Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc: (26 commits) mmc: sdio_ops.c should #include "sdio_ops.h" mmc: proper prototypes for mmc_attach_*() mmc: make __mmc_release_bus() static sdhci: improve no card, no reset quirk MMC: OMAP: Do not busy wait for end of command for ever MMC: OMAP: Start new commands from work queue instead of irq MMC: OMAP: Lazy clock shutdown MMC: OMAP: Move failing command abortion to workqueue MMC: OMAP: Use tasklet instead of workqueue for cover switch notification MMC: OMAP: Check the get_cover_state function pointer if not set MMC: OMAP: Using setup_timer instead of init_timer MMC: OMAP: Abort stuck commands MMC: OMAP: General cleanup for MMC multislot support MMC: OMAP: Power functions modified to MMC multislot support MMC: OMAP: Fix timeout calculation for MMC multislot support MMC: OMAP: New release dma and abort xfer functions MMC: OMAP: Add back cover switch support MMC: OMAP: Introduce new multislot structure and change driver to use it MMC: OMAP: Remove cover switch handling to allow adding multislot support MMC: OMAP: Fix the BYTEBLOCK capability removal ...
This commit is contained in:
Linus Torvalds
Коммит
135cedad74
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@ -35,10 +35,6 @@
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#include "sd_ops.h"
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#include "sdio_ops.h"
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extern int mmc_attach_mmc(struct mmc_host *host, u32 ocr);
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extern int mmc_attach_sd(struct mmc_host *host, u32 ocr);
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extern int mmc_attach_sdio(struct mmc_host *host, u32 ocr);
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static struct workqueue_struct *workqueue;
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/*
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@ -516,7 +512,7 @@ static void mmc_power_off(struct mmc_host *host)
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/*
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* Cleanup when the last reference to the bus operator is dropped.
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*/
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void __mmc_release_bus(struct mmc_host *host)
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static void __mmc_release_bus(struct mmc_host *host)
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{
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BUG_ON(!host);
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BUG_ON(host->bus_refs);
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@ -46,6 +46,10 @@ void mmc_rescan(struct work_struct *work);
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void mmc_start_host(struct mmc_host *host);
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void mmc_stop_host(struct mmc_host *host);
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int mmc_attach_mmc(struct mmc_host *host, u32 ocr);
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int mmc_attach_sd(struct mmc_host *host, u32 ocr);
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int mmc_attach_sdio(struct mmc_host *host, u32 ocr);
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extern int use_spi_crc;
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#endif
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@ -2,7 +2,7 @@
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* linux/drivers/mmc/core/host.c
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*
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* Copyright (C) 2003 Russell King, All Rights Reserved.
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* Copyright (C) 2007 Pierre Ossman
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* Copyright (C) 2007-2008 Pierre Ossman
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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@ -57,12 +57,25 @@ static DEFINE_SPINLOCK(mmc_host_lock);
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*/
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struct mmc_host *mmc_alloc_host(int extra, struct device *dev)
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{
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int err;
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struct mmc_host *host;
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if (!idr_pre_get(&mmc_host_idr, GFP_KERNEL))
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return NULL;
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host = kzalloc(sizeof(struct mmc_host) + extra, GFP_KERNEL);
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if (!host)
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return NULL;
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spin_lock(&mmc_host_lock);
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err = idr_get_new(&mmc_host_idr, host, &host->index);
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spin_unlock(&mmc_host_lock);
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if (err)
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goto free;
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snprintf(host->class_dev.bus_id, BUS_ID_SIZE,
