From 4f5af6eb3d17f8e343597ea99d97eb2f2905b2fb Mon Sep 17 00:00:00 2001 From: Ivo van Doorn Date: Sat, 6 Oct 2007 14:16:30 +0200 Subject: [PATCH] rt2x00: Small optimizations Make some small optimizations by removing some simple if-statements. Signed-off-by: Ivo van Doorn Signed-off-by: John W. Linville --- drivers/net/wireless/rt2x00/rt73usb.c | 19 +++++++++---------- 1 file changed, 9 insertions(+), 10 deletions(-) (limited to 'drivers/net/wireless/rt2x00/rt73usb.c') diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c index 4a78ca79c94..9e1bf4d77e1 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); } -- cgit v1.2.3-70-g09d2