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=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,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 9BD39C433DB for ; Mon, 1 Mar 2021 21:20:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7793F60232 for ; Mon, 1 Mar 2021 21:20:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244261AbhCAVSl (ORCPT ); Mon, 1 Mar 2021 16:18:41 -0500 Received: from mail.kernel.org ([198.145.29.99]:46228 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231640AbhCAROC (ORCPT ); Mon, 1 Mar 2021 12:14:02 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 016D465033; Mon, 1 Mar 2021 16:45:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1614617106; bh=5KwB5EKJNG413Tg4uSkSwvhFRxKwyWuc7pCDO1/IrHk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=0uoweBzmS8AxUOZuIsyZOeeu+IloVvpfiOoAYFFHzKXrurXrPOOKM2HAodPvf+Smt q6WSMRKtd16jX+8kYf/vbk3C32h2Zs8tR0sVT+K7tJ6yCRP7x33DoCogA7BgqGgZ+9 8yoG7Bbu1TtCmB9gevCkg1rtak9s6ovrKSSG9YZU= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Ricky Wu Subject: [PATCH 4.19 205/247] misc: rtsx: init of rts522a add OCP power off when no card is present Date: Mon, 1 Mar 2021 17:13:45 +0100 Message-Id: <20210301161041.704789276@linuxfoundation.org> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210301161031.684018251@linuxfoundation.org> References: <20210301161031.684018251@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Ricky Wu commit 920fd8a70619074eac7687352c8f1c6f3c2a64a5 upstream. Power down OCP for power consumption when no SD/MMC card is present Cc: stable@vger.kernel.org Signed-off-by: Ricky Wu Link: https://lore.kernel.org/r/20210204083115.9471-1-ricky_wu@realtek.com Signed-off-by: Greg Kroah-Hartman --- drivers/misc/cardreader/rts5227.c | 5 +++++ 1 file changed, 5 insertions(+) --- a/drivers/misc/cardreader/rts5227.c +++ b/drivers/misc/cardreader/rts5227.c @@ -339,6 +339,11 @@ static int rts522a_extra_init_hw(struct { rts5227_extra_init_hw(pcr); + /* Power down OCP for power consumption */ + if (!pcr->card_exist) + rtsx_pci_write_register(pcr, FPDCTL, OC_POWER_DOWN, + OC_POWER_DOWN); + rtsx_pci_write_register(pcr, FUNC_FORCE_CTL, FUNC_FORCE_UPME_XMT_DBG, FUNC_FORCE_UPME_XMT_DBG); rtsx_pci_write_register(pcr, PCLK_CTL, 0x04, 0x04);