misc: c2port: use kobj_to_dev()
Use kobj_to_dev() instead of open-coding it. Signed-off-by: Geliang Tang <geliangtang@163.com> Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -721,9 +721,7 @@ static ssize_t c2port_read_flash_data(struct file *filp, struct kobject *kobj,
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struct bin_attribute *attr,
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char *buffer, loff_t offset, size_t count)
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{
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struct c2port_device *c2dev =
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dev_get_drvdata(container_of(kobj,
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struct device, kobj));
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struct c2port_device *c2dev = dev_get_drvdata(kobj_to_dev(kobj));
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ssize_t ret;
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/* Check the device and flash access status */
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@ -838,9 +836,7 @@ static ssize_t c2port_write_flash_data(struct file *filp, struct kobject *kobj,
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struct bin_attribute *attr,
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char *buffer, loff_t offset, size_t count)
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{
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struct c2port_device *c2dev =
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dev_get_drvdata(container_of(kobj,
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struct device, kobj));
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struct c2port_device *c2dev = dev_get_drvdata(kobj_to_dev(kobj));
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int ret;
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/* Check the device access status */
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