From: Lorenzo Bianconi <[email protected]>

Set maximum number of tx fragments according to usb controller
features

Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Stanislaw Gruszka <[email protected]>
---
 drivers/net/wireless/mediatek/mt76/mt76x0/init.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/init.c 
b/drivers/net/wireless/mediatek/mt76/mt76x0/init.c
index 33730c93c63f..cd7cdf3d9731 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x0/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x0/init.c
@@ -722,6 +722,12 @@ int mt76x0_register_device(struct mt76x0_dev *dev)
        if (ret)
                return ret;
 
+       /* check hw sg support in order to enable AMSDU */
+       if (mt76u_check_sg(&dev->mt76))
+               hw->max_tx_fragments = MT_SG_MAX_SIZE;
+       else
+               hw->max_tx_fragments = 1;
+
        mt76x0_init_debugfs(dev);
 
        return 0;
-- 
2.7.5

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