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NET: sa11x0-ir: get rid of si->hscr0

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si->hscr0 is initialized to zero, and never changed.  Get rid of this
redundant variable.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2012-01-08 20:49:28 +00:00
parent 26f2bee1a3
commit 6a7f4911a4
1 changed files with 5 additions and 8 deletions
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13
drivers/net/irda/sa1100_ir.c
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@ -50,7 +50,6 @@ struct sa1100_buf {
};
struct sa1100_irda {
unsigned char hscr0;
unsigned char utcr4;
unsigned char power;
unsigned char open;
@ -124,14 +123,14 @@ static void sa1100_irda_rx_dma_start(struct sa1100_irda *si)
/*
* First empty receive FIFO
*/
Ser2HSCR0 = si->hscr0 | HSCR0_HSSP;
Ser2HSCR0 = HSCR0_HSSP;
/*
* Enable the DMA, receiver and receive interrupt.
*/
sa1100_clear_dma(si->dma_rx.regs);
sa1100_start_dma(si->dma_rx.regs, si->dma_rx.dma, HPSIR_MAX_RXLEN);
Ser2HSCR0 = si->hscr0 | HSCR0_HSSP | HSCR0_RXE;
Ser2HSCR0 = HSCR0_HSSP | HSCR0_RXE;
}
static void sa1100_irda_check_speed(struct sa1100_irda *si)
@ -338,7 +337,7 @@ static int sa1100_irda_fir_tx_start(struct sk_buff *skb, struct net_device *dev,
if (mtt)
udelay(mtt);
Ser2HSCR0 = si->hscr0 | HSCR0_HSSP | HSCR0_TXE;
Ser2HSCR0 = HSCR0_HSSP | HSCR0_TXE;
return NETDEV_TX_OK;
}
@ -440,7 +439,7 @@ static irqreturn_t sa1100_irda_fir_irq(struct net_device *dev, struct sa1100_ird
/*
* Clear out the DMA...
*/
Ser2HSCR0 = si->hscr0 | HSCR0_HSSP;
Ser2HSCR0 = HSCR0_HSSP;
/*
* Clear selected status bits now, so we
@ -513,10 +512,8 @@ static int sa1100_irda_set_speed(struct sa1100_irda *si, int speed)
case 4000000:
local_irq_save(flags);
si->hscr0 = 0;
Ser2HSSR0 = 0xff;
Ser2HSCR0 = si->hscr0 | HSCR0_HSSP;
Ser2HSCR0 = HSCR0_HSSP;
Ser2UTCR3 = 0;
si->speed = speed;