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Message-Id: <1576075099-3441-10-git-send-email-akinobu.mita@gmail.com>
Date:   Wed, 11 Dec 2019 23:38:16 +0900
From:   Akinobu Mita <akinobu.mita@...il.com>
To:     linux-nvme@...ts.infradead.org, linux-hwmon@...r.kernel.org,
        linux-pm@...r.kernel.org, linux-wireless@...r.kernel.org,
        linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Akinobu Mita <akinobu.mita@...il.com>,
        Kalle Valo <kvalo@...eaurora.org>,
        Stanislaw Gruszka <sgruszka@...hat.com>
Subject: [PATCH v3 09/12] wireless: iwlegacy: use <linux/units.h> helpers

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

Cc: Kalle Valo <kvalo@...eaurora.org>
Cc: Stanislaw Gruszka <sgruszka@...hat.com>
Signed-off-by: Akinobu Mita <akinobu.mita@...il.com>
---
* New patch from v3

 drivers/net/wireless/intel/iwlegacy/4965-mac.c |  3 ++-
 drivers/net/wireless/intel/iwlegacy/4965.c     | 11 ++++++-----
 drivers/net/wireless/intel/iwlegacy/common.h   |  3 ---
 3 files changed, 8 insertions(+), 9 deletions(-)

diff --git a/drivers/net/wireless/intel/iwlegacy/4965-mac.c b/drivers/net/wireless/intel/iwlegacy/4965-mac.c
index 3664f56..d6766eb 100644
--- a/drivers/net/wireless/intel/iwlegacy/4965-mac.c
+++ b/drivers/net/wireless/intel/iwlegacy/4965-mac.c
@@ -27,6 +27,7 @@
 #include <linux/firmware.h>
 #include <linux/etherdevice.h>
 #include <linux/if_arp.h>
+#include <linux/units.h>
 
 #include <net/mac80211.h>
 
@@ -6467,7 +6468,7 @@ il4965_set_hw_params(struct il_priv *il)
 	il->hw_params.valid_rx_ant = il->cfg->valid_rx_ant;
 
 	il->hw_params.ct_kill_threshold =
-	   CELSIUS_TO_KELVIN(CT_KILL_THRESHOLD_LEGACY);
+	   celsius_to_kelvin(CT_KILL_THRESHOLD_LEGACY);
 
 	il->hw_params.sens = &il4965_sensitivity;
 	il->hw_params.beacon_time_tsf_bits = IL4965_EXT_BEACON_TIME_POS;
diff --git a/drivers/net/wireless/intel/iwlegacy/4965.c b/drivers/net/wireless/intel/iwlegacy/4965.c
index 32699b6..31b346c 100644
--- a/drivers/net/wireless/intel/iwlegacy/4965.c
+++ b/drivers/net/wireless/intel/iwlegacy/4965.c
@@ -17,6 +17,7 @@
 #include <linux/sched.h>
 #include <linux/skbuff.h>
 #include <linux/netdevice.h>
+#include <linux/units.h>
 #include <net/mac80211.h>
 #include <linux/etherdevice.h>
 #include <asm/unaligned.h>
@@ -1104,7 +1105,7 @@ il4965_fill_txpower_tbl(struct il_priv *il, u8 band, u16 channel, u8 is_ht40,
 	/* get current temperature (Celsius) */
 	current_temp = max(il->temperature, IL_TX_POWER_TEMPERATURE_MIN);
 	current_temp = min(il->temperature, IL_TX_POWER_TEMPERATURE_MAX);
-	current_temp = KELVIN_TO_CELSIUS(current_temp);
+	current_temp = kelvin_to_celsius(current_temp);
 
 	/* select thermal txpower adjustment params, based on channel group
 	 *   (same frequency group used for mimo txatten adjustment) */
@@ -1611,7 +1612,7 @@ il4965_hw_get_temperature(struct il_priv *il)
 	    (temperature * 97) / 100 + TEMPERATURE_CALIB_KELVIN_OFFSET;
 
 	D_TEMP("Calibrated temperature: %dK, %dC\n", temperature,
-	       KELVIN_TO_CELSIUS(temperature));
+	       kelvin_to_celsius(temperature));
 
 	return temperature;
 }
@@ -1671,11 +1672,11 @@ il4965_temperature_calib(struct il_priv *il)
 	if (il->temperature != temp) {
 		if (il->temperature)
 			D_TEMP("Temperature changed " "from %dC to %dC\n",
-			       KELVIN_TO_CELSIUS(il->temperature),
-			       KELVIN_TO_CELSIUS(temp));
+			       kelvin_to_celsius(il->temperature),
+			       kelvin_to_celsius(temp));
 		else
 			D_TEMP("Temperature " "initialized to %dC\n",
-			       KELVIN_TO_CELSIUS(temp));
+			       kelvin_to_celsius(temp));
 	}
 
 	il->temperature = temp;
diff --git a/drivers/net/wireless/intel/iwlegacy/common.h b/drivers/net/wireless/intel/iwlegacy/common.h
index e7fb8e6..bc9cd7e 100644
--- a/drivers/net/wireless/intel/iwlegacy/common.h
+++ b/drivers/net/wireless/intel/iwlegacy/common.h
@@ -779,9 +779,6 @@ struct il_sensitivity_ranges {
 	u16 nrg_th_cca;
 };
 
-#define KELVIN_TO_CELSIUS(x) ((x)-273)
-#define CELSIUS_TO_KELVIN(x) ((x)+273)
-
 /**
  * struct il_hw_params
  * @bcast_id: f/w broadcast station ID
-- 
2.7.4

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