mmc.c (c2f73fd07d2ce4605b404f34395eb734a7ba9967) mmc.c (51ec92e295d563dd5712d198a7e46c2ae5ccccb2)
1/*
2 * linux/drivers/mmc/core/mmc.c
3 *
4 * Copyright (C) 2003-2004 Russell King, All Rights Reserved.
5 * Copyright (C) 2005-2007 Pierre Ossman, All Rights Reserved.
6 * MMCv4 support Copyright (C) 2006 Philip Langdale, All Rights Reserved.
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 */
12
13#include <linux/err.h>
14
15#include <linux/mmc/host.h>
16#include <linux/mmc/card.h>
17#include <linux/mmc/mmc.h>
18
19#include "core.h"
1/*
2 * linux/drivers/mmc/core/mmc.c
3 *
4 * Copyright (C) 2003-2004 Russell King, All Rights Reserved.
5 * Copyright (C) 2005-2007 Pierre Ossman, All Rights Reserved.
6 * MMCv4 support Copyright (C) 2006 Philip Langdale, All Rights Reserved.
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 */
12
13#include <linux/err.h>
14
15#include <linux/mmc/host.h>
16#include <linux/mmc/card.h>
17#include <linux/mmc/mmc.h>
18
19#include "core.h"
20#include "sysfs.h"
21#include "bus.h"
22#include "mmc_ops.h"
23
24static const unsigned int tran_exp[] = {
25 10000, 100000, 1000000, 10000000,
26 0, 0, 0, 0
27};
28

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243 }
244
245out:
246 kfree(ext_csd);
247
248 return err;
249}
250
20#include "bus.h"
21#include "mmc_ops.h"
22
23static const unsigned int tran_exp[] = {
24 10000, 100000, 1000000, 10000000,
25 0, 0, 0, 0
26};
27

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242 }
243
244out:
245 kfree(ext_csd);
246
247 return err;
248}
249
250MMC_DEV_ATTR(cid, "%08x%08x%08x%08x\n", card->raw_cid[0], card->raw_cid[1],
251 card->raw_cid[2], card->raw_cid[3]);
252MMC_DEV_ATTR(csd, "%08x%08x%08x%08x\n", card->raw_csd[0], card->raw_csd[1],
253 card->raw_csd[2], card->raw_csd[3]);
254MMC_DEV_ATTR(date, "%02d/%04d\n", card->cid.month, card->cid.year);
255MMC_DEV_ATTR(fwrev, "0x%x\n", card->cid.fwrev);
256MMC_DEV_ATTR(hwrev, "0x%x\n", card->cid.hwrev);
257MMC_DEV_ATTR(manfid, "0x%06x\n", card->cid.manfid);
258MMC_DEV_ATTR(name, "%s\n", card->cid.prod_name);
259MMC_DEV_ATTR(oemid, "0x%04x\n", card->cid.oemid);
260MMC_DEV_ATTR(serial, "0x%08x\n", card->cid.serial);
261
262static struct attribute *mmc_std_attrs[] = {
263 &dev_attr_cid.attr,
264 &dev_attr_csd.attr,
265 &dev_attr_date.attr,
266 &dev_attr_fwrev.attr,
267 &dev_attr_hwrev.attr,
268 &dev_attr_manfid.attr,
269 &dev_attr_name.attr,
270 &dev_attr_oemid.attr,
271 &dev_attr_serial.attr,
272 NULL,
273};
274
275static struct attribute_group mmc_std_attr_group = {
276 .attrs = mmc_std_attrs,
277};
278
279static struct attribute_group *mmc_attr_groups[] = {
280 &mmc_std_attr_group,
281 NULL,
282};
283
284static struct device_type mmc_type = {
285 .groups = mmc_attr_groups,
286};
287
251/*
252 * Handle the detection and initialisation of a card.
253 *
254 * In the case of a resume, "curcard" will contain the card
255 * we're trying to reinitialise.
256 */
257static int mmc_init_card(struct mmc_host *host, u32 ocr,
258 struct mmc_card *oldcard)

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303 goto err;
304 }
305
306 card = oldcard;
307 } else {
308 /*
309 * Allocate card structure.
310 */
288/*
289 * Handle the detection and initialisation of a card.
290 *
291 * In the case of a resume, "curcard" will contain the card
292 * we're trying to reinitialise.
293 */
294static int mmc_init_card(struct mmc_host *host, u32 ocr,
295 struct mmc_card *oldcard)

