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mfd: sm501: Use DEVICE_ATTR_RO macro

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Use DEVICE_ATTR_RO macro helper instead of plain DEVICE_ATTR, which makes
the code a bit shorter and easier to read.

Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Zhen Lei 2021-06-02 19:43:34 +08:00 • committed by Lee Jones
parent ae7955f725
commit a2cb660b2f
1 changed files with 4 additions and 4 deletions
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8
drivers/mfd/sm501.c
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@ -1190,13 +1190,13 @@ static int sm501_register_gpio_i2c(struct sm501_devdata *sm,
return 0; return 0;
} }
/* sm501_dbg_regs /* dbg_regs_show
* *
* Debug attribute to attach to parent device to show core registers * Debug attribute to attach to parent device to show core registers
*/ */
static ssize_t sm501_dbg_regs(struct device *dev, static ssize_t dbg_regs_show(struct device *dev,
struct device_attribute *attr, char *buff) struct device_attribute *attr, char *buff)
{ {
struct sm501_devdata *sm = dev_get_drvdata(dev) ; struct sm501_devdata *sm = dev_get_drvdata(dev) ;
unsigned int reg; unsigned int reg;
@ -1213,7 +1213,7 @@ static ssize_t sm501_dbg_regs(struct device *dev,
} }
static DEVICE_ATTR(dbg_regs, 0444, sm501_dbg_regs, NULL); static DEVICE_ATTR_RO(dbg_regs);
/* sm501_init_reg /* sm501_init_reg
* *