[source] mac80211: rt2800: fix mt7620 E2 channel registers

[LEDE Commits]

dangole pushed a commit to source.git, branch master:
https://git.lede-project.org/e209988a17d3ef67c75c8e337df7dc44675264af

commit e209988a17d3ef67c75c8e337df7dc44675264af
Author: Tomislav Požega <pozega.tomislav at gmail.com>
AuthorDate: Fri Apr 14 20:59:47 2017 +0200

    mac80211: rt2800: fix mt7620 E2 channel registers
    
    update RF register 47 and 54 values according to vendor driver
    
    Signed-off-by: Tomislav Požega <pozega.tomislav at gmail.com>
    Signed-off-by: Daniel Golle <daniel at makrotopia.org>
    [daniel at makrotopia.org: moved changes into a separate patch]
---
 ...04-rt2800-fix-mt7620-E2-channel-registers.patch | 41 ++++++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/package/kernel/mac80211/patches/021-04-rt2800-fix-mt7620-E2-channel-registers.patch b/package/kernel/mac80211/patches/021-04-rt2800-fix-mt7620-E2-channel-registers.patch
new file mode 100644
index 0000000..284a347
--- /dev/null
+++ b/package/kernel/mac80211/patches/021-04-rt2800-fix-mt7620-E2-channel-registers.patch
@@ -0,0 +1,41 @@
+From c426cb0ed15ee12dfdc8c53ddd1449ac617023cf Mon Sep 17 00:00:00 2001
+From: Daniel Golle <daniel at makrotopia.org>
+Date: Tue, 18 Apr 2017 11:45:37 +0200
+Subject: [PATCH] rt2800: fix mt7620 E2 channel registers
+To: Stanislaw Gruszka <sgruszka at redhat.com>
+Cc: Helmut Schaa <helmut.schaa at googlemail.com>,
+    linux-wireless at vger.kernel.org,
+    Kalle Valo <kvalo at codeaurora.org>,
+    Tom Psyborg <pozega.tomislav at gmail.com>
+
+From: Tomislav Požega <pozega.tomislav at gmail.com>
+
+update RF register 47 and 54 values according to vendor driver
+
+Signed-off-by: Tomislav Požega <pozega.tomislav at gmail.com>
+Signed-off-by: Daniel Golle <daniel at makrotopia.org>
+---
+ drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 6 ++++--
+ 1 file changed, 4 insertions(+), 2 deletions(-)
+
+diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
+index 86cffee6876a..8585cdc3de53 100644
+--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
++++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
+@@ -8145,9 +8145,11 @@ static void rt2800_init_rfcsr_6352(struct rt2x00_dev *rt2x00dev)
+ 	rt2800_rfcsr_write_chanreg(rt2x00dev, 44, 0xB3);
+ 	rt2800_rfcsr_write_chanreg(rt2x00dev, 45, 0xD5);
+ 	rt2800_rfcsr_write_chanreg(rt2x00dev, 46, 0x27);
+-	rt2800_rfcsr_write_chanreg(rt2x00dev, 47, 0x69);
++	rt2800_rfcsr_write_bank(rt2x00dev, 4, 47, 0x67);
++	rt2800_rfcsr_write_bank(rt2x00dev, 6, 47, 0x69);
+ 	rt2800_rfcsr_write_chanreg(rt2x00dev, 48, 0xFF);
+-	rt2800_rfcsr_write_chanreg(rt2x00dev, 54, 0x20);
++	rt2800_rfcsr_write_bank(rt2x00dev, 4, 54, 0x27);
++	rt2800_rfcsr_write_bank(rt2x00dev, 6, 54, 0x20);
+ 	rt2800_rfcsr_write_chanreg(rt2x00dev, 55, 0x66);
+ 	rt2800_rfcsr_write_chanreg(rt2x00dev, 56, 0xFF);
+ 	rt2800_rfcsr_write_chanreg(rt2x00dev, 57, 0x1C);
+-- 
+2.12.2
+