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340 goto err;
341 }
342
343 card = oldcard;
344 } else {
345 /*
346 * Allocate card structure.
347 */
311 card = mmc_alloc_card(host);
348 card = mmc_alloc_card(host, &mmc_type);
312 if (IS_ERR(card)) {
313 err = PTR_ERR(card);
314 goto err;
315 }
316
317 card->type = MMC_TYPE_MMC;
318 card->rca = 1;
319 memcpy(card->raw_cid, cid, sizeof(card->raw_cid));

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454 mmc_remove(host);
455
456 mmc_claim_host(host);
457 mmc_detach_bus(host);
458 mmc_release_host(host);
459 }
460}
461
349 if (IS_ERR(card)) {
350 err = PTR_ERR(card);
351 goto err;
352 }
353
354 card->type = MMC_TYPE_MMC;
355 card->rca = 1;
356 memcpy(card->raw_cid, cid, sizeof(card->raw_cid));

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491 mmc_remove(host);
492
493 mmc_claim_host(host);
494 mmc_detach_bus(host);
495 mmc_release_host(host);
496 }
497}
498
462MMC_ATTR_FN(cid, "%08x%08x%08x%08x\n", card->raw_cid[0], card->raw_cid[1],
463 card->raw_cid[2], card->raw_cid[3]);
464MMC_ATTR_FN(csd, "%08x%08x%08x%08x\n", card->raw_csd[0], card->raw_csd[1],
465 card->raw_csd[2], card->raw_csd[3]);
466MMC_ATTR_FN(date, "%02d/%04d\n", card->cid.month, card->cid.year);
467MMC_ATTR_FN(fwrev, "0x%x\n", card->cid.fwrev);
468MMC_ATTR_FN(hwrev, "0x%x\n", card->cid.hwrev);
469MMC_ATTR_FN(manfid, "0x%06x\n", card->cid.manfid);
470MMC_ATTR_FN(name, "%s\n", card->cid.prod_name);
471MMC_ATTR_FN(oemid, "0x%04x\n", card->cid.oemid);
472MMC_ATTR_FN(serial, "0x%08x\n", card->cid.serial);
473
474static struct device_attribute mmc_dev_attrs[] = {
475 MMC_ATTR_RO(cid),
476 MMC_ATTR_RO(csd),
477 MMC_ATTR_RO(date),
478 MMC_ATTR_RO(fwrev),
479 MMC_ATTR_RO(hwrev),
480 MMC_ATTR_RO(manfid),
481 MMC_ATTR_RO(name),
482 MMC_ATTR_RO(oemid),
483 MMC_ATTR_RO(serial),
484 __ATTR_NULL,
485};
486
487/*
488 * Adds sysfs entries as relevant.
489 */
490static int mmc_sysfs_add(struct mmc_host *host, struct mmc_card *card)
491{
492 int ret;
493
494 ret = mmc_add_attrs(card, mmc_dev_attrs);
495 if (ret < 0)
496 return ret;
497
498 return 0;
499}
500
501/*
502 * Removes the sysfs entries added by mmc_sysfs_add().
503 */
504static void mmc_sysfs_remove(struct mmc_host *host, struct mmc_card *card)
505{
506 mmc_remove_attrs(card, mmc_dev_attrs);
507}
508
509#ifdef CONFIG_MMC_UNSAFE_RESUME
510
511/*
512 * Suspend callback from host.
513 */
514static void mmc_suspend(struct mmc_host *host)
515{
516 BUG_ON(!host);

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555#define mmc_suspend NULL
556#define mmc_resume NULL
557
558#endif
559
560static const struct mmc_bus_ops mmc_ops = {
561 .remove = mmc_remove,
562 .detect = mmc_detect,
499#ifdef CONFIG_MMC_UNSAFE_RESUME
500
501/*
502 * Suspend callback from host.
503 */
504static void mmc_suspend(struct mmc_host *host)
505{
506 BUG_ON(!host);

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545#define mmc_suspend NULL
546#define mmc_resume NULL
547
548#endif
549
550static const struct mmc_bus_ops mmc_ops = {
551 .remove = mmc_remove,
552 .detect = mmc_detect,
563 .sysfs_add = mmc_sysfs_add,
564 .sysfs_remove = mmc_sysfs_remove,
565 .suspend = mmc_suspend,
566 .resume = mmc_resume,
567};
568
569/*
570 * Starting point for MMC card init.
571 */
572int mmc_attach_mmc(struct mmc_host *host, u32 ocr)

--- 67 unchanged lines hidden --- 		553 .suspend = mmc_suspend,
554 .resume = mmc_resume,
555};
556
557/*
558 * Starting point for MMC card init.
559 */
560int mmc_attach_mmc(struct mmc_host *host, u32 ocr)

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