From 3dd054cfe33c0ccc30aa0e3e6047e452e006f142 Mon Sep 17 00:00:00 2001 From: Joshua Wise Date: Thu, 4 Dec 2008 17:29:45 -0500 Subject: [PATCH 1/1] Don't necessarily wait for data. --- net/3c90x.c | 35 +++++++++++++++++++++++------------ 1 file changed, 23 insertions(+), 12 deletions(-) diff --git a/net/3c90x.c b/net/3c90x.c index 40edafe..46fe6f1 100644 --- a/net/3c90x.c +++ b/net/3c90x.c @@ -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 **/ -- 2.43.0