From patchwork Wed Jan 15 14:14:07 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Seungwon Jeon X-Patchwork-Id: 3492031 Return-Path: X-Original-To: patchwork-linux-mmc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 60B7D9F32F for ; Wed, 15 Jan 2014 14:14:14 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id D71072012B for ; Wed, 15 Jan 2014 14:14:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 326E620122 for ; Wed, 15 Jan 2014 14:14:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751735AbaAOOOK (ORCPT ); Wed, 15 Jan 2014 09:14:10 -0500 Received: from mailout4.samsung.com ([203.254.224.34]:59107 "EHLO mailout4.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751526AbaAOOOJ (ORCPT ); Wed, 15 Jan 2014 09:14:09 -0500 Received: from epcpsbgr2.samsung.com (u142.gpu120.samsung.co.kr [203.254.230.142]) by mailout4.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0MZG00KDF4VJ7AD0@mailout4.samsung.com> for linux-mmc@vger.kernel.org; Wed, 15 Jan 2014 23:14:07 +0900 (KST) Received: from epcpsbgm1.samsung.com ( [203.254.230.50]) by epcpsbgr2.samsung.com (EPCPMTA) with SMTP id BA.F5.09028.FA796D25; Wed, 15 Jan 2014 23:14:07 +0900 (KST) X-AuditID: cbfee68e-b7f566d000002344-28-52d697af3485 Received: from epmmp2 ( [203.254.227.17]) by epcpsbgm1.samsung.com (EPCPMTA) with SMTP id A7.C3.29263.FA796D25; Wed, 15 Jan 2014 23:14:07 +0900 (KST) Received: from DOTGIHJUN01 ([12.23.118.161]) by mmp2.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0MZG00GEP4VJT610@mmp2.samsung.com>; Wed, 15 Jan 2014 23:14:07 +0900 (KST) From: Seungwon Jeon To: 'Chris Ball' , 'Ulf Hansson' , 'Jaehoon Chung' , 'Jackey Shen' , 'Alim Akhtar' Cc: linux-mmc@vger.kernel.org References: <1383653403-10049-1-git-send-email-ulf.hansson@linaro.org> In-reply-to: Subject: [PATCH 1/5] mmc: drop the speed mode of card's state Date: Wed, 15 Jan 2014 23:14:07 +0900 Message-id: <002701cf11fc$0da658b0$28f30a10$%jun@samsung.com> MIME-version: 1.0 Content-type: text/plain; charset=utf-8 Content-transfer-encoding: 7bit X-Mailer: Microsoft Office Outlook 12.0 Thread-index: Ac7aH/uUm1J6MxFOSyaXb4Fx/nx/rAABnFmgDfJZ22A= Content-language: ko X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrJIsWRmVeSWpSXmKPExsVy+t8zI931068FGfyfomnxYN42NosJl7cz Wky4N5HV4savNlaLI//7GS2Orw13YPNovfSXzePOtT1sHjdeLWTy6NuyitHj8ya5ANYoLpuU 1JzMstQifbsEroydJ3rZCjYmVxxas5m1gfFqYBcjJ4eEgInE1GOfWSFsMYkL99azdTFycQgJ LGOU+PN+AwtM0Z+mUywQiemMEk3PT0BV/WGUaF3QAlbFJqAl8ffNG2aQhIjAcUaJV/3HwBLM ArISF/dfZQSxhQTcJJ70LGEDsTkFeCTW/ekEauDgEBawlbi4NxIkzCKgKjFj+kt2EJsXKLzi 8kc2CFtQ4sfkeywg5cwC6hJTpuRCTJeX2LzmLdgUCaDwo7+6IKaIgJVE10xDiAoRiX0v3jGC HCYh8IhdYuO69WwQmwQkvk0+xALRKiux6QAzxLuSEgdX3GCZwCgxC8neWQh7ZyHZOwvJhgWM LKsYRVMLkguKk9KLjPSKE3OLS/PS9ZLzczcxQqK1bwfjzQPWhxiTgbZPZJYSTc4HRnteSbyh sZmRhamJqbGRuaUZacJK4ryLHiYFCQmkJ5akZqemFqQWxReV5qQWH2Jk4uCUamA0nGiwsJZv 9SvzS6L6d9JWXDgrfHLC9UuOxV/ylvlNOmtUqBrE9etX9gIjw5L9wnP+XufZv2U3q0lo6nNT Xr6C4vW7rmRtua+5OKVQScygZDan1p4kSZPH1t815+203PxH7e7nZvZsDdOSrb4L0pQKovtC /7KK7nv3pP3iDWaeHWteXRKwW+GpxFKckWioxVxUnAgAitEDROwCAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrGKsWRmVeSWpSXmKPExsVy+t9jQd31068FGRy4pWzxYN42NosJl7cz