On Tuesday, December 19, 2017 7:15:08 PM CET Joe Perches wrote:
> Convert DEVICE_ATTR uses to DEVICE_ATTR_RO where possible.
>
> Done with perl script:
>
> $ git grep -w --name-only DEVICE_ATTR | \
> xargs perl -i -e 'local $/; while (<>) { s/\bDEVICE_ATTR\s*\(\s*(\w+)\s*,\s*\(?(?:\s*S_IRUGO\s*|\s*0444\s*)\)?\s*,\s*\1_show\s*,\s*NULL\s*\)/DEVICE_ATTR_RO(\1)/g; print;}'
>
> Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
> ---
> arch/arm/mach-pxa/sharpsl_pm.c | 4 ++--
> arch/sh/drivers/push-switch.c | 2 +-
> arch/tile/kernel/sysfs.c | 10 +++++-----
> drivers/acpi/device_sysfs.c | 6 +++---
> drivers/char/ipmi/ipmi_msghandler.c | 17 ++++++++---------
> drivers/gpu/drm/i915/i915_sysfs.c | 6 +++---
> drivers/nvme/host/core.c | 10 +++++-----
> drivers/s390/cio/css.c | 8 ++++----
> drivers/s390/cio/device.c | 8 ++++----
> drivers/s390/crypto/ap_card.c | 2 +-
> drivers/scsi/hpsa.c | 10 +++++-----
> drivers/scsi/lpfc/lpfc_attr.c | 18 ++++++++----------
> drivers/staging/media/atomisp/pci/atomisp2/hmm/hmm.c | 8 ++++----
> drivers/thermal/thermal_sysfs.c | 6 +++---
> sound/soc/soc-core.c | 2 +-
> sound/soc/soc-dapm.c | 2 +-
> 16 files changed, 58 insertions(+), 61 deletions(-)
>
> diff --git a/arch/arm/mach-pxa/sharpsl_pm.c b/arch/arm/mach-pxa/sharpsl_pm.c
> index 398ba9ba2632..ef9fd9b759cb 100644
> --- a/arch/arm/mach-pxa/sharpsl_pm.c
> +++ b/arch/arm/mach-pxa/sharpsl_pm.c
> @@ -802,8 +802,8 @@ static ssize_t battery_voltage_show(struct device *dev, struct device_attribute
> return sprintf(buf, "%d\n", sharpsl_pm.battstat.mainbat_voltage);
> }
>
> -static DEVICE_ATTR(battery_percentage, 0444, battery_percentage_show, NULL);
> -static DEVICE_ATTR(battery_voltage, 0444, battery_voltage_show, NULL);
> +static DEVICE_ATTR_RO(battery_percentage);
> +static DEVICE_ATTR_RO(battery_voltage);
>
> extern void (*apm_get_power_status)(struct apm_power_info *);
>
> diff --git a/arch/sh/drivers/push-switch.c b/arch/sh/drivers/push-switch.c
> index a17181160233..762bc5619910 100644
> --- a/arch/sh/drivers/push-switch.c
> +++ b/arch/sh/drivers/push-switch.c
> @@ -24,7 +24,7 @@ static ssize_t switch_show(struct device *dev,
> struct push_switch_platform_info *psw_info = dev->platform_data;
> return sprintf(buf, "%s\n", psw_info->name);
> }
> -static DEVICE_ATTR(switch, S_IRUGO, switch_show, NULL);
> +static DEVICE_ATTR_RO(switch);
>
> static void switch_timer(struct timer_list *t)
> {
> diff --git a/arch/tile/kernel/sysfs.c b/arch/tile/kernel/sysfs.c
> index af5024f0fb5a..b09456a3d77a 100644
> --- a/arch/tile/kernel/sysfs.c
> +++ b/arch/tile/kernel/sysfs.c
> @@ -38,7 +38,7 @@ static ssize_t chip_width_show(struct device *dev,
> {
> return sprintf(page, "%u\n", smp_width);
> }
> -static DEVICE_ATTR(chip_width, 0444, chip_width_show, NULL);
> +static DEVICE_ATTR_RO(chip_width);
>
> static ssize_t chip_height_show(struct device *dev,
> struct device_attribute *attr,
> @@ -46,7 +46,7 @@ static ssize_t chip_height_show(struct device *dev,
> {
> return sprintf(page, "%u\n", smp_height);
> }
> -static DEVICE_ATTR(chip_height, 0444, chip_height_show, NULL);
> +static DEVICE_ATTR_RO(chip_height);
>
> static ssize_t chip_serial_show(struct device *dev,
> struct device_attribute *attr,
> @@ -54,7 +54,7 @@ static ssize_t chip_serial_show(struct device *dev,
> {
> return get_hv_confstr(page, HV_CONFSTR_CHIP_SERIAL_NUM);
> }
> -static DEVICE_ATTR(chip_serial, 0444, chip_serial_show, NULL);
> +static DEVICE_ATTR_RO(chip_serial);
>
> static ssize_t chip_revision_show(struct device *dev,
> struct device_attribute *attr,
> @@ -62,7 +62,7 @@ static ssize_t chip_revision_show(struct device *dev,
> {
> return get_hv_confstr(page, HV_CONFSTR_CHIP_REV);
> }
> -static DEVICE_ATTR(chip_revision, 0444, chip_revision_show, NULL);
> +static DEVICE_ATTR_RO(chip_revision);
>
>
> static ssize_t type_show(struct device *dev,
> @@ -71,7 +71,7 @@ static ssize_t type_show(struct device *dev,
> {
> return sprintf(page, "tilera\n");
> }
> -static DEVICE_ATTR(type, 0444, type_show, NULL);
> +static DEVICE_ATTR_RO(type);
>
> #define HV_CONF_ATTR(name, conf) \
> static ssize_t name ## _show(struct device *dev, \
> diff --git a/drivers/acpi/device_sysfs.c b/drivers/acpi/device_sysfs.c
> index a041689e5701..545e91420cde 100644
> --- a/drivers/acpi/device_sysfs.c
> +++ b/drivers/acpi/device_sysfs.c
> @@ -357,7 +357,7 @@ static ssize_t real_power_state_show(struct device *dev,
> return sprintf(buf, "%s\n", acpi_power_state_string(state));
> }
>
> -static DEVICE_ATTR(real_power_state, 0444, real_power_state_show, NULL);
> +static DEVICE_ATTR_RO(real_power_state);
>
> static ssize_t power_state_show(struct device *dev,
> struct device_attribute *attr, char *buf)
> @@ -367,7 +367,7 @@ static ssize_t power_state_show(struct device *dev,
> return sprintf(buf, "%s\n", acpi_power_state_string(adev->power.state));
> }
>
> -static DEVICE_ATTR(power_state, 0444, power_state_show, NULL);
> +static DEVICE_ATTR_RO(power_state);
>
> static ssize_t
> acpi_eject_store(struct device *d, struct device_attribute *attr,
> @@ -462,7 +462,7 @@ static ssize_t description_show(struct device *dev,
>
> return result;
> }
> -static DEVICE_ATTR(description, 0444, description_show, NULL);
> +static DEVICE_ATTR_RO(description);
>
> static ssize_t
> acpi_device_sun_show(struct device *dev, struct device_attribute *attr,
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
for this bit.
Thanks!
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