diff options
Diffstat (limited to 'drivers/mmc')
-rw-r--r-- | drivers/mmc/card/block.c | 8 | ||||
-rw-r--r-- | drivers/mmc/card/queue.c | 18 | ||||
-rw-r--r-- | drivers/mmc/core/mmc.c | 2 | ||||
-rw-r--r-- | drivers/mmc/host/tmio_mmc.c | 59 | ||||
-rw-r--r-- | drivers/mmc/host/tmio_mmc.h | 46 |
5 files changed, 43 insertions, 90 deletions
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index 85f0e8cd875b..1f552c6e7579 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c | |||
@@ -85,7 +85,14 @@ static void mmc_blk_put(struct mmc_blk_data *md) | |||
85 | mutex_lock(&open_lock); | 85 | mutex_lock(&open_lock); |
86 | md->usage--; | 86 | md->usage--; |
87 | if (md->usage == 0) { | 87 | if (md->usage == 0) { |
88 | int devmaj = MAJOR(disk_devt(md->disk)); | ||
88 | int devidx = MINOR(disk_devt(md->disk)) >> MMC_SHIFT; | 89 | int devidx = MINOR(disk_devt(md->disk)) >> MMC_SHIFT; |
90 | |||
91 | if (!devmaj) | ||
92 | devidx = md->disk->first_minor >> MMC_SHIFT; | ||
93 | |||
94 | blk_cleanup_queue(md->queue.queue); | ||
95 | |||
89 | __clear_bit(devidx, dev_use); | 96 | __clear_bit(devidx, dev_use); |
90 | 97 | ||
91 | put_disk(md->disk); | 98 | put_disk(md->disk); |
@@ -613,6 +620,7 @@ static int mmc_blk_probe(struct mmc_card *card) | |||
613 | return 0; | 620 | return 0; |
614 | 621 | ||
615 | out: | 622 | out: |
623 | mmc_cleanup_queue(&md->queue); | ||
616 | mmc_blk_put(md); | 624 | mmc_blk_put(md); |
617 | 625 | ||
618 | return err; | 626 | return err; |
diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c index 49e582356c65..c5a7a855f4b1 100644 --- a/drivers/mmc/card/queue.c +++ b/drivers/mmc/card/queue.c | |||
@@ -90,9 +90,10 @@ static void mmc_request(struct request_queue *q) | |||
90 | struct request *req; | 90 | struct request *req; |
91 | 91 | ||
92 | if (!mq) { | 92 | if (!mq) { |
93 | printk(KERN_ERR "MMC: killing requests for dead queue\n"); | 93 | while ((req = blk_fetch_request(q)) != NULL) { |
94 | while ((req = blk_fetch_request(q)) != NULL) | 94 | req->cmd_flags |= REQ_QUIET; |
95 | __blk_end_request_all(req, -EIO); | 95 | __blk_end_request_all(req, -EIO); |
96 | } | ||
96 | return; | 97 | return; |
97 | } | 98 | } |
98 | 99 | ||
@@ -223,17 +224,18 @@ void mmc_cleanup_queue(struct mmc_queue *mq) | |||
223 | struct request_queue *q = mq->queue; | 224 | struct request_queue *q = mq->queue; |
224 | unsigned long flags; | 225 | unsigned long flags; |
225 | 226 | ||
226 | /* Mark that we should start throwing out stragglers */ | ||
227 | spin_lock_irqsave(q->queue_lock, flags); | ||
228 | q->queuedata = NULL; | ||
229 | spin_unlock_irqrestore(q->queue_lock, flags); | ||
230 | |||
231 | /* Make sure the queue isn't suspended, as that will deadlock */ | 227 | /* Make sure the queue isn't suspended, as that will deadlock */ |
232 | mmc_queue_resume(mq); | 228 | mmc_queue_resume(mq); |
233 | 229 | ||
234 | /* Then terminate our worker thread */ | 230 | /* Then terminate our worker thread */ |
235 | kthread_stop(mq->thread); | 231 | kthread_stop(mq->thread); |
236 | 232 | ||
233 | /* Empty the queue */ | ||
234 | spin_lock_irqsave(q->queue_lock, flags); | ||
235 | q->queuedata = NULL; | ||
236 | blk_start_queue(q); | ||
237 | spin_unlock_irqrestore(q->queue_lock, flags); | ||
238 | |||
237 | if (mq->bounce_sg) | 239 | if (mq->bounce_sg) |
238 | kfree(mq->bounce_sg); | 240 | kfree(mq->bounce_sg); |
