From patchwork Fri Dec 1 15:31:43 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Jorge Ramirez-Ortiz, Foundries" X-Patchwork-Id: 13476008 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=foundries.io header.i=@foundries.io header.b="gxNGJ2je" Received: from mail-wm1-x333.google.com (mail-wm1-x333.google.com [IPv6:2a00:1450:4864:20::333]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3462E1A6 for ; Fri, 1 Dec 2023 07:31:48 -0800 (PST) Received: by mail-wm1-x333.google.com with SMTP id 5b1f17b1804b1-40b3e7f2fd9so21420125e9.0 for ; Fri, 01 Dec 2023 07:31:48 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foundries.io; s=google; t=1701444706; x=1702049506; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=zrDqyx6agu66CFsaEwAwGPFt5h6we10bOzm7YE4XX+0=; b=gxNGJ2jeuQGtb1QsJNITbFf+iT3QGZAmiMpR9SqfX5Wr7+Jcb5dSpHE/2YFUv5+ikx 3AJAVFGpuDmiSPIWSNkDWF39estfYTg9jwGvy1OZDDbqOXIwqZA7fnWMhFmxyYqTE+W/ XCmSvwEYH6oZWB4uZb1rXLmgXAV8++KVLMdoyTOCUXcFdwwhWP3K1hii3yWZl1Q9EGjf rLUiwwYCPW6Om2jfV0iZE29/tSBoeyR7PGRFpeLjdA8arORSBrdCyShfCBC4T821UYQ0 RS3ZHP9VFFwFPbRyQK8+75CCqubs1deteehyrhSSo3mlxRx0/KSnY1/e8wGABSBdTBwj AOHw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1701444706; x=1702049506; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=zrDqyx6agu66CFsaEwAwGPFt5h6we10bOzm7YE4XX+0=; b=aO7IALp0UTK6woioyaHHN52pXUTi7VJ4HDINu22qjpkQmIq1ATmkLIL9JCMjUAFY8E 1f6TBgVdwvknubbqwGtvPV+nQes84ds3FmIKUEjVn7ZZpzyurt/0/CDOs++VuB8tZ/Np MIieLpu0Il9/954dnQ8Ay68JpIG13qit2T9X8m0n9n2QGNnCyQ8uV1C2XfCky5lb37hR BXPYVe+fkrPHSdr7H127V6b29s7OT4mo5HBDnD4ZW28hzPY74/Yalxoyz5s38cgJ/kZp SF/fYEcSyB1oDWzJRZJZxZPOdRiIGe8EC6edMtCn9GISB9lxckusGe4xVjaBBk8CHRQO heIA== X-Gm-Message-State: AOJu0YxfSoIUjTiGPN4jq3b6cjQnrT5kURTkKfcArXtB+RPIAh6AvhWr ZubKATRWmjeX3DiEezWNYPkoMQ== X-Google-Smtp-Source: AGHT+IF4yZefDhQfkn3bHpMubMuak5XxvCL7T38seWdW+e8Eg9jNLWcrCT1ET5ZnEZ3m4aGk9V5qkA== X-Received: by 2002:a05:600c:468f:b0:40b:5e59:99ca with SMTP id p15-20020a05600c468f00b0040b5e5999camr346457wmo.234.1701444706433; Fri, 01 Dec 2023 07:31:46 -0800 (PST) Received: from trax.. (139.red-79-144-198.dynamicip.rima-tde.net. [79.144.198.139]) by smtp.gmail.com with ESMTPSA id l5-20020adffe85000000b0033331b248acsm1771415wrr.91.2023.12.01.07.31.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 01 Dec 2023 07:31:45 -0800 (PST) From: Jorge Ramirez-Ortiz To: jorge@foundries.io, ulf.hansson@linaro.org, linus.walleij@linaro.org, adrian.hunter@intel.com Cc: linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PATCHv4] mmc: rpmb: fixes pause retune on all RPMB partitions. Date: Fri, 1 Dec 2023 16:31:43 +0100 Message-Id: <20231201153143.1449753-1-jorge@foundries.io> 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 When RPMB was converted to a character device, it added support for multiple RPMB partitions (Commit 97548575bef3 ("mmc: block: Convert RPMB to a character device"). One of the changes in this commit was transforming the variable target_part defined in __mmc_blk_ioctl_cmd into a bitmask. This inadvertedly regressed the validation check done in mmc_blk_part_switch_pre() and mmc_blk_part_switch_post(). This commit fixes that regression. Fixes: 97548575bef3 ("mmc: block: Convert RPMB to a character device") Signed-off-by: Jorge Ramirez-Ortiz Reviewed-by: Linus Walleij Cc: # v4.14+ --- v2: fixes parenthesis around condition v3: adds stable to commit header v4: fixes the stable version to v4.14 adds Reviewed-by drivers/mmc/core/block.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) -- 2.34.1 diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c index 152dfe593c43..13093d26bf81 100644 --- a/drivers/mmc/core/block.c +++ b/drivers/mmc/core/block.c @@ -851,9 +851,10 @@ static const struct block_device_operations mmc_bdops = { static int mmc_blk_part_switch_pre(struct mmc_card *card, unsigned int part_type) { + const unsigned int mask = EXT_CSD_PART_CONFIG_ACC_RPMB; int ret = 0; - if (part_type == EXT_CSD_PART_CONFIG_ACC_RPMB) { + if ((part_type & mask) == mask) { if (card->ext_csd.cmdq_en) { ret = mmc_cmdq_disable(card); if (ret) @@ -868,9 +869,10 @@ static int mmc_blk_part_switch_pre(struct mmc_card *card, static int mmc_blk_part_switch_post(struct mmc_card *card, unsigned int part_type) { + const unsigned int mask = EXT_CSD_PART_CONFIG_ACC_RPMB; int ret = 0; - if (part_type == EXT_CSD_PART_CONFIG_ACC_RPMB) { + if ((part_type & mask) == mask) { mmc_retune_unpause(card->host); if (card->reenable_cmdq && !card->ext_csd.cmdq_en) ret = mmc_cmdq_enable(card); @@ -3143,4 +3145,3 @@ module_exit(mmc_blk_exit); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Multimedia Card (MMC) block device driver"); -