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authorRussell King <rmk+kernel@arm.linux.org.uk>2012-01-08 20:49:28 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2012-02-09 15:37:56 +0000
commit6a7f4911a470fede7d40746487fb1e4a95657efd (patch)
treee6f44767ca7341a0572b23e52f417a698be3f157 /drivers/net/irda
parent26f2bee1a3063ddd89f76a75b99adb32636f3513 (diff)
downloadblackbird-op-linux-6a7f4911a470fede7d40746487fb1e4a95657efd.tar.gz
blackbird-op-linux-6a7f4911a470fede7d40746487fb1e4a95657efd.zip
NET: sa11x0-ir: get rid of si->hscr0
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>
Diffstat (limited to 'drivers/net/irda')
-rw-r--r--drivers/net/irda/sa1100_ir.c13
1 files changed, 5 insertions, 8 deletions
diff --git a/drivers/net/irda/sa1100_ir.c b/drivers/net/irda/sa1100_ir.c
index 0b5a2e2a7be4..d428dd0a8bce 100644
--- a/drivers/net/irda/sa1100_ir.c
+++ b/drivers/net/irda/sa1100_ir.c
@@ -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;
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