RE: [PATCH/RFT v3] OMAP4: fix temporary hacks that break multi-omap PM

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Kevin,
> -----Original Message-----
> From: linux-omap-owner@xxxxxxxxxxxxxxx [mailto:linux-omap-owner@xxxxxxxxxxxxxxx] On Behalf Of Kevin
> Hilman
> Sent: Tuesday, March 09, 2010 12:23 AM
> To: linux-omap@xxxxxxxxxxxxxxx
> Subject: [PATCH/RFT v3] OMAP4: fix temporary hacks that break multi-omap PM
> 
> When building for multi-omap, and OMAP4 is enabled, CONFIG_ARCH_OMAP4
> will be true and prevent included code from building/running for
> OMAP2/3 as well.
> 
> This problem exists in io.c where some hwmod/PM/SDRC init code is
> prevented from running even on OMAP2/3 when OMAP4 is included in a
> multi-OMAP build.
> 
> A quick glance suggests that this #ifndef is no longer needed.  The
> called functions should work fine or fail gracefully in the OMAP4
> case.
> 
> Signed-off-by: Kevin Hilman <khilman@xxxxxxxxxxxxxxxxxxx>
> ---
> 
> Needs testing on OMAP4 since still no OMAP4 hardware here.
> 
Did you build test this ?
This patch breaks builds on latest linux-omap master and mainline.

omap_4430sdp_defconfig
arch/arm/mach-omap2/built-in.o: In function `omap2_init_common_hw':
/work/linux-omap-2.6/arch/arm/mach-omap2/io.c:334: undefined reference to `omap_hwmod_late_init'
/work/linux-omap-2.6/arch/arm/mach-omap2/io.c:336: undefined reference to `omap2_sdrc_init'
make: *** [.tmp_vmlinux1] Error 1

omap3_defconfig
arch/arm/mach-omap2/built-in.o: In function `omap2_init_common_hw':
/work/linux-omap-2.6/arch/arm/mach-omap2/io.c:315: undefined reference to `omap2430_hwmod_init'
make: *** [.tmp_vmlinux1] Error 1


> Updates from v2:
> - actually applies to l-o master
> 
> Updates from v1:
> - removed additional #ifdef block in init_common_hw()
> 
>  arch/arm/mach-omap2/io.c |    5 +----
>  1 files changed, 1 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
> index 402e8f0..595446f 100644
> --- a/arch/arm/mach-omap2/io.c
> +++ b/arch/arm/mach-omap2/io.c
> @@ -309,7 +309,6 @@ void __init omap2_init_common_hw(struct omap_sdrc_params *sdrc_cs0,
>  {
>  	pwrdm_init(powerdomains_omap);
>  	clkdm_init(clockdomains_omap, clkdm_autodeps);
> -#ifndef CONFIG_ARCH_OMAP4 /* FIXME: Remove this once the clkdev is ready */
>  	if (cpu_is_omap242x())
>  		omap2420_hwmod_init();
>  	else if (cpu_is_omap243x())
> @@ -319,7 +318,6 @@ void __init omap2_init_common_hw(struct omap_sdrc_params *sdrc_cs0,
>  	omap2_mux_init();
>  	/* The OPP tables have to be registered before a clk init */
>  	omap_pm_if_early_init(mpu_opps, dsp_opps, l3_opps);
> -#endif
> 
>  	if (cpu_is_omap2420())
>  		omap2420_clk_init();
> @@ -333,11 +331,10 @@ void __init omap2_init_common_hw(struct omap_sdrc_params *sdrc_cs0,
>  		pr_err("Could not init clock framework - unknown CPU\n");
> 
>  	omap_serial_early_init();
> -#ifndef CONFIG_ARCH_OMAP4
>  	omap_hwmod_late_init();
>  	omap_pm_if_init();
>  	omap2_sdrc_init(sdrc_cs0, sdrc_cs1);
>  	_omap2_init_reprogram_sdrc();
> -#endif
> +
>  	gpmc_init();
>  }
> --
> 1.7.0.2
> 
> --
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