From 6a7f4911a470fede7d40746487fb1e4a95657efd Mon Sep 17 00:00:00 2001
From: Russell King <rmk+kernel@arm.linux.org.uk>
Date: Sun, 8 Jan 2012 20:49:28 +0000
Subject: [PATCH] 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>
---
drivers/net/irda/sa1100_ir.c | 13 +++++--------
1 file changed, 5 insertions(+), 8 deletions(-)
diff --git a/drivers/net/irda/sa1100_ir.c b/drivers/net/irda/sa1100_ir.c
index 0b5a2e2a7be454..d428dd0a8bcee8 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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