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From: nm@ti.com (Nishanth Menon)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v5 3/3] omap3: beaglexm: fix power on of DVI
Date: Tue, 11 Jan 2011 18:17:22 -0600	[thread overview]
Message-ID: <4D2CF312.70101@ti.com> (raw)
In-Reply-To: <20110112001509.GA4957@atomide.com>

Tony Lindgren had written, on 01/11/2011 06:15 PM, the following:
> * Nishanth Menon <nm@ti.com> [110111 15:54]:
>> Tony Lindgren had written, on 01/11/2011 05:23 PM, the following:
>> [..]
>>>> -
>>>> -	gpio_request(gpio + 1, "EHCI_nOC");
>>>> -	gpio_direction_input(gpio + 1);
>>>> +	if (omap3_beagle_get_rev() != OMAP3BEAGLE_BOARD_XM) {
>>>> +		gpio_request(gpio + 1, "EHCI_nOC");
>>>> +		gpio_direction_input(gpio + 1);
>>>> +	}
>>> The return value for gpio_request must be checked.
>> Ack.
>> we can go down two paths:
>> a) I can redo this patch as in v6.patch (attached)
> 
> Yes let's do that, one comment below though..
> 
>> OR
>> b) we take this patch and do another one cleaning the function up -
>> gpio-check.patch
> 
> That can be done later.
ok

>  
>> +	if (omap3_beagle_get_rev() == OMAP3BEAGLE_BOARD_XM) {
>> +		r = gpio_request(gpio + 1, "nDVI_PWR_EN");
>> +		if (!r) {
>> +			r = gpio_direction_output(gpio + 1, 0);
>> +			if (r)
>> +				gpio_free(gpio + 1);
>> +		}
>> +		if (r)
>> +			pr_err("%s: unable to configure nDVI_PWR_EN\n",
>> +				__func__);
>> +		r = gpio_request(gpio + 2, "DVI_LDO_EN");
>> +		if (!r) {
>> +			r = gpio_direction_output(gpio + 2, 1);
>> +			if (r)
>> +				gpio_free(gpio + 1);
>> +		}
>> +		if (r)
>> +			pr_err("%s: unable to configure DVI_LDO_EN\n",
>> +				__func__);
>> +	}
>> +
> 
> Should the second gpio_free be gpio + 2 instead of gpio + 1?
oops.. yep. will fix and send out a v6 for this alone. thanks for the check.

-- 
Regards,
Nishanth Menon

      reply	other threads:[~2011-01-12  0:17 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <[PATCH v4 0/3] OMAP3: beaglexm: GPIO fixes>
2011-01-11 17:13 ` [PATCH v5 0/3] OMAP3: beaglexm: GPIO fixes Nishanth Menon
2011-01-11 17:13 ` [PATCH v5 1/3] omap3: beaglexm: fix EHCI power up GPIO dir Nishanth Menon
2011-01-11 17:13 ` [PATCH v5 2/3] omap3: beaglexm: fix DVI reset GPIO Nishanth Menon
2011-01-11 17:13 ` [PATCH v5 3/3] omap3: beaglexm: fix power on of DVI Nishanth Menon
2011-01-11 23:23   ` Tony Lindgren
2011-01-11 23:55     ` Nishanth Menon
2011-01-12  0:15       ` Tony Lindgren
2011-01-12  0:17         ` Nishanth Menon [this message]

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