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rt2x00: Simplify rt2x00_check_rev 

rt2x00_check_rev() was too specific for rt2500usb and rt73usb,
by adding the mask argument (instead of hardcoding it into
the function itself) we can use the function in rt2800usb as
well.

v2: Fix revision mask for rt2800usb

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Ivo van Doorn 2009-05-05 19:46:08 +02:00 committed by John W. Linville
parent 6cfe62cd58
commit 358623c22c
4 changed files with 10 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/wireless/rt2x00/rt2500usb.c
View File

@ -1559,7 +1559,7 @@ static int rt2500usb_init_eeprom(struct rt2x00_dev *rt2x00dev)
rt2500usb_register_read(rt2x00dev, MAC_CSR0, &reg);
rt2x00_set_chip(rt2x00dev, RT2570, value, reg);
if (!rt2x00_check_rev(&rt2x00dev->chip, 0)) {
if (!rt2x00_check_rev(&rt2x00dev->chip, 0x000ffff0, 0)) {
ERROR(rt2x00dev, "Invalid RT chipset detected.\n");
return -ENODEV;
}

7
drivers/net/wireless/rt2x00/rt2800usb.c
View File

@ -2348,9 +2348,10 @@ static int rt2800usb_init_eeprom(struct rt2x00_dev *rt2x00dev)
* The check for rt2860 is not a typo, some rt2870 hardware
* identifies itself as rt2860 in the CSR register.
*/
if ((rt2x00_get_field32(reg, MAC_CSR0_ASIC_VER) != 0x2860) &&
(rt2x00_get_field32(reg, MAC_CSR0_ASIC_VER) != 0x2870) &&
(rt2x00_get_field32(reg, MAC_CSR0_ASIC_VER) != 0x3070)) {
if (!rt2x00_check_rev(&rt2x00dev->chip, 0xfff00000, 0x28600000) &&
!rt2x00_check_rev(&rt2x00dev->chip, 0xfff00000, 0x28700000) &&
!rt2x00_check_rev(&rt2x00dev->chip, 0xfff00000, 0x28800000) &&
!rt2x00_check_rev(&rt2x00dev->chip, 0xffff0000, 0x30700000)) {
ERROR(rt2x00dev, "Invalid RT chipset detected.\n");
return -ENODEV;
}

7
drivers/net/wireless/rt2x00/rt2x00.h
View File

@ -915,11 +915,10 @@ static inline u32 rt2x00_rev(const struct rt2x00_chip *chipset)
return chipset->rev;
}
static inline u16 rt2x00_check_rev(const struct rt2x00_chip *chipset,
const u32 rev)
static inline bool rt2x00_check_rev(const struct rt2x00_chip *chipset,
const u32 mask, const u32 rev)
{
return (((chipset->rev & 0xffff0) == rev) &&
!!(chipset->rev & 0x0000f));
return ((chipset->rev & mask) == rev);
}
/**

3
drivers/net/wireless/rt2x00/rt73usb.c
View File

@ -1846,7 +1846,8 @@ static int rt73usb_init_eeprom(struct rt2x00_dev *rt2x00dev)
rt2x00usb_register_read(rt2x00dev, MAC_CSR0, &reg);
rt2x00_set_chip(rt2x00dev, RT2571, value, reg);
if (!rt2x00_check_rev(&rt2x00dev->chip, 0x25730)) {
if (!rt2x00_check_rev(&rt2x00dev->chip, 0x000ffff0, 0x25730) ||
!rt2x00_check_rev(&rt2x00dev->chip, 0x0000000f, 0)) {
ERROR(rt2x00dev, "Invalid RT chipset detected.\n");
return -ENODEV;
}