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[PATCH] rt2x00: Small optimizations

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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>
This commit is contained in:
Ivo van Doorn 2007-10-06 14:16:30 +02:00 committed by David S. Miller
parent 5cbf830e13
commit 4f5af6eb3d
3 changed files with 13 additions and 18 deletions
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6
drivers/net/wireless/rt2x00/rt2500usb.c
View File

@ -326,10 +326,8 @@ static void rt2500usb_config_rate(struct rt2x00_dev *rt2x00dev, const int rate)
rt2500usb_register_write(rt2x00dev, TXRX_CSR1, reg);
rt2500usb_register_read(rt2x00dev, TXRX_CSR10, &reg);
if (preamble == SHORT_PREAMBLE)
rt2x00_set_field16(&reg, TXRX_CSR10_AUTORESPOND_PREAMBLE, 1);
else
rt2x00_set_field16(&reg, TXRX_CSR10_AUTORESPOND_PREAMBLE, 0);
rt2x00_set_field16(&reg, TXRX_CSR10_AUTORESPOND_PREAMBLE,
(preamble == SHORT_PREAMBLE));
rt2500usb_register_write(rt2x00dev, TXRX_CSR10, reg);
}

6
drivers/net/wireless/rt2x00/rt61pci.c
View File

@ -357,10 +357,8 @@ static void rt61pci_config_rate(struct rt2x00_dev *rt2x00dev, const int rate)
rt2x00pci_register_write(rt2x00dev, TXRX_CSR0, reg);
rt2x00pci_register_read(rt2x00dev, TXRX_CSR4, &reg);
if (preamble == SHORT_PREAMBLE)
rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_PREAMBLE, 1);
else
rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_PREAMBLE, 0);
rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_PREAMBLE,
(preamble == SHORT_PREAMBLE));
rt2x00pci_register_write(rt2x00dev, TXRX_CSR4, reg);
}

19
drivers/net/wireless/rt2x00/rt73usb.c
View File

@ -195,12 +195,13 @@ static void rt73usb_rf_write(const struct rt2x00_dev *rt2x00dev,
reg = 0;
rt2x00_set_field32(&reg, PHY_CSR4_VALUE, value);
if (rt2x00_rf(&rt2x00dev->chip, RF5225) ||
rt2x00_rf(&rt2x00dev->chip, RF2527))
rt2x00_set_field32(&reg, PHY_CSR4_NUMBER_OF_BITS, 21);
else
rt2x00_set_field32(&reg, PHY_CSR4_NUMBER_OF_BITS, 20);
/*
* RF5225 and RF2527 contain 21 bits per RF register value,
* all others contain 20 bits.
*/
rt2x00_set_field32(&reg, PHY_CSR4_NUMBER_OF_BITS,
20 + !!(rt2x00_rf(&rt2x00dev->chip, RF5225) ||
rt2x00_rf(&rt2x00dev->chip, RF2527)));
rt2x00_set_field32(&reg, PHY_CSR4_IF_SELECT, 0);
rt2x00_set_field32(&reg, 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, &reg);
if (preamble == SHORT_PREAMBLE)
rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_PREAMBLE, 1);
else
rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_PREAMBLE, 0);
rt2x00_set_field32(&reg, TXRX_CSR4_AUTORESPOND_PREAMBLE,
(preamble == SHORT_PREAMBLE));
rt73usb_register_write(rt2x00dev, TXRX_CSR4, reg);
}