239 | mq->bounce_sg = NULL; | 241 | mq->bounce_sg = NULL; |
@@ -245,8 +247,6 @@ void mmc_cleanup_queue(struct mmc_queue *mq) | |||
245 | kfree(mq->bounce_buf); | 247 | kfree(mq->bounce_buf); |
246 | mq->bounce_buf = NULL; | 248 | mq->bounce_buf = NULL; |
247 | 249 | ||
248 | blk_cleanup_queue(mq->queue); | ||
249 | |||
250 | mq->card = NULL; | 250 | mq->card = NULL; |
251 | } | 251 | } |
252 | EXPORT_SYMBOL(mmc_cleanup_queue); | 252 | EXPORT_SYMBOL(mmc_cleanup_queue); |
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index c11189446a1f..0eac6c814904 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c | |||
@@ -207,7 +207,7 @@ static int mmc_read_ext_csd(struct mmc_card *card) | |||
207 | } | 207 | } |
208 | 208 | ||
209 | card->ext_csd.rev = ext_csd[EXT_CSD_REV]; | 209 | card->ext_csd.rev = ext_csd[EXT_CSD_REV]; |
210 | if (card->ext_csd.rev > 3) { | 210 | if (card->ext_csd.rev > 5) { |
211 | printk(KERN_ERR "%s: unrecognised EXT_CSD structure " | 211 | printk(KERN_ERR "%s: unrecognised EXT_CSD structure " |
212 | "version %d\n", mmc_hostname(card->host), | 212 | "version %d\n", mmc_hostname(card->host), |
213 | card->ext_csd.rev); | 213 | card->ext_csd.rev); |
diff --git a/drivers/mmc/host/tmio_mmc.c b/drivers/mmc/host/tmio_mmc.c index 7cccc8523747..e22c3fa3516a 100644 --- a/drivers/mmc/host/tmio_mmc.c +++ b/drivers/mmc/host/tmio_mmc.c | |||
@@ -46,7 +46,9 @@ static void tmio_mmc_set_clock(struct tmio_mmc_host *host, int new_clock) | |||
46 | clk |= 0x100; | 46 | clk |= 0x100; |
47 | } | 47 | } |
48 | 48 | ||
49 | sd_config_write8(host, CNF_SD_CLK_MODE, clk >> 22); | 49 | if (host->set_clk_div) |
50 | host->set_clk_div(host->pdev, (clk>>22) & 1); | ||
51 | |||
50 | sd_ctrl_write16(host, CTL_SD_CARD_CLK_CTL, clk & 0x1ff); | 52 | sd_ctrl_write16(host, CTL_SD_CARD_CLK_CTL, clk & 0x1ff); |
51 | } | 53 | } |
52 | 54 | ||
@@ -427,12 +429,13 @@ static void tmio_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) | |||
427 | /* Power sequence - OFF -> ON -> UP */ | 429 | /* Power sequence - OFF -> ON -> UP */ |
428 | switch (ios->power_mode) { | 430 | switch (ios->power_mode) { |
429 | case MMC_POWER_OFF: /* power down SD bus */ | 431 | case MMC_POWER_OFF: /* power down SD bus */ |
430 | sd_config_write8(host, CNF_PWR_CTL_2, 0x00); | 432 | if (host->set_pwr) |
433 | host->set_pwr(host->pdev, 0); | ||
431 | tmio_mmc_clk_stop(host); | 434 | tmio_mmc_clk_stop(host); |
432 | break; | 435 | break; |
433 | case MMC_POWER_ON: /* power up SD bus */ | 436 | case MMC_POWER_ON: /* power up SD bus */ |
434 | 437 | if (host->set_pwr) | |
435 | sd_config_write8(host, CNF_PWR_CTL_2, 0x02); | 438 | host->set_pwr(host->pdev, 1); |
436 | break; | 439 | break; |
437 | case MMC_POWER_UP: /* start bus clock */ | 440 | case MMC_POWER_UP: /* start bus clock */ |
438 | tmio_mmc_clk_start(host); | 441 | tmio_mmc_clk_start(host); |
@@ -485,21 +488,15 @@ static int tmio_mmc_resume(struct platform_device *dev) | |||
485 | { | 488 | { |
486 | struct mfd_cell *cell = (struct mfd_cell *)dev->dev.platform_data; | 489 | struct mfd_cell *cell = (struct mfd_cell *)dev->dev.platform_data; |
487 | struct mmc_host *mmc = platform_get_drvdata(dev); | 490 | struct mmc_host *mmc = platform_get_drvdata(dev); |
488 | struct tmio_mmc_host *host = mmc_priv(mmc); | ||
489 | int ret = 0; | 491 | int ret = 0; |
490 | 492 | ||
