mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-16 17:23:55 +08:00
b43: fix logic in GPIO init
Add some comments by the way Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
parent
c263c2c1ad
commit
828afd26fe
@ -2719,32 +2719,37 @@ static int b43_gpio_init(struct b43_wldev *dev)
|
||||
if (dev->dev->chip_id == 0x4301) {
|
||||
mask |= 0x0060;
|
||||
set |= 0x0060;
|
||||
} else if (dev->dev->chip_id == 0x5354) {
|
||||
/* Don't allow overtaking buttons GPIOs */
|
||||
set &= 0x2; /* 0x2 is LED GPIO on BCM5354 */
|
||||
}
|
||||
if (dev->dev->chip_id == 0x5354)
|
||||
set &= 0xff02;
|
||||
|
||||
if (0 /* FIXME: conditional unknown */ ) {
|
||||
b43_write16(dev, B43_MMIO_GPIO_MASK,
|
||||
b43_read16(dev, B43_MMIO_GPIO_MASK)
|
||||
| 0x0100);
|
||||
mask |= 0x0180;
|
||||
set |= 0x0180;
|
||||
/* BT Coexistance Input */
|
||||
mask |= 0x0080;
|
||||
set |= 0x0080;
|
||||
/* BT Coexistance Out */
|
||||
mask |= 0x0100;
|
||||
set |= 0x0100;
|
||||
}
|
||||
if (dev->dev->bus_sprom->boardflags_lo & B43_BFL_PACTRL) {
|
||||
/* PA is controlled by gpio 9, let ucode handle it */
|
||||
b43_write16(dev, B43_MMIO_GPIO_MASK,
|
||||
b43_read16(dev, B43_MMIO_GPIO_MASK)
|
||||
| 0x0200);
|
||||
mask |= 0x0200;
|
||||
set |= 0x0200;
|
||||
}
|
||||
if (dev->dev->core_rev >= 2)
|
||||
mask |= 0x0010; /* FIXME: This is redundant. */
|
||||
|
||||
switch (dev->dev->bus_type) {
|
||||
#ifdef CONFIG_B43_BCMA
|
||||
case B43_BUS_BCMA:
|
||||
bcma_cc_write32(&dev->dev->bdev->bus->drv_cc, BCMA_CC_GPIOCTL,
|
||||
(bcma_cc_read32(&dev->dev->bdev->bus->drv_cc,
|
||||
BCMA_CC_GPIOCTL) & mask) | set);
|
||||
BCMA_CC_GPIOCTL) & ~mask) | set);
|
||||
break;
|
||||
#endif
|
||||
#ifdef CONFIG_B43_SSB
|
||||
@ -2753,7 +2758,7 @@ static int b43_gpio_init(struct b43_wldev *dev)
|
||||
if (gpiodev)
|
||||
ssb_write32(gpiodev, B43_GPIO_CONTROL,
|
||||
(ssb_read32(gpiodev, B43_GPIO_CONTROL)
|
||||
& mask) | set);
|
||||
& ~mask) | set);
|
||||
break;
|
||||
#endif
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user