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Date: Thu, 21 Dec 2017 08:50:28 +0800
From: Zhang Rui <rui.zhang@...el.com>
To: Joe Perches <joe@...ches.com>, Borislav Petkov <bp@...en8.de>,
Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Paul Mackerras <paulus@...ba.org>,
Michael Ellerman <mpe@...erman.id.au>,
Thomas Falcon <tlfalcon@...ux.vnet.ibm.com>,
John Allen <jallen@...ux.vnet.ibm.com>,
Inaky Perez-Gonzalez <inaky.perez-gonzalez@...el.com>,
linux-wimax@...el.com, James Smart <james.smart@...adcom.com>,
Dick Kennedy <dick.kennedy@...adcom.com>,
Eduardo Valentin <edubezval@...il.com>
Cc: Martin Schwidefsky <schwidefsky@...ibm.com>,
Heiko Carstens <heiko.carstens@...ibm.com>,
Thomas Gleixner <tglx@...utronix.de>,
"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
Dmitry Torokhov <dmitry.torokhov@...il.com>,
"James E.J. Bottomley" <jejb@...ux.vnet.ibm.com>,
"Martin K. Petersen" <martin.petersen@...cle.com>,
linux-s390@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-input@...r.kernel.org, netdev@...r.kernel.org,
linuxppc-dev@...ts.ozlabs.org, linux-scsi@...r.kernel.org,
linux-pm@...r.kernel.org
Subject: Re: [-next PATCH 4/4] treewide: Use DEVICE_ATTR_WO
On Tue, 2017-12-19 at 10:15 -0800, Joe Perches wrote:
> Convert DEVICE_ATTR uses to DEVICE_ATTR_WO 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*\(?(?:\s*S_IWUSR\s*|\s*0200\s*)\)?
> \s*,\s*NULL\s*,\s*\s_store\s*\)/DEVICE_ATTR_WO(\1)/g; print;}'
>
> Signed-off-by: Joe Perches <joe@...ches.com>
> ---
> arch/s390/kernel/smp.c | 2 +-
> arch/x86/kernel/cpu/microcode/core.c | 2 +-
> drivers/input/touchscreen/elants_i2c.c | 2 +-
> drivers/net/ethernet/ibm/ibmvnic.c | 2 +-
> drivers/net/wimax/i2400m/sysfs.c | 3 +--
> drivers/scsi/lpfc/lpfc_attr.c | 3 +--
> drivers/thermal/thermal_sysfs.c | 2 +-
For the thermal part,
Acked-by: Zhang Rui <rui.zhang@...el.com>
thanks,
rui
> 7 files changed, 7 insertions(+), 9 deletions(-)
>
> diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
> index b8c1a85bcf2d..a919b2f0141d 100644
> --- a/arch/s390/kernel/smp.c
> +++ b/arch/s390/kernel/smp.c
> @@ -1151,7 +1151,7 @@ static ssize_t __ref rescan_store(struct device
> *dev,
> rc = smp_rescan_cpus();
> return rc ? rc : count;
> }
> -static DEVICE_ATTR(rescan, 0200, NULL, rescan_store);
> +static DEVICE_ATTR_WO(rescan);
> #endif /* CONFIG_HOTPLUG_CPU */
>
> static int __init s390_smp_init(void)
> diff --git a/arch/x86/kernel/cpu/microcode/core.c
> b/arch/x86/kernel/cpu/microcode/core.c
> index c4fa4a85d4cb..09c74b0560dd 100644
> --- a/arch/x86/kernel/cpu/microcode/core.c
> +++ b/arch/x86/kernel/cpu/microcode/core.c
> @@ -560,7 +560,7 @@ static ssize_t pf_show(struct device *dev,
> return sprintf(buf, "0x%x\n", uci->cpu_sig.pf);
> }
>
> -static DEVICE_ATTR(reload, 0200, NULL, reload_store);
