diff options
| author |   Ivo van Doorn <ivdoorn@gmail.com> | 2007-10-06 14:16:30 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@sunset.davemloft.net> | 2007-10-10 16:55:15 -0700 |
| commit | 4f5af6eb3d17f8e343597ea99d97eb2f2905b2fb (patch) | |
| tree | 7c35cacd6167c90a8846da2c04f64e56c8fd1f9f /drivers/net/wireless/rt2x00/rt73usb.c | |
| parent | [PATCH] rt2x00: Pass dev_state to rt2x00lib_toggle_rx (diff) | |
| download | linux-dev-4f5af6eb3d17f8e343597ea99d97eb2f2905b2fb.tar.xz linux-dev-4f5af6eb3d17f8e343597ea99d97eb2f2905b2fb.zip | |
[PATCH] rt2x00: Small optimizations
Make some small optimizations by removing
some simple if-statements.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt73usb.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c index 4a78ca79c94a..9e1bf4d77e10 100644 --- a/drivers/net/wireless/rt2x00/rt73usb.c +++ b/drivers/net/wireless/rt2x00/rt73usb.c @@ -195,12 +195,13 @@ rf_write: reg = 0; rt2x00_set_field32(®, PHY_CSR4_VALUE, value); - if (rt2x00_rf(&rt2x00dev->chip, RF5225) || - rt2x00_rf(&rt2x00dev->chip, RF2527)) - rt2x00_set_field32(®, PHY_CSR4_NUMBER_OF_BITS, 21); - else - rt2x00_set_field32(®, PHY_CSR4_NUMBER_OF_BITS, 20); - + /* + * RF5225 and RF2527 contain 21 bits per RF register value, + * all others contain 20 bits. + */ + rt2x00_set_field32(®, PHY_CSR4_NUMBER_OF_BITS, + 20 + !!(rt2x00_rf(&rt2x00dev->chip, RF5225) || + rt2x00_rf(&rt2x00dev->chip, RF2527))); rt2x00_set_field32(®, PHY_CSR4_IF_SELECT, 0); rt2x00_set_field32(®, PHY_CSR4_BUSY, 1); @@ -331,10 +332,8 @@ static void rt73usb_config_rate(struct rt2x00_dev *rt2x00dev, const int rate) rt73usb_register_write(rt2x00dev, TXRX_CSR0, reg); rt73usb_register_read(rt2x00dev, TXRX_CSR4, ®); - if (preamble == SHORT_PREAMBLE) - rt2x00_set_field32(®, TXRX_CSR4_AUTORESPOND_PREAMBLE, 1); - else - rt2x00_set_field32(®, TXRX_CSR4_AUTORESPOND_PREAMBLE, 0); + rt2x00_set_field32(®, TXRX_CSR4_AUTORESPOND_PREAMBLE, + (preamble == SHORT_PREAMBLE)); rt73usb_register_write(rt2x00dev, TXRX_CSR4, reg); } |