| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Date: Wed, 4 Nov 2009 17:30:16 +0100
From: Samuel Ortiz <sameo@...ux.intel.com>
To: Mark Brown <broonie@...nsource.wolfsonmicro.com>
Cc: linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] mfd: Convert wm8350 IRQ handlers to irq_handler_t
Hi Mark,
On Wed, Nov 04, 2009 at 04:10:51PM +0000, Mark Brown wrote:
> This is done as simple code transformation, the semantics of the
> IRQ API provided by the core are are still very different to those
> of genirq (mainly with regard to masking).
Both patches applied, thanks.
Cheers,
Samuel.
> Signed-off-by: Mark Brown <broonie@...nsource.wolfsonmicro.com>
> ---
> drivers/mfd/wm8350-irq.c | 6 ++--
> drivers/power/wm8350_power.c | 39 +++++++++++++++++++++------------
> drivers/regulator/wm8350-regulator.c | 7 ++++-
> drivers/rtc/rtc-wm8350.c | 18 ++++++++++-----
> include/linux/mfd/wm8350/core.h | 8 +++---
> sound/soc/codecs/wm8350.c | 15 ++++++++----
> 6 files changed, 59 insertions(+), 34 deletions(-)
>
> diff --git a/drivers/mfd/wm8350-irq.c b/drivers/mfd/wm8350-irq.c
> index d9abfc9..2ea2b8b 100644
> --- a/drivers/mfd/wm8350-irq.c
> +++ b/drivers/mfd/wm8350-irq.c
> @@ -371,7 +371,7 @@ static void wm8350_irq_call_handler(struct wm8350 *wm8350, int irq)
> mutex_lock(&wm8350->irq_mutex);
>
> if (wm8350->irq[irq].handler)
> - wm8350->irq[irq].handler(wm8350, irq, wm8350->irq[irq].data);
> + wm8350->irq[irq].handler(irq, wm8350->irq[irq].data);
> else {
> dev_err(wm8350->dev, "irq %d nobody cared. now masked.\n",
> irq);
> @@ -431,8 +431,8 @@ static irqreturn_t wm8350_irq(int irq, void *irq_data)
> }
>
> int wm8350_register_irq(struct wm8350 *wm8350, int irq,
> - void (*handler) (struct wm8350 *, int, void *),
> - void *data)
> + irq_handler_t handler, unsigned long flags,
> + const char *name, void *data)
> {
> if (irq < 0 || irq > WM8350_NUM_IRQ || !handler)
> return -EINVAL;
> diff --git a/drivers/power/wm8350_power.c b/drivers/power/wm8350_power.c
> index 28b0299..6e634cf 100644
> --- a/drivers/power/wm8350_power.c
> +++ b/drivers/power/wm8350_power.c
> @@ -184,8 +184,9 @@ static ssize_t charger_state_show(struct device *dev,
>
> static DEVICE_ATTR(charger_state, 0444, charger_state_show, NULL);
>
> -static void wm8350_charger_handler(struct wm8350 *wm8350, int irq, void *data)
> +static irqreturn_t wm8350_charger_handler(int irq, void *data)
> {
> + struct wm8350 *wm8350 = data;
> struct wm8350_power *power = &wm8350->power;
> struct wm8350_charger_policy *policy = power->policy;
>
> @@ -238,6 +239,8 @@ static void wm8350_charger_handler(struct wm8350 *wm8350, int irq, void *data)
> default:
> dev_err(wm8350->dev, "Unknown interrupt %d\n", irq);
> }
> +
> + return IRQ_HANDLED;
> }
>
> /*********************************************************************
> @@ -387,45 +390,53 @@ static void wm8350_init_charger(struct wm8350 *wm8350)
> {
> /* register our interest in charger events */