Wky4N5HV4savNlaLI//7GS2Orw13YPNovfSXzePOtT1sHjdeLWTy6NuyitHj8ya5ANaoBkab jNTElNQihdS85PyUzLx0WyXv4HjneFMzA0NdQ0sLcyWFvMTcVFslF58AXbfMHKALlBTKEnNK gUIBicXFSvp2mCaEhrjpWsA0Ruj6hgTB9RgZoIGEdYwZO0/0shVsTK44tGYzawPj1cAuRk4O CQETiT9Np1ggbDGJC/fWs3UxcnEICUxnlGh6fgLK+cMo0bqgBayKTUBL4u+bN8wgCRGB44wS r/qPgSWYBWQlLu6/yghiCwm4STzpWcIGYnMK8Eis+9MJ1MDBISxgK3FxbyRImEVAVWLG9Jfs IDYvUHjF5Y9sELagxI/J91hAypkF1CWmTMmFmC4vsXnNW7ApEkDhR391QUwRASuJrpmGEBUi EvtevGOcwCg0C8mcWQhzZiGZMwtJxwJGllWMoqkFyQXFSem5hnrFibnFpXnpesn5uZsYwang mdQOxpUNFocYBTgYlXh4f4RfDRJiTSwrrsw9xCjBwawkwquZey1IiDclsbIqtSg/vqg0J7X4 EGMy0JcTmaVEk/OBaSqvJN7Q2MTMyNLIzMLIxNycNGElcd4DrdaBQgLpiSWp2ampBalFMFuY ODilGhh765iTI2OnXJ5WsOxaw5q85V/lqkSn1J7hmtJs+yuJ5dbbmM+Zwl6MB/Pen153Sips ufmFze53NZZen2SyuCOw0821q6etMWmHwNk7K/jUP8pduhXEqS4StpRDg3UG41+GDDsOz09T HS19k+8aLjBfHjlX9+3MeZ/P1Om7fzRMsOcofZXin6zEUpyRaKjFXFScCAB22GYjSQMAAA== DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org X-Spam-Status: No, score=-7.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Timing mode identifier has same role and can take the place of speed mode. This change removes all related speed mode. Signed-off-by: Seungwon Jeon --- drivers/mmc/core/bus.c | 9 +++++---- drivers/mmc/core/core.c | 3 +-- drivers/mmc/core/mmc.c | 11 +++-------- drivers/mmc/core/sd.c | 16 +++------------- drivers/mmc/core/sd.h | 1 - drivers/mmc/core/sdio.c | 8 ++------ include/linux/mmc/card.h | 24 +++++++----------------- include/linux/mmc/host.h | 23 +++++++++++++++++++++++ 8 files changed, 44 insertions(+), 51 deletions(-) diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c index 64145a3..e8a21fb 100644 --- a/drivers/mmc/core/bus.c +++ b/drivers/mmc/core/bus.c @@ -286,6 +286,7 @@ struct mmc_card *mmc_alloc_card(struct mmc_host *host, struct device_type *type) return ERR_PTR(-ENOMEM); card->host = host; + card->ios = &host->ios; device_initialize(&card->dev); @@ -349,16 +350,16 @@ int mmc_add_card(struct mmc_card *card) if (mmc_host_is_spi(card->host)) { pr_info("%s: new %s%s%s card on SPI\n", mmc_hostname(card->host), - mmc_card_highspeed(card) ? "high speed " : "", - mmc_card_ddr_mode(card) ? "DDR " : "", + mmc_card_hs(card) ? "high speed " : "", + mmc_card_ddr52(card) ? "DDR " : "", type); } else { pr_info("%s: new %s%s%s%s%s card at address %04x\n", mmc_hostname(card->host), mmc_card_uhs(card) ? "ultra high speed " : - (mmc_card_highspeed(card) ? "high speed " : ""), + (mmc_card_hs(card) ? "high speed " : ""), (mmc_card_hs200(card) ? "HS200 " : ""), - mmc_card_ddr_mode(card) ? "DDR " : "", + mmc_card_ddr52(card) ? "DDR " : "", uhs_bus_speed_mode, type, card->rca); } diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index 098374b..88433bd 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -2198,7 +2198,7 @@ int mmc_set_blocklen(struct mmc_card *card, unsigned int blocklen) { struct mmc_command cmd = {0}; - if (mmc_card_blockaddr(card) || mmc_card_ddr_mode(card)) + if (mmc_card_blockaddr(card) || mmc_card_ddr52(card)) return 0; cmd.opcode = MMC_SET_BLOCKLEN; @@ -2281,7 +2281,6 @@ static int mmc_do_hw_reset(struct mmc_host *host, int check) } } - host->card->state &= ~(MMC_STATE_HIGHSPEED | MMC_STATE_HIGHSPEED_DDR); if (mmc_host_is_spi(host)) { host->ios.chip_select = MMC_CS_HIGH; host->ios.bus_mode = MMC_BUSMODE_PUSHPULL; diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index 6d91ff7..613e641 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -1088,11 +1088,9 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr, } else { if (card->ext_csd.hs_max_dtr > 52000000 && host->caps2 & MMC_CAP2_HS200) { - mmc_card_set_hs200(card); mmc_set_timing(card->host, MMC_TIMING_MMC_HS200); } else { - mmc_card_set_highspeed(card); mmc_set_timing(card->host, MMC_TIMING_MMC_HS); } } @@ -1103,10 +1101,10 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr, */ max_dtr = (unsigned int)-1; - if (mmc_card_highspeed(card) || mmc_card_hs200(card)) { + if (mmc_card_hs(card) || mmc_card_hs200(card)) { if (max_dtr > card->ext_csd.hs_max_dtr) max_dtr = card->ext_csd.hs_max_dtr; - if (mmc_card_highspeed(card) && (max_dtr > 52000000)) + if (mmc_card_hs(card) && (max_dtr > 52000000)) max_dtr = 52000000; } else if (max_dtr > card->csd.max_dtr) { max_dtr = card->csd.max_dtr; @@ -1117,7 +1115,7 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr, /* * Indicate DDR mode (if supported). */ - if (mmc_card_highspeed(card)) { + if (mmc_card_hs(card)) { if ((card->ext_csd.card_type & EXT_CSD_CARD_TYPE_DDR_1_8V) && (host->caps & MMC_CAP_1_8V_DDR)) ddr = MMC_1_8V_DDR_MODE; @@ -1260,7 +1258,6 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr, if (err) goto err; } - mmc_card_set_ddr_mode(card); mmc_set_timing(card->host, MMC_TIMING_MMC_DDR52); mmc_set_bus_width(card->host, bus_width); } @@ -1495,7 +1492,6 @@ static int _mmc_suspend(struct mmc_host *host, bool is_suspend) err = mmc_sleep(host); else if (!mmc_host_is_spi(host)) err = mmc_deselect_cards(host); - host->card->state &= ~(MMC_STATE_HIGHSPEED | MMC_STATE_HIGHSPEED_200); if (!err) { mmc_power_off(host); @@ -1625,7 +1621,6 @@ static int mmc_power_restore(struct mmc_host *host) { int ret; - host->card->state &= ~(MMC_STATE_HIGHSPEED | MMC_STATE_HIGHSPEED_200); mmc_claim_host(host); ret = mmc_init_card(host, host->card->ocr, host->card); mmc_release_host(host); diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c index 692fdb1..54dd3d1 100644 --- a/drivers/mmc/core/sd.c +++ b/drivers/mmc/core/sd.c @@ -895,7 +895,7 @@ unsigned mmc_sd_get_max_clock(struct mmc_card *card) { unsigned max_dtr = (unsigned int)-1; - if (mmc_card_highspeed(card)) { + if (mmc_card_hs(card)) { if (max_dtr > card->sw_caps.hs_max_dtr) max_dtr = card->sw_caps.hs_max_dtr; } else if (max_dtr > card->csd.max_dtr) { @@ -905,12 +905,6 @@ unsigned mmc_sd_get_max_clock(struct mmc_card *card) return max_dtr; } -void mmc_sd_go_highspeed(struct mmc_card *card) -{ - mmc_card_set_highspeed(card); - mmc_set_timing(card->host, MMC_TIMING_SD_HS); -} - /* * Handle the detection and initialisation of a card. * @@ -985,16 +979,13 @@ static int mmc_sd_init_card(struct mmc_host *host, u32 ocr, err = mmc_sd_init_uhs_card(card); if (err) goto free_card; - - /* Card is an ultra-high-speed card */ - mmc_card_set_uhs(card); } else { /* * Attempt to change to high-speed (if supported) */ err = mmc_sd_switch_hs(card); if (err > 0) - mmc_sd_go_highspeed(card); + mmc_set_timing(card->host, MMC_TIMING_SD_HS); else if (err) goto free_card; @@ -1089,7 +1080,7 @@ static int _mmc_sd_suspend(struct mmc_host *host) if (!mmc_host_is_spi(host)) err = mmc_deselect_cards(host); - host->card->state &= ~MMC_STATE_HIGHSPEED; + if (!err) { mmc_power_off(host); mmc_card_set_suspended(host->card); @@ -1198,7 +1189,6 @@ static int mmc_sd_power_restore(struct mmc_host *host) { int ret; - host->card->state &= ~MMC_STATE_HIGHSPEED; mmc_claim_host(host); ret = mmc_sd_init_card(host, host->card->ocr, host->card); mmc_release_host(host); diff --git a/drivers/mmc/core/sd.h b/drivers/mmc/core/sd.h index 4b34b24..aab824a 100644 --- a/drivers/mmc/core/sd.h +++ b/drivers/mmc/core/sd.h @@ -12,6 +12,5 @@ int mmc_sd_setup_card(struct mmc_host *host, struct mmc_card *card, bool reinit); unsigned mmc_sd_get_max_clock(struct mmc_card *card); int mmc_sd_switch_hs(struct mmc_card *card); -void mmc_sd_go_highspeed(struct mmc_card *card); #endif diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c index 4d721c6..ef57d2d 100644 --- a/drivers/mmc/core/sdio.c +++ b/drivers/mmc/core/sdio.c @@ -363,7 +363,7 @@ static unsigned mmc_sdio_get_max_clock(struct mmc_card *card) { unsigned max_dtr; - if (mmc_card_highspeed(card)) { + if (mmc_card_hs(card)) { /* * The SDIO specification doesn't mention how * the CIS transfer speed register relates to @@ -733,7 +733,6 @@ try_again: mmc_set_clock(host, card->cis.max_dtr); if (card->cccr.high_speed) { - mmc_card_set_highspeed(card); mmc_set_timing(card->host, MMC_TIMING_SD_HS); } @@ -792,16 +791,13 @@ try_again: err = mmc_sdio_init_uhs_card(card); if (err) goto remove; - - /* Card is an ultra-high-speed card */ - mmc_card_set_uhs(card); } else { /* * Switch to high-speed (if supported). */ err = sdio_enable_hs(card); if (err > 0) - mmc_sd_go_highspeed(card); + mmc_set_timing(card->host, MMC_TIMING_SD_HS); else if (err) goto remove; diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h index 176fdf8..fb13bf9 100644 --- a/include/linux/mmc/card.h +++ b/include/linux/mmc/card.h @@ -194,6 +194,7 @@ struct sdio_cis { }; struct mmc_host; +struct mmc_ios; struct sdio_func; struct sdio_func_tuple; @@ -239,6 +240,7 @@ struct mmc_part { */ struct mmc_card { struct mmc_host *host; /* the host this device belongs to */ + struct mmc_ios *ios; /* bus settings of host */ struct device dev; /* the device */ u32 ocr; /* the current OCR setting */ unsigned int rca; /* relative card address of device */ @@ -250,15 +252,11 @@ struct mmc_card { unsigned int state; /* (our) card state */ #define MMC_STATE_PRESENT (1<<0) /* present in sysfs */ #define MMC_STATE_READONLY (1<<1) /* card is read-only */ -#define MMC_STATE_HIGHSPEED (1<<2) /* card is in high speed mode */ -#define MMC_STATE_BLOCKADDR (1<<3) /* card uses block-addressing */ -#define MMC_STATE_HIGHSPEED_DDR (1<<4) /* card is in high speed mode */ -#define MMC_STATE_ULTRAHIGHSPEED (1<<5) /* card is in ultra high speed mode */ -#define MMC_CARD_SDXC (1<<6) /* card is SDXC */ -#define MMC_CARD_REMOVED (1<<7) /* card has been removed */ -#define