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"mmc%d", host->index);
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host->parent = dev;
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host->class_dev.parent = dev;
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host->class_dev.class = &mmc_host_class;
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@ -85,6 +98,10 @@ struct mmc_host *mmc_alloc_host(int extra, struct device *dev)
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host->max_blk_count = PAGE_CACHE_SIZE / 512;
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return host;
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free:
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kfree(host);
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return NULL;
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}
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EXPORT_SYMBOL(mmc_alloc_host);
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@ -104,18 +121,6 @@ int mmc_add_host(struct mmc_host *host)
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WARN_ON((host->caps & MMC_CAP_SDIO_IRQ) &&
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!host->ops->enable_sdio_irq);
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if (!idr_pre_get(&mmc_host_idr, GFP_KERNEL))
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return -ENOMEM;
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spin_lock(&mmc_host_lock);
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err = idr_get_new(&mmc_host_idr, host, &host->index);
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spin_unlock(&mmc_host_lock);
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if (err)
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return err;
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snprintf(host->class_dev.bus_id, BUS_ID_SIZE,
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"mmc%d", host->index);
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led_trigger_register_simple(host->class_dev.bus_id, &host->led);
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err = device_add(&host->class_dev);
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@ -144,10 +149,6 @@ void mmc_remove_host(struct mmc_host *host)
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device_del(&host->class_dev);
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led_trigger_unregister_simple(host->led);
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spin_lock(&mmc_host_lock);
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idr_remove(&mmc_host_idr, host->index);
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spin_unlock(&mmc_host_lock);
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}
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EXPORT_SYMBOL(mmc_remove_host);
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@ -160,6 +161,10 @@ EXPORT_SYMBOL(mmc_remove_host);
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*/
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void mmc_free_host(struct mmc_host *host)
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{
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spin_lock(&mmc_host_lock);
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idr_remove(&mmc_host_idr, host->index);
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spin_unlock(&mmc_host_lock);
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put_device(&host->class_dev);
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}
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@ -128,12 +128,12 @@ static int sdio_irq_thread(void *_host)
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}
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}
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set_task_state(current, TASK_INTERRUPTIBLE);
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set_current_state(TASK_INTERRUPTIBLE);
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if (host->caps & MMC_CAP_SDIO_IRQ)
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host->ops->enable_sdio_irq(host, 1);
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if (!kthread_should_stop())
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schedule_timeout(period);
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set_task_state(current, TASK_RUNNING);
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set_current_state(TASK_RUNNING);
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} while (!kthread_should_stop());
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if (host->caps & MMC_CAP_SDIO_IRQ)
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@ -17,6 +17,7 @@
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#include <linux/mmc/sdio.h>
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#include "core.h"
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#include "sdio_ops.h"
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int mmc_send_io_op_cond(struct mmc_host *host, u32 ocr, u32 *rocr)
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{
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|
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Разница между файлами не показана из-за своего большого размера