> wm8350_register_irq(wm8350, WM8350_IRQ_CHG_BAT_HOT,
> - wm8350_charger_handler, NULL);
> + wm8350_charger_handler, 0, "Battery hot", wm8350);
> wm8350_unmask_irq(wm8350, WM8350_IRQ_CHG_BAT_HOT);
> wm8350_register_irq(wm8350, WM8350_IRQ_CHG_BAT_COLD,
> - wm8350_charger_handler, NULL);
> + wm8350_charger_handler, 0, "Battery cold", wm8350);
> wm8350_unmask_irq(wm8350, WM8350_IRQ_CHG_BAT_COLD);
> wm8350_register_irq(wm8350, WM8350_IRQ_CHG_BAT_FAIL,
> - wm8350_charger_handler, NULL);
> + wm8350_charger_handler, 0, "Battery fail", wm8350);
> wm8350_unmask_irq(wm8350, WM8350_IRQ_CHG_BAT_FAIL);
> wm8350_register_irq(wm8350, WM8350_IRQ_CHG_TO,
> - wm8350_charger_handler, NULL);
> + wm8350_charger_handler, 0,
> + "Charger timeout", wm8350);
> wm8350_unmask_irq(wm8350, WM8350_IRQ_CHG_TO);
> wm8350_register_irq(wm8350, WM8350_IRQ_CHG_END,
> - wm8350_charger_handler, NULL);
> + wm8350_charger_handler, 0,
> + "Charge end", wm8350);
> wm8350_unmask_irq(wm8350, WM8350_IRQ_CHG_END);
> wm8350_register_irq(wm8350, WM8350_IRQ_CHG_START,
> - wm8350_charger_handler, NULL);
> + wm8350_charger_handler, 0,
> + "Charge start", wm8350);
> wm8350_unmask_irq(wm8350, WM8350_IRQ_CHG_START);
> wm8350_register_irq(wm8350, WM8350_IRQ_CHG_FAST_RDY,
> - wm8350_charger_handler, NULL);
> + wm8350_charger_handler, 0,
> + "Fast charge ready", wm8350);
> wm8350_unmask_irq(wm8350, WM8350_IRQ_CHG_FAST_RDY);
> wm8350_register_irq(wm8350, WM8350_IRQ_CHG_VBATT_LT_3P9,
> - wm8350_charger_handler, NULL);
> + wm8350_charger_handler, 0,
> + "Battery <3.9V", wm8350);
> wm8350_unmask_irq(wm8350, WM8350_IRQ_CHG_VBATT_LT_3P9);
> wm8350_register_irq(wm8350, WM8350_IRQ_CHG_VBATT_LT_3P1,
> - wm8350_charger_handler, NULL);
> + wm8350_charger_handler, 0,
> + "Battery <3.1V", wm8350);
> wm8350_unmask_irq(wm8350, WM8350_IRQ_CHG_VBATT_LT_3P1);
> wm8350_register_irq(wm8350, WM8350_IRQ_CHG_VBATT_LT_2P85,
> - wm8350_charger_handler, NULL);
> + wm8350_charger_handler, 0,
> + "Battery <2.85V", wm8350);
> +
> wm8350_unmask_irq(wm8350, WM8350_IRQ_CHG_VBATT_LT_2P85);
>
> /* and supply change events */
> wm8350_register_irq(wm8350, WM8350_IRQ_EXT_USB_FB,
> - wm8350_charger_handler, NULL);
> + wm8350_charger_handler, 0, "USB", wm8350);
> wm8350_unmask_irq(wm8350, WM8350_IRQ_EXT_USB_FB);
> wm8350_register_irq(wm8350, WM8350_IRQ_EXT_WALL_FB,
> - wm8350_charger_handler, NULL);
> + wm8350_charger_handler, 0, "Wall", wm8350);
> wm8350_unmask_irq(wm8350, WM8350_IRQ_EXT_WALL_FB);
> wm8350_register_irq(wm8350, WM8350_IRQ_EXT_BAT_FB,
> - wm8350_charger_handler, NULL);
> + wm8350_charger_handler, 0, "Battery", wm8350);
> wm8350_unmask_irq(wm8350, WM8350_IRQ_EXT_BAT_FB);
> }
>
> diff --git a/drivers/regulator/wm8350-regulator.c b/drivers/regulator/wm8350-regulator.c
> index 768bd0e..8c289fd 100644
> --- a/drivers/regulator/wm8350-regulator.c
> +++ b/drivers/regulator/wm8350-regulator.c
