From: Josh Cartwright <joshc@codeaurora.org>
To: Stephen Boyd <sboyd@codeaurora.org>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>,
linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v3 2/9] Input: pmic8xxx-keypad - Migrate to devm_* APIs
Date: Wed, 26 Feb 2014 18:09:19 -0600 [thread overview]
Message-ID: <20140227000919.GE18563@joshc.qualcomm.com> (raw)
In-Reply-To: <1393441562-685-3-git-send-email-sboyd@codeaurora.org>
On Wed, Feb 26, 2014 at 11:05:55AM -0800, Stephen Boyd wrote:
> Simplify the error paths and reduce the lines of code in this
> driver by using the devm_* APIs.
>
> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
> ---
> drivers/input/keyboard/pmic8xxx-keypad.c | 62 +++++++++-----------------------
> 1 file changed, 17 insertions(+), 45 deletions(-)
>
> diff --git a/drivers/input/keyboard/pmic8xxx-keypad.c b/drivers/input/keyboard/pmic8xxx-keypad.c
> index 2c9f19ac35ea..4e6bfbf94ae4 100644
> --- a/drivers/input/keyboard/pmic8xxx-keypad.c
> +++ b/drivers/input/keyboard/pmic8xxx-keypad.c
[..]
> @@ -634,7 +629,7 @@ static int pmic8xxx_kp_probe(struct platform_device *pdev)
> kp->keycodes, kp->input);
> if (rc) {
> dev_err(&pdev->dev, "failed to build keymap\n");
> - goto err_get_irq;
> + return rc;
> }
>
> if (pdata->rep)
> @@ -650,7 +645,7 @@ static int pmic8xxx_kp_probe(struct platform_device *pdev)
> rc = pmic8xxx_kpd_init(kp);
> if (rc < 0) {
> dev_err(&pdev->dev, "unable to initialize keypad controller\n");
> - goto err_get_irq;
> + return rc;
> }
>
> rc = pmic8xxx_kp_config_gpio(pdata->cols_gpio_start,
> @@ -667,24 +662,26 @@ static int pmic8xxx_kp_probe(struct platform_device *pdev)
> goto err_gpio_config;
See below.
> }
>
> - rc = request_any_context_irq(kp->key_sense_irq, pmic8xxx_kp_irq,
> - IRQF_TRIGGER_RISING, "pmic-keypad", kp);
> + rc = devm_request_any_context_irq(&pdev->dev, kp->key_sense_irq,
> + pmic8xxx_kp_irq, IRQF_TRIGGER_RISING, "pmic-keypad",
> + kp);
> if (rc < 0) {
> dev_err(&pdev->dev, "failed to request keypad sense irq\n");
> - goto err_get_irq;
> + return rc;
> }
>
> - rc = request_any_context_irq(kp->key_stuck_irq, pmic8xxx_kp_stuck_irq,
> - IRQF_TRIGGER_RISING, "pmic-keypad-stuck", kp);
> + rc = devm_request_any_context_irq(&pdev->dev, kp->key_stuck_irq,
> + pmic8xxx_kp_stuck_irq, IRQF_TRIGGER_RISING,
> + "pmic-keypad-stuck", kp);
> if (rc < 0) {
> dev_err(&pdev->dev, "failed to request keypad stuck irq\n");
> - goto err_req_stuck_irq;
> + return rc;
> }
>
> rc = pmic8xxx_kp_read_u8(kp, &ctrl_val, KEYP_CTRL);
> if (rc < 0) {
> dev_err(&pdev->dev, "failed to read KEYP_CTRL register\n");
> - goto err_pmic_reg_read;
> + return rc;
> }
>
> kp->ctrl_reg = ctrl_val;
> @@ -692,36 +689,12 @@ static int pmic8xxx_kp_probe(struct platform_device *pdev)
> rc = input_register_device(kp->input);
> if (rc < 0) {
> dev_err(&pdev->dev, "unable to register keypad input device\n");
> - goto err_pmic_reg_read;
> + return rc;
> }
>
> device_init_wakeup(&pdev->dev, pdata->wakeup);
>
> return 0;
> -
> -err_pmic_reg_read:
> - free_irq(kp->key_stuck_irq, kp);
> -err_req_stuck_irq:
> - free_irq(kp->key_sense_irq, kp);
> -err_gpio_config:
You're removing this label, even though it's still used above. :(
--
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
hosted by The Linux Foundation
next prev parent reply other threads:[~2014-02-27 0:12 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-26 19:05 [PATCH v3 0/9] Use regmap+devm+DT in pm8xxx input drivers Stephen Boyd
2014-02-26 19:05 ` [PATCH v3 1/9] Input: pmic8xxx-pwrkey - Migrate to regmap APIs Stephen Boyd
2014-02-26 23:59 ` Josh Cartwright
2014-02-27 0:05 ` Stephen Boyd
2014-02-27 0:13 ` Josh Cartwright
2014-02-27 0:20 ` Stephen Boyd
2014-02-27 0:30 ` Josh Cartwright
2014-02-27 0:43 ` Stephen Boyd
2014-02-27 2:31 ` Josh Cartwright
2014-02-26 19:05 ` [PATCH v3 2/9] Input: pmic8xxx-keypad - Migrate to devm_* APIs Stephen Boyd
2014-02-27 0:09 ` Josh Cartwright [this message]
2014-02-27 0:20 ` Stephen Boyd
2014-02-26 19:05 ` [PATCH v3 3/9] Input: pmic8xxx-keypad - Migrate to regmap APIs Stephen Boyd
2014-02-26 19:05 ` [PATCH v3 4/9] Input: pmic8xxx-pwrkey - Migrate to DT Stephen Boyd
2014-02-26 19:05 ` [PATCH v3 5/9] Input: pm8xxx-vibrator - Add DT match table Stephen Boyd
2014-02-26 19:05 ` [PATCH v3 6/9] Input: pmic8xxx-keypad - Migrate to DT Stephen Boyd
2014-02-26 19:06 ` [PATCH v3 7/9] devicetree: bindings: Document PM8921/8058 keypads Stephen Boyd
2014-02-26 19:06 ` [PATCH v3 8/9] devicetree: bindings: Document PM8921/8058 power keys Stephen Boyd
2014-02-26 19:06 ` [PATCH v3 9/9] devicetree: bindings: Document PM8921/8058 vibrators Stephen Boyd
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