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Subject[PATCH 2.5] : Wavelan Pcmcia update
From
        Hi Jeff,

Could you please push the following patch upstream ?
A few cleanups for the good old Wavelan Pcmcia driver. Tested
on 2.5.32 SMP.

Have fun...

Jean

----------------------------------------------------------

diff -u -p linux/drivers/net/wireless/wavelan_cs.p.25.h linux/drivers/net/wireless/wavelan_cs.p.h
--- linux/drivers/net/wireless/wavelan_cs.p.25.h Tue Sep 3 14:40:15 2002
+++ linux/drivers/net/wireless/wavelan_cs.p.h Wed Sep 4 15:28:34 2002
@@ -400,6 +400,12 @@
* o got rid of wavelan_ioctl()
* o use a bunch of iw_handler instead
*
+ * Changes made for release in 3.2.1 :
+ * ---------------------------------
+ * - Set dev->trans_start to avoid filling the logs
+ * (and generating useless abort commands)
+ * - Avoid deadlocks in mmc_out()/mmc_in()
+ *
* Wishes & dreams:
* ----------------
* - Cleanup and integrate the roaming code
diff -u -p linux/drivers/net/wireless/wavelan_cs.25.c linux/drivers/net/wireless/wavelan_cs.c
--- linux/drivers/net/wireless/wavelan_cs.25.c Tue Sep 3 14:40:05 2002
+++ linux/drivers/net/wireless/wavelan_cs.c Wed Sep 4 15:26:11 2002
@@ -282,9 +282,11 @@ mmc_out(u_long base,
u_short o,
u_char d)
{
+ int count = 0;
+
/* Wait for MMC to go idle */
- while(inb(HASR(base)) & HASR_MMI_BUSY)
- ;
+ while((count++ < 100) && (inb(HASR(base)) & HASR_MMI_BUSY))
+ udelay(10);

outb((u_char)((o << 1) | MMR_MMI_WR), MMR(base));
outb(d, MMD(base));
@@ -317,14 +319,16 @@ static inline u_char
mmc_in(u_long base,
u_short o)
{
- while(inb(HASR(base)) & HASR_MMI_BUSY)
- ;
+ int count = 0;
+
+ while((count++ < 100) && (inb(HASR(base)) & HASR_MMI_BUSY))
+ udelay(10);
outb(o << 1, MMR(base)); /* Set the read address */

outb(0, MMD(base)); /* Required dummy write */

- while(inb(HASR(base)) & HASR_MMI_BUSY)
- ;
+ while((count++ < 100) && (inb(HASR(base)) & HASR_MMI_BUSY))
+ udelay(10);
return (u_char) (inb(MMD(base))); /* Now do the actual read */
}

@@ -3581,6 +3585,9 @@ wv_packet_write(device * dev,
/* Send the transmit command */
wv_82593_cmd(dev, "wv_packet_write(): transmit",
OP0_TRANSMIT, SR0_NO_RESULT);
+
+ /* Make sure the watchdog will keep quiet for a while */
+ dev->trans_start = jiffies;

/* Keep stats up to date */
lp->stats.tx_bytes += length;
-
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