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Message-ID: <CAHp75VfG1OuX=FtUc79YburcCxwM3Su3j3M=0ijnU+AM8KV==A@mail.gmail.com>
Date: Fri, 9 Jun 2017 12:35:35 +0300
From: Andy Shevchenko <andy.shevchenko@...il.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
Henrique de Moraes Holschuh <ibm-acpi@....eng.br>,
Darren Hart <dvhart@...radead.org>,
Andy Shevchenko <andy@...radead.org>,
ibm-acpi-devel@...ts.sourceforge.net,
Platform Driver <platform-driver-x86@...r.kernel.org>
Subject: Re: [PATCH 09/11] platform: thinkpad_acpi: convert to use DRIVER_ATTR_RO/RW
On Fri, Jun 9, 2017 at 12:03 PM, Greg Kroah-Hartman
<gregkh@...uxfoundation.org> wrote:
> We are trying to get rid of DRIVER_ATTR(), and the thinkpad_acpi
> driver's attributes can be trivially changed to use DRIVER_ATTR_RO() and
> DRIVER_ATTR_RW().
Which tree is it supposed to go through?
We might need an immutable tag / branch.
P.S. Change is good to me, though let's give a chance to Darren and
Henrique to comment.
> Cc: Henrique de Moraes Holschuh <ibm-acpi@....eng.br>
> Cc: Darren Hart <dvhart@...radead.org>
> Cc: Andy Shevchenko <andy@...radead.org>
> Cc: <ibm-acpi-devel@...ts.sourceforge.net>
> Cc: <platform-driver-x86@...r.kernel.org>
> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> ---
> drivers/platform/x86/thinkpad_acpi.c | 91 +++++++++++-------------------------
> 1 file changed, 28 insertions(+), 63 deletions(-)
>
> diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
> index 7b6cb0c69b02..f6861b551178 100644
> --- a/drivers/platform/x86/thinkpad_acpi.c
> +++ b/drivers/platform/x86/thinkpad_acpi.c
> @@ -1438,25 +1438,20 @@ static int tpacpi_rfk_procfs_write(const enum tpacpi_rfk_id id, char *buf)
> */
>
> /* interface_version --------------------------------------------------- */
> -static ssize_t tpacpi_driver_interface_version_show(
> - struct device_driver *drv,
> - char *buf)
> +static ssize_t interface_version_show(struct device_driver *drv, char *buf)
> {
> return snprintf(buf, PAGE_SIZE, "0x%08x\n", TPACPI_SYSFS_VERSION);
> }
> -
> -static DRIVER_ATTR(interface_version, S_IRUGO,
> - tpacpi_driver_interface_version_show, NULL);
> +static DRIVER_ATTR_RO(interface_version);
>
> /* debug_level --------------------------------------------------------- */
> -static ssize_t tpacpi_driver_debug_show(struct device_driver *drv,
> - char *buf)
> +static ssize_t debug_level_show(struct device_driver *drv, char *buf)
> {
> return snprintf(buf, PAGE_SIZE, "0x%04x\n", dbg_level);
> }
>
> -static ssize_t tpacpi_driver_debug_store(struct device_driver *drv,
> - const char *buf, size_t count)
> +static ssize_t debug_level_store(struct device_driver *drv, const char *buf,
> + size_t count)
> {
> unsigned long t;
>
> @@ -1467,34 +1462,28 @@ static ssize_t tpacpi_driver_debug_store(struct device_driver *drv,
>
> return count;
> }
> -
> -static DRIVER_ATTR(debug_level, S_IWUSR | S_IRUGO,
> - tpacpi_driver_debug_show, tpacpi_driver_debug_store);
> +static DRIVER_ATTR_RW(debug_level);
>
> /* version ------------------------------------------------------------- */
> -static ssize_t tpacpi_driver_version_show(struct device_driver *drv,
> - char *buf)
> +static ssize_t version_show(struct device_driver *drv, char *buf)
> {
> return snprintf(buf, PAGE_SIZE, "%s v%s\n",
> TPACPI_DESC, TPACPI_VERSION);
> }
> -
> -static DRIVER_ATTR(version, S_IRUGO,
> - tpacpi_driver_version_show, NULL);
> +static DRIVER_ATTR_RO(version);
>
> /* --------------------------------------------------------------------- */
>
> #ifdef CONFIG_THINKPAD_ACPI_DEBUGFACILITIES
>
> /* wlsw_emulstate ------------------------------------------------------ */
> -static ssize_t tpacpi_driver_wlsw_emulstate_show(struct device_driver *drv,
> - char *buf)
> +static ssize_t wlsw_emulstate_show(struct device_driver *drv, char *buf)
> {
> return snprintf(buf, PAGE_SIZE, "%d\n", !!tpacpi_wlsw_emulstate);
> }
>
> -static ssize_t tpacpi_driver_wlsw_emulstate_store(struct device_driver *drv,
> - const char *buf, size_t count)
> +static ssize_t wlsw_emulstate_store(struct device_driver *drv, const char *buf,
> + size_t count)
> {
> unsigned long t;
>
