[PATCH 1/5] misc: c2port: use kobj_to_dev()

[PATCH 1/5] misc: c2port: use kobj_to_dev()

[Geliang Tang]

Use kobj_to_dev() instead of open-coding it.

Signed-off-by: Geliang Tang <geliangtang@163.com>
---
 drivers/misc/c2port/core.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/misc/c2port/core.c b/drivers/misc/c2port/core.c
index cc8645b..1922cb8 100644
--- a/drivers/misc/c2port/core.c
+++ b/drivers/misc/c2port/core.c
@@ -721,9 +721,7 @@ static ssize_t c2port_read_flash_data(struct file *filp, struct kobject *kobj,
 				struct bin_attribute *attr,
 				char *buffer, loff_t offset, size_t count)
 {
-	struct c2port_device *c2dev =
-			dev_get_drvdata(container_of(kobj,
-						struct device, kobj));
+	struct c2port_device *c2dev = dev_get_drvdata(kobj_to_dev(kobj));
 	ssize_t ret;
 
 	/* Check the device and flash access status */
@@ -838,9 +836,7 @@ static ssize_t c2port_write_flash_data(struct file *filp, struct kobject *kobj,
 				struct bin_attribute *attr,
 				char *buffer, loff_t offset, size_t count)
 {
-	struct c2port_device *c2dev =
-			dev_get_drvdata(container_of(kobj,
-						struct device, kobj));
+	struct c2port_device *c2dev = dev_get_drvdata(kobj_to_dev(kobj));
 	int ret;
 
 	/* Check the device access status */
-- 
2.5.0

[PATCH 2/5] misc: cxl: use kobj_to_dev()

[Geliang Tang]

Use kobj_to_dev() instead of open-coding it.

Signed-off-by: Geliang Tang <geliangtang@163.com>
---
 drivers/misc/cxl/sysfs.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/misc/cxl/sysfs.c b/drivers/misc/cxl/sysfs.c
index 02006f71..038af5d 100644
--- a/drivers/misc/cxl/sysfs.c
+++ b/drivers/misc/cxl/sysfs.c
@@ -386,8 +386,7 @@ static ssize_t afu_eb_read(struct file *filp, struct kobject *kobj,
 			       struct bin_attribute *bin_attr, char *buf,
 			       loff_t off, size_t count)
 {
-	struct cxl_afu *afu = to_cxl_afu(container_of(kobj,
-						      struct device, kobj));
+	struct cxl_afu *afu = to_cxl_afu(kobj_to_dev(kobj));
 
 	return cxl_afu_read_err_buffer(afu, buf, off, count);
 }
@@ -467,7 +466,7 @@ static ssize_t afu_read_config(struct file *filp, struct kobject *kobj,
 			       loff_t off, size_t count)
 {
 	struct afu_config_record *cr = to_cr(kobj);
-	struct cxl_afu *afu = to_cxl_afu(container_of(kobj->parent, struct device, kobj));
+	struct cxl_afu *afu = to_cxl_afu(kobj_to_dev(kobj->parent));
 
 	u64 i, j, val;
 
-- 
2.5.0

Re: [PATCH 2/5] misc: cxl: use kobj_to_dev()

[Michael Ellerman]

On Wed, 2016-01-13 at 23:30 +0800, Geliang Tang wrote:
> Use kobj_to_dev() instead of open-coding it.
>
> Signed-off-by: Geliang Tang <geliangtang@163.com>
> ---
>  drivers/misc/cxl/sysfs.c | 5 ++---

Looks fine. Do you want me to merge it or just ack it?

Acked-by: Michael Ellerman <mpe@ellerman.id.au>

cheers

Re: [PATCH 2/5] misc: cxl: use kobj_to_dev()

[Andrew Donnellan]

On 14/01/16 02:30, Geliang Tang wrote:
> Use kobj_to_dev() instead of open-coding it.
>
> Signed-off-by: Geliang Tang <geliangtang@163.com>

Good simplification.

Reviewed-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>

-- 
Andrew Donnellan              Software Engineer, OzLabs
andrew.donnellan@au1.ibm.com  Australia Development Lab, Canberra
+61 2 6201 8874 (work)        IBM Australia Limited

[PATCH 3/5] pch_phub: use kobj_to_dev()

[Geliang Tang]

Use kobj_to_dev() instead of open-coding it.

Signed-off-by: Geliang Tang <geliangtang@163.com>
---
 drivers/misc/pch_phub.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/misc/pch_phub.c b/drivers/misc/pch_phub.c
index 9a17a9b..15bb0c8 100644
--- a/drivers/misc/pch_phub.c
+++ b/drivers/misc/pch_phub.c
@@ -503,8 +503,7 @@ static ssize_t pch_phub_bin_read(struct file *filp, struct kobject *kobj,
 	int err;
 	ssize_t rom_size;
 
-	struct pch_phub_reg *chip =
-		dev_get_drvdata(container_of(kobj, struct device, kobj));
+	struct pch_phub_reg *chip = dev_get_drvdata(kobj_to_dev(kobj));
 
 	ret = mutex_lock_interruptible(&pch_phub_mutex);
 	if (ret) {
@@ -567,8 +566,7 @@ static ssize_t pch_phub_bin_write(struct file *filp, struct kobject *kobj,
 	unsigned int addr_offset;
 	int ret;
 	ssize_t rom_size;
-	struct pch_phub_reg *chip =
-		dev_get_drvdata(container_of(kobj, struct device, kobj));
+	struct pch_phub_reg *chip = dev_get_drvdata(kobj_to_dev(kobj));
 
 	ret = mutex_lock_interruptible(&pch_phub_mutex);
 	if (ret)
-- 
2.5.0

[PATCH 4/5] misc: eeprom: use kobj_to_dev()

[Geliang Tang]

Use kobj_to_dev() instead of open-coding it.

