Date: Sun, 22 Jan 2017 17:24:00 +0000 (UTC) From: Luiz Otavio O Souza <loos@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r312637 - head/sys/arm/ti/cpsw Message-ID: <201701221724.v0MHO0HX035792@repo.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: loos Date: Sun Jan 22 17:24:00 2017 New Revision: 312637 URL: https://svnweb.freebsd.org/changeset/base/312637 Log: Be a little more pedantic here, the TRM says the hardware is supposed to only clean the OWNER bit on SOP descriptors. MFC after: 3 days Sponsored by: Rubicon Communications, LLC (Netgate) Modified: head/sys/arm/ti/cpsw/if_cpsw.c Modified: head/sys/arm/ti/cpsw/if_cpsw.c ============================================================================== --- head/sys/arm/ti/cpsw/if_cpsw.c Sun Jan 22 17:07:37 2017 (r312636) +++ head/sys/arm/ti/cpsw/if_cpsw.c Sun Jan 22 17:24:00 2017 (r312637) @@ -1981,7 +1981,8 @@ cpsw_tx_dequeue(struct cpsw_softc *sc) sc->tx.teardown = 1; } - if ((flags & CPDMA_BD_OWNER) != 0 && sc->tx.teardown == 0) + if ((flags & (CPDMA_BD_SOP | CPDMA_BD_OWNER)) == + (CPDMA_BD_SOP | CPDMA_BD_OWNER) && sc->tx.teardown == 0) break; /* Hardware is still using this packet. */ bus_dmamap_sync(sc->mbuf_dtag, slot->dmamap, BUS_DMASYNC_POSTWRITE);
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201701221724.v0MHO0HX035792>