From patchwork Tue May 21 21:04:55 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Kucera X-Patchwork-Id: 798089 Received: from speedy.danman.eu (speedy.danman.eu [46.227.180.235]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 71BE750276 for ; Tue, 21 May 2024 21:05:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=46.227.180.235 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716325519; cv=none; b=qCT0Y7aZHheIM/85I5Np0F1K62QE9f+IuI98BtLc+RaPCViXUVtHyqa5bQK5IdmoYSoLgucPKIp9VRyE32jP/4ABfUgLlWPlhHkdApAkdAYiky2VkyDxlLsi5z7CLKFIMqn6wLh6o5KpVjwicZ4q7Qvl5lZZEl4ft2DQjfr5YT4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716325519; c=relaxed/simple; bh=GO07VuBpIdhrCt9DGBIYE0AK57t1Uaxod8eXheR7PQ8=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=XlDc9bQGZ0vijxVc45YUCWzl6LpcGtKAIUZaaFGthag1MF6p1nGAyWp0O1cNJteIwbuwzIHTg2SXo8EAiQfJ59z7cRMOwKjNfB/Fdr/LoNc996Z/50Hdha8GICHpLaiWOozKphNSoFFbx44VOP4L7b4e/bLj2kSpULen2m9mSfE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=danman.eu; spf=pass smtp.mailfrom=danman.eu; arc=none smtp.client-ip=46.227.180.235 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=danman.eu Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=danman.eu Received: from silverhorse.lan (unknown [62.197.239.54]) by speedy.danman.eu (Postfix) with ESMTPSA id D9E62240ACA; Tue, 21 May 2024 23:05:12 +0200 (CEST) From: linux-mmc@danman.eu To: linux-mmc@vger.kernel.org, ulf.hansson@linaro.org Cc: Daniel Kucera Subject: [PATCH] mmc: core: allow detection of locked cards Date: Tue, 21 May 2024 23:04:55 +0200 Message-Id: <20240521210455.543587-1-linux-mmc@danman.eu> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-mmc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Daniel Kucera Signed-off-by: Daniel Kucera --- drivers/mmc/core/sd.c | 19 ++++++++++++++++--- 1 file changed, 16 insertions(+), 3 deletions(-) diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c index 1c8148cdd..b22c30348 100644 --- a/drivers/mmc/core/sd.c +++ b/drivers/mmc/core/sd.c @@ -1475,9 +1475,22 @@ static int mmc_sd_init_card(struct mmc_host *host, u32 ocr, goto free_card; } - err = mmc_sd_setup_card(host, card, oldcard != NULL); - if (err) - goto free_card; + u32 card_status; + + err = mmc_send_status(card, &card_status); + if (err){ + pr_err("%s: unable to get card status\n", + mmc_hostname(host)); + goto free_card; + } + + if (card_status & R1_CARD_IS_LOCKED){ + pr_warn("%s: card is locked\n", mmc_hostname(host)); + } else { + err = mmc_sd_setup_card(host, card, oldcard != NULL); + if (err) + goto free_card; + } /* * If the card has not been power cycled, it may still be using 1.8V