/* Time in jiffies before concluding the transmitter is hung. */
#define TX_TIMEOUT (6*HZ)
-#define DE_UNALIGNED_16(a) (u16)(get_unaligned((u16 *)(a)))
-
/* This is a mysterious value that can be written to CSR11 in the 21040 (only)
to support a pre-NWay full-duplex signaling mechanism using short frames.
No one knows what it should be, but if left at its default value some
static void de_stop_rxtx (struct de_private *de)
{
u32 macmode;
- unsigned int work = 1000;
+ unsigned int i = 1300/100;
macmode = dr32(MacMode);
if (macmode & RxTx) {
dr32(MacMode);
}
- while (--work > 0) {
+ /* wait until in-flight frame completes.
+ * Max time @ 10BT: 1500*8b/10Mbps == 1200us (+ 100us margin)
+ * Typically expect this loop to end in < 50 us on 100BT.
+ */
+ while (--i) {
if (!de_is_running(de))
return;
- cpu_relax();
+ udelay(100);
}
printk(KERN_WARNING "%s: timeout expired stopping DMA\n", de->dev->name);
goto bad_srom;
/* get default media type */
- switch (DE_UNALIGNED_16(&il->default_media)) {
+ switch (get_unaligned(&il->default_media)) {
case 0x0001: de->media_type = DE_MEDIA_BNC; break;
case 0x0002: de->media_type = DE_MEDIA_AUI; break;
case 0x0204: de->media_type = DE_MEDIA_TP_FD; break;
bufp += sizeof (ib->opts);
if (ib->opts & MediaCustomCSRs) {
- de->media[idx].csr13 = DE_UNALIGNED_16(&ib->csr13);
- de->media[idx].csr14 = DE_UNALIGNED_16(&ib->csr14);
- de->media[idx].csr15 = DE_UNALIGNED_16(&ib->csr15);
+ de->media[idx].csr13 = get_unaligned(&ib->csr13);
+ de->media[idx].csr14 = get_unaligned(&ib->csr14);
+ de->media[idx].csr15 = get_unaligned(&ib->csr15);
bufp += sizeof(ib->csr13) + sizeof(ib->csr14) +
sizeof(ib->csr15);