From owner-svn-src-all@freebsd.org Tue Sep 3 14:08:11 2019 Return-Path: Delivered-To: svn-src-all@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 86828DD7C4; Tue, 3 Sep 2019 14:07:16 +0000 (UTC) (envelope-from yuripv@freebsd.org) Received: from freefall.freebsd.org (freefall.freebsd.org [96.47.72.132]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "freefall.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 46N80M4WDMz4QQR; Tue, 3 Sep 2019 14:07:15 +0000 (UTC) (envelope-from yuripv@freebsd.org) Received: by freefall.freebsd.org (Postfix, from userid 1452) id EE7271B377; Tue, 3 Sep 2019 14:06:33 +0000 (UTC) X-Original-To: yuripv@localmail.freebsd.org Delivered-To: yuripv@localmail.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (Client CN "mx1.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by freefall.freebsd.org (Postfix) with ESMTPS id B033427FF; Sun, 21 Apr 2019 20:50:59 +0000 (UTC) (envelope-from owner-src-committers@freebsd.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2610:1c1:1:6074::16:84]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "freefall.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 3E6F0893D3; Sun, 21 Apr 2019 20:50:59 +0000 (UTC) (envelope-from owner-src-committers@freebsd.org) Received: by freefall.freebsd.org (Postfix, from userid 538) id 17B0427ED; Sun, 21 Apr 2019 20:50:59 +0000 (UTC) Delivered-To: src-committers@localmail.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [96.47.72.80]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (Client CN "mx1.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by freefall.freebsd.org (Postfix) with ESMTPS id 4CD7B27EB for ; Sun, 21 Apr 2019 20:50:56 +0000 (UTC) (envelope-from ian@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 0CB7C893C7; Sun, 21 Apr 2019 20:50:56 +0000 (UTC) (envelope-from ian@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 D65D02AB1; Sun, 21 Apr 2019 20:50:55 +0000 (UTC) (envelope-from ian@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x3LKotY0074371; Sun, 21 Apr 2019 20:50:55 GMT (envelope-from ian@FreeBSD.org) Received: (from ian@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x3LKotwf074370; Sun, 21 Apr 2019 20:50:55 GMT (envelope-from ian@FreeBSD.org) Message-Id: <201904212050.x3LKotwf074370@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: ian set sender to ian@FreeBSD.org using -f From: Ian Lepore To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r346498 - stable/12/sys/arm/freescale/imx X-SVN-Group: stable-12 X-SVN-Commit-Author: ian X-SVN-Commit-Paths: stable/12/sys/arm/freescale/imx X-SVN-Commit-Revision: 346498 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk X-Loop: FreeBSD.org Sender: owner-src-committers@freebsd.org X-Rspamd-Queue-Id: 3E6F0893D3 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.97 / 15.00]; local_wl_from(0.00)[freebsd.org]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; NEURAL_HAM_SHORT(-0.97)[-0.973,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US]; NEURAL_HAM_LONG(-1.00)[-1.000,0] Status: O X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.29 List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Date: Tue, 03 Sep 2019 14:08:11 -0000 X-Original-Date: Sun, 21 Apr 2019 20:50:55 +0000 (UTC) X-List-Received-Date: Tue, 03 Sep 2019 14:08:11 -0000 Author: ian Date: Sun Apr 21 20:50:55 2019 New Revision: 346498 URL: https://svnweb.freebsd.org/changeset/base/346498 Log: MFC r345000: Mark the imx_spi device busy while transfers are in progress, so that the module can't be unloaded while interrupts are pending. Modified: stable/12/sys/arm/freescale/imx/imx_spi.c Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/arm/freescale/imx/imx_spi.c ============================================================================== --- stable/12/sys/arm/freescale/imx/imx_spi.c Sun Apr 21 20:46:49 2019 (r346497) +++ stable/12/sys/arm/freescale/imx/imx_spi.c Sun Apr 21 20:50:55 2019 (r346498) @@ -424,6 +424,7 @@ spi_transfer(device_t dev, device_t child, struct spi_ } mtx_lock(&sc->mtx); + device_busy(sc->dev); if (sc->debug >= 1) { device_printf(sc->dev, @@ -448,6 +449,7 @@ spi_transfer(device_t dev, device_t child, struct spi_ spi_set_chipsel(sc, cs, false); WR4(sc, ECSPI_CTLREG, 0); + device_unbusy(sc->dev); mtx_unlock(&sc->mtx); return (err); @@ -468,11 +470,11 @@ static int spi_detach(device_t dev) { struct spi_softc *sc = device_get_softc(dev); - int idx; + int error, idx; - mtx_lock(&sc->mtx); + if ((error = bus_generic_detach(sc->dev)) != 0) + return (error); - bus_generic_detach(sc->dev); if (sc->spibus != NULL) device_delete_child(dev, sc->spibus); @@ -488,7 +490,6 @@ spi_detach(device_t dev) if (sc->memres != NULL) bus_release_resource(sc->dev, SYS_RES_MEMORY, 0, sc->memres); - mtx_unlock(&sc->mtx); mtx_destroy(&sc->mtx); return (0);