From patchwork Fri Sep 29 14:30:43 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Abdel Alkuor X-Patchwork-Id: 146774 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:6359:6f87:b0:13f:353d:d1ed with SMTP id tl7csp3552530rwb; Fri, 29 Sep 2023 14:01:49 -0700 (PDT) X-Google-Smtp-Source: AGHT+IHptx6XZAQ4/ax9f961OawMy7Y4KYyYnehp6aC7bYDuUm+2VCgk2A+mGkseDdL39ujEUOpy X-Received: by 2002:a17:90b:1254:b0:268:2500:b17e with SMTP id gx20-20020a17090b125400b002682500b17emr5289563pjb.23.1696021309626; Fri, 29 Sep 2023 14:01:49 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1696021309; cv=none; d=google.com; s=arc-20160816; b=lafR1iyY7lQ6eK9exqAV/pjwnqL2BE9jp4wYa/GV5f4T4W7VdPHf1Lrr80QAIFftUL 0fQOVw1U5lRa665ztrfkNWfv5ZS2Bzjo7xvM6MzB3blQEp+uQoFM41RiRi6qqpo8kr/B f3G8yikKWbjYnVm/z1jlPEw45YiUj/x4OclEebgQYTukJznnLxs25Op9kLpJ+DB31Df2 Or+p1tRtMoGsjS6vcUHyrTyv6CHsZC3NPWE21agQvYijoswImpspv6f6Dz1Hws3L/GjY 5BIpr1OpH3sqTYYIRyylgAsogtRBwFm1kIA/sbYJQIQFpnX3HvI650aRKbIkX+ijzDc3 AjHw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=iGIQpTQvObysL6Oo7cgMHdezro1zF1YMMi1C0CmxddE=; fh=NDkcCmflgZsGSiSjskszThji4SYIrQ1hJIxt3Zy9sPE=; b=HonB+RhZjY9eEMAbGRU9EMp2mEdj/z0qRQM1pU0bd3SPMJca5JCJYRrX+r/1ODDqXj XePkVRGUtyJqlljWnVdnOJUlp2r3U0237hHT01vOWbGx/xYABy3cK0W+pT/LiNRn25KT 9FN99jGZEAep/sYr8PPxD9VX+2vXGvRlzhgzW+MX5NrM/bwDR3qWHnLXp5km9/4lyiEF IVjXCvY13JhUuCabWi2U6lNH8YSbBdVD7W9W6Ij1Zndcqe/h/+hl0Fm1nZH8Wl3EEJfg tUZFBi7piM3t+/52jPek6XdPxpaiyGHmWYqTTR6tX0r3xbvzyVs9lPvcZw65YWJaOzQg iQEw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20230601 header.b=h4h32S1R; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.36 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: from pete.vger.email (pete.vger.email. [23.128.96.36]) by mx.google.com with ESMTPS id cm14-20020a17090afa0e00b00276c2b21697si2170521pjb.72.2023.09.29.14.01.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 29 Sep 2023 14:01:49 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.36 as permitted sender) client-ip=23.128.96.36; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20230601 header.b=h4h32S1R; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.36 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by pete.vger.email (Postfix) with ESMTP id 43FE6817DD07; Fri, 29 Sep 2023 07:32:58 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at pete.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233454AbjI2OcO (ORCPT + 20 others); Fri, 29 Sep 2023 10:32:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57572 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233520AbjI2OcG (ORCPT ); Fri, 29 Sep 2023 10:32:06 -0400 Received: from mail-ed1-x531.google.com (mail-ed1-x531.google.com [IPv6:2a00:1450:4864:20::531]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6D87610E3; Fri, 29 Sep 2023 07:32:00 -0700 (PDT) Received: by mail-ed1-x531.google.com with SMTP id 4fb4d7f45d1cf-533e7d127d4so13798352a12.3; Fri, 29 Sep 2023 07:32:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1695997919; x=1696602719; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=iGIQpTQvObysL6Oo7cgMHdezro1zF1YMMi1C0CmxddE=; b=h4h32S1Rap4pOQkBV1FUdUT4Rpuw5nKsBZh/MaQd3D4inrg2FUKKyF1M0efJM6pnRW +sx9BZ2Le8N3Kj2rgJ2F3A2FaUc9PHnood1R7Q/IAoowTYHroSW7Dp8faZ70E4F3a8ot +6d5xsAA1laPzuhfgO0pbrr2eTIT2DekAw92/Mryafgl+fmKbSuV+O0W7jHMkk+yijEC 0bl52kB9ckbS89Bi6E+jEI3J9NdMfoxK5/PxWKEuRnMbxwHY0jizx4cb+po+W+eObz1q ug3Dhq3+tZjISsYF7DK7F31jHZtCarZhAU2YvgB1dSN0Is453ExZ8+W94IEP6TbH6Fh1 OZmg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695997919; x=1696602719; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=iGIQpTQvObysL6Oo7cgMHdezro1zF1YMMi1C0CmxddE=; b=Ula2gjCGgn/ay+py+2rAginC9WiXFZ3ldXbysdBXLtRAw6YtgK3x9b/jJOPZS/pUPB mrWwENB259IC6qb/1HmLdsDPAi/cTlZ03vTgNAvgsbo8Dqjy011+UJ393gWH9sQ3cx/z RZcQ2knD4SkoVlcbPJ7Gk2GNeqxILrMypGACTeApV48FB5v/71WJEDBWYvKC6TYfO5iO 02akYiIcbx1ao4+ZXewuO2iUCrtws3RX9xJ+EBCNRgZVjZE+k44kZjRrpdY76yv/xuX5 LvmsWQwZgJ3b6iQa1L8zk+kMm7Mwv1aLgf/I66vfdFIUX3U5OFioVNydh+WOp8m3x3yw mDGA== X-Gm-Message-State: AOJu0YyP4+3M8NFx1z3M9Opob+ysoP5VVVhmloNtrKCJw/+OCz9IkNXc tk9B+bILcgzOc+8EN9lkmOE= X-Received: by 2002:a17:906:53d9:b0:9ae:7611:99bb with SMTP id p25-20020a17090653d900b009ae761199bbmr4368551ejo.59.1695997918627; Fri, 29 Sep 2023 07:31:58 -0700 (PDT) Received: from primary.. ([212.34.12.50]) by smtp.gmail.com with ESMTPSA id a7-20020a170906670700b0099293cdbc98sm12660105ejp.145.2023.09.29.07.31.