From owner-svn-src-head@freebsd.org Sat Jan 13 16:21:14 2018 Return-Path: Delivered-To: svn-src-head@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 99AC7E7123C; Sat, 13 Jan 2018 16:21:14 +0000 (UTC) (envelope-from marius@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 754E66B849; Sat, 13 Jan 2018 16:21:14 +0000 (UTC) (envelope-from marius@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id BEE2415538; Sat, 13 Jan 2018 16:21:13 +0000 (UTC) (envelope-from marius@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id w0DGLDQk026576; Sat, 13 Jan 2018 16:21:13 GMT (envelope-from marius@FreeBSD.org) Received: (from marius@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id w0DGLDiC026575; Sat, 13 Jan 2018 16:21:13 GMT (envelope-from marius@FreeBSD.org) Message-Id: <201801131621.w0DGLDiC026575@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: marius set sender to marius@FreeBSD.org using -f From: Marius Strobl Date: Sat, 13 Jan 2018 16:21:13 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r327924 - head/sys/dev/sdhci X-SVN-Group: head X-SVN-Commit-Author: marius X-SVN-Commit-Paths: head/sys/dev/sdhci X-SVN-Commit-Revision: 327924 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 13 Jan 2018 16:21:14 -0000 Author: marius Date: Sat Jan 13 16:21:13 2018 New Revision: 327924 URL: https://svnweb.freebsd.org/changeset/base/327924 Log: Fix a bug introduced in r327339; at the point in time re-tuning is executed, the interrupt aggregation code might have disabled the SDHCI_INT_DMA_END and/or SDHCI_INT_RESPONSE bits in slot->intmask and the SDHCI_SIGNAL_ENABLE register respectively. So when restoring the interrupt masks based on the previous contents of slot->intmask in sdhci_exec_tuning(), ensure that the SDHCI_INT_ENABLE register doesn't lose these two bits. While at it and in the spirit of r327339, let sdhci_tuning_intmask() set the tuning error and re-tuning interrupt bits based on the SDHCI_TUNING_ENABLED rather than the SDHCI_TUNING_SUPPORTED flag being set, i. e. only when (re-)tuning is actually used. Currently, this changes makes no net difference, though. Modified: head/sys/dev/sdhci/sdhci.c Modified: head/sys/dev/sdhci/sdhci.c ============================================================================== --- head/sys/dev/sdhci/sdhci.c Sat Jan 13 14:14:50 2018 (r327923) +++ head/sys/dev/sdhci/sdhci.c Sat Jan 13 16:21:13 2018 (r327924) @@ -273,7 +273,7 @@ sdhci_tuning_intmask(struct sdhci_slot *slot) uint32_t intmask; intmask = 0; - if (slot->opt & SDHCI_TUNING_SUPPORTED) { + if (slot->opt & SDHCI_TUNING_ENABLED) { intmask |= SDHCI_INT_TUNEERR; if (slot->retune_mode == SDHCI_RETUNE_MODE_2 || slot->retune_mode == SDHCI_RETUNE_MODE_3) @@ -1439,9 +1439,17 @@ sdhci_exec_tuning(struct sdhci_slot *slot, bool reset) DELAY(1000); } + /* + * Restore DMA usage and interrupts. + * Note that the interrupt aggregation code might have cleared + * SDHCI_INT_DMA_END and/or SDHCI_INT_RESPONSE in slot->intmask + * and SDHCI_SIGNAL_ENABLE respectively so ensure SDHCI_INT_ENABLE + * doesn't lose these. + */ slot->opt = opt; slot->intmask = intmask; - WR4(slot, SDHCI_INT_ENABLE, intmask); + WR4(slot, SDHCI_INT_ENABLE, intmask | SDHCI_INT_DMA_END | + SDHCI_INT_RESPONSE); WR4(slot, SDHCI_SIGNAL_ENABLE, intmask); if ((hostctrl2 & (SDHCI_CTRL2_EXEC_TUNING |