Re: [-next PATCH 3/4] treewide: Use DEVICE_ATTR_RO
On Tue, 2017-12-19 at 10:15 -0800, 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> --- > 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 +++--- For the thermal part, ACK-by: Zhang Rui thanks, rui > 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 >
[-next PATCH 3/4] treewide: Use DEVICE_ATTR_RO
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--- 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