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>

diff --git a/drivers/net/irda/sa1100_ir.c b/drivers/net/irda/sa1100_ir.c
index 0b5a2e2..d428dd0 100644 (file)
--- 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;