Date: Thu, 14 Dec 2000 09:15:45 -0800 (PST) From: harashi@cx.airnet.ne.jp To: freebsd-gnats-submit@FreeBSD.org Subject: kern/23546: [PATCH] csa DMA-interrupt problem Message-ID: <200012141715.eBEHFjb05491@freefall.freebsd.org> Resent-Message-ID: <200012141720.eBEHK1t05942@freefall.freebsd.org>
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>Number: 23546 >Category: kern >Synopsis: [PATCH] csa DMA-interrupt problem >Confidential: no >Severity: non-critical >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Thu Dec 14 09:20:01 PST 2000 >Closed-Date: >Last-Modified: >Originator: HARASHINO Makoto >Release: FreeBSD 4.2-STABLE >Organization: >Environment: FreeBSD Audio Driver (newpcm) Dec 9 2000 22:40:02 Installed devices: pcm0: <CS461x PCM Audio> at irq 9 (1p/1r channels duplex) >Description: I'm using a CS4280 (compat CS461x) sound card. And, csa pcm driver doesn't trigger DMA-interrupt. >How-To-Repeat: Anytime. >Fix: Apply patch included below. diff -ru sound.orig/pci/csa.c sound/pci/csa.c --- sound.orig/pci/csa.c Fri Oct 6 03:11:24 2000 +++ sound/pci/csa.c Sat Dec 9 22:35:22 2000 @@ -297,8 +297,8 @@ return (EINVAL); } *cookiep = scp; - if ((csa_readio(resp, BA0_HISR) & HISR_INTENA) == 0) - csa_writeio(resp, BA0_HICR, HICR_IEV | HICR_CHGM); + /* if ((csa_readio(resp, BA0_HISR) & HISR_INTENA) == 0) */ + csa_writeio(resp, BA0_HICR, HICR_IEV | HICR_CHGM); return (0); } >Release-Note: >Audit-Trail: >Unformatted: X-Send-Pr-Version: www-1.0 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message
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