2013-10-12 15:30:10

by Kevin Lo

[permalink] [raw]
Subject: [PATCH v2] rt2x00: rt2800lib: fix RF registers for RT5390/RT5392

Update rf registers to use the same values that the MediaTek/Ralink
reference driver DPO_RT5572_LinuxSTA_2.6.1.3_20121022 uses.

References:
RF5390RegTable in chips/rt5390.c
RF5392RegTable in chips/rt5390.c

Tested on TP-Link TL-WN727N and D-Link DWA-140 Rev.b3 usb wifi dongles.

Signed-off-by: Kevin Lo <[email protected]>
Acked-by: Stanislaw Gruszka <[email protected]>
---
Changes since v1:
- the previous patch was malformed
- add Stanislaw's Acked-by tag
---

diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index a114cab..373efde 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -6476,7 +6476,7 @@ static void rt2800_init_rfcsr_5390(struct rt2x00_dev *rt2x00dev)
rt2800_rfcsr_write(rt2x00dev, 28, 0x00);
rt2800_rfcsr_write(rt2x00dev, 29, 0x10);

- rt2800_rfcsr_write(rt2x00dev, 30, 0x00);
+ rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
rt2800_rfcsr_write(rt2x00dev, 32, 0x80);
rt2800_rfcsr_write(rt2x00dev, 33, 0x00);
@@ -6514,7 +6514,7 @@ static void rt2800_init_rfcsr_5390(struct rt2x00_dev *rt2x00dev)
rt2800_rfcsr_write(rt2x00dev, 56, 0x22);
rt2800_rfcsr_write(rt2x00dev, 57, 0x80);
rt2800_rfcsr_write(rt2x00dev, 58, 0x7f);
- rt2800_rfcsr_write(rt2x00dev, 59, 0x63);
+ rt2800_rfcsr_write(rt2x00dev, 59, 0x8f);

rt2800_rfcsr_write(rt2x00dev, 60, 0x45);
if (rt2x00_rt_rev_gte(rt2x00dev, RT5390, REV_RT5390F))
@@ -6534,7 +6534,6 @@ static void rt2800_init_rfcsr_5392(struct rt2x00_dev *rt2x00dev)
rt2800_rf_init_calibration(rt2x00dev, 2);

rt2800_rfcsr_write(rt2x00dev, 1, 0x17);
- rt2800_rfcsr_write(rt2x00dev, 2, 0x80);
rt2800_rfcsr_write(rt2x00dev, 3, 0x88);
rt2800_rfcsr_write(rt2x00dev, 5, 0x10);
rt2800_rfcsr_write(rt2x00dev, 6, 0xe0);