lguest: fix ugly <NULL> in /proc/interrupts

[linux-2.6-omap-h63xx.git] / drivers / net / irda / stir4200.c

diff --git a/drivers/net/irda/stir4200.c b/drivers/net/irda/stir4200.c
index 042bc2f0417d8615318bffc479d7d0614b547401..0519637827497c0e3e978a09ac5b0628df0d7ba3 100644 (file)
--- a/drivers/net/irda/stir4200.c
+++ b/drivers/net/irda/stir4200.c
@@ -142,9 +142,6 @@ enum StirCtrl2Mask {
 };
 
 enum StirFifoCtlMask {
-       FIFOCTL_EOF = 0x80,
-       FIFOCTL_UNDER = 0x40,
-       FIFOCTL_OVER = 0x20,
        FIFOCTL_DIR = 0x10,
        FIFOCTL_CLR = 0x08,
        FIFOCTL_EMPTY = 0x04,
@@ -332,7 +329,7 @@ static void fir_eof(struct stir_cb *stir)
        }
 
        fcs = ~(crc32_le(~0, rx_buff->data, len));
-       if (fcs != le32_to_cpu(get_unaligned((__le32 *)(rx_buff->data+len)))) {
+       if (fcs != get_unaligned_le32(rx_buff->data + len)) {
                pr_debug("crc error calc 0x%x len %d\n", fcs, len);
                stir->stats.rx_errors++;
                stir->stats.rx_crc_errors++;
@@ -594,9 +591,10 @@ static int fifo_txwait(struct stir_cb *stir, int space)
 {
        int err;
        unsigned long count, status;
+       unsigned long prev_count = 0x1fff;
 
        /* Read FIFO status and count */
-       for(;;) {
+       for (;; prev_count = count) {
                err = read_reg(stir, REG_FIFOCTL, stir->fifo_status, 
                                   FIFO_REGS_SIZE);
                if (unlikely(err != FIFO_REGS_SIZE)) {
@@ -629,6 +627,10 @@ static int fifo_txwait(struct stir_cb *stir, int space)
                if (space >= 0 && STIR_FIFO_SIZE - 4 > space + count)
                        return 0;
 
+               /* queue confused */
+               if (prev_count < count)
+                       break;
+
                /* estimate transfer time for remaining chars */
                msleep((count * 8000) / stir->speed);
        }