From c6fcc0e5f72ef6ad61e1d58cf99e27661ee206e4 Mon Sep 17 00:00:00 2001 From: RA-Jay Hung Date: Sun, 30 Jan 2011 13:21:22 +0100 Subject: [PATCH] rt2x00: Correct initial value of US_CYC_CNT register for pcie interface CLOCK CYCLE: Clock cycle count in 1us PCI:0x21, PCIE:0x7d, USB:0x1e Signed-off-by: RA-Jay Hung Acked-by: Helmut Schaa Signed-off-by: Ivo van Doorn Signed-off-by: John W. Linville --- drivers/net/wireless/rt2x00/rt2800.h | 4 ++++ drivers/net/wireless/rt2x00/rt2800lib.c | 4 ++++ 2 files changed, 8 insertions(+) diff --git a/drivers/net/wireless/rt2x00/rt2800.h b/drivers/net/wireless/rt2x00/rt2800.h index c7e615cebac..ec8159ce0ee 100644 --- a/drivers/net/wireless/rt2x00/rt2800.h +++ b/drivers/net/wireless/rt2x00/rt2800.h @@ -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) /* diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c index 4753fb1b0aa..4c34fceaec1 100644 --- a/drivers/net/wireless/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/rt2x00/rt2800lib.c @@ -2207,6 +2207,10 @@ static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev) rt2800_register_read(rt2x00dev, US_CYC_CNT, ®); rt2x00_set_field32(®, 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, ®); + rt2x00_set_field32(®, US_CYC_CNT_CLOCK_CYCLE, 125); + rt2800_register_write(rt2x00dev, US_CYC_CNT, reg); } rt2800_register_read(rt2x00dev, HT_FBK_CFG0, ®); -- 2.20.1