Date: Sat, 22 Aug 2020 00:42:34 +0000 (UTC) From: Alexander Motin <mav@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r364471 - stable/12/sys/dev/acpica Message-ID: <202008220042.07M0gYcC087664@repo.freebsd.org>
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Author: mav Date: Sat Aug 22 00:42:33 2020 New Revision: 364471 URL: https://svnweb.freebsd.org/changeset/base/364471 Log: MFC r364407: Unify AcpiGetTable() KPI use in identify, probe and attach. While there, change probe order to not call AcpiGetTable() for every probed ACPI device. PR: 248746 Modified: stable/12/sys/dev/acpica/acpi_apei.c Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/dev/acpica/acpi_apei.c ============================================================================== --- stable/12/sys/dev/acpica/acpi_apei.c Fri Aug 21 23:00:15 2020 (r364470) +++ stable/12/sys/dev/acpica/acpi_apei.c Sat Aug 22 00:42:33 2020 (r364471) @@ -550,20 +550,29 @@ apei_identify(driver_t *driver, device_t parent) { device_t child; int found; + ACPI_TABLE_HEADER *hest; + ACPI_STATUS status; if (acpi_disabled("apei")) return; - if (acpi_find_table(ACPI_SIG_HEST) == 0) + + /* Without HEST table we have nothing to do. */ + status = AcpiGetTable(ACPI_SIG_HEST, 0, &hest); + if (ACPI_FAILURE(status)) return; + AcpiPutTable(hest); + /* Only one APEI device can exist. */ if (devclass_get_device(apei_devclass, 0)) return; + /* Search for ACPI error device to be used. */ found = 0; AcpiWalkNamespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT, 100, apei_find, NULL, NULL, (void *)&found); if (found) return; + /* If not found - create a fake one. */ child = BUS_ADD_CHILD(parent, 2, "apei", 0); if (child == NULL) @@ -573,18 +582,27 @@ apei_identify(driver_t *driver, device_t parent) static int apei_probe(device_t dev) { + ACPI_TABLE_HEADER *hest; + ACPI_STATUS status; int rv; if (acpi_disabled("apei")) return (ENXIO); - if (acpi_find_table(ACPI_SIG_HEST) == 0) - return (ENXIO); - if (acpi_get_handle(dev) != NULL) + + if (acpi_get_handle(dev) != NULL) { rv = (ACPI_ID_PROBE(device_get_parent(dev), dev, apei_ids) == NULL); - else + if (rv > 0) + return (rv); + } else rv = 0; - if (rv <= 0) - device_set_desc(dev, "Platform Error Interface"); + + /* Without HEST table we have nothing to do. */ + status = AcpiGetTable(ACPI_SIG_HEST, 0, &hest); + if (ACPI_FAILURE(status)) + return (ENXIO); + AcpiPutTable(hest); + + device_set_desc(dev, "ACPI Platform Error Interface"); return (rv); }
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