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 29 Sep 2023 07:31:58 -0700 (PDT) From: Abdel Alkuor To: heikki.krogerus@linux.intel.com, krzysztof.kozlowski+dt@linaro.org, bryan.odonoghue@linaro.org Cc: gregkh@linuxfoundation.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, ryan.eleceng@gmail.com, robh+dt@kernel.org, conor+dt@kernel.org, devicetree@vger.kernel.org, Abdel Alkuor Subject: [PATCH v8 02/14] USB: typec: tsp6598x: Add cmd timeout and response delay Date: Fri, 29 Sep 2023 10:30:43 -0400 Message-Id: <20230929143055.31360-3-alkuor@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230929143055.31360-1-alkuor@gmail.com> References: <20230929143055.31360-1-alkuor@gmail.com> MIME-Version: 1.0 X-Spam-Status: No, score=0.9 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RCVD_IN_SORBS_WEB, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on pete.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (pete.vger.email [0.0.0.0]); Fri, 29 Sep 2023 07:32:58 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1778407240852575881 X-GMAIL-MSGID: 1778407240852575881 From: Abdel Alkuor Some commands in tps25750 take longer than 1 second to complete, and some responses need some delay before the result becomes available. Signed-off-by: Abdel Alkuor Reviewed-by: Heikki Krogerus --- Changes in v8: - Add Reviewed-by Changes in v7: - Add driver name to commit subject Changes in v6: - Use tps6598x_exec_cmd as a wrapper Changes in v5: - Incorporating tps25750 into tps6598x driver drivers/usb/typec/tipd/core.c | 19 +++++++++++++++---- 1 file changed, 15 insertions(+), 4 deletions(-) diff --git a/drivers/usb/typec/tipd/core.c b/drivers/usb/typec/tipd/core.c index 37b56ce75f39..32420c61660d 100644 --- a/drivers/usb/typec/tipd/core.c +++ b/drivers/usb/typec/tipd/core.c @@ -282,9 +282,10 @@ static void tps6598x_disconnect(struct tps6598x *tps, u32 status) power_supply_changed(tps->psy); } -static int tps6598x_exec_cmd(struct tps6598x *tps, const char *cmd, +static int tps6598x_exec_cmd_tmo(struct tps6598x *tps, const char *cmd, size_t in_len, u8 *in_data, - size_t out_len, u8 *out_data) + size_t out_len, u8 *out_data, + u32 cmd_timeout_ms, u32 res_delay_ms) { unsigned long timeout; u32 val; @@ -307,8 +308,7 @@ static int tps6598x_exec_cmd(struct tps6598x *tps, const char *cmd, if (ret < 0) return ret; - /* XXX: Using 1s for now, but it may not be enough for every command. */ - timeout = jiffies + msecs_to_jiffies(1000); + timeout = jiffies + msecs_to_jiffies(cmd_timeout_ms); do { ret = tps6598x_read32(tps, TPS_REG_CMD1, &val); @@ -321,6 +321,9 @@ static int tps6598x_exec_cmd(struct tps6598x *tps, const char *cmd, return -ETIMEDOUT; } while (val); + /* some commands require delay for the result to be available */ + mdelay(res_delay_ms); + if (out_len) { ret = tps6598x_block_read(tps, TPS_REG_DATA1, out_data, out_len); @@ -345,6 +348,14 @@ static int tps6598x_exec_cmd(struct tps6598x *tps, const char *cmd, return 0; } +static int tps6598x_exec_cmd(struct tps6598x *tps, const char *cmd, + size_t in_len, u8 *in_data, + size_t out_len, u8 *out_data) +{ + return tps6598x_exec_cmd_tmo(tps, cmd, in_len, in_data, + out_len, out_data, 1000, 0); +} + static int tps6598x_dr_set(struct typec_port *port, enum typec_data_role role) { const char *cmd = (role == TYPEC_DEVICE) ? "SWUF" : "SWDF";