Загрузить разницу
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@ -1,7 +1,7 @@
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/*
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* linux/drivers/mmc/host/sdhci.c - Secure Digital Host Controller Interface driver
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*
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* Copyright (C) 2005-2007 Pierre Ossman, All Rights Reserved.
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* Copyright (C) 2005-2008 Pierre Ossman, All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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@ -19,6 +19,8 @@
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#include <linux/dma-mapping.h>
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#include <linux/scatterlist.h>
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#include <linux/leds.h>
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#include <linux/mmc/host.h>
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#include "sdhci.h"
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@ -30,10 +32,6 @@
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static unsigned int debug_quirks = 0;
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/* For multi controllers in one platform case */
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static u16 chip_index = 0;
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static spinlock_t index_lock;
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/*
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* Different quirks to handle when the hardware deviates from a strict
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* interpretation of the SDHCI specification.
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@ -43,7 +41,7 @@ static spinlock_t index_lock;
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#define SDHCI_QUIRK_CLOCK_BEFORE_RESET (1<<0)
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/* Controller has bad caps bits, but really supports DMA */
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#define SDHCI_QUIRK_FORCE_DMA (1<<1)
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/* Controller doesn't like some resets when there is no card inserted. */
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/* Controller doesn't like to be reset when there is no card inserted. */
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#define SDHCI_QUIRK_NO_CARD_NO_RESET (1<<2)
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/* Controller doesn't like clearing the power reg before a change */
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#define SDHCI_QUIRK_SINGLE_POWER_WRITE (1<<3)
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@ -71,12 +69,20 @@ static const struct pci_device_id pci_ids[] __devinitdata = {
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{
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.vendor = PCI_VENDOR_ID_RICOH,
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.device = PCI_DEVICE_ID_RICOH_R5C822,
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.subvendor = PCI_ANY_ID,
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.subvendor = PCI_VENDOR_ID_SAMSUNG,
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.subdevice = PCI_ANY_ID,
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.driver_data = SDHCI_QUIRK_FORCE_DMA |
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SDHCI_QUIRK_NO_CARD_NO_RESET,
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},
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{
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.vendor = PCI_VENDOR_ID_RICOH,
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.device = PCI_DEVICE_ID_RICOH_R5C822,
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.subvendor = PCI_ANY_ID,
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.subdevice = PCI_ANY_ID,
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.driver_data = SDHCI_QUIRK_FORCE_DMA,
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},
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{
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.vendor = PCI_VENDOR_ID_TI,
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.device = PCI_DEVICE_ID_TI_XX21_XX11_SD,
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@ -256,6 +262,24 @@ static void sdhci_deactivate_led(struct sdhci_host *host)
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writeb(ctrl, host->ioaddr + SDHCI_HOST_CONTROL);
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}
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#ifdef CONFIG_LEDS_CLASS
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static void sdhci_led_control(struct led_classdev *led,
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enum led_brightness brightness)
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{
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struct sdhci_host *host = container_of(led, struct sdhci_host, led);
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unsigned long flags;
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spin_lock_irqsave(&host->lock, flags);
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if (brightness == LED_OFF)
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sdhci_deactivate_led(host);
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else
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sdhci_activate_led(host);
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spin_unlock_irqrestore(&host->lock, flags);
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}
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#endif
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/*****************************************************************************\
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* *
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* Core functions *
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@ -773,7 +797,9 @@ static void sdhci_request(struct mmc_host *mmc, struct mmc_request *mrq)
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WARN_ON(host->mrq != NULL);
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#ifndef CONFIG_LEDS_CLASS
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sdhci_activate_led(host);
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#endif
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host->mrq = mrq;
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@ -965,7 +991,9 @@ static void sdhci_tasklet_finish(unsigned long param)
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host->cmd = NULL;
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host->data = NULL;
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#ifndef CONFIG_LEDS_CLASS
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sdhci_deactivate_led(host);
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#endif
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mmiowb();
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spin_unlock_irqrestore(&host->lock, flags);
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|
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@ -1105,7 +1133,8 @@ static irqreturn_t sdhci_irq(int irq, void *dev_id)
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goto out;
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}
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DBG("*** %s got interrupt: 0x%08x\n", host->slot_descr, intmask);
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DBG("*** %s got interrupt: 0x%08x\n",
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mmc_hostname(host->mmc), intmask);
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if (intmask & (SDHCI_INT_CARD_INSERT | SDHCI_INT_CARD_REMOVE)) {
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writel(intmask & (SDHCI_INT_CARD_INSERT | SDHCI_INT_CARD_REMOVE),
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|
|
@ -1235,7 +1264,7 @@ static int sdhci_resume (struct pci_dev *pdev)
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if (chip->hosts[i]->flags & SDHCI_USE_DMA)
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pci_set_master(pdev);
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ret = request_irq(chip->hosts[i]->irq, sdhci_irq,
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IRQF_SHARED, chip->hosts[i]->slot_descr,
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IRQF_SHARED, mmc_hostname(chip->hosts[i]->mmc),
|
||||
chip->hosts[i]);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
|
@ -1324,9 +1353,7 @@ static int __devinit sdhci_probe_slot(struct pci_dev *pdev, int slot)
|
|||
|
||||
DBG("slot %d at 0x%08lx, irq %d\n", slot, host->addr, host->irq);
|
||||
|
||||
snprintf(host->slot_descr, 20, "sdhc%d:slot%d", chip->index, slot);
|
||||
|
||||
ret = pci_request_region(pdev, host->bar, host->slot_descr);
|
||||
ret = pci_request_region(pdev, host->bar, mmc_hostname(mmc));
|
||||
if (ret)
|
||||
goto free;
|
||||
|
||||
|
|
@ -1343,7 +1370,7 @@ static int __devinit sdhci_probe_slot(struct pci_dev *pdev, int slot)
|
|||
version = (version & SDHCI_SPEC_VER_MASK) >> SDHCI_SPEC_VER_SHIFT;
|
||||
if (version > 1) {
|
||||
printk(KERN_ERR "%s: Unknown controller version (%d). "
|
||||
"You may experience problems.\n", host->slot_descr,
|
||||
"You may experience problems.\n", mmc_hostname(mmc),
|
||||
version);
|
||||
}
|
||||
|
||||
|
|
@ -1366,13 +1393,13 @@ static int __devinit sdhci_probe_slot(struct pci_dev *pdev, int slot)
|
|||
(host->flags & SDHCI_USE_DMA)) {
|
||||
printk(KERN_WARNING "%s: Will use DMA "
|
||||
"mode even though HW doesn't fully "
|
||||
"claim to support it.\n", host->slot_descr);
|
||||
"claim to support it.\n", mmc_hostname(mmc));
|
||||
}
|
||||
|
||||
if (host->flags & SDHCI_USE_DMA) {
|
||||
if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) {
|
||||
printk(KERN_WARNING "%s: No suitable DMA available. "
|
||||
"Falling back to PIO.\n", host->slot_descr);
|
||||
"Falling back to PIO.\n", mmc_hostname(mmc));
|
||||
host->flags &= ~SDHCI_USE_DMA;
|
||||
}
|
||||
}
|
||||
|
|
@ -1386,7 +1413,7 @@ static int __devinit sdhci_probe_slot(struct pci_dev *pdev, int slot)
|
|||
(caps & SDHCI_CLOCK_BASE_MASK) >> SDHCI_CLOCK_BASE_SHIFT;
|
||||
if (host->max_clk == 0) {
|
||||
printk(KERN_ERR "%s: Hardware doesn't specify base clock "
|
||||
"frequency.\n", host->slot_descr);
|
||||
"frequency.\n", mmc_hostname(mmc));
|
||||
ret = -ENODEV;
|
||||
goto unmap;
|
||||
}
|
||||
|
|