Signed-off-by: Geliang Tang <geliangtang@163.com>
---
 drivers/misc/eeprom/at24.c          | 4 ++--
 drivers/misc/eeprom/at25.c          | 4 ++--
 drivers/misc/eeprom/eeprom.c        | 2 +-
 drivers/misc/eeprom/eeprom_93xx46.c | 4 ++--
 4 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c
index 5d7c090..d105c25 100644
--- a/drivers/misc/eeprom/at24.c
+++ b/drivers/misc/eeprom/at24.c
@@ -289,7 +289,7 @@ static ssize_t at24_bin_read(struct file *filp, struct kobject *kobj,
 {
 	struct at24_data *at24;
 
-	at24 = dev_get_drvdata(container_of(kobj, struct device, kobj));
+	at24 = dev_get_drvdata(kobj_to_dev(kobj));
 	return at24_read(at24, buf, off, count);
 }
 
@@ -420,7 +420,7 @@ static ssize_t at24_bin_write(struct file *filp, struct kobject *kobj,
 {
 	struct at24_data *at24;
 
-	at24 = dev_get_drvdata(container_of(kobj, struct device, kobj));
+	at24 = dev_get_drvdata(kobj_to_dev(kobj));
 	return at24_write(at24, buf, off, count);
 }
 
diff --git a/drivers/misc/eeprom/at25.c b/drivers/misc/eeprom/at25.c
index f850ef5..3e9e5a2 100644
--- a/drivers/misc/eeprom/at25.c
+++ b/drivers/misc/eeprom/at25.c
@@ -139,7 +139,7 @@ at25_bin_read(struct file *filp, struct kobject *kobj,
 	struct device		*dev;
 	struct at25_data	*at25;
 
-	dev = container_of(kobj, struct device, kobj);
+	dev = kobj_to_dev(kobj);
 	at25 = dev_get_drvdata(dev);
 
 	return at25_ee_read(at25, buf, off, count);
@@ -273,7 +273,7 @@ at25_bin_write(struct file *filp, struct kobject *kobj,
 	struct device		*dev;
 	struct at25_data	*at25;
 
-	dev = container_of(kobj, struct device, kobj);
+	dev = kobj_to_dev(kobj);
 	at25 = dev_get_drvdata(dev);
 
 	return at25_ee_write(at25, buf, off, count);
diff --git a/drivers/misc/eeprom/eeprom.c b/drivers/misc/eeprom/eeprom.c
index 7342fd6..3d1d551 100644
--- a/drivers/misc/eeprom/eeprom.c
+++ b/drivers/misc/eeprom/eeprom.c
@@ -84,7 +84,7 @@ static ssize_t eeprom_read(struct file *filp, struct kobject *kobj,
 			   struct bin_attribute *bin_attr,
 			   char *buf, loff_t off, size_t count)
 {
-	struct i2c_client *client = to_i2c_client(container_of(kobj, struct device, kobj));
+	struct i2c_client *client = to_i2c_client(kobj_to_dev(kobj));
 	struct eeprom_data *data = i2c_get_clientdata(client);
 	u8 slice;
 
diff --git a/drivers/misc/eeprom/eeprom_93xx46.c b/drivers/misc/eeprom/eeprom_93xx46.c
index ff63f05..473aa0a 100644
--- a/drivers/misc/eeprom/eeprom_93xx46.c
+++ b/drivers/misc/eeprom/eeprom_93xx46.c
@@ -45,7 +45,7 @@ eeprom_93xx46_bin_read(struct file *filp, struct kobject *kobj,
 	int bits, ret;
 	u16 cmd_addr;
 
-	dev = container_of(kobj, struct device, kobj);
+	dev = kobj_to_dev(kobj);
 	edev = dev_get_drvdata(dev);
 
 	cmd_addr = OP_READ << edev->addrlen;
@@ -190,7 +190,7 @@ eeprom_93xx46_bin_write(struct file *filp, struct kobject *kobj,
 	struct device *dev;
 	int i, ret, step = 1;
 
-	dev = container_of(kobj, struct device, kobj);
+	dev = kobj_to_dev(kobj);
 	edev = dev_get_drvdata(dev);
 
 	/* only write even number of bytes on 16-bit devices */
-- 
2.5.0

[PATCH 5/5] GenWQE: use kobj_to_dev()

[Geliang Tang]

Use kobj_to_dev() instead of open-coding it.

Signed-off-by: Geliang Tang <geliangtang@163.com>
---
 drivers/misc/genwqe/card_sysfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/misc/genwqe/card_sysfs.c b/drivers/misc/genwqe/card_sysfs.c
index 6ab31ef..c24c9b7 100644
--- a/drivers/misc/genwqe/card_sysfs.c
+++ b/drivers/misc/genwqe/card_sysfs.c
@@ -278,7 +278,7 @@ static umode_t genwqe_is_visible(struct kobject *kobj,
 				 struct attribute *attr, int n)
 {
 	unsigned int j;
-	struct device *dev = container_of(kobj, struct device, kobj);
+	struct device *dev = kobj_to_dev(kobj);
 	struct genwqe_dev *cd = dev_get_drvdata(dev);
 	umode_t mode = attr->mode;
 
-- 
2.5.0

Re: [PATCH 1/5] misc: c2port: use kobj_to_dev()

[Viresh Kumar]

On 13-01-16, 23:30, Geliang Tang wrote:
> Use kobj_to_dev() instead of open-coding it.
> 
> Signed-off-by: Geliang Tang <geliangtang@163.com>
> ---
>  drivers/misc/c2port/core.c | 8 ++------
>  1 file changed, 2 insertions(+), 6 deletions(-)

Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>

-- 
viresh