| Message ID | 1574952879-7200-8-git-send-email-akinobu.mita@gmail.com (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
| Series | add header file for kelvin to/from Celsius conversion helpers | expand |
On 11/28/19 6:54 AM, Akinobu Mita wrote: > This switches the nvme driver to use kelvin_to_millicelsius() and > millicelsius_to_kelvin() in <linux/temperature.h>. > > Cc: Sujith Thomas <sujith.thomas@intel.com> > Cc: Darren Hart <dvhart@infradead.org> > Cc: Andy Shevchenko <andy@infradead.org> > Cc: Zhang Rui <rui.zhang@intel.com> > Cc: Daniel Lezcano <daniel.lezcano@linaro.org> > Cc: Amit Kucheria <amit.kucheria@verdurent.com> > Cc: Jean Delvare <jdelvare@suse.com> > Cc: Guenter Roeck <linux@roeck-us.net> > Cc: Keith Busch <kbusch@kernel.org> > Cc: Jens Axboe <axboe@fb.com> > Cc: Christoph Hellwig <hch@lst.de> > Cc: Sagi Grimberg <sagi@grimberg.me> > Reviewed-by: Christoph Hellwig <hch@lst.de> > Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> > --- > * v2 > - add Reviewed-by tag > > drivers/nvme/host/hwmon.c | 13 +++++-------- > 1 file changed, 5 insertions(+), 8 deletions(-) > > diff --git a/drivers/nvme/host/hwmon.c b/drivers/nvme/host/hwmon.c > index a5af21f..14720c1 100644 > --- a/drivers/nvme/host/hwmon.c > +++ b/drivers/nvme/host/hwmon.c > @@ -5,14 +5,11 @@ > */ > > #include <linux/hwmon.h> > +#include <linux/temperature.h> > #include <asm/unaligned.h> > > #include "nvme.h" > > -/* These macros should be moved to linux/temperature.h */ > -#define MILLICELSIUS_TO_KELVIN(t) DIV_ROUND_CLOSEST((t) + 273150, 1000) > -#define KELVIN_TO_MILLICELSIUS(t) ((t) * 1000L - 273150) > - > struct nvme_hwmon_data { > struct nvme_ctrl *ctrl; > struct nvme_smart_log log; > @@ -35,7 +32,7 @@ static int nvme_get_temp_thresh(struct nvme_ctrl *ctrl, int sensor, bool under, > return -EIO; > if (ret < 0) > return ret; > - *temp = KELVIN_TO_MILLICELSIUS(status & NVME_TEMP_THRESH_MASK); > + *temp = kelvin_to_millicelsius(status & NVME_TEMP_THRESH_MASK); > > return 0; > } > @@ -46,7 +43,7 @@ static int nvme_set_temp_thresh(struct nvme_ctrl *ctrl, int sensor, bool under, > unsigned int threshold = sensor << NVME_TEMP_THRESH_SELECT_SHIFT; > int ret; > > - temp = MILLICELSIUS_TO_KELVIN(temp); > + temp = millicelsius_to_kelvin(temp); > threshold |= clamp_val(temp, 0, NVME_TEMP_THRESH_MASK); > > if (under) > @@ -88,7 +85,7 @@ static int nvme_hwmon_read(struct device *dev, enum hwmon_sensor_types type, > case hwmon_temp_min: > return nvme_get_temp_thresh(data->ctrl, channel, true, val); > case hwmon_temp_crit: > - *val = KELVIN_TO_MILLICELSIUS(data->ctrl->cctemp); > + *val = kelvin_to_millicelsius(data->ctrl->cctemp); > return 0; > default: > break; > @@ -105,7 +102,7 @@ static int nvme_hwmon_read(struct device *dev, enum hwmon_sensor_types type, > temp = get_unaligned_le16(log->temperature); > else > temp = le16_to_cpu(log->temp_sensor[channel - 1]); > - *val = KELVIN_TO_MILLICELSIUS(temp); > + *val = kelvin_to_millicelsius(temp); > break; > case hwmon_temp_alarm: > *val = !!(log->critical_warning & NVME_SMART_CRIT_TEMPERATURE); >
On Thu, Nov 28, 2019 at 11:54:38PM +0900, Akinobu Mita wrote: > This switches the nvme driver to use kelvin_to_millicelsius() and > millicelsius_to_kelvin() in <linux/temperature.h>. nvme change looks fine to me. Reviewed-by: Keith Busch <kbusch@kernel.org>
diff --git a/drivers/nvme/host/hwmon.c b/drivers/nvme/host/hwmon.c index a5af21f..14720c1 100644 --- a/drivers/nvme/host/hwmon.c +++ b/drivers/nvme/host/hwmon.c @@ -5,14 +5,11 @@ */ #include <linux/hwmon.h> +#include <linux/temperature.h> #include <asm/unaligned.h> #include "nvme.h" -/* These macros should be moved to linux/temperature.h */ -#define MILLICELSIUS_TO_KELVIN(t) DIV_ROUND_CLOSEST((t) + 273150, 1000) -#define KELVIN_TO_MILLICELSIUS(t) ((t) * 1000L - 273150) - struct nvme_hwmon_data { struct nvme_ctrl *ctrl; struct nvme_smart_log log; @@ -35,7 +32,7 @@ static int nvme_get_temp_thresh(struct nvme_ctrl *ctrl, int sensor, bool under, return -EIO; if (ret < 0) return ret; - *temp = KELVIN_TO_MILLICELSIUS(status & NVME_TEMP_THRESH_MASK); + *temp = kelvin_to_millicelsius(status & NVME_TEMP_THRESH_MASK); return 0; } @@ -46,7 +43,7 @@ static int nvme_set_temp_thresh(struct nvme_ctrl *ctrl, int sensor, bool under, unsigned int threshold = sensor << NVME_TEMP_THRESH_SELECT_SHIFT; int ret; - temp = MILLICELSIUS_TO_KELVIN(temp); + temp = millicelsius_to_kelvin(temp); threshold |= clamp_val(temp, 0, NVME_TEMP_THRESH_MASK); if (under) @@ -88,7 +85,7 @@ static int nvme_hwmon_read(struct device *dev, enum hwmon_sensor_types type, case hwmon_temp_min: return nvme_get_temp_thresh(data->ctrl, channel, true, val); case hwmon_temp_crit: - *val = KELVIN_TO_MILLICELSIUS(data->ctrl->cctemp); + *val = kelvin_to_millicelsius(data->ctrl->cctemp); return 0; default: break; @@ -105,7 +102,7 @@ static int nvme_hwmon_read(struct device *dev, enum hwmon_sensor_types type, temp = get_unaligned_le16(log->temperature); else temp = le16_to_cpu(log->temp_sensor[channel - 1]); - *val = KELVIN_TO_MILLICELSIUS(temp); + *val = kelvin_to_millicelsius(temp); break; case hwmon_temp_alarm: *val = !!(log->critical_warning & NVME_SMART_CRIT_TEMPERATURE);