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rt2x00: Correct initial value of US_CYC_CNT register for pcie interface

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CLOCK CYCLE: Clock cycle count in 1us
PCI:0x21, PCIE:0x7d, USB:0x1e

Signed-off-by: RA-Jay Hung <jay_hung@ralinktech.com>
Acked-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
RA-Jay Hung 2011-01-30 13:21:22 +01:00 committed by John W. Linville
parent b550911abc
commit c6fcc0e5f7
2 changed files with 8 additions and 0 deletions
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4
drivers/net/wireless/rt2x00/rt2800.h
View file

@ -372,8 +372,12 @@
/*
* US_CYC_CNT
* BT_MODE_EN: Bluetooth mode enable
* CLOCK CYCLE: Clock cycle count in 1us.
* PCI:0x21, PCIE:0x7d, USB:0x1e
*/
#define US_CYC_CNT 0x02a4
#define US_CYC_CNT_BT_MODE_EN FIELD32(0x00000100)
#define US_CYC_CNT_CLOCK_CYCLE FIELD32(0x000000ff)
/*

4
drivers/net/wireless/rt2x00/rt2800lib.c
View file

@ -2207,6 +2207,10 @@ static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev)
rt2800_register_read(rt2x00dev, US_CYC_CNT, &reg);
rt2x00_set_field32(&reg, US_CYC_CNT_CLOCK_CYCLE, 30);
rt2800_register_write(rt2x00dev, US_CYC_CNT, reg);
} else if (rt2x00_is_pcie(rt2x00dev)) {
rt2800_register_read(rt2x00dev, US_CYC_CNT, &reg);
rt2x00_set_field32(&reg, US_CYC_CNT_CLOCK_CYCLE, 125);
rt2800_register_write(rt2x00dev, US_CYC_CNT, reg);
}
rt2800_register_read(rt2x00dev, HT_FBK_CFG0, &reg);