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From: Andi Shyti <andi.shyti@gmail.com>
To: NeilBrown <neilb@suse.de>
Cc: Samuel Ortiz <sameo@linux.intel.com>, Felipe Balbi <balbi@ti.com>,
	Anton Vorontsov <cbou@mail.ru>,
	David Woodhouse <dwmw2@infradead.org>,
	Grazvydas Ignotas <notasas@gmail.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org,
	Tero Kristo <t-kristo@ti.com>
Subject: Re: [PATCH 3/4] power_supply/MFD: twl4030_charger: Allow charger to control the regulator that feeds it.
Date: Sun, 13 May 2012 20:12:08 +0200	[thread overview]
Message-ID: <20120513181208.GA2641@andi> (raw)
In-Reply-To: <20120508214040.2844.5662.stgit@notabene.brown>

Hi Neil,

On Wed, May 09, 2012 at 07:40:40AM +1000, NeilBrown wrote:
> @@ -183,6 +186,12 @@ static int twl4030_charger_enable_usb(struct twl4030_bci *bci, bool enable)
>  			return -EACCES;
>  		}
>  
> +		/* Need to keep regulator on */
> +		if (!bci->usb_enabled) {
> +			regulator_enable(bci->usb_reg);

Should you consider here a failure case?

> +			bci->usb_enabled = 1;
> +		}
> +
>  		/* forcing the field BCIAUTOUSB (BOOT_BCI[1]) to 1 */
>  		ret = twl4030_clear_set_boot_bci(0, TWL4030_BCIAUTOUSB);
>  		if (ret < 0)
> @@ -511,6 +524,8 @@ static int __init twl4030_bci_probe(struct platform_device *pdev)
>  	bci->usb.num_properties = ARRAY_SIZE(twl4030_charger_props);
>  	bci->usb.get_property = twl4030_bci_get_property;
>  
> +	bci->usb_reg = regulator_get(bci->dev, "bci3v1");

... and here.

Andi

  parent reply	other threads:[~2012-05-13 18:12 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-05-08 21:40 [PATCH 0/4] twl4030_charger improvements NeilBrown
2012-05-08 21:40 ` [PATCH 1/4] power_supply: twl4030_charger: Fix some typos NeilBrown
2012-05-08 21:40 ` [PATCH 2/4] power_supply: twl4030_charger: add backup-battery charging NeilBrown
2012-05-08 21:40 ` [PATCH 4/4] usb: otg: twl4030-usb: Don't power down phy when it is in-use by charger NeilBrown
2012-05-13 18:14   ` Andi Shyti
2012-05-18  2:50     ` NeilBrown
2012-05-21 22:10       ` Andi Shyti
2012-05-08 21:40 ` [PATCH 3/4] power_supply/MFD: twl4030_charger: Allow charger to control the regulator that feeds it NeilBrown
2012-05-11  9:42   ` Samuel Ortiz
2012-05-13 18:12   ` Andi Shyti [this message]
2012-05-18  2:46     ` NeilBrown
2012-05-21 22:08       ` Andi Shyti
2012-05-11  9:45 ` [PATCH 0/4] twl4030_charger improvements Samuel Ortiz
2012-06-20  3:33 ` Anton Vorontsov

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