> @@ -1508,22 +1497,16 @@ static ssize_t tpacpi_driver_wlsw_emulstate_store(struct device_driver *drv,
>
> return count;
> }
> -
> -static DRIVER_ATTR(wlsw_emulstate, S_IWUSR | S_IRUGO,
> - tpacpi_driver_wlsw_emulstate_show,
> - tpacpi_driver_wlsw_emulstate_store);
> +static DRIVER_ATTR_RW(wlsw_emulstate);
>
> /* bluetooth_emulstate ------------------------------------------------- */
> -static ssize_t tpacpi_driver_bluetooth_emulstate_show(
> - struct device_driver *drv,
> - char *buf)
> +static ssize_t bluetooth_emulstate_show(struct device_driver *drv, char *buf)
> {
> return snprintf(buf, PAGE_SIZE, "%d\n", !!tpacpi_bluetooth_emulstate);
> }
>
> -static ssize_t tpacpi_driver_bluetooth_emulstate_store(
> - struct device_driver *drv,
> - const char *buf, size_t count)
> +static ssize_t bluetooth_emulstate_store(struct device_driver *drv,
> + const char *buf, size_t count)
> {
> unsigned long t;
>
> @@ -1534,22 +1517,16 @@ static ssize_t tpacpi_driver_bluetooth_emulstate_store(
>
> return count;
> }
> -
> -static DRIVER_ATTR(bluetooth_emulstate, S_IWUSR | S_IRUGO,
> - tpacpi_driver_bluetooth_emulstate_show,
> - tpacpi_driver_bluetooth_emulstate_store);
> +static DRIVER_ATTR_RW(bluetooth_emulstate);
>
> /* wwan_emulstate ------------------------------------------------- */
> -static ssize_t tpacpi_driver_wwan_emulstate_show(
> - struct device_driver *drv,
> - char *buf)
> +static ssize_t wwan_emulstate_show(struct device_driver *drv, char *buf)
> {
> return snprintf(buf, PAGE_SIZE, "%d\n", !!tpacpi_wwan_emulstate);
> }
>
> -static ssize_t tpacpi_driver_wwan_emulstate_store(
> - struct device_driver *drv,
> - const char *buf, size_t count)
> +static ssize_t wwan_emulstate_store(struct device_driver *drv, const char *buf,
> + size_t count)
> {
> unsigned long t;
>
> @@ -1560,22 +1537,16 @@ static ssize_t tpacpi_driver_wwan_emulstate_store(
>
> return count;
> }
> -
> -static DRIVER_ATTR(wwan_emulstate, S_IWUSR | S_IRUGO,
> - tpacpi_driver_wwan_emulstate_show,
> - tpacpi_driver_wwan_emulstate_store);
> +static DRIVER_ATTR_RW(wwan_emulstate);
>
> /* uwb_emulstate ------------------------------------------------- */
> -static ssize_t tpacpi_driver_uwb_emulstate_show(
> - struct device_driver *drv,
> - char *buf)
> +static ssize_t uwb_emulstate_show(struct device_driver *drv, char *buf)
> {
> return snprintf(buf, PAGE_SIZE, "%d\n", !!tpacpi_uwb_emulstate);
> }
>
> -static ssize_t tpacpi_driver_uwb_emulstate_store(
> - struct device_driver *drv,
> - const char *buf, size_t count)
> +static ssize_t uwb_emulstate_store(struct device_driver *drv, const char *buf,
> + size_t count)
> {
> unsigned long t;
>
> @@ -1586,10 +1557,7 @@ static ssize_t tpacpi_driver_uwb_emulstate_store(
>
> return count;
> }
> -
> -static DRIVER_ATTR(uwb_emulstate, S_IWUSR | S_IRUGO,
> - tpacpi_driver_uwb_emulstate_show,
> - tpacpi_driver_uwb_emulstate_store);
> +static DRIVER_ATTR_RW(uwb_emulstate);
> #endif
>
> /* --------------------------------------------------------------------- */
> @@ -8606,14 +8574,13 @@ static ssize_t fan_fan2_input_show(struct device *dev,
> static DEVICE_ATTR(fan2_input, S_IRUGO, fan_fan2_input_show, NULL);
>
> /* sysfs fan fan_watchdog (hwmon driver) ------------------------------- */
> -static ssize_t fan_fan_watchdog_show(struct device_driver *drv,
> - char *buf)
> +static ssize_t fan_watchdog_show(struct device_driver *drv, char *buf)
> {
> return snprintf(buf, PAGE_SIZE, "%u\n", fan_watchdog_maxinterval);
> }
>
> -static ssize_t fan_fan_watchdog_store(struct device_driver *drv,
> - const char *buf, size_t count)
> +static ssize_t fan_watchdog_store(struct device_driver *drv, const char *buf,
> + size_t count)
> {
> unsigned long t;
>
> @@ -8630,9 +8597,7 @@ static ssize_t fan_fan_watchdog_store(struct device_driver *drv,
>
> return count;
> }
> -
> -static DRIVER_ATTR(fan_watchdog, S_IWUSR | S_IRUGO,
> - fan_fan_watchdog_show, fan_fan_watchdog_store);
> +static DRIVER_ATTR_RW(fan_watchdog);
>
> /* --------------------------------------------------------------------- */
> static struct attribute *fan_attributes[] = {
> --
> 2.13.1
>
--
With Best Regards,
Andy Shevchenko
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