> @@ -1330,9 +1330,10 @@ static struct regulator_desc wm8350_reg[NUM_WM8350_REGULATORS] = {
> },
> };
>
> -static void pmic_uv_handler(struct wm8350 *wm8350, int irq, void *data)
> +static irqreturn_t pmic_uv_handler(int irq, void *data)
> {
> struct regulator_dev *rdev = (struct regulator_dev *)data;
> + struct wm8350 *wm8350 = rdev_get_drvdata(rdev);
>
> mutex_lock(&rdev->mutex);
> if (irq == WM8350_IRQ_CS1 || irq == WM8350_IRQ_CS2)
> @@ -1344,6 +1345,8 @@ static void pmic_uv_handler(struct wm8350 *wm8350, int irq, void *data)
> REGULATOR_EVENT_UNDER_VOLTAGE,
> wm8350);
> mutex_unlock(&rdev->mutex);
> +
> + return IRQ_HANDLED;
> }
>
> static int wm8350_regulator_probe(struct platform_device *pdev)
> @@ -1388,7 +1391,7 @@ static int wm8350_regulator_probe(struct platform_device *pdev)
>
> /* register regulator IRQ */
> ret = wm8350_register_irq(wm8350, wm8350_reg[pdev->id].irq,
> - pmic_uv_handler, rdev);
> + pmic_uv_handler, 0, "UV", rdev);
> if (ret < 0) {
> regulator_unregister(rdev);
> dev_err(&pdev->dev, "failed to register regulator %s IRQ\n",
> diff --git a/drivers/rtc/rtc-wm8350.c b/drivers/rtc/rtc-wm8350.c
> index c91edc5..56e56e5 100644
> --- a/drivers/rtc/rtc-wm8350.c
> +++ b/drivers/rtc/rtc-wm8350.c
> @@ -315,9 +315,9 @@ static int wm8350_rtc_update_irq_enable(struct device *dev,
> return 0;
> }
>
> -static void wm8350_rtc_alarm_handler(struct wm8350 *wm8350, int irq,
> - void *data)
> +static irqreturn_t wm8350_rtc_alarm_handler(int irq, void *data)
> {
> + struct wm8350 *wm8350 = data;
> struct rtc_device *rtc = wm8350->rtc.rtc;
> int ret;
>
> @@ -330,14 +330,18 @@ static void wm8350_rtc_alarm_handler(struct wm8350 *wm8350, int irq,
> dev_err(&(wm8350->rtc.pdev->dev),
> "Failed to disable alarm: %d\n", ret);
> }
> +
> + return IRQ_HANDLED;
> }
>
> -static void wm8350_rtc_update_handler(struct wm8350 *wm8350, int irq,
> - void *data)
> +static irqreturn_t wm8350_rtc_update_handler(int irq, void *data)
> {
> + struct wm8350 *wm8350 = data;
> struct rtc_device *rtc = wm8350->rtc.rtc;
>
> rtc_update_irq(rtc, 1, RTC_IRQF | RTC_UF);
> +
> + return IRQ_HANDLED;
> }
>
> static const struct rtc_class_ops wm8350_rtc_ops = {
> @@ -459,10 +463,12 @@ static int wm8350_rtc_probe(struct platform_device *pdev)
> wm8350_mask_irq(wm8350, WM8350_IRQ_RTC_PER);
>
> wm8350_register_irq(wm8350, WM8350_IRQ_RTC_SEC,
> - wm8350_rtc_update_handler, NULL);
> + wm8350_rtc_update_handler, 0,
> + "RTC Seconds", wm8350);
>
> wm8350_register_irq(wm8350, WM8350_IRQ_RTC_ALM,
> - wm8350_rtc_alarm_handler, NULL);
> + wm8350_rtc_alarm_handler, 0,
> + "RTC Alarm", wm8350);
> wm8350_unmask_irq(wm8350, WM8350_IRQ_RTC_ALM);
>
> return 0;
> diff --git a/include/linux/mfd/wm8350/core.h b/include/linux/mfd/wm8350/core.h
> index ffce508..4386889 100644
> --- a/include/linux/mfd/wm8350/core.h
> +++ b/include/linux/mfd/wm8350/core.h
> @@ -15,7 +15,7 @@
>
> #include <linux/kernel.h>
> #include <linux/mutex.h>
> -#include <linux/workqueue.h>