491 | /* Tell the MFD core we are ready to be enabled */ | 493 | /* Tell the MFD core we are ready to be enabled */ |
492 | if (cell->enable) { | 494 | if (cell->resume) { |
493 | ret = cell->enable(dev); | 495 | ret = cell->resume(dev); |
494 | if (ret) | 496 | if (ret) |
495 | goto out; | 497 | goto out; |
496 | } | 498 | } |
497 | 499 | ||
498 | /* Enable the MMC/SD Control registers */ | ||
499 | sd_config_write16(host, CNF_CMD, SDCREN); | ||
500 | sd_config_write32(host, CNF_CTL_BASE, | ||
501 | (dev->resource[0].start >> host->bus_shift) & 0xfffe); | ||
502 | |||
503 | mmc_resume_host(mmc); | 500 | mmc_resume_host(mmc); |
504 | 501 | ||
505 | out: | 502 | out: |
@@ -514,17 +511,16 @@ static int __devinit tmio_mmc_probe(struct platform_device *dev) | |||
514 | { | 511 | { |
515 | struct mfd_cell *cell = (struct mfd_cell *)dev->dev.platform_data; | 512 | struct mfd_cell *cell = (struct mfd_cell *)dev->dev.platform_data; |
516 | struct tmio_mmc_data *pdata; | 513 | struct tmio_mmc_data *pdata; |
517 | struct resource *res_ctl, *res_cnf; | 514 | struct resource *res_ctl; |
518 | struct tmio_mmc_host *host; | 515 | struct tmio_mmc_host *host; |
519 | struct mmc_host *mmc; | 516 | struct mmc_host *mmc; |
520 | int ret = -EINVAL; | 517 | int ret = -EINVAL; |
521 | 518 | ||
522 | if (dev->num_resources != 3) | 519 | if (dev->num_resources != 2) |
523 | goto out; | 520 | goto out; |
524 | 521 | ||
525 | res_ctl = platform_get_resource(dev, IORESOURCE_MEM, 0); | 522 | res_ctl = platform_get_resource(dev, IORESOURCE_MEM, 0); |
526 | res_cnf = platform_get_resource(dev, IORESOURCE_MEM, 1); | 523 | if (!res_ctl) |
527 | if (!res_ctl || !res_cnf) | ||
528 | goto out; | 524 | goto out; |
529 | 525 | ||
530 | pdata = cell->driver_data; | 526 | pdata = cell->driver_data; |
@@ -539,8 +535,12 @@ static int __devinit tmio_mmc_probe(struct platform_device *dev) | |||
539 | 535 | ||
540 | host = mmc_priv(mmc); | 536 | host = mmc_priv(mmc); |
541 | host->mmc = mmc; | 537 | host->mmc = mmc; |
538 | host->pdev = dev; | ||
542 | platform_set_drvdata(dev, mmc); | 539 | platform_set_drvdata(dev, mmc); |
543 | 540 | ||
541 | host->set_pwr = pdata->set_pwr; | ||
542 | host->set_clk_div = pdata->set_clk_div; | ||
543 | |||
544 | /* SD control register space size is 0x200, 0x400 for bus_shift=1 */ | 544 | /* SD control register space size is 0x200, 0x400 for bus_shift=1 */ |
545 | host->bus_shift = resource_size(res_ctl) >> 10; | 545 | host->bus_shift = resource_size(res_ctl) >> 10; |
546 | 546 | ||
@@ -548,10 +548,6 @@ static int __devinit tmio_mmc_probe(struct platform_device *dev) | |||
548 | if (!host->ctl) | 548 | if (!host->ctl) |
549 | goto host_free; | 549 | goto host_free; |
550 | 550 | ||
551 | host->cnf = ioremap(res_cnf->start, resource_size(res_cnf)); | ||
552 | if (!host->cnf) | ||
553 | goto unmap_ctl; | ||
554 | |||
555 | mmc->ops = &tmio_mmc_ops; | 551 | mmc->ops = &tmio_mmc_ops; |
556 | mmc->caps = MMC_CAP_4_BIT_DATA; | 552 | mmc->caps = MMC_CAP_4_BIT_DATA; |
557 | mmc->f_max = pdata->hclk; | 553 | mmc->f_max = pdata->hclk; |
@@ -562,23 +558,9 @@ static int __devinit tmio_mmc_probe(struct platform_device *dev) | |||
562 | if (cell->enable) { | 558 | if (cell->enable) { |
563 | ret = cell->enable(dev); | 559 | ret = cell->enable(dev); |
564 | if (ret) | 560 | if (ret) |
565 | goto unmap_cnf; | 561 | goto unmap_ctl; |
566 | } | 562 | } |
567 | 563 | ||
568 | /* Enable the MMC/SD Control registers */ | ||
