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, URIBL_BLOCKED,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 77E49C43333 for ; Tue, 2 Mar 2021 06:18:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 49E696186A for ; Tue, 2 Mar 2021 06:18:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1445964AbhCBDDG (ORCPT ); Mon, 1 Mar 2021 22:03:06 -0500 Received: from mail.kernel.org ([198.145.29.99]:43788 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243160AbhCAUSg (ORCPT ); Mon, 1 Mar 2021 15:18:36 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 0039A6504D; Mon, 1 Mar 2021 18:03:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1614621824; bh=AeM1sUaPQEBLlCCsPmlL8E90/x6jk0T8/zUba93pCt0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OnC06hQbjFLhWBxnSICFl5uQP6Y1AUN/cU4IUEaRshoT47c/XCujbfp9Q0RR1grtW xa81zqy+fVKJsTepyuAuG9jjt5vXquiw+HOAgcAF7rljKghGr1EdJE6sLu9up7m8El wbmsBJBp8SGn5uXJxf+lTqAyUpSNDhekvQCT2s6s= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Ricky Wu Subject: [PATCH 5.11 656/775] misc: rtsx: init of rts522a add OCP power off when no card is present Date: Mon, 1 Mar 2021 17:13:44 +0100 Message-Id: <20210301161233.800668160@linuxfoundation.org> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210301161201.679371205@linuxfoundation.org> References: <20210301161201.679371205@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 @@ -398,6 +398,11 @@ 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);