diff options
Diffstat (limited to 'drivers/mmc/core')
34 files changed, 135 insertions, 149 deletions
diff --git a/drivers/mmc/core/Kconfig b/drivers/mmc/core/Kconfig index 2f38a7ad07e0..c12fe13e4b14 100644 --- a/drivers/mmc/core/Kconfig +++ b/drivers/mmc/core/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only # # MMC core configuration # diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c index fc92c6c1c9a4..74de3f2dda38 100644 --- a/drivers/mmc/core/bus.c +++ b/drivers/mmc/core/bus.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * linux/drivers/mmc/core/bus.c * * Copyright (C) 2003 Russell King, All Rights Reserved. * Copyright (C) 2007 Pierre Ossman * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * * MMC card bus driver model */ diff --git a/drivers/mmc/core/bus.h b/drivers/mmc/core/bus.h index 72b0ef03f10a..8105852c4b62 100644 --- a/drivers/mmc/core/bus.h +++ b/drivers/mmc/core/bus.h @@ -1,12 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * linux/drivers/mmc/core/bus.h * * Copyright (C) 2003 Russell King, All Rights Reserved. * Copyright 2007 Pierre Ossman - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef _MMC_CORE_BUS_H #define _MMC_CORE_BUS_H diff --git a/drivers/mmc/core/card.h b/drivers/mmc/core/card.h index eef301452406..7bd392d55cfa 100644 --- a/drivers/mmc/core/card.h +++ b/drivers/mmc/core/card.h @@ -1,11 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Private header for the mmc subsystem * * Copyright (C) 2016 Linaro Ltd * * Author: Ulf Hansson <ulf.hansson@linaro.org> - * - * License terms: GNU General Public License (GPL) version 2 */ #ifndef _MMC_CORE_CARD_H diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index 6db36dc870b5..221127324709 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * linux/drivers/mmc/core/core.c * @@ -5,10 +6,6 @@ * SD support Copyright (C) 2004 Ian Molton, All Rights Reserved. * Copyright (C) 2005-2008 Pierre Ossman, All Rights Reserved. * MMCv4 support Copyright (C) 2006 Philip Langdale, All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/module.h> #include <linux/init.h> @@ -144,8 +141,9 @@ void mmc_request_done(struct mmc_host *host, struct mmc_request *mrq) int err = cmd->error; /* Flag re-tuning needed on CRC errors */ - if ((cmd->opcode != MMC_SEND_TUNING_BLOCK && - cmd->opcode != MMC_SEND_TUNING_BLOCK_HS200) && + if (cmd->opcode != MMC_SEND_TUNING_BLOCK && + cmd->opcode != MMC_SEND_TUNING_BLOCK_HS200 && + !host->retune_crc_disable && (err == -EILSEQ || (mrq->sbc && mrq->sbc->error == -EILSEQ) || (mrq->data && mrq->data->error == -EILSEQ) || (mrq->stop && mrq->stop->error == -EILSEQ))) diff --git a/drivers/mmc/core/core.h b/drivers/mmc/core/core.h index b5083b13d594..328c78dbee66 100644 --- a/drivers/mmc/core/core.h +++ b/drivers/mmc/core/core.h @@ -1,12 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * linux/drivers/mmc/core/core.h * * Copyright (C) 2003 Russell King, All Rights Reserved. * Copyright 2007 Pierre Ossman - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef _MMC_CORE_CORE_H #define _MMC_CORE_CORE_H diff --git a/drivers/mmc/core/debugfs.c b/drivers/mmc/core/debugfs.c index d2275c5a2311..2797771a5fa8 100644 --- a/drivers/mmc/core/debugfs.c +++ b/drivers/mmc/core/debugfs.c @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Debugfs support for hosts and cards * * Copyright (C) 2008 Atmel Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/moduleparam.h> #include <linux/export.h> diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c index 6a51f7a06ce7..105b7a7c0251 100644 --- a/drivers/mmc/core/host.c +++ b/drivers/mmc/core/host.