> +#include <linux/interrupt.h>
>
> #include <linux/mfd/wm8350/audio.h>
> #include <linux/mfd/wm8350/gpio.h>
> @@ -601,7 +601,7 @@ extern const u16 wm8352_mode3_defaults[];
> struct wm8350;
>
> struct wm8350_irq {
> - void (*handler) (struct wm8350 *, int, void *);
> + irq_handler_t handler;
> void *data;
> };
>
> @@ -678,8 +678,8 @@ int wm8350_block_write(struct wm8350 *wm8350, int reg, int size, u16 *src);
> * WM8350 internal interrupts
> */
> int wm8350_register_irq(struct wm8350 *wm8350, int irq,
> - void (*handler) (struct wm8350 *, int, void *),
> - void *data);
> + irq_handler_t handler, unsigned long flags,
> + const char *name, void *data);
> int wm8350_free_irq(struct wm8350 *wm8350, int irq);
> int wm8350_mask_irq(struct wm8350 *wm8350, int irq);
> int wm8350_unmask_irq(struct wm8350 *wm8350, int irq);
> diff --git a/sound/soc/codecs/wm8350.c b/sound/soc/codecs/wm8350.c
> index 593d5b9..2803913 100644
> --- a/sound/soc/codecs/wm8350.c
> +++ b/sound/soc/codecs/wm8350.c
> @@ -1340,9 +1340,10 @@ static int wm8350_resume(struct platform_device *pdev)
> return 0;
> }
>
> -static void wm8350_hp_jack_handler(struct wm8350 *wm8350, int irq, void *data)
> +static irqreturn_t wm8350_hp_jack_handler(int irq, void *data)
> {
> struct wm8350_data *priv = data;
> + struct wm8350 *wm8350 = priv->codec.control_data;
> u16 reg;
> int report;
> int mask;
> @@ -1365,7 +1366,7 @@ static void wm8350_hp_jack_handler(struct wm8350 *wm8350, int irq, void *data)
>
> if (!jack->jack) {
> dev_warn(wm8350->dev, "Jack interrupt called with no jack\n");
> - return;
> + return IRQ_NONE;
> }
>
> /* Debounce */
> @@ -1378,6 +1379,8 @@ static void wm8350_hp_jack_handler(struct wm8350 *wm8350, int irq, void *data)
> report = 0;
>
> snd_soc_jack_report(jack->jack, report, jack->report);
> +
> + return IRQ_HANDLED;
> }
>
> /**
> @@ -1421,7 +1424,7 @@ int wm8350_hp_jack_detect(struct snd_soc_codec *codec, enum wm8350_jack which,
> wm8350_set_bits(wm8350, WM8350_JACK_DETECT, ena);
>
> /* Sync status */
> - wm8350_hp_jack_handler(wm8350, irq, priv);
> + wm8350_hp_jack_handler(irq, priv);
>
> wm8350_unmask_irq(wm8350, irq);
>
> @@ -1485,9 +1488,11 @@ static int wm8350_probe(struct platform_device *pdev)
> wm8350_mask_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_L);
> wm8350_mask_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_R);
> wm8350_register_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_L,
> - wm8350_hp_jack_handler, priv);
> + wm8350_hp_jack_handler, 0, "Left jack detect",
> + priv);
> wm8350_register_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_R,
> - wm8350_hp_jack_handler, priv);
> + wm8350_hp_jack_handler, 0, "Right jack detect",
> + priv);
>
> ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
> if (ret < 0) {
> --
> 1.6.5.2
>
--
Intel Open Source Technology Centre
http://oss.intel.com/
--
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