diff options
| author | Rafał Miłecki <zajec5@gmail.com> | 2014-08-07 07:45:37 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2014-08-25 16:00:42 -0400 |
| commit | 25c15566635fef86e87f762f73a19f24598e45fa (patch) | |
| tree | 553e99060b077c95aa0096b1351e480219ccbfa5 /drivers/net/wireless/b43/b43.h | |
| parent | d342b95dd735014a590f9051b1ba227eb54ca8f6 (diff) | |
b43: flush some writes on Broadcom MIPS SoCs
Access to PHY and radio registers is indirect on Broadcom hardware and
it seems that addressing on some MIPS SoCs may require flushing. So far
this problem was noticed on 0x4716 SoC only (marketing names: BCM4717,
BCM4718).
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/b43/b43.h')
| -rw-r--r-- | drivers/net/wireless/b43/b43.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/net/wireless/b43/b43.h b/drivers/net/wireless/b43/b43.h index 4113b6934764..9b2d0c9bfb8e 100644 --- a/drivers/net/wireless/b43/b43.h +++ b/drivers/net/wireless/b43/b43.h @@ -1012,6 +1012,16 @@ static inline void b43_write16(struct b43_wldev *dev, u16 offset, u16 value) dev->dev->write16(dev->dev, offset, value); } +/* To optimize this check for flush_writes on BCM47XX_BCMA only. */ +static inline void b43_write16f(struct b43_wldev *dev, u16 offset, u16 value) +{ + b43_write16(dev, offset, value); +#if defined(CONFIG_BCM47XX_BCMA) + if (dev->dev->flush_writes) + b43_read16(dev, offset); +#endif +} + static inline void b43_maskset16(struct b43_wldev *dev, u16 offset, u16 mask, u16 set) { |