MMC_STATE_HIGHSPEED_200 (1<<8) /* card is in HS200 mode */ -#define MMC_STATE_DOING_BKOPS (1<<10) /* card is doing BKOPS */ -#define MMC_STATE_SUSPENDED (1<<11) /* card is suspended */ +#define MMC_STATE_BLOCKADDR (1<<2) /* card uses block-addressing */ +#define MMC_CARD_SDXC (1<<3) /* card is SDXC */ +#define MMC_CARD_REMOVED (1<<4) /* card has been removed */ +#define MMC_STATE_DOING_BKOPS (1<<5) /* card is doing BKOPS */ +#define MMC_STATE_SUSPENDED (1<<6) /* card is suspended */ unsigned int quirks; /* card quirks */ #define MMC_QUIRK_LENIENT_FN0 (1<<0) /* allow SDIO FN0 writes outside of the VS CCCR range */ #define MMC_QUIRK_BLKSZ_FOR_BYTE_MODE (1<<1) /* use func->cur_blksize */ @@ -417,11 +415,7 @@ static inline void __maybe_unused remove_quirk(struct mmc_card *card, int data) #define mmc_card_present(c) ((c)->state & MMC_STATE_PRESENT) #define mmc_card_readonly(c) ((c)->state & MMC_STATE_READONLY) -#define mmc_card_highspeed(c) ((c)->state & MMC_STATE_HIGHSPEED) -#define mmc_card_hs200(c) ((c)->state & MMC_STATE_HIGHSPEED_200) #define mmc_card_blockaddr(c) ((c)->state & MMC_STATE_BLOCKADDR) -#define mmc_card_ddr_mode(c) ((c)->state & MMC_STATE_HIGHSPEED_DDR) -#define mmc_card_uhs(c) ((c)->state & MMC_STATE_ULTRAHIGHSPEED) #define mmc_card_ext_capacity(c) ((c)->state & MMC_CARD_SDXC) #define mmc_card_removed(c) ((c) && ((c)->state & MMC_CARD_REMOVED)) #define mmc_card_doing_bkops(c) ((c)->state & MMC_STATE_DOING_BKOPS) @@ -429,11 +423,7 @@ static inline void __maybe_unused remove_quirk(struct mmc_card *card, int data) #define mmc_card_set_present(c) ((c)->state |= MMC_STATE_PRESENT) #define mmc_card_set_readonly(c) ((c)->state |= MMC_STATE_READONLY) -#define mmc_card_set_highspeed(c) ((c)->state |= MMC_STATE_HIGHSPEED) -#define mmc_card_set_hs200(c) ((c)->state |= MMC_STATE_HIGHSPEED_200) #define mmc_card_set_blockaddr(c) ((c)->state |= MMC_STATE_BLOCKADDR) -#define mmc_card_set_ddr_mode(c) ((c)->state |= MMC_STATE_HIGHSPEED_DDR) -#define mmc_card_set_uhs(c) ((c)->state |= MMC_STATE_ULTRAHIGHSPEED) #define mmc_card_set_ext_capacity(c) ((c)->state |= MMC_CARD_SDXC) #define mmc_card_set_removed(c) ((c)->state |= MMC_CARD_REMOVED) #define mmc_card_set_doing_bkops(c) ((c)->state |= MMC_STATE_DOING_BKOPS) diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index 87b1f4f..71977f4 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -17,6 +17,7 @@ #include #include +#include #include struct mmc_ios { @@ -485,4 +486,26 @@ static inline unsigned int mmc_host_clk_rate(struct mmc_host *host) return host->ios.clock; } #endif + +static inline int mmc_card_hs(struct mmc_card *card) +{ + return card->ios->timing == MMC_TIMING_SD_HS || + card->ios->timing == MMC_TIMING_MMC_HS; +} + +static inline int mmc_card_uhs(struct mmc_card *card) +{ + return card->ios->timing >= MMC_TIMING_UHS_SDR12 && + card->ios->timing <= MMC_TIMING_UHS_DDR50; +} + +static inline bool mmc_card_hs200(struct mmc_card *card) +{ + return card->ios->timing == MMC_TIMING_MMC_HS200; +} + +static inline bool mmc_card_ddr52(struct mmc_card *card) +{ + return card->ios->timing == MMC_TIMING_MMC_DDR52; +} #endif /* LINUX_MMC_HOST_H */