]> Joshua Wise's Git repositories - netwatch.git/commitdiff
Don't necessarily wait for data.
authorJoshua Wise <joshua@shebang.joshuawise.com>
Thu, 4 Dec 2008 22:29:45 +0000 (17:29 -0500)
committerJoshua Wise <joshua@shebang.joshuawise.com>
Thu, 4 Dec 2008 22:29:45 +0000 (17:29 -0500)
net/3c90x.c

index 40edafecd7653c2d39073f1fc9638cde5bbb6d5b..46fe6f121546a9d3ce470daa0434b1d6725a4dce 100644 (file)
@@ -477,6 +477,21 @@ a3c90x_transmit(unsigned int size, const char *pkt)
 {
        unsigned char status;
        unsigned int i, retries;
+       static unsigned int stillwaiting = 0;
+
+       if (stillwaiting)
+       {
+               while (!(inw(INF_3C90X.IOAddr + regCommandIntStatus_w) & INT_TXCOMPLETE) && oneshot_running())
+                       ;
+               if (!(inw(INF_3C90X.IOAddr + regCommandIntStatus_w) & INT_TXCOMPLETE))
+               {
+                       outputf("3c90x: tx timeout? txstat %02x", inb(INF_3C90X.IOAddr + regTxStatus_b));
+                       outputf("3c90x: Gen sts %04x", inw(INF_3C90X.IOAddr + regCommandIntStatus_w));
+               }
+               status = inb(INF_3C90X.IOAddr + regTxStatus_b);
+               outb(INF_3C90X.IOAddr + regTxStatus_b, 0x00);
+               stillwaiting = 0;
+       }
 
        for (retries=0; retries < XMIT_RETRIES; retries++)
        {
@@ -496,25 +511,20 @@ a3c90x_transmit(unsigned int size, const char *pkt)
                outl(INF_3C90X.IOAddr + regDnListPtr_l, v2p(&(INF_3C90X.TransmitDPD)));
                _issue_command(INF_3C90X.IOAddr, cmdStallCtl, 3 /* Unstall download */);
                
-               oneshot_start_ms(100);
+               oneshot_start_ms(10);
                while((inl(INF_3C90X.IOAddr + regDnListPtr_l) != 0) && oneshot_running())
                        ;
                if (!oneshot_running())
-                       outputf("3c90x: Download engine pointer timeout");
-
-               oneshot_start_ms(10);   /* Give it 10 ms */
-               while (!(inw(INF_3C90X.IOAddr + regCommandIntStatus_w) & INT_TXCOMPLETE) && oneshot_running())
-                       ;
-
-               if (!(inw(INF_3C90X.IOAddr + regCommandIntStatus_w) & INT_TXCOMPLETE))
                {
-                       outputf("3c90x: tx timeout? txstat %02x", inb(INF_3C90X.IOAddr + regTxStatus_b));
-                       outputf("3c90x: Gen sts %04x", inw(INF_3C90X.IOAddr + regCommandIntStatus_w));
+                       outputf("3c90x: Download engine pointer timeout");
                        continue;
                }
-               status = inb(INF_3C90X.IOAddr + regTxStatus_b);
-               outb(INF_3C90X.IOAddr + regTxStatus_b, 0x00);
+
+               oneshot_start_ms(10);
+               stillwaiting = 1;
+               break;
                
+#if 0          
                /** successful completion (sans "interrupt Requested" bit) **/
                if ((status & 0xbf) == 0x80)
                        return;
@@ -545,6 +555,7 @@ a3c90x_transmit(unsigned int size, const char *pkt)
                        outputf("3c90x: Internal Error - Incomplete Transmission (%hhX)", status);
                        a3c90x_reset();
                }
+#endif
        }
 
        /** failed after RETRY attempts **/
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