From johnpol@2ka.mipt.ru Thu Aug 11 07:05:10 2005 Subject: w1: Added inline functions on top of container_of(). Date: Thu, 11 Aug 2005 17:27:49 +0400 Message-Id: <112376686932@2ka.mipt.ru> From: Evgeniy Polyakov To: GregKH Signed-off-by: Evgeniy Polyakov Signed-off-by: Greg Kroah-Hartman --- drivers/w1/w1.c | 22 ++++++++++------------ drivers/w1/w1.h | 15 +++++++++++++++ drivers/w1/w1_smem.c | 6 ++---- drivers/w1/w1_therm.c | 6 ++---- 4 files changed, 29 insertions(+), 20 deletions(-) --- gregkh-2.6.orig/drivers/w1/w1.c 2005-08-12 14:13:04.000000000 -0700 +++ gregkh-2.6/drivers/w1/w1.c 2005-08-12 14:13:06.000000000 -0700 @@ -89,15 +89,13 @@ static void w1_master_release(struct device *dev) { - struct w1_master *md = container_of(dev, struct w1_master, dev); - + struct w1_master *md = dev_to_w1_master(dev); complete(&md->dev_released); } static void w1_slave_release(struct device *dev) { - struct w1_slave *sl = container_of(dev, struct w1_slave, dev); - + struct w1_slave *sl = dev_to_w1_slave(dev); complete(&sl->dev_released); } @@ -162,7 +160,7 @@ static ssize_t w1_master_attribute_show_name(struct device *dev, struct device_attribute *attr, char *buf) { - struct w1_master *md = container_of(dev, struct w1_master, dev); + struct w1_master *md = dev_to_w1_master(dev); ssize_t count; if (down_interruptible (&md->mutex)) @@ -179,7 +177,7 @@ struct device_attribute *attr, const char * buf, size_t count) { - struct w1_master *md = container_of(dev, struct w1_master, dev); + struct w1_master *md = dev_to_w1_master(dev); if (down_interruptible (&md->mutex)) return -EBUSY; @@ -195,7 +193,7 @@ struct device_attribute *attr, char *buf) { - struct w1_master *md = container_of(dev, struct w1_master, dev); + struct w1_master *md = dev_to_w1_master(dev); ssize_t count; if (down_interruptible (&md->mutex)) @@ -210,7 +208,7 @@ static ssize_t w1_master_attribute_show_pointer(struct device *dev, struct device_attribute *attr, char *buf) { - struct w1_master *md = container_of(dev, struct w1_master, dev); + struct w1_master *md = dev_to_w1_master(dev); ssize_t count; if (down_interruptible(&md->mutex)) @@ -231,7 +229,7 @@ static ssize_t w1_master_attribute_show_max_slave_count(struct device *dev, struct device_attribute *attr, char *buf) { - struct w1_master *md = container_of(dev, struct w1_master, dev); + struct w1_master *md = dev_to_w1_master(dev); ssize_t count; if (down_interruptible(&md->mutex)) @@ -245,7 +243,7 @@ static ssize_t w1_master_attribute_show_attempts(struct device *dev, struct device_attribute *attr, char *buf) { - struct w1_master *md = container_of(dev, struct w1_master, dev); + struct w1_master *md = dev_to_w1_master(dev); ssize_t count; if (down_interruptible(&md->mutex)) @@ -259,7 +257,7 @@ static ssize_t w1_master_attribute_show_slave_count(struct device *dev, struct device_attribute *attr, char *buf) { - struct w1_master *md = container_of(dev, struct w1_master, dev); + struct w1_master *md = dev_to_w1_master(dev); ssize_t count; if (down_interruptible(&md->mutex)) @@ -273,7 +271,7 @@ static ssize_t w1_master_attribute_show_slaves(struct device *dev, struct device_attribute *attr, char *buf) { - struct w1_master *md = container_of(dev, struct w1_master, dev); + struct w1_master *md = dev_to_w1_master(dev); int c = PAGE_SIZE; if (down_interruptible(&md->mutex)) --- gregkh-2.6.orig/drivers/w1/w1.h 2005-08-02 13:41:30.000000000 -0700 +++ gregkh-2.6/drivers/w1/w1.h 2005-08-12 14:13:06.000000000 -0700 @@ -191,6 +191,21 @@ int w1_create_master_attributes(struct w1_master *); void w1_search(struct w1_master *dev, w1_slave_found_callback cb); +static inline struct w1_slave* dev_to_w1_slave(struct device *dev) +{ + return container_of(dev, struct w1_slave, dev); +} + +static inline struct w1_slave* kobj_to_w1_slave(struct kobject *kobj) +{ + return dev_to_w1_slave(container_of(kobj, struct device, kobj)); +} + +static inline struct w1_master* dev_to_w1_master(struct device *dev) +{ + return container_of(dev, struct w1_master, dev); +} + #endif /* __KERNEL__ */ #endif /* __W1_H */ --- gregkh-2.6.orig/drivers/w1/w1_smem.c 2005-08-02 13:41:30.000000000 -0700 +++ gregkh-2.6/drivers/w1/w1_smem.c 2005-08-12 14:13:06.000000000 -0700 @@ -46,15 +46,13 @@ static ssize_t w1_smem_read_name(struct device *dev, struct device_attribute *attr, char *buf) { - struct w1_slave *sl = container_of(dev, struct w1_slave, dev); - + struct w1_slave *sl = dev_to_w1_slave(dev); return sprintf(buf, "%s\n", sl->name); } static ssize_t w1_smem_read_bin(struct kobject *kobj, char *buf, loff_t off, size_t count) { - struct w1_slave *sl = container_of(container_of(kobj, struct device, kobj), - struct w1_slave, dev); + struct w1_slave *sl = kobj_to_w1_slave(kobj); int i; atomic_inc(&sl->refcnt); --- gregkh-2.6.orig/drivers/w1/w1_therm.c 2005-08-02 13:41:30.000000000 -0700 +++ gregkh-2.6/drivers/w1/w1_therm.c 2005-08-12 14:13:06.000000000 -0700 @@ -92,8 +92,7 @@ static ssize_t w1_therm_read_name(struct device *dev, struct device_attribute *attr, char *buf) { - struct w1_slave *sl = container_of(dev, struct w1_slave, dev); - + struct w1_slave *sl = dev_to_w1_slave(dev); return sprintf(buf, "%s\n", sl->name); } @@ -148,8 +147,7 @@ static ssize_t w1_therm_read_bin(struct kobject *kobj, char *buf, loff_t off, size_t count) { - struct w1_slave *sl = container_of(container_of(kobj, struct device, kobj), - struct w1_slave, dev); + struct w1_slave *sl = kobj_to_w1_slave(kobj); struct w1_master *dev = sl->master; u8 rom[9], crc, verdict; int i, max_trying = 10;