diff options
| author |   Alexander Shiyan <shc_work@mail.ru> | 2013-12-14 17:03:12 +0400 |
|---|---|---|
| committer |   Lee Jones <lee.jones@linaro.org> | 2014-01-21 08:28:10 +0000 |
| commit | db9ef449aaa550389008c2020fba02e4440ce24b (patch) | |
| tree | af101d60af6701be60d1d7659248f509b99fa222 /drivers/mfd/mc13xxx-core.c | |
| parent | mfd: mc13xxx: Remove useless symbol MFD_MC13783 (diff) | |
| download | linux-dev-db9ef449aaa550389008c2020fba02e4440ce24b.tar.xz linux-dev-db9ef449aaa550389008c2020fba02e4440ce24b.zip | |
mfd: mc13xxx: Simplify probe() & remove()
This patch simplifies probe() and remove() functions by moving
some initialisation code out from the I2C/SPI init() and exit()
functions and into the core driver.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'drivers/mfd/mc13xxx-core.c')
| -rw-r--r-- | drivers/mfd/mc13xxx-core.c | 36 |
1 files changed, 17 insertions, 19 deletions
diff --git a/drivers/mfd/mc13xxx-core.c b/drivers/mfd/mc13xxx-core.c index b0c7cb04af85..06e64b6fcb89 100644 --- a/drivers/mfd/mc13xxx-core.c +++ b/drivers/mfd/mc13xxx-core.c @@ -636,42 +636,36 @@ static inline int mc13xxx_probe_flags_dt(struct mc13xxx *mc13xxx) } #endif -int mc13xxx_common_init(struct mc13xxx *mc13xxx, - struct mc13xxx_platform_data *pdata, int irq) +int mc13xxx_common_init(struct device *dev) { + struct mc13xxx_platform_data *pdata = dev_get_platdata(dev); + struct mc13xxx *mc13xxx = dev_get_drvdata(dev); int ret; u32 revision; - mc13xxx_lock(mc13xxx); + mc13xxx->dev = dev; ret = mc13xxx_reg_read(mc13xxx, MC13XXX_REVISION, &revision); if (ret) - goto err_revision; + return ret; mc13xxx->variant->print_revision(mc13xxx, revision); /* mask all irqs */ ret = mc13xxx_reg_write(mc13xxx, MC13XXX_IRQMASK0, 0x00ffffff); if (ret) - goto err_mask; + return ret; ret = mc13xxx_reg_write(mc13xxx, MC13XXX_IRQMASK1, 0x00ffffff); if (ret) - goto err_mask; + return ret; - ret = request_threaded_irq(irq, NULL, mc13xxx_irq_thread, + ret = request_threaded_irq(mc13xxx->irq, NULL, mc13xxx_irq_thread, IRQF_ONESHOT | IRQF_TRIGGER_HIGH, "mc13xxx", mc13xxx); - - if (ret) { -err_mask: -err_revision: - mc13xxx_unlock(mc13xxx); + if (ret) return ret; - } - - mc13xxx->irq = irq; - mc13xxx_unlock(mc13xxx); + mutex_init(&mc13xxx->lock); if (mc13xxx_probe_flags_dt(mc13xxx) < 0 && pdata) mc13xxx->flags = pdata->flags; @@ -707,13 +701,17 @@ err_revision: } EXPORT_SYMBOL_GPL(mc13xxx_common_init); -void mc13xxx_common_cleanup(struct mc13xxx *mc13xxx) +int mc13xxx_common_exit(struct device *dev) { + struct mc13xxx *mc13xxx = dev_get_drvdata(dev); + free_irq(mc13xxx->irq, mc13xxx); + mfd_remove_devices(dev); + mutex_destroy(&mc13xxx->lock); - mfd_remove_devices(mc13xxx->dev); + return 0; } -EXPORT_SYMBOL_GPL(mc13xxx_common_cleanup); +EXPORT_SYMBOL_GPL(mc13xxx_common_exit); MODULE_DESCRIPTION("Core driver for Freescale MC13XXX PMIC"); MODULE_AUTHOR("Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>"); |