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * linux/drivers/mmc/core/host.c * @@ -5,10 +6,6 @@ * Copyright (C) 2007-2008 Pierre Ossman * Copyright (C) 2010 Linus Walleij * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * * MMC host class device management */ diff --git a/drivers/mmc/core/host.h b/drivers/mmc/core/host.h index 4805438c02ff..5e3b9534ffb2 100644 --- a/drivers/mmc/core/host.h +++ b/drivers/mmc/core/host.h @@ -1,12 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * linux/drivers/mmc/core/host.h * * Copyright (C) 2003 Russell King, All Rights Reserved. * Copyright 2007 Pierre Ossman - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef _MMC_CORE_HOST_H #define _MMC_CORE_HOST_H diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index 3e786ba204c3..c8804895595f 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * linux/drivers/mmc/core/mmc.c * * Copyright (C) 2003-2004 Russell King, All Rights Reserved. * Copyright (C) 2005-2007 Pierre Ossman, All Rights Reserved. * MMCv4 support Copyright (C) 2006 Philip Langdale, All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/err.h> @@ -1212,13 +1209,13 @@ static int mmc_select_hs400(struct mmc_card *card) mmc_set_timing(host, MMC_TIMING_MMC_HS400); mmc_set_bus_speed(card); + if (host->ops->hs400_complete) + host->ops->hs400_complete(host); + err = mmc_switch_status(card); if (err) goto out_err; - if (host->ops->hs400_complete) - host->ops->hs400_complete(host); - return 0; out_err: diff --git a/drivers/mmc/core/mmc_ops.c b/drivers/mmc/core/mmc_ops.c index a533cab8fccc..74e4364bc9fb 100644 --- a/drivers/mmc/core/mmc_ops.c +++ b/drivers/mmc/core/mmc_ops.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * linux/drivers/mmc/core/mmc_ops.h * * Copyright 2006-2007 Pierre Ossman - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or (at - * your option) any later version. */ #include <linux/slab.h> diff --git a/drivers/mmc/core/mmc_ops.h b/drivers/mmc/core/mmc_ops.h index 018a5e3f66d6..8f2f9475716d 100644 --- a/drivers/mmc/core/mmc_ops.h +++ b/drivers/mmc/core/mmc_ops.h @@ -1,12 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * linux/drivers/mmc/core/mmc_ops.h * * Copyright 2006-2007 Pierre Ossman - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or (at - * your option) any later version. */ #ifndef _MMC_MMC_OPS_H diff --git a/drivers/mmc/core/mmc_test.c b/drivers/mmc/core/mmc_test.c index eabb1cab1765..b27df2d2b5ae 100644 --- a/drivers/mmc/core/mmc_test.c +++ b/drivers/mmc/core/mmc_test.c @@ -1,10 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright 2007-2008 Pierre Ossman - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or (at - * your option) any later version. */ #include <linux/mmc/core.h> diff --git a/drivers/mmc/core/pwrseq.c b/drivers/mmc/core/pwrseq.c index e3ad30fa8307..ef675f364bf0 100644 --- a/drivers/mmc/core/pwrseq.c +++ b/drivers/mmc/core/pwrseq.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2014 Linaro Ltd * * Author: Ulf Hansson <ulf.hansson@linaro.org> * - * License terms: GNU General Public License (GPL) version 2 - * * MMC power sequence management */ #include <linux/kernel.h> diff --git a/drivers/mmc/core/pwrseq.h b/drivers/mmc/core/pwrseq.h index 819386f4ec61..f3bb103db9ad 100644 --- a/drivers/mmc/core/pwrseq.h +++ b/drivers/mmc/core/pwrseq.h @@ -1,9 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2014 Linaro Ltd * * Author: Ulf Hansson <ulf.hansson@linaro.org> - * - * License terms: GNU General Public License (GPL) version 2 */ #ifndef _MMC_CORE_PWRSEQ_H #define _MMC_CORE_PWRSEQ_H diff --git a/drivers/mmc/core/pwrseq_emmc.c b/drivers/mmc/core/pwrseq_emmc.c index 154f4204d58c..f6dde9edd7a3 100644 --- a/drivers/mmc/core/pwrseq_emmc.c +++ b/drivers/mmc/core/pwrseq_emmc.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2015, Samsung Electronics Co., Ltd. * * Author: Marek Szyprowski <m.szyprowski@samsung.com> * - * License terms: GNU General Public License (GPL) version 2 - * * Simple eMMC hardware reset provider */ #include <linux/delay.h> diff --git a/drivers/mmc/core/pwrseq_sd8787.c b/drivers/mmc/core/pwrseq_sd8787.c index 1a21e14458d3..68a826f1c0a1 100644 --- a/drivers/mmc/core/pwrseq_sd8787.c +++ b/drivers/mmc/core/pwrseq_sd8787.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * pwrseq_sd8787.c - power sequence support for Marvell SD8787 BT + Wifi chip * @@ -6,17 +7,6 @@ * Based on the original work pwrseq_simple.c * Copyright (C) 2014 Linaro Ltd * Author: Ulf Hansson <ulf.hansson@linaro.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ #include <linux/delay.h> diff --git a/drivers/mmc/core/pwrseq_simple.c b/drivers/mmc/core/pwrseq_simple.c index ece34c734693..ea4d3670560e 100644 --- a/drivers/mmc/core/pwrseq_simple.c +++ b/drivers/mmc/core/pwrseq_simple.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2014 Linaro Ltd * * Author: Ulf Hansson <ulf.hansson@linaro.org> * - * License terms: GNU General Public License (GPL) version 2 - * * Simple MMC power sequence management */ #include <linux/clk.h> diff --git a/drivers/mmc/core/queue.c b/drivers/mmc/core/queue.c index b5b9c6142f08..3557d5c51141 100644 --- a/drivers/mmc/core/queue.c +++ b/drivers/mmc/core/queue.c @@ -1,11 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2003 Russell King, All Rights Reserved. * Copyright 2006-2007 Pierre Ossman - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * */ #include <linux/slab.h> #include <linux/module.h> @@ -377,6 +373,8 @@ static void mmc_setup_queue(struct mmc_queue *mq, struct mmc_card *card) blk_queue_max_segment_size(mq->queue, round_down(host->max_seg_size, block_size)); + dma_set_max_seg_size(mmc_dev(host), queue_max_segment_size(mq->queue)); + INIT_WORK(&mq->recovery_work, mmc_mq_recovery_handler); INIT_WORK(&mq->complete_work, mmc_blk_mq_complete_work); diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c index d3d32f9a2cb1..d681e8aaca83 100644 --- a/drivers/mmc/core/sd.c +++ b/drivers/mmc/core/sd.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * linux/drivers/mmc/core/sd.c * * Copyright (C) 2003-2004 Russell King, All Rights Reserved. * SD support Copyright (C) 2004 Ian Molton, All Rights Reserved. * Copyright (C) 2005-2007 Pierre Ossman, All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/err.h> diff --git a/drivers/mmc/core/sd_ops.c b/drivers/mmc/core/sd_ops.c index 0bb0b8419016..22bf528294b9 100644 --- a/drivers/mmc/core/sd_ops.c +++ b/drivers/mmc/core/sd_ops.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * linux/drivers/mmc/core/sd_ops.h * * Copyright 2006-2007 Pierre Ossman - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or (at - * your option) any later version. */ #include <linux/slab.h> diff --git a/drivers/mmc/core/sd_ops.h b/drivers/mmc/core/sd_ops.h index ffaed5cacc88..2194cabfcfc5 100644 --- a/drivers/mmc/core/sd_ops.h +++ b/drivers/mmc/core/sd_ops.h @@ -1,12 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * linux/drivers/mmc/core/sd_ops.h * * Copyright 2006-2007 Pierre Ossman - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or (at - * your option) any later version. */ #ifndef _MMC_SD_OPS_H diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c index 6718fc8bb40f..712a7742765e 100644 --- a/drivers/mmc/core/sdio.c +++ b/drivers/mmc/core/sdio.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * linux/drivers/mmc/sdio.c * * Copyright 2006-2007 Pierre Ossman - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or (at - * your option) any later version. */ #include <linux/err.h> @@ -941,6 +937,10 @@ static int mmc_sdio_pre_suspend(struct mmc_host *host) */ static int mmc_sdio_suspend(struct mmc_host *host) { + /* Prevent processing of SDIO IRQs in suspended state. */ + mmc_card_set_suspended(host->card); + cancel_delayed_work_sync(&host->sdio_irq_work); + mmc_claim_host(host); if (mmc_card_keep_power(host) && mmc_card_wake_sdio_irq(host)) @@ -989,13 +989,20 @@ static int mmc_sdio_resume(struct mmc_host *host) err = sdio_enable_4bit_bus(host->card); } - if (!err && host->sdio_irqs) { + if (err) + goto out; + + /* Allow SDIO IRQs to be processed again. */ + mmc_card_clr_suspended(host->card); + + if (host->sdio_irqs) { if (!(host->caps2 & MMC_CAP2_SDIO_IRQ_NOTHREAD)) wake_up_process(host->sdio_irq_thread); else if (host->caps & MMC_CAP_SDIO_IRQ) host->ops->enable_sdio_irq(host, 1); } +out: mmc_release_host(host); host->pm_flags &= ~MMC_PM_KEEP_POWER; diff --git a/drivers/mmc/core/sdio_bus.c b/drivers/mmc/core/sdio_bus.c index 62b0f5ecc7f7..2963e6542958 100644 --- a/drivers/mmc/core/sdio_bus.c +++ b/drivers/mmc/core/sdio_bus.