From mboxrd@z Thu Jan 1 00:00:00 1970 From: Loic Pallardy Subject: [PATCH v1 3/5] mmc: core: Extend sysfs to ext_csd parameters for RPMB support Date: Fri, 6 Jul 2012 10:44:02 +0200 Message-ID: <1341564244-6178-4-git-send-email-loic.pallardy@stericsson.com> References: <1341564244-6178-1-git-send-email-loic.pallardy@stericsson.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from eu1sys200aog111.obsmtp.com ([207.126.144.131]:44013 "EHLO eu1sys200aog111.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752213Ab2GFJmP (ORCPT ); Fri, 6 Jul 2012 05:42:15 -0400 In-Reply-To: <1341564244-6178-1-git-send-email-loic.pallardy@stericsson.com> Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: linux-mmc@vger.kernel.org, Chris Ball Cc: Linus Walleij , STEricsson_nomadik_linux , Ulf Hansson , Loic Pallardy Extend current sysfs access to ext_csd rpmb parameters (RPMB partition size) and rel_sector information. Signed-off-by: Loic Pallardy --- Documentation/mmc/mmc-dev-attrs.txt | 7 +++++++ drivers/mmc/core/mmc.c | 4 ++++ 2 files changed, 11 insertions(+) diff --git a/Documentation/mmc/mmc-dev-attrs.txt b/Documentation/mmc/mmc-dev-attrs.txt index 22ae844..0d98fac 100644 --- a/Documentation/mmc/mmc-dev-attrs.txt +++ b/Documentation/mmc/mmc-dev-attrs.txt @@ -25,6 +25,8 @@ All attributes are read-only. serial Product Serial Number (from CID Register) erase_size Erase group size preferred_erase_size Preferred erase size + raw_rpmb_size_mult RPMB partition size + rel_sectors Reliable write sector count Note on Erase Size and Preferred Erase Size: @@ -65,6 +67,11 @@ Note on Erase Size and Preferred Erase Size: "preferred_erase_size" is in bytes. +Note on raw_rpmb_size_mult: + "raw_rpmb_size_mult" is a mutliple of 128kB block. + RPMB size in byte is calculated by using the following equation: + RPMB partition size = 128kB x raw_rpmb_size_mult + SD/MMC/SDIO Clock Gating Attribute ================================== diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index 8a459cb..0f2449c 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -615,6 +615,8 @@ MMC_DEV_ATTR(serial, "0x%08x\n", card->cid.serial); MMC_DEV_ATTR(enhanced_area_offset, "%llu\n", card->ext_csd.enhanced_area_offset); MMC_DEV_ATTR(enhanced_area_size, "%u\n", card->ext_csd.enhanced_area_size); +MMC_DEV_ATTR(raw_rpmb_size_mult, "%#x\n", card->ext_csd.raw_rpmb_size_mult); +MMC_DEV_ATTR(rel_sectors, "%#x\n", card->ext_csd.rel_sectors); static struct attribute *mmc_std_attrs[] = { &dev_attr_cid.attr, @@ -630,6 +632,8 @@ static struct attribute *mmc_std_attrs[] = { &dev_attr_serial.attr, &dev_attr_enhanced_area_offset.attr, &dev_attr_enhanced_area_size.attr, + &dev_attr_raw_rpmb_size_mult.attr, + &dev_attr_rel_sectors.attr, NULL, }; -- 1.7.11.1