569 | sd_config_write16(host, CNF_CMD, SDCREN); | ||
570 | sd_config_write32(host, CNF_CTL_BASE, | ||
571 | (dev->resource[0].start >> host->bus_shift) & 0xfffe); | ||
572 | |||
573 | /* Disable SD power during suspend */ | ||
574 | sd_config_write8(host, CNF_PWR_CTL_3, 0x01); | ||
575 | |||
576 | /* The below is required but why? FIXME */ | ||
577 | sd_config_write8(host, CNF_STOP_CLK_CTL, 0x1f); | ||
578 | |||
579 | /* Power down SD bus*/ | ||
580 | sd_config_write8(host, CNF_PWR_CTL_2, 0x00); | ||
581 | |||
582 | tmio_mmc_clk_stop(host); | 564 | tmio_mmc_clk_stop(host); |
583 | reset(host); | 565 | reset(host); |
584 | 566 | ||
@@ -586,14 +568,14 @@ static int __devinit tmio_mmc_probe(struct platform_device *dev) | |||
586 | if (ret >= 0) | 568 | if (ret >= 0) |
587 | host->irq = ret; | 569 | host->irq = ret; |
588 | else | 570 | else |
589 | goto unmap_cnf; | 571 | goto unmap_ctl; |
590 | 572 | ||
591 | disable_mmc_irqs(host, TMIO_MASK_ALL); | 573 | disable_mmc_irqs(host, TMIO_MASK_ALL); |
592 | 574 | ||
593 | ret = request_irq(host->irq, tmio_mmc_irq, IRQF_DISABLED | | 575 | ret = request_irq(host->irq, tmio_mmc_irq, IRQF_DISABLED | |
594 | IRQF_TRIGGER_FALLING, dev_name(&dev->dev), host); | 576 | IRQF_TRIGGER_FALLING, dev_name(&dev->dev), host); |
595 | if (ret) | 577 | if (ret) |
596 | goto unmap_cnf; | 578 | goto unmap_ctl; |
597 | 579 | ||
598 | mmc_add_host(mmc); | 580 | mmc_add_host(mmc); |
599 | 581 | ||
@@ -605,8 +587,6 @@ static int __devinit tmio_mmc_probe(struct platform_device *dev) | |||
605 | 587 | ||
606 | return 0; | 588 | return 0; |
607 | 589 | ||
608 | unmap_cnf: | ||
609 | iounmap(host->cnf); | ||
610 | unmap_ctl: | 590 | unmap_ctl: |
611 | iounmap(host->ctl); | 591 | iounmap(host->ctl); |
612 | host_free: | 592 | host_free: |
@@ -626,7 +606,6 @@ static int __devexit tmio_mmc_remove(struct platform_device *dev) | |||
626 | mmc_remove_host(mmc); | 606 | mmc_remove_host(mmc); |
627 | free_irq(host->irq, host); | 607 | free_irq(host->irq, host); |
628 | iounmap(host->ctl); | 608 | iounmap(host->ctl); |
629 | iounmap(host->cnf); | ||
630 | mmc_free_host(mmc); | 609 | mmc_free_host(mmc); |
631 | } | 610 | } |
632 | 611 | ||
diff --git a/drivers/mmc/host/tmio_mmc.h b/drivers/mmc/host/tmio_mmc.h index 9fa998594974..692dc23363b9 100644 --- a/drivers/mmc/host/tmio_mmc.h +++ b/drivers/mmc/host/tmio_mmc.h | |||
@@ -11,26 +11,6 @@ | |||
11 | 11 | ||
12 | #include <linux/highmem.h> | 12 | #include <linux/highmem.h> |
13 | 13 | ||
14 | #define CNF_CMD 0x04 | ||
15 | #define CNF_CTL_BASE 0x10 | ||
16 | #define CNF_INT_PIN 0x3d | ||
17 | #define CNF_STOP_CLK_CTL 0x40 | ||
18 | #define CNF_GCLK_CTL 0x41 | ||
19 | #define CNF_SD_CLK_MODE 0x42 | ||
20 | #define CNF_PIN_STATUS 0x44 | ||
21 | #define CNF_PWR_CTL_1 0x48 | ||
22 | #define CNF_PWR_CTL_2 0x49 | ||
23 | #define CNF_PWR_CTL_3 0x4a | ||
24 | #define CNF_CARD_DETECT_MODE 0x4c | ||
25 | #define CNF_SD_SLOT 0x50 | ||
26 | #define CNF_EXT_GCLK_CTL_1 0xf0 | ||
27 | #define CNF_EXT_GCLK_CTL_2 0xf1 | ||
28 | #define CNF_EXT_GCLK_CTL_3 0xf9 | ||
29 | #define CNF_SD_LED_EN_1 0xfa | ||
30 | #define CNF_SD_LED_EN_2 0xfe | ||
31 | |||
32 | #define SDCREN 0x2 /* Enable access to MMC CTL regs. (flag in COMMAND_REG)*/ | ||
33 | |||
34 | #define CTL_SD_CMD 0x00 | 14 | #define CTL_SD_CMD 0x00 |
35 | #define CTL_ARG_REG 0x04 | 15 | #define CTL_ARG_REