From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.5 required=3.0 tests=DKIM_ADSP_ALL,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6A35FECE58A for ; Tue, 1 Oct 2019 16:04:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 41A9A2133F for ; Tue, 1 Oct 2019 16:04:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=amazon.com header.i=@amazon.com header.b="VHkK0EHm" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729548AbfJAQEQ (ORCPT ); Tue, 1 Oct 2019 12:04:16 -0400 Received: from smtp-fw-6001.amazon.com ([52.95.48.154]:64710 "EHLO smtp-fw-6001.amazon.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726327AbfJAQEQ (ORCPT ); Tue, 1 Oct 2019 12:04:16 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1569945855; x=1601481855; h=from:to:cc:subject:date:message-id:mime-version; bh=V31EWNMvdqyWe/Qg+FgJTs3uamoYxLmoNCf8l4/4axk=; b=VHkK0EHmY7Iti2xqC8lDjuvy2I+kugptvS428xpSiiohNwCYOSHdrb30 wdRrdG6C3XbyqxxEnQMcPwXCSmZGiZTS/6OXtUtRiIMhW9/foYiyePg2t ShbhOer6mJqseoyB7swaYks3j3UQkSBEMrxwFQrcjJj/6JVMBgE/7MHpS 8=; X-IronPort-AV: E=Sophos;i="5.64,571,1559520000"; d="scan'208";a="419069137" Received: from iad6-co-svc-p1-lb1-vlan3.amazon.com (HELO email-inbound-relay-2a-22cc717f.us-west-2.amazon.com) ([10.124.125.6]) by smtp-border-fw-out-6001.iad6.amazon.com with ESMTP; 01 Oct 2019 16:04:13 +0000 Received: from EX13MTAUWC001.ant.amazon.com (pdx4-ws-svc-p6-lb7-vlan3.pdx.amazon.com [10.170.41.166]) by email-inbound-relay-2a-22cc717f.us-west-2.amazon.com (Postfix) with ESMTPS id 8BB09A1E7E; Tue, 1 Oct 2019 16:04:13 +0000 (UTC) Received: from EX13D02UWC002.ant.amazon.com (10.43.162.6) by EX13MTAUWC001.ant.amazon.com (10.43.162.135) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Tue, 1 Oct 2019 16:04:13 +0000 Received: from EX13MTAUWA001.ant.amazon.com (10.43.160.58) by EX13D02UWC002.ant.amazon.com (10.43.162.6) with Microsoft SMTP Server (TLS) id 15.0.1367.3; Tue, 1 Oct 2019 16:04:12 +0000 Received: from 8c859006a84e.ant.amazon.com (172.26.203.30) by mail-relay.amazon.com (10.43.160.118) with Microsoft SMTP Server id 15.0.1367.3 via Frontend Transport; Tue, 1 Oct 2019 16:04:12 +0000 From: Patrick Williams CC: Patrick Williams , Patrick Williams , Guenter Roeck , Jean Delvare , , Subject: [PATCH] hwmon: (pmbus) add VR12/VR13 mode support write paths Date: Tue, 1 Oct 2019 11:03:41 -0500 Message-ID: <20191001160407.6265-1-alpawi@amazon.com> X-Mailer: git-send-email 2.17.2 (Apple Git-113) MIME-Version: 1.0 Content-Type: text/plain To: unlisted-recipients:; (no To-header on input) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org pmbus_core supported VR11/VR12/VR13 modes when reading VID-formatted registers, but the write path only supported VR11 translations. Add support for VR12 and VR13 to 'data2reg_vid' for translating these formats. This is the inverse of 'reg2data_vid'. Signed-off-by: Patrick Williams --- drivers/hwmon/pmbus/pmbus_core.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c index 8470097907bc..f0d696552142 100644 --- a/drivers/hwmon/pmbus/pmbus_core.c +++ b/drivers/hwmon/pmbus/pmbus_core.c @@ -845,9 +845,19 @@ static u16 pmbus_data2reg_direct(struct pmbus_data *data, static u16 pmbus_data2reg_vid(struct pmbus_data *data, struct pmbus_sensor *sensor, long val) { - val = clamp_val(val, 500, 1600); + switch (data->info->vrm_version) { + case vr11: + val = clamp_val(val, 500, 1600); + return 2 + DIV_ROUND_CLOSEST((1600 - val) * 100, 625); + case vr12: + val = clamp_val(val, 0, 1520); + return ((val - 250) / 5) + 1; + case vr13: + val = clamp_val(val, 0, 2500); + return ((val - 500) / 10) + 1; + } - return 2 + DIV_ROUND_CLOSEST((1600 - val) * 100, 625); + return 0; } static u16 pmbus_data2reg(struct pmbus_data *data, -- 2.17.2 (Apple Git-113)