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * linux/drivers/mmc/core/sdio_bus.c * * Copyright 2007 Pierre Ossman * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or (at - * your option) any later version. - * * SDIO function driver model */ diff --git a/drivers/mmc/core/sdio_bus.h b/drivers/mmc/core/sdio_bus.h index b69a2540a076..27b8069a72ab 100644 --- a/drivers/mmc/core/sdio_bus.h +++ b/drivers/mmc/core/sdio_bus.h @@ -1,12 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * linux/drivers/mmc/core/sdio_bus.h * * Copyright 2007 Pierre Ossman - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or (at - * your option) any later version. */ #ifndef _MMC_CORE_SDIO_BUS_H #define _MMC_CORE_SDIO_BUS_H diff --git a/drivers/mmc/core/sdio_cis.c b/drivers/mmc/core/sdio_cis.c index f8c372839d24..e0655278c5c3 100644 --- a/drivers/mmc/core/sdio_cis.c +++ b/drivers/mmc/core/sdio_cis.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * linux/drivers/mmc/core/sdio_cis.c * @@ -6,11 +7,6 @@ * Copyright: MontaVista Software Inc. * * Copyright 2007 Pierre Ossman - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or (at - * your option) any later version. */ #include <linux/kernel.h> diff --git a/drivers/mmc/core/sdio_cis.h b/drivers/mmc/core/sdio_cis.h index 16aa563faa00..6d76f6fa608c 100644 --- a/drivers/mmc/core/sdio_cis.h +++ b/drivers/mmc/core/sdio_cis.h @@ -1,14 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * linux/drivers/mmc/core/sdio_cis.h * * Author: Nicolas Pitre * Created: June 11, 2007 * Copyright: MontaVista Software Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or (at - * your option) any later version. */ #ifndef _MMC_SDIO_CIS_H diff --git a/drivers/mmc/core/sdio_io.c b/drivers/mmc/core/sdio_io.c index 3f67fbbe0d75..2ba00acf64e6 100644 --- a/drivers/mmc/core/sdio_io.c +++ b/drivers/mmc/core/sdio_io.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * linux/drivers/mmc/core/sdio_io.c * * Copyright 2007-2008 Pierre Ossman - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or (at - * your option) any later version. */ #include <linux/export.h> @@ -19,6 +15,7 @@ #include "sdio_ops.h" #include "core.h" #include "card.h" +#include "host.h" /** * sdio_claim_host - exclusively claim a bus for a certain SDIO function @@ -738,3 +735,79 @@ int sdio_set_host_pm_flags(struct sdio_func *func, mmc_pm_flag_t flags) return 0; } EXPORT_SYMBOL_GPL(sdio_set_host_pm_flags); + +/** + * sdio_retune_crc_disable - temporarily disable retuning on CRC errors + * @func: SDIO function attached to host + * + * If the SDIO card is known to be in a state where it might produce + * CRC errors on the bus in response to commands (like if we know it is + * transitioning between power states), an SDIO function driver can + * call this function to temporarily disable the SD/MMC core behavior of + * triggering an automatic retuning. + * + * This function should be called while the host is claimed and the host + * should remain claimed until sdio_retune_crc_enable() is called. + * Specifically, the expected sequence of calls is: + * - sdio_claim_host() + * - sdio_retune_crc_disable() + * - some number of calls like sdio_writeb() and sdio_readb() + * - sdio_retune_crc_enable() + * - sdio_release_host() + */ +void sdio_retune_crc_disable(struct sdio_func *func) +{ + func->card->host->retune_crc_disable = true; +} +EXPORT_SYMBOL_GPL(sdio_retune_crc_disable); + +/** + * sdio_retune_crc_enable - re-enable retuning on CRC errors + * @func: SDIO function attached to host + * + * This is the compement to sdio_retune_crc_disable(). + */ +void sdio_retune_crc_enable(struct sdio_func *func) +{ + func->card->host->retune_crc_disable = false; +} +EXPORT_SYMBOL_GPL(sdio_retune_crc_enable); + +/** + * sdio_retune_hold_now - start deferring retuning requests till release + * @func: SDIO function attached to host + * + * This function can be called if it's currently a bad time to do + * a retune of the SDIO card. Retune requests made during this time + * will be held and we'll actually do the