> +static DEVICE_ATTR_WO(reload);
> static DEVICE_ATTR(version, 0400, version_show, NULL);
> static DEVICE_ATTR(processor_flags, 0400, pf_show, NULL);
>
> diff --git a/drivers/input/touchscreen/elants_i2c.c
> b/drivers/input/touchscreen/elants_i2c.c
> index a458e5ec9e41..819213e88f32 100644
> --- a/drivers/input/touchscreen/elants_i2c.c
> +++ b/drivers/input/touchscreen/elants_i2c.c
> @@ -1000,7 +1000,7 @@ static ssize_t show_iap_mode(struct device
> *dev,
> "Normal" : "Recovery");
> }
>
> -static DEVICE_ATTR(calibrate, S_IWUSR, NULL, calibrate_store);
> +static DEVICE_ATTR_WO(calibrate);
> static DEVICE_ATTR(iap_mode, S_IRUGO, show_iap_mode, NULL);
> static DEVICE_ATTR(update_fw, S_IWUSR, NULL, write_update_fw);
>
> diff --git a/drivers/net/ethernet/ibm/ibmvnic.c
> b/drivers/net/ethernet/ibm/ibmvnic.c
> index 1dc4aef37d3a..42b96e1a1b13 100644
> --- a/drivers/net/ethernet/ibm/ibmvnic.c
> +++ b/drivers/net/ethernet/ibm/ibmvnic.c
> @@ -4411,7 +4411,7 @@ static ssize_t failover_store(struct device
> *dev, struct device_attribute *attr,
> return count;
> }
>
> -static DEVICE_ATTR(failover, 0200, NULL, failover_store);
> +static DEVICE_ATTR_WO(failover);
>
> static unsigned long ibmvnic_get_desired_dma(struct vio_dev *vdev)
> {
> diff --git a/drivers/net/wimax/i2400m/sysfs.c
> b/drivers/net/wimax/i2400m/sysfs.c
> index 1237109f251a..8c67df11105c 100644
> --- a/drivers/net/wimax/i2400m/sysfs.c
> +++ b/drivers/net/wimax/i2400m/sysfs.c
> @@ -65,8 +65,7 @@ ssize_t i2400m_idle_timeout_store(struct device
> *dev,
> }
>
> static
> -DEVICE_ATTR(i2400m_idle_timeout, S_IWUSR,
> - NULL, i2400m_idle_timeout_store);
> +DEVICE_ATTR_WO(i2400m_idle_timeout);
>
> static
> struct attribute *i2400m_dev_attrs[] = {
> diff --git a/drivers/scsi/lpfc/lpfc_attr.c
> b/drivers/scsi/lpfc/lpfc_attr.c
> index 517ff203cfde..6ddaf51a23f6 100644
> --- a/drivers/scsi/lpfc/lpfc_attr.c
> +++ b/drivers/scsi/lpfc/lpfc_attr.c
> @@ -2418,8 +2418,7 @@ lpfc_soft_wwn_enable_store(struct device *dev,
> struct device_attribute *attr,
>
> return count;
> }
> -static DEVICE_ATTR(lpfc_soft_wwn_enable, S_IWUSR, NULL,
> - lpfc_soft_wwn_enable_store);
> +static DEVICE_ATTR_WO(lpfc_soft_wwn_enable);
>
> /**
> * lpfc_soft_wwpn_show - Return the cfg soft ww port name of the
> adapter
> diff --git a/drivers/thermal/thermal_sysfs.c
> b/drivers/thermal/thermal_sysfs.c
> index 2bc964392924..ba81c9080f6e 100644
> --- a/drivers/thermal/thermal_sysfs.c
> +++ b/drivers/thermal/thermal_sysfs.c
> @@ -317,7 +317,7 @@ emul_temp_store(struct device *dev, struct
> device_attribute *attr,
>
> return ret ? ret : count;
> }
> -static DEVICE_ATTR(emul_temp, S_IWUSR, NULL, emul_temp_store);
> +static DEVICE_ATTR_WO(emul_temp);
> #endif
>
> static ssize_t
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