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=-18.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 00CC4C433ED for ; Wed, 7 Apr 2021 14:55:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BF51761363 for ; Wed, 7 Apr 2021 14:55:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243421AbhDGOzx (ORCPT ); Wed, 7 Apr 2021 10:55:53 -0400 Received: from mail.kernel.org ([198.145.29.99]:57850 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345305AbhDGOzw (ORCPT ); Wed, 7 Apr 2021 10:55:52 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id B229C6113D; Wed, 7 Apr 2021 14:55:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1617807341; bh=ZwQ2W32ky9hP0VZTAufC1XzZb+Q9ibpB1jDZqN4hX0c=; h=Subject:To:From:Date:From; b=LAUxgCeip6kuXkbjORuPuJ+YAlNToVpMDeS3Y8sfndOeRQPuGpwSyzVl3T/Trb6wG 1ujN0SCgZTbdVT+Ik2SSEthF+JM2DYbmuRSpekzREzmpgyohSmxiBFpvRUlcYnZ0mt z1sGzk1gz3yfPXA4zz1azESnwMKzb0/BQ4zAHOec= Subject: patch "phy: cadence: Sierra: Fix PHY power_on sequence" added to char-misc-testing To: kishon@ti.com, p.zabel@pengutronix.de, stable@vger.kernel.org, vkoul@kernel.org From: Date: Wed, 07 Apr 2021 16:53:26 +0200 Message-ID: <16178072061540@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org This is a note to let you know that I've just added the patch titled phy: cadence: Sierra: Fix PHY power_on sequence to my char-misc git tree which can be found at git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git in the char-misc-testing branch. The patch will show up in the next release of the linux-next tree (usually sometime within the next 24 hours during the week.) The patch will be merged to the char-misc-next branch sometime soon, after it passes testing, and the merge window is open. If you have any questions about this process, please let me know. >From 5b4f5757f83be34d1428a1ffbb68d4a1966e9aae Mon Sep 17 00:00:00 2001 From: Kishon Vijay Abraham I Date: Fri, 19 Mar 2021 18:11:16 +0530 Subject: phy: cadence: Sierra: Fix PHY power_on sequence Commit 44d30d622821d ("phy: cadence: Add driver for Sierra PHY") de-asserts PHY_RESET even before the configurations are loaded in phy_init(). However PHY_RESET should be de-asserted only after all the configurations has been initialized, instead of de-asserting in probe. Fix it here. Fixes: 44d30d622821d ("phy: cadence: Add driver for Sierra PHY") Signed-off-by: Kishon Vijay Abraham I Cc: # v5.4+ Reviewed-by: Philipp Zabel Link: https://lore.kernel.org/r/20210319124128.13308-2-kishon@ti.com Signed-off-by: Vinod Koul --- drivers/phy/cadence/phy-cadence-sierra.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/phy/cadence/phy-cadence-sierra.c b/drivers/phy/cadence/phy-cadence-sierra.c index 26a0badabe38..19f32ae877b9 100644 --- a/drivers/phy/cadence/phy-cadence-sierra.c +++ b/drivers/phy/cadence/phy-cadence-sierra.c @@ -319,6 +319,12 @@ static int cdns_sierra_phy_on(struct phy *gphy) u32 val; int ret; + ret = reset_control_deassert(sp->phy_rst); + if (ret) { + dev_err(dev, "Failed to take the PHY out of reset\n"); + return ret; + } + /* Take the PHY lane group out of reset */ ret = reset_control_deassert(ins->lnk_rst); if (ret) { @@ -616,7 +622,6 @@ static int cdns_sierra_phy_probe(struct platform_device *pdev) pm_runtime_enable(dev); phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate); - reset_control_deassert(sp->phy_rst); return PTR_ERR_OR_ZERO(phy_provider); put_child: -- 2.31.1