG_COMMON_CLK is not defined for OMAP1. So, are you ok if I enclose
this within #ifdef CONFIG_COMMON_CLK?

regards
Suman