diff mbox series

mt76: mt7915: introduce SAR support

Message ID ed704f40d9681041d330b1c55dcaf4b10f50c331.1637684612.git.lorenzo@kernel.org (mailing list archive)
State Accepted
Delegated to: Felix Fietkau
Headers show
Series mt76: mt7915: introduce SAR support | expand

Commit Message

Lorenzo Bianconi Nov. 23, 2021, 4:24 p.m. UTC
Add SAR spec support to mt7915 driver to allow configuring SAR power
limitations on the frequency ranges from the userland.

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
 .../net/wireless/mediatek/mt76/mt7915/main.c  | 23 +++++++++++++++++++
 .../net/wireless/mediatek/mt76/mt7915/mcu.c   |  8 +++----
 2 files changed, 27 insertions(+), 4 deletions(-)

Comments

kernel test robot Nov. 24, 2021, 7:58 p.m. UTC | #1
Hi Lorenzo,

I love your patch! Yet something to improve:

[auto build test ERROR on kvalo-wireless-drivers-next/master]
[also build test ERROR on kvalo-wireless-drivers/master v5.16-rc2 next-20211124]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Lorenzo-Bianconi/mt76-mt7915-introduce-SAR-support/20211124-002511
base:   https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next.git master
config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20211125/202111250358.9Q5qPltH-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/0day-ci/linux/commit/8f018463c8934b4706320982f195e3779ef4b25a
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Lorenzo-Bianconi/mt76-mt7915-introduce-SAR-support/20211124-002511
        git checkout 8f018463c8934b4706320982f195e3779ef4b25a
        # save the config file to linux build tree
        make W=1 ARCH=i386 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   drivers/net/wireless/mediatek/mt76/mt7915/main.c: In function 'mt7915_set_sar_specs':
>> drivers/net/wireless/mediatek/mt76/mt7915/main.c:439:8: error: implicit declaration of function 'mt76_init_sar_power'; did you mean 'mt76_get_txpower'? [-Werror=implicit-function-declaration]
     439 |  err = mt76_init_sar_power(hw, sar);
         |        ^~~~~~~~~~~~~~~~~~~
         |        mt76_get_txpower
   cc1: some warnings being treated as errors
--
   drivers/net/wireless/mediatek/mt76/mt7915/mcu.c:2392:5: warning: no previous prototype for 'mt7915_mcu_set_fixed_rate' [-Wmissing-prototypes]
    2392 | int mt7915_mcu_set_fixed_rate(struct mt7915_dev *dev,
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/net/wireless/mediatek/mt76/mt7915/mcu.c: In function 'mt7915_mcu_set_txpower_sku':
>> drivers/net/wireless/mediatek/mt76/mt7915/mcu.c:3859:13: error: implicit declaration of function 'mt76_get_sar_power'; did you mean 'mt76_get_txpower'? [-Werror=implicit-function-declaration]
    3859 |  tx_power = mt76_get_sar_power(mphy, mphy->chandef.chan,
         |             ^~~~~~~~~~~~~~~~~~
         |             mt76_get_txpower
   cc1: some warnings being treated as errors


vim +439 drivers/net/wireless/mediatek/mt76/mt7915/main.c

   427	
   428	static int mt7915_set_sar_specs(struct ieee80211_hw *hw,
   429					const struct cfg80211_sar_specs *sar)
   430	{
   431		struct mt7915_phy *phy = mt7915_hw_phy(hw);
   432		struct mt7915_dev *dev = mt7915_hw_dev(hw);
   433		int err = -EINVAL;
   434	
   435		mutex_lock(&dev->mt76.mutex);
   436		if (!cfg80211_chandef_valid(&phy->mt76->chandef))
   437			goto out;
   438	
 > 439		err = mt76_init_sar_power(hw, sar);
   440		if (err)
   441			goto out;
   442	
   443		err = mt7915_mcu_set_txpower_sku(phy);
   444	out:
   445		mutex_unlock(&dev->mt76.mutex);
   446	
   447		return err;
   448	}
   449	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
diff mbox series

Patch

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/main.c b/drivers/net/wireless/mediatek/mt76/mt7915/main.c
index 057ab27b7083..2179ea85d304 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/main.c
@@ -425,6 +425,28 @@  static int mt7915_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 	return err;
 }
 
+static int mt7915_set_sar_specs(struct ieee80211_hw *hw,
+				const struct cfg80211_sar_specs *sar)
+{
+	struct mt7915_phy *phy = mt7915_hw_phy(hw);
+	struct mt7915_dev *dev = mt7915_hw_dev(hw);
+	int err = -EINVAL;
+
+	mutex_lock(&dev->mt76.mutex);
+	if (!cfg80211_chandef_valid(&phy->mt76->chandef))
+		goto out;
+
+	err = mt76_init_sar_power(hw, sar);
+	if (err)
+		goto out;
+
+	err = mt7915_mcu_set_txpower_sku(phy);
+out:
+	mutex_unlock(&dev->mt76.mutex);
+
+	return err;
+}
+
 static int mt7915_config(struct ieee80211_hw *hw, u32 changed)
 {
 	struct mt7915_dev *dev = mt7915_hw_dev(hw);
@@ -1331,6 +1353,7 @@  const struct ieee80211_ops mt7915_ops = {
 	.sw_scan_complete = mt76_sw_scan_complete,
 	.release_buffered_frames = mt76_release_buffered_frames,
 	.get_txpower = mt76_get_txpower,
+	.set_sar_specs = mt7915_set_sar_specs,
 	.channel_switch_beacon = mt7915_channel_switch_beacon,
 	.get_stats = mt7915_get_stats,
 	.get_et_sset_count = mt7915_get_et_sset_count,
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
index 7ed1c47dec63..d7a6df23fc42 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
@@ -3856,11 +3856,11 @@  int mt7915_mcu_set_txpower_sku(struct mt7915_phy *phy)
 	struct mt76_power_limits limits_array;
 	s8 *la = (s8 *)&limits_array;
 	int i, idx, n_chains = hweight8(mphy->antenna_mask);
-	int tx_power;
-
-	tx_power = hw->conf.power_level * 2 -
-		   mt76_tx_power_nss_delta(n_chains);
+	int tx_power = hw->conf.power_level * 2;
 
+	tx_power = mt76_get_sar_power(mphy, mphy->chandef.chan,
+				      tx_power);
+	tx_power -= mt76_tx_power_nss_delta(n_chains);
 	tx_power = mt76_get_rate_power_limits(mphy, mphy->chandef.chan,
 					      &limits_array, tx_power);
 	mphy->txpower_cur = tx_power;