retune sometime after the + * release. + * + * This function could be useful if an SDIO card is in a power state + * where it can respond to a small subset of commands that doesn't + * include the retuning command. Care should be taken when using + * this function since (presumably) the retuning request we might be + * deferring was made for a good reason. + * + * This function should be called while the host is claimed. + */ +void sdio_retune_hold_now(struct sdio_func *func) +{ + mmc_retune_hold_now(func->card->host); +} +EXPORT_SYMBOL_GPL(sdio_retune_hold_now); + +/** + * sdio_retune_release - signal that it's OK to retune now + * @func: SDIO function attached to host + * + * This is the complement to sdio_retune_hold_now(). Calling this + * function won't make a retune happen right away but will allow + * them to be scheduled normally. + * + * This function should be called while the host is claimed. + */ +void sdio_retune_release(struct sdio_func *func) +{ + mmc_retune_release(func->card->host); +} +EXPORT_SYMBOL_GPL(sdio_retune_release); diff --git a/drivers/mmc/core/sdio_irq.c b/drivers/mmc/core/sdio_irq.c index 7ca7b99413f0..9f54a259a1b3 100644 --- a/drivers/mmc/core/sdio_irq.c +++ b/drivers/mmc/core/sdio_irq.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * linux/drivers/mmc/core/sdio_irq.c * @@ -6,11 +7,6 @@ * Copyright: MontaVista Software Inc. * * Copyright 2008 Pierre Ossman - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or (at - * your option) any later version. */ #include <linux/kernel.h> @@ -38,6 +34,10 @@ static int process_sdio_pending_irqs(struct mmc_host *host) unsigned char pending; struct sdio_func *func; + /* Don't process SDIO IRQs if the card is suspended. */ + if (mmc_card_suspended(card)) + return 0; + /* * Optimization, if there is only 1 function interrupt registered * and we know an IRQ was signaled then call irq handler directly. diff --git a/drivers/mmc/core/sdio_ops.c b/drivers/mmc/core/sdio_ops.c index abaaba38514f..93d346c01110 100644 --- a/drivers/mmc/core/sdio_ops.c +++ b/drivers/mmc/core/sdio_ops.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * linux/drivers/mmc/sdio_ops.c * * Copyright 2006-2007 Pierre Ossman - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or (at - * your option) any later version. */ #include <linux/scatterlist.h> diff --git a/drivers/mmc/core/sdio_ops.h b/drivers/mmc/core/sdio_ops.h index 1f6d0447ea0f..37f79732a206 100644 --- a/drivers/mmc/core/sdio_ops.h +++ b/drivers/mmc/core/sdio_ops.h @@ -1,12 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * linux/drivers/mmc/sdio_ops.c * * Copyright 2006-2007 Pierre Ossman - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or (at - * your option) any later version. */ #ifndef _MMC_SDIO_OPS_H diff --git a/drivers/mmc/core/sdio_uart.c b/drivers/mmc/core/sdio_uart.c index 25e113001a3c..be4067281caa 100644 --- a/drivers/mmc/core/sdio_uart.c +++ b/drivers/mmc/core/sdio_uart.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * SDIO UART/GPS driver * @@ -7,11 +8,6 @@ * Author: Nicolas Pitre * Created: June 15, 2007 * Copyright: MontaVista Software, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or (at - * your option) any later version. */ /* diff --git a/drivers/mmc/core/slot-gpio.c b/drivers/mmc/core/slot-gpio.c index 4afc6b87b465..da2596c5fa28 100644 --- a/drivers/mmc/core/slot-gpio.c +++ b/drivers/mmc/core/slot-gpio.c @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Generic GPIO card-detect helper * * Copyright (C) 2011, Guennadi Liakhovetski <g.liakhovetski@gmx.de> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/err.h> diff --git a/drivers/mmc/core/slot-gpio.h b/drivers/mmc/core/slot-gpio.h index a06fd843f025..546a5843b40b 100644 --- a/drivers/mmc/core/slot-gpio.h +++ b/drivers/mmc/core/slot-gpio.h @@ -1,9 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2014 Linaro Ltd * * Author: Ulf Hansson <ulf.hansson@linaro.org> - * - * License terms: GNU General Public License (GPL) version 2 */ #ifndef _MMC_CORE_SLOTGPIO_H #define _MMC_CORE_SLOTGPIO_H |