[PATCH v3 08/15] mfd: menelaus: Pass menelaus_chip pointer to add/remove irq functions

Felipe Balbi
2013-12-09T16:21:18Z

Those functions are static and can receive a menelaus_chip pointer very
easily.

Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Felipe Balbi <balbi@ti.com>
---
drivers/mfd/menelaus.c | 57 ++++++++++++++++++++++++++------------------------
1 file changed, 30 insertions(+), 27 deletions(-)

diff --git a/drivers/mfd/menelaus.c b/drivers/mfd/menelaus.c
index 8796e5e..8672d86 100644
--- a/drivers/mfd/menelaus.c
+++ b/drivers/mfd/menelaus.c
@@ -236,28 +236,28 @@ static int menelaus_ack_irq(struct menelaus_chip *m, int irq)
}

/* Adds a handler for an interrupt. Does not run in interrupt context */
-static int menelaus_add_irq_work(int irq,
+static int menelaus_add_irq_work(struct menelaus_chip *m, int irq,
void (*handler)(struct menelaus_chip *))
{
int ret = 0;

- mutex_lock(&the_menelaus->lock);
- the_menelaus->handlers[irq] = handler;
- ret = menelaus_enable_irq(the_menelaus, irq);
- mutex_unlock(&the_menelaus->lock);
+ mutex_lock(&m->lock);
+ m->handlers[irq] = handler;
+ ret = menelaus_enable_irq(m, irq);
+ mutex_unlock(&m->lock);

return ret;
}

/* Removes handler for an interrupt */
-static int menelaus_remove_irq_work(int irq)
+static int menelaus_remove_irq_work(struct menelaus_chip *m, int irq)
{
int ret = 0;

- mutex_lock(&the_menelaus->lock);
- ret = menelaus_disable_irq(the_menelaus, irq);
- the_menelaus->handlers[irq] = NULL;
- mutex_unlock(&the_menelaus->lock);
+ mutex_lock(&m->lock);
+ ret = menelaus_disable_irq(m, irq);
+ m->handlers[irq] = NULL;
+ mutex_unlock(&m->lock);

return ret;
}
@@ -412,23 +412,24 @@ EXPORT_SYMBOL(menelaus_set_mmc_slot);
int menelaus_register_mmc_callback(void (*callback)(void *data, u8 card_mask),
void *data)
{
+ struct menelaus_chip *m = the_menelaus;
int ret = 0;

- the_menelaus->mmc_callback_data = data;
- the_menelaus->mmc_callback = callback;
- ret = menelaus_add_irq_work(MENELAUS_MMC_S1CD_IRQ,
+ m->mmc_callback_data = data;
+ m->mmc_callback = callback;
+ ret = menelaus_add_irq_work(m, MENELAUS_MMC_S1CD_IRQ,
menelaus_mmc_cd_work);
if (ret < 0)
return ret;
- ret = menelaus_add_irq_work(MENELAUS_MMC_S2CD_IRQ,
+ ret = menelaus_add_irq_work(m, MENELAUS_MMC_S2CD_IRQ,
menelaus_mmc_cd_work);
if (ret < 0)
return ret;
- ret = menelaus_add_irq_work(MENELAUS_MMC_S1D1_IRQ,
+ ret = menelaus_add_irq_work(m, MENELAUS_MMC_S1D1_IRQ,
menelaus_mmc_cd_work);
if (ret < 0)
return ret;
- ret = menelaus_add_irq_work(MENELAUS_MMC_S2D1_IRQ,
+ ret = menelaus_add_irq_work(m, MENELAUS_MMC_S2D1_IRQ,
menelaus_mmc_cd_work);

return ret;
@@ -437,13 +438,15 @@ EXPORT_SYMBOL(menelaus_register_mmc_callback);

void menelaus_unregister_mmc_callback(void)
{
- menelaus_remove_irq_work(MENELAUS_MMC_S1CD_IRQ);
- menelaus_remove_irq_work(MENELAUS_MMC_S2CD_IRQ);
- menelaus_remove_irq_work(MENELAUS_MMC_S1D1_IRQ);
- menelaus_remove_irq_work(MENELAUS_MMC_S2D1_IRQ);
+ struct menelaus_chip *m = the_menelaus;
+
+ menelaus_remove_irq_work(m, MENELAUS_MMC_S1CD_IRQ);
+ menelaus_remove_irq_work(m, MENELAUS_MMC_S2CD_IRQ);
+ menelaus_remove_irq_work(m, MENELAUS_MMC_S1D1_IRQ);
+ menelaus_remove_irq_work(m, MENELAUS_MMC_S2D1_IRQ);

- the_menelaus->mmc_callback = NULL;
- the_menelaus->mmc_callback_data = NULL;
+ m->mmc_callback = NULL;
+ m->mmc_callback_data = NULL;
}
EXPORT_SYMBOL(menelaus_unregister_mmc_callback);

@@ -1070,8 +1073,8 @@ static int menelaus_ioctl(struct device *dev, unsigned cmd, unsigned long arg)
case RTC_UIE_ON:
if (m->uie)
return 0;
- status = menelaus_remove_irq_work(MENELAUS_RTCTMR_IRQ);
- status = menelaus_add_irq_work(MENELAUS_RTCTMR_IRQ,
+ status = menelaus_remove_irq_work(m, MENELAUS_RTCTMR_IRQ);
+ status = menelaus_add_irq_work(m, MENELAUS_RTCTMR_IRQ,
menelaus_rtc_update_work);
if (status == 0)
m->uie = 1;
@@ -1079,7 +1082,7 @@ static int menelaus_ioctl(struct device *dev, unsigned cmd, unsigned long arg)
case RTC_UIE_OFF:
if (!m->uie)
return 0;
- status = menelaus_remove_irq_work(MENELAUS_RTCTMR_IRQ);
+ status = menelaus_remove_irq_work(m, MENELAUS_RTCTMR_IRQ);
if (status == 0)
m->uie = 0;
return status;
@@ -1127,7 +1130,7 @@ static inline void menelaus_rtc_init(struct menelaus_chip *m)

/* support RTC alarm; it can issue wakeups */
if (alarm) {
- if (menelaus_add_irq_work(MENELAUS_RTCALM_IRQ,
+ if (menelaus_add_irq_work(m, MENELAUS_RTCALM_IRQ,
menelaus_rtc_alarm_work) < 0) {
dev_err(&m->client->dev, "can't handle RTC alarm\n");
return;
@@ -1154,7 +1157,7 @@ static inline void menelaus_rtc_init(struct menelaus_chip *m)
&menelaus_rtc_ops, THIS_MODULE);
if (IS_ERR(m->rtc)) {
if (alarm) {
- menelaus_remove_irq_work(MENELAUS_RTCALM_IRQ);
+ menelaus_remove_irq_work(m, MENELAUS_RTCALM_IRQ);
device_init_wakeup(&m->client->dev, 0);
}
dev_err(&m->client->dev, "can't register RTC: %d\n",
--
1.8.4.GIT