From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Wed, 16 Jun 2021 09:41:38 +0200 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by lore.white.stw.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1ltQB8-00011Z-Ey for lore@lore.pengutronix.de; Wed, 16 Jun 2021 09:41:38 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:e::133]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1ltQB7-0000AT-Hy for lore@pengutronix.de; Wed, 16 Jun 2021 09:41:38 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=enuAEVTyAbqFxhpktXHoSmWfu+4lAqCF3SKB5e6a0R4=; b=GdeUW37vFyOFGo HjrYPpBM+Ivl6PiFHhxhOFgwfHdu/5vUeAx96kRbASuywHFOEhvru5k6n4xcko93VWCkv7TQ4Dnky pPezRVVvFYWjrXtrl/D6OTG1KLvo2/psy2J0OtERk0QZls4FPCoU5aVBbHjQ4op5lY/zCo4cYMiMV xUs4MMdFSWKYlNE6WHQf1SbQ+YWgEr/KWNu/ibNautlmDdfI2/8qeMfFI1NT2A/6xabdWsWk6eMjn PyaS8ZgtpGfE/oldzpBDMm1rcqfdPPI0oq/DLsuwVV+vwnaQ/2EpCQu554WpgtHlfBpnMjltNNOGD CE1xUKp0npzeSk0pY/Qg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ltQ9q-005ESH-Kg; Wed, 16 Jun 2021 07:40:18 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ltQ9a-005EMn-33 for barebox@lists.infradead.org; Wed, 16 Jun 2021 07:40:04 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1ltQ9W-0007zA-OR; Wed, 16 Jun 2021 09:39:58 +0200 Received: from [2a0a:edc0:0:1101:1d::39] (helo=dude03.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1ltQ9V-0001q9-Rg; Wed, 16 Jun 2021 09:39:57 +0200 Received: from mtr by dude03.red.stw.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1ltQ9V-007rFu-R0; Wed, 16 Jun 2021 09:39:57 +0200 From: Michael Tretter To: barebox@lists.infradead.org Cc: Michael Graichen Date: Wed, 16 Jun 2021 09:39:53 +0200 Message-Id: <20210616073957.1872965-2-m.tretter@pengutronix.de> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210616073957.1872965-1-m.tretter@pengutronix.de> References: <20210616073957.1872965-1-m.tretter@pengutronix.de> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210616_004002_228203_36328F69 X-CRM114-Status: GOOD ( 13.58 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:e::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.ext.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-4.0 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH 1/5] mci: mci-core: respect disable-wp property X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.ext.pengutronix.de) Systems without write-protect pin should ignore the write protect logic and assume that an SD card is always read-write. This is expressed by the disable-wp dt property. Respect the disable-wp property and don't call the write protection check in these cases. Signed-off-by: Michael Tretter --- drivers/mci/mci-core.c | 4 +++- include/mci.h | 1 + 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/mci/mci-core.c b/drivers/mci/mci-core.c index a160b9889459..a094f3cbf522 100644 --- a/drivers/mci/mci-core.c +++ b/drivers/mci/mci-core.c @@ -1358,7 +1358,8 @@ static int __maybe_unused mci_sd_write(struct block_device *blk, mci_blk_part_switch(part); - if (host->card_write_protected && host->card_write_protected(host)) { + if (!host->disable_wp && + host->card_write_protected && host->card_write_protected(host)) { dev_err(&mci->dev, "card write protected\n"); return -EPERM; } @@ -2016,6 +2017,7 @@ void mci_of_parse_node(struct mci_host *host, host->non_removable = of_property_read_bool(np, "non-removable"); host->no_sd = of_property_read_bool(np, "no-sd"); + host->disable_wp = of_property_read_bool(np, "disable-wp"); } void mci_of_parse(struct mci_host *host) diff --git a/include/mci.h b/include/mci.h index df2437f6181b..922aeaecf3de 100644 --- a/include/mci.h +++ b/include/mci.h @@ -406,6 +406,7 @@ struct mci_host { int use_dsr; /**< optional dsr usage flag */ bool non_removable; /**< device is non removable */ bool no_sd; /**< do not send SD commands during initialization */ + bool disable_wp; /**< ignore write-protect detection logic */ struct regulator *supply; /** init the host interface */ -- 2.29.2 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox