From patchwork Tue Jun 13 11:08:10 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Hans de Goede X-Patchwork-Id: 92479 Received: from vger.kernel.org ([23.128.96.18]) by www.linuxtv.org with esmtp (Exim 4.92) (envelope-from ) id 1q91tY-001lNO-Rm; Tue, 13 Jun 2023 11:09:05 +0000 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242089AbjFMLJC (ORCPT + 1 other); Tue, 13 Jun 2023 07:09:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48778 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239887AbjFMLJB (ORCPT ); Tue, 13 Jun 2023 07:09:01 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A8BBBE52 for ; Tue, 13 Jun 2023 04:08:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1686654496; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=zCxocw+Px3HFxaNkLY3PSnPqZD3p2HVZUj2Wc41PwGk=; b=dZqP/i0bBEbhjFzgIZO87m47MzXFzWAeA+NbQEkc+0B4GIzvYSSTC5isf9iWUkFqPO10ZY /W9FvebGa9RBWbnta7wQzRdBKBklO3km1zyAX6xJ8sjkLd7upBGo9gByUcdzRo/9e6x4RB Glwo+ppniEYdd3Zb+0Y30UT8bmOa5Do= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-536-k3DL2g2TMK274c-g7EYiYQ-1; Tue, 13 Jun 2023 07:08:14 -0400 X-MC-Unique: k3DL2g2TMK274c-g7EYiYQ-1 Received: from smtp.corp.redhat.com (int-mx09.intmail.prod.int.rdu2.redhat.com [10.11.54.9]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 8E7FC3C0F222; Tue, 13 Jun 2023 11:08:13 +0000 (UTC) Received: from shalem.redhat.com (unknown [10.39.195.45]) by smtp.corp.redhat.com (Postfix) with ESMTP id AF463492CA6; Tue, 13 Jun 2023 11:08:12 +0000 (UTC) From: Hans de Goede To: =?utf-8?q?Ilpo_J=C3=A4rvinen?= , Andy Shevchenko , Dan Scally Cc: Hans de Goede , platform-driver-x86@vger.kernel.org, linux-media@vger.kernel.org Subject: [PATCH 2/2] platform/x86: int3472: discrete: Log a warning if the pin-numbers don't match Date: Tue, 13 Jun 2023 13:08:10 +0200 Message-Id: <20230613110810.240193-2-hdegoede@redhat.com> In-Reply-To: <20230613110810.240193-1-hdegoede@redhat.com> References: <20230613110810.240193-1-hdegoede@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.9 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H5,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_NONE, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-LSpam-Score: -4.8 (----) X-LSpam-Report: No, score=-4.8 required=5.0 tests=BAYES_00=-1.9,DKIMWL_WL_HIGH=0.001,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1,RCVD_IN_DNSWL_MED=-2.3 autolearn=ham autolearn_force=no The INT3472 discrete code assumes that the ACPI GPIO resources are in the same order as the pin-info _DSM entries. The returned pin-info includes the pin-number in bits 15-8. Add a check that this matches with the ACPI GPIO resource pin-number in case the assumption is not true with some ACPI tables. Reviewed-by: Daniel Scally Signed-off-by: Hans de Goede Reviewed-by: Ilpo Järvinen --- drivers/platform/x86/intel/int3472/discrete.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/platform/x86/intel/int3472/discrete.c b/drivers/platform/x86/intel/int3472/discrete.c index a31964076883..850f306214c7 100644 --- a/drivers/platform/x86/intel/int3472/discrete.c +++ b/drivers/platform/x86/intel/int3472/discrete.c @@ -154,8 +154,8 @@ static int skl_int3472_handle_gpio_resources(struct acpi_resource *ares, { struct int3472_discrete_device *int3472 = data; struct acpi_resource_gpio *agpio; + u8 active_value, pin, type; union acpi_object *obj; - u8 active_value, type; const char *err_msg; const char *func; u32 polarity; @@ -183,6 +183,12 @@ static int skl_int3472_handle_gpio_resources(struct acpi_resource *ares, int3472_get_func_and_polarity(type, &func, &polarity); + pin = FIELD_GET(INT3472_GPIO_DSM_PIN, obj->integer.value); + if (pin != agpio->pin_table[0]) + dev_warn(int3472->dev, "%s %s pin number mismatch _DSM %d resource %d\n", + func, agpio->resource_source.string_ptr, pin, + agpio->pin_table[0]); + active_value = FIELD_GET(INT3472_GPIO_DSM_SENSOR_ON_VAL, obj->integer.value); if (!active_value) polarity ^= GPIO_ACTIVE_LOW;