Commit b1a79b2f authored by Akinobu Mita's avatar Akinobu Mita Committed by Linus Torvalds

iwlwifi: use <linux/units.h> helpers

This switches the iwlwifi driver to use celsius_to_kelvin() and
kelvin_to_celsius() in <linux/units.h>.

Link: http://lkml.kernel.org/r/1576386975-7941-11-git-send-email-akinobu.mita@gmail.comSigned-off-by: default avatarAkinobu Mita <akinobu.mita@gmail.com>
Reviewed-by: default avatarAndy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: default avatarLuca Coelho <luciano.coelho@intel.com>
Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: Johannes Berg <johannes.berg@intel.com>
Cc: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Cc: Luca Coelho <luciano.coelho@intel.com>
Cc: Amit Kucheria <amit.kucheria@verdurent.com>
Cc: Andy Shevchenko <andy@infradead.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Darren Hart <dvhart@infradead.org>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Hartmut Knaack <knaack.h@gmx.de>
Cc: Jean Delvare <jdelvare@suse.com>
Cc: Jens Axboe <axboe@fb.com>
Cc: Jonathan Cameron <jic23@kernel.org>
Cc: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Keith Busch <kbusch@kernel.org>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Cc: Sagi Grimberg <sagi@grimberg.me>
Cc: Stanislaw Gruszka <sgruszka@redhat.com>
Cc: Sujith Thomas <sujith.thomas@intel.com>
Cc: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 1410b2fc
...@@ -237,11 +237,6 @@ struct iwl_sensitivity_ranges { ...@@ -237,11 +237,6 @@ struct iwl_sensitivity_ranges {
u16 nrg_th_cca; u16 nrg_th_cca;
}; };
#define KELVIN_TO_CELSIUS(x) ((x)-273)
#define CELSIUS_TO_KELVIN(x) ((x)+273)
/****************************************************************************** /******************************************************************************
* *
* Functions implemented in core module which are forward declared here * Functions implemented in core module which are forward declared here
......
...@@ -10,6 +10,8 @@ ...@@ -10,6 +10,8 @@
* *
*****************************************************************************/ *****************************************************************************/
#include <linux/units.h>
/* /*
* DVM device-specific data & functions * DVM device-specific data & functions
*/ */
...@@ -345,7 +347,7 @@ static s32 iwl_temp_calib_to_offset(struct iwl_priv *priv) ...@@ -345,7 +347,7 @@ static s32 iwl_temp_calib_to_offset(struct iwl_priv *priv)
static void iwl5150_set_ct_threshold(struct iwl_priv *priv) static void iwl5150_set_ct_threshold(struct iwl_priv *priv)
{ {
const s32 volt2temp_coef = IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF; const s32 volt2temp_coef = IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF;
s32 threshold = (s32)CELSIUS_TO_KELVIN(CT_KILL_THRESHOLD_LEGACY) - s32 threshold = (s32)celsius_to_kelvin(CT_KILL_THRESHOLD_LEGACY) -
iwl_temp_calib_to_offset(priv); iwl_temp_calib_to_offset(priv);
priv->hw_params.ct_kill_threshold = threshold * volt2temp_coef; priv->hw_params.ct_kill_threshold = threshold * volt2temp_coef;
...@@ -381,7 +383,7 @@ static void iwl5150_temperature(struct iwl_priv *priv) ...@@ -381,7 +383,7 @@ static void iwl5150_temperature(struct iwl_priv *priv)
vt = le32_to_cpu(priv->statistics.common.temperature); vt = le32_to_cpu(priv->statistics.common.temperature);
vt = vt / IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF + offset; vt = vt / IWL_5150_VOLTAGE_TO_TEMPERATURE_COEFF + offset;
/* now vt hold the temperature in Kelvin */ /* now vt hold the temperature in Kelvin */
priv->temperature = KELVIN_TO_CELSIUS(vt); priv->temperature = kelvin_to_celsius(vt);
iwl_tt_handler(priv); iwl_tt_handler(priv);
} }
......
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