Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932156Ab2HQHNz (ORCPT ); Fri, 17 Aug 2012 03:13:55 -0400 Received: from mailout4.samsung.com ([203.254.224.34]:22110 "EHLO mailout4.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752202Ab2HQHNx (ORCPT ); Fri, 17 Aug 2012 03:13:53 -0400 X-AuditID: cbfee61b-b7faf6d00000476a-1d-502def285125 Message-id: <502DEE45.40405@samsung.com> Date: Fri, 17 Aug 2012 16:09:57 +0900 From: IAN CHEN User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:14.0) Gecko/20120714 Thunderbird/14.0 MIME-version: 1.0 To: cjb@laptop.org, linkinjeon@gmail.com, adrian.hunter@intel.com, subhashj@codeaurora.org, linus.walleij@linaro.org, linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org Cc: d.j.shin@samsung.com, jongtae22.kim@samsung.com, kyungmin.park@samsung.com, jh80.chung@samsung.com, ian.cy.chen@samsung.com Subject: [PATCH v5] mmc: card: Skip secure option for MoviNAND. Content-type: text/plain; charset=ISO-8859-1 Content-transfer-encoding: 7bit X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprBLMWRmVeSWpSXmKPExsVy+t9jQV2N97oBBltvSVtc3jWHzeLI/35G ByaPz5vkAhijuGxSUnMyy1KL9O0SuDJ+zJjFXjBVquLn9GusDYzrxLoYOTkkBEwkPl1bxwxh i0lcuLeeDcQWEpjOKDFjoVcXIxeQ/ZpRYtuiA+wgCV4BDYmTh6+AFbEIqEpMunqPEcRmA4p/ P/gEzBYVCJNY9P4AK0S9oMSPyfdYQAaJCGxklDjdsRfMYRZoZJSY9246WJWwgL3E9P0PwWxm AR2J/a3T2CBseYnNa94yT2Dkm4Vk2CwkZbOQlC1gZF7FKJpakFxQnJSea6RXnJhbXJqXrpec n7uJERxez6R3MK5qsDjEKMDBqMTDe6BMN0CINbGsuDL3EKMEB7OSCO/yQKAQb0piZVVqUX58 UWlOavEhRmkOFiVxXhPvr/5CAumJJanZqakFqUUwWSYOTqkGxgktfy6UtDOpTzhR4W/4n1mH vbK+ac++nYFeDROyyz+u1k5o+slvkGfU9+L4+iebkwMWm6m437ui7qCSIGFa0xaTkjt/zVFB 6X8/7r9bIPmQy19L1d+l/vR6kXlq0yxvMTGk5369U5nl+ufz8pkpiZciD3zL88rYxlQhWHDx ygYbhq3/9DZeUmIpzkg01GIuKk4EAIdVqE8rAgAA X-TM-AS-MML: No Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3512 Lines: 87 For several MoviNAND, there are some known issue with secure option. For these specific MoviNAND device, we skip secure option. You could refer this discussion in XDA developers. http://forum.xda-developers.com/showthread.php?t=1644364 https://plus.google.com/111398485184813224730/posts/21pTYfTsCkB#111398485184813224730/posts/21pTYfTsCkB Signed-off-by: Ian Chen Reviewed-by: Namjae Jeon Acked-by: Jaehoon Chung --- drivers/mmc/card/block.c | 24 +++++++++++++++++++++++- include/linux/mmc/card.h | 1 + 2 files changed, 24 insertions(+), 1 deletions(-) diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index f1c84de..0377885 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -1411,7 +1411,8 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) /* complete ongoing async transfer before issuing discard */ if (card->host->areq) mmc_blk_issue_rw_rq(mq, NULL); - if (req->cmd_flags & REQ_SECURE) + if (req->cmd_flags & REQ_SECURE && + !(card->quirks & MMC_QUIRK_SEC_ERASE_TRIM_BROKEN)) ret = mmc_blk_issue_secdiscard_rq(mq, req); else ret = mmc_blk_issue_discard_rq(mq, req); @@ -1716,6 +1717,7 @@ force_ro_fail: #define CID_MANFID_SANDISK 0x2 #define CID_MANFID_TOSHIBA 0x11 #define CID_MANFID_MICRON 0x13 +#define CID_MANFID_SAMSUNG 0x15 static const struct mmc_fixup blk_fixups[] = { @@ -1752,6 +1754,26 @@ static const struct mmc_fixup blk_fixups[] = MMC_FIXUP(CID_NAME_ANY, CID_MANFID_MICRON, 0x200, add_quirk_mmc, MMC_QUIRK_LONG_READ_TIME), + /* + * Some issue about secure erase/secure trim for Samsung MoviNAND + */ + MMC_FIXUP("M8G2FA", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc, + MMC_QUIRK_SEC_ERASE_TRIM_BROKEN), + MMC_FIXUP("MAG4FA", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc, + MMC_QUIRK_SEC_ERASE_TRIM_BROKEN), + MMC_FIXUP("MBG8FA", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc, + MMC_QUIRK_SEC_ERASE_TRIM_BROKEN), + MMC_FIXUP("MCGAFA", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc, + MMC_QUIRK_SEC_ERASE_TRIM_BROKEN), + MMC_FIXUP("VAL00M", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc, + MMC_QUIRK_SEC_ERASE_TRIM_BROKEN), + MMC_FIXUP("VYL00M", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc, + MMC_QUIRK_SEC_ERASE_TRIM_BROKEN), + MMC_FIXUP("KYL00M", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc, + MMC_QUIRK_SEC_ERASE_TRIM_BROKEN), + MMC_FIXUP("VZL00M", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc, + MMC_QUIRK_SEC_ERASE_TRIM_BROKEN), + END_FIXUP }; diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h index 111aca5..4b27f9f 100644 --- a/include/linux/mmc/card.h +++ b/include/linux/mmc/card.h @@ -239,6 +239,7 @@ struct mmc_card { #define MMC_QUIRK_BLK_NO_CMD23 (1<<7) /* Avoid CMD23 for regular multiblock */ #define MMC_QUIRK_BROKEN_BYTE_MODE_512 (1<<8) /* Avoid sending 512 bytes in */ #define MMC_QUIRK_LONG_READ_TIME (1<<9) /* Data read time > CSD says */ +#define MMC_QUIRK_SEC_ERASE_TRIM_BROKEN (1<<10) /* Skip secure for erase/trim */ /* byte mode */ unsigned int poweroff_notify_state; /* eMMC4.5 notify feature */ #define MMC_NO_POWER_NOTIFICATION 0 -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/