[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Message-ID: <CAK5ve-J_TmHwhTNPYjCztjZp9j+079=fGEgaYNvz3zC8wGzB1A@mail.gmail.com>
Date: Thu, 3 Jan 2013 10:37:59 -0800
From: Bryan Wu <cooloney@...il.com>
To: "Kim, Milo" <Milo.Kim@...com>
Cc: Richard Purdie <rpurdie@...ys.net>,
"linux-leds@...r.kernel.org" <linux-leds@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] leds-lp8788: fix a parent device in _probe()
On Wed, Jan 2, 2013 at 10:28 PM, Kim, Milo <Milo.Kim@...com> wrote:
> The lp8788-keyled is a platform driver of lp8788-mfd.
> The platform device is allocated when mfd_add_devices() is called
> in lp8788-mfd.
> On the other hand, 'lp->dev' is the i2c client device.
>
> Therefore, this 'platform_device' is a proper parent device in case of
> resource managed mem alloc, registering led device and device kernel messages.
>
Reasonable, I merged into my for-next branch.
Thanks,
-Bryan
> Signed-off-by: Milo(Woogyom) Kim <milo.kim@...com>
> ---
> drivers/leds/leds-lp8788.c | 9 +++++----
> 1 file changed, 5 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/leds/leds-lp8788.c b/drivers/leds/leds-lp8788.c
> index 4353942..7c2cb38 100644
> --- a/drivers/leds/leds-lp8788.c
> +++ b/drivers/leds/leds-lp8788.c
> @@ -130,9 +130,10 @@ static int lp8788_led_probe(struct platform_device *pdev)
> struct lp8788 *lp = dev_get_drvdata(pdev->dev.parent);
> struct lp8788_led_platform_data *led_pdata;
> struct lp8788_led *led;
> + struct device *dev = &pdev->dev;
> int ret;
>
> - led = devm_kzalloc(lp->dev, sizeof(struct lp8788_led), GFP_KERNEL);
> + led = devm_kzalloc(dev, sizeof(struct lp8788_led), GFP_KERNEL);
> if (!led)
> return -ENOMEM;
>
> @@ -154,13 +155,13 @@ static int lp8788_led_probe(struct platform_device *pdev)
>
> ret = lp8788_led_init_device(led, led_pdata);
> if (ret) {
> - dev_err(lp->dev, "led init device err: %d\n", ret);
> + dev_err(dev, "led init device err: %d\n", ret);
> return ret;
> }
>
> - ret = led_classdev_register(lp->dev, &led->led_dev);
> + ret = led_classdev_register(dev, &led->led_dev);
> if (ret) {
> - dev_err(lp->dev, "led register err: %d\n", ret);
> + dev_err(dev, "led register err: %d\n", ret);
> return ret;
> }
>
> --
> 1.7.9.5
>
>
> Best Regards,
> Milo
>
>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists