RE: [PATCH]Omap3630: Add hsmmc related checks

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Madhu/Tony

>-----Original Message-----
>From: linux-omap-owner@xxxxxxxxxxxxxxx [mailto:linux-omap-owner@xxxxxxxxxxxxxxx] On Behalf Of
>Chikkature Rajashekar, Madhusudhan
>> From: Tony Lindgren [mailto:tony@xxxxxxxxxxx]
>> Sent: Thursday, October 22, 2009 12:44 PM
>> To: Madhusudhan Chikkature
>> Cc: linux-omap@xxxxxxxxxxxxxxx
>> Subject: Re: [PATCH]Omap3630: Add hsmmc related checks
>>
>> * Madhusudhan Chikkature <madhu.cr@xxxxxx> [091022 10:38]:
>> > From 661b13474a7af62c54f7df7a33a818c5e782cc59 Mon Sep 17 00:00:00 2001
>> > From: Madhu <madhu.cr@xxxxxx>
>> > Date: Wed, 21 Oct 2009 16:16:31 -0400
>> > Subject: [PATCH] Omap3630: Add HSMMC related checks.
>> >
>> > Add omap3630 conditional checks to devices.c to allow HSMMC3 addition
>> and
>> > mux configuration for HSMMC1/2.
>> >
>> > Signed-off-by: Madhusudhan Chikkature <madhu.cr@xxxxxx>
>> > ---
>> >  arch/arm/mach-omap2/devices.c |    5 +++--
>> >  1 files changed, 3 insertions(+), 2 deletions(-)
>> >
>> > diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-
>> omap2/devices.c
>> > index 7d4513b..1fdfc7f 100644
>> > --- a/arch/arm/mach-omap2/devices.c
>> > +++ b/arch/arm/mach-omap2/devices.c
>> > @@ -575,7 +575,7 @@ static inline void omap2_mmc_mux(struct
>> > omap_mmc_platform_data *mmc_controller,
>> >  		}
>> >  	}
>> >
>> > -	if (cpu_is_omap3430()) {
>> > +	if (cpu_is_omap3430() || cpu_is_omap3630()) {

Not needed.
For 34xx:
	cpu_is_omap3430() returns True
	cpu_is_omap3630() returns False

For 3630:
	cpu_is_omap3430() returns True
	cpu_is_omap3630() returns True

So no need to add an orring for 3630, as 3630 is treated just like a 34xx.



>> >  		if (controller_nr == 0) {
>> >  			omap_cfg_reg(N28_3430_MMC1_CLK);
>> >  			omap_cfg_reg(M27_3430_MMC1_CMD);
>>
>> How about using cpu_is_omap34xx() here instead? It's more future proof.
>>
>> Regards,
>>
>> Tony
>>
>Yes. That makes sense. I will submit V2.
>
>Regards,
>Madhu
>
>> > @@ -642,7 +642,8 @@ void __init omap2_init_mmc(struct
>> omap_mmc_platform_data
>> > **mmc_data,
>> >  			irq = INT_24XX_MMC2_IRQ;
>> >  			break;
>> >  		case 2:
>> > -			if (!cpu_is_omap44xx() && !cpu_is_omap34xx())
>> > +			if (!cpu_is_omap44xx() && !cpu_is_omap34xx()
>> > +				&& !cpu_is_omap3630())
>> >  				return;
>> >  			base = OMAP3_MMC3_BASE;
>> >  			irq = INT_34XX_MMC3_IRQ;
>> > --
>> > 1.6.0.4
>> >
>> >
>> >
>
>
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