obsolete config in kernel source: USE_INTERNAL_TIMER

CONFIG_USE_INTERNAL_TIMER seems to be the remainings of some experiment.
It is explicitely #undef-ed as not working, only referenced from one
source file and rather aged.

Hereby cleaning it from the kernel tree.

Signed-off-by: Christoph Egger <siccegge@stud.informatik.uni-erlangen.de>
Acked-by: Roel Kluin <roel.kluin@gmail.com>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/irda/w83977af_ir.c b/drivers/net/irda/w83977af_ir.c
index 551810f..980625f 100644 (file)
--- a/drivers/net/irda/w83977af_ir.c
+++ b/drivers/net/irda/w83977af_ir.c
@@ -65,7 +65,6 @@
 #undef  CONFIG_NETWINDER_TX_DMA_PROBLEMS /* Not needed */
 #define CONFIG_NETWINDER_RX_DMA_PROBLEMS /* Must have this one! */
 #endif
-#undef  CONFIG_USE_INTERNAL_TIMER  /* Just cannot make that timer work */
 #define CONFIG_USE_W977_PNP        /* Currently needed */
 #define PIO_MAX_SPEED       115200 
 
@@ -533,25 +532,6 @@ static netdev_tx_t w83977af_hard_xmit(struct sk_buff *skb,
                self->tx_buff.len = skb->len;
                
                mtt = irda_get_mtt(skb);
-#ifdef CONFIG_USE_INTERNAL_TIMER
-               if (mtt > 50) {
-                       /* Adjust for timer resolution */
-                       mtt /= 1000+1;
-
-                       /* Setup timer */
-                       switch_bank(iobase, SET4);
-                       outb(mtt & 0xff, iobase+TMRL);
-                       outb((mtt >> 8) & 0x0f, iobase+TMRH);
-                       
-                       /* Start timer */
-                       outb(IR_MSL_EN_TMR, iobase+IR_MSL);
-                       self->io.direction = IO_XMIT;
-                       
-                       /* Enable timer interrupt */
-                       switch_bank(iobase, SET0);
-                       outb(ICR_ETMRI, iobase+ICR);
-               } else {
-#endif
                        IRDA_DEBUG(4, "%s(%ld), mtt=%d\n", __func__ , jiffies, mtt);
                        if (mtt)
                                udelay(mtt);
@@ -560,9 +540,6 @@ static netdev_tx_t w83977af_hard_xmit(struct sk_buff *skb,
                        switch_bank(iobase, SET0);
                        outb(ICR_EDMAI, iobase+ICR);
                        w83977af_dma_write(self, iobase);
-#ifdef CONFIG_USE_INTERNAL_TIMER
-               }
-#endif
        } else {
                self->tx_buff.data = self->tx_buff.head;
                self->tx_buff.len = async_wrap_skb(skb, self->tx_buff.data, 
@@ -876,20 +853,7 @@ static int w83977af_dma_receive_complete(struct w83977af_ir *self)
                        /* Check if we have transferred all data to memory */
                        switch_bank(iobase, SET0);
                        if (inb(iobase+USR) & USR_RDR) {
-#ifdef CONFIG_USE_INTERNAL_TIMER
-                               /* Put this entry back in fifo */
-                               st_fifo->head--;
-                               st_fifo->len++;
-                               st_fifo->entries[st_fifo->head].status = status;
-                               st_fifo->entries[st_fifo->head].len = len;
-                               
-                               /* Restore set register */
-                               outb(set, iobase+SSR);
-                       
-                               return FALSE;   /* I'll be back! */
-#else
                                udelay(80); /* Should be enough!? */
-#endif
                        }
                                                
                        skb = dev_alloc_skb(len+1);