@ -1396,7 +1423,7 @@ static int __devinit sdhci_probe_slot(struct pci_dev *pdev, int slot)
|
|||
(caps & SDHCI_TIMEOUT_CLK_MASK) >> SDHCI_TIMEOUT_CLK_SHIFT;
|
||||
if (host->timeout_clk == 0) {
|
||||
printk(KERN_ERR "%s: Hardware doesn't specify timeout clock "
|
||||
"frequency.\n", host->slot_descr);
|
||||
"frequency.\n", mmc_hostname(mmc));
|
||||
ret = -ENODEV;
|
||||
goto unmap;
|
||||
}
|
||||
|
|
@ -1424,7 +1451,7 @@ static int __devinit sdhci_probe_slot(struct pci_dev *pdev, int slot)
|
|||
|
||||
if (mmc->ocr_avail == 0) {
|
||||
printk(KERN_ERR "%s: Hardware doesn't report any "
|
||||
"support voltages.\n", host->slot_descr);
|
||||
"support voltages.\n", mmc_hostname(mmc));
|
||||
ret = -ENODEV;
|
||||
goto unmap;
|
||||
}
|
||||
|
|
@ -1458,8 +1485,8 @@ static int __devinit sdhci_probe_slot(struct pci_dev *pdev, int slot)
|
|||
*/
|
||||
mmc->max_blk_size = (caps & SDHCI_MAX_BLOCK_MASK) >> SDHCI_MAX_BLOCK_SHIFT;
|
||||
if (mmc->max_blk_size >= 3) {
|
||||
printk(KERN_WARNING "%s: Invalid maximum block size, assuming 512\n",
|
||||
host->slot_descr);
|
||||
printk(KERN_WARNING "%s: Invalid maximum block size, "
|
||||
"assuming 512 bytes\n", mmc_hostname(mmc));
|
||||
mmc->max_blk_size = 512;
|
||||
} else
|
||||
mmc->max_blk_size = 512 << mmc->max_blk_size;
|
||||
|
|
@ -1480,7 +1507,7 @@ static int __devinit sdhci_probe_slot(struct pci_dev *pdev, int slot)
|
|||
setup_timer(&host->timer, sdhci_timeout_timer, (unsigned long)host);
|
||||
|
||||
ret = request_irq(host->irq, sdhci_irq, IRQF_SHARED,
|
||||
host->slot_descr, host);
|
||||
mmc_hostname(mmc), host);
|
||||
if (ret)
|
||||
goto untasklet;
|
||||
|
||||
|
|
@ -1490,16 +1517,32 @@ static int __devinit sdhci_probe_slot(struct pci_dev *pdev, int slot)
|
|||
sdhci_dumpregs(host);
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_LEDS_CLASS
|
||||
host->led.name = mmc_hostname(mmc);
|
||||
host->led.brightness = LED_OFF;
|
||||
host->led.default_trigger = mmc_hostname(mmc);
|
||||
host->led.brightness_set = sdhci_led_control;
|
||||
|
||||
ret = led_classdev_register(&pdev->dev, &host->led);
|
||||
if (ret)
|
||||
goto reset;
|
||||
#endif
|
||||
|
||||
mmiowb();
|
||||
|
||||
mmc_add_host(mmc);
|
||||
|
||||
printk(KERN_INFO "%s: SDHCI at 0x%08lx irq %d %s\n", mmc_hostname(mmc),
|
||||
host->addr, host->irq,
|
||||
printk(KERN_INFO "%s: SDHCI at 0x%08lx irq %d %s\n",
|
||||
mmc_hostname(mmc), host->addr, host->irq,
|
||||
(host->flags & SDHCI_USE_DMA)?"DMA":"PIO");
|
||||
|
||||
return 0;
|
||||
|
||||
#ifdef CONFIG_LEDS_CLASS
|
||||
reset:
|
||||
sdhci_reset(host, SDHCI_RESET_ALL);
|
||||
free_irq(host->irq, host);
|
||||
#endif
|
||||
untasklet:
|
||||
tasklet_kill(&host->card_tasklet);
|
||||
tasklet_kill(&host->finish_tasklet);
|
||||
|
|
@ -1527,6 +1570,10 @@ static void sdhci_remove_slot(struct pci_dev *pdev, int slot)
|
|||
|
||||
mmc_remove_host(mmc);
|
||||
|
||||
#ifdef CONFIG_LEDS_CLASS
|
||||
led_classdev_unregister(&host->led);
|
||||
#endif
|
||||
|
||||
sdhci_reset(host, SDHCI_RESET_ALL);
|
||||
|
||||
free_irq(host->irq, host);
|
||||
|
|
@ -1589,11 +1636,6 @@ static int __devinit sdhci_probe(struct pci_dev *pdev,
|
|||
chip->num_slots = slots;
|
||||
pci_set_drvdata(pdev, chip);
|
||||
|
||||
/* Add for multi controller case */
|
||||
spin_lock(&index_lock);
|
||||
chip->index = chip_index++;
|
||||
spin_unlock(&index_lock);
|
||||
|
||||
for (i = 0;i < slots;i++) {
|
||||
ret = sdhci_probe_slot(pdev, i);
|
||||
if (ret) {
|
||||
|
|
@ -1654,8 +1696,6 @@ static int __init sdhci_drv_init(void)
|
|||
": Secure Digital Host Controller Interface driver\n");
|
||||
printk(KERN_INFO DRIVER_NAME ": Copyright(c) Pierre Ossman\n");
|
||||
|
||||
spin_lock_init(&index_lock);
|
||||
|
||||
return pci_register_driver(&sdhci_driver);
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -1,7 +1,7 @@
|
|||
/*
|
||||
* linux/drivers/mmc/host/sdhci.h - Secure Digital Host Controller Interface driver
|
||||
*
|
||||
* Copyright (C) 2005-2007 Pierre Ossman, All Rights Reserved.
|
||||
* Copyright (C) 2005-2008 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 as published by
|
||||
|
|
@ -168,6 +168,10 @@ struct sdhci_host {
|
|||
struct sdhci_chip *chip;
|
||||
struct mmc_host *mmc; /* MMC structure */
|
||||
|
||||
#ifdef CONFIG_LEDS_CLASS
|
||||
struct led_classdev led; /* LED control */
|
||||
#endif
|
||||
|
||||
spinlock_t lock; /* Mutex */
|
||||
|
||||
int flags; /* Host attributes */
|
||||
|
|
@ -190,8 +194,6 @@ struct sdhci_host {
|
|||
int offset; /* Offset into current sg */
|
||||
int remain; /* Bytes left in current */
|
||||
|
||||
char slot_descr[20]; /* Name for reservations */
|
||||
|
||||
int irq; /* Device IRQ */
|
||||
int bar; /* PCI BAR index */
|
||||
unsigned long addr; /* Bus address */
|
||||
|
|
@ -208,7 +210,6 @@ struct sdhci_chip {
|
|||
|
||||
unsigned long quirks;
|
||||
|
||||
int index; /* Index for chip0, chip1 ...*/
|
||||
int num_slots; /* Slots on controller */
|
||||
struct sdhci_host *hosts[0]; /* Pointers to hosts */
|
||||
};
|
||||
|
|
|
|||
|
|
@ -18,6 +18,8 @@
|
|||
#define OMAP_MMC_MAX_SLOTS 2
|
||||
|
||||
struct omap_mmc_platform_data {
|
||||
struct omap_mmc_conf conf;
|
||||
|
||||
unsigned enabled:1;
|
||||
/* number of slots on board */
|
||||
unsigned nr_slots:2;
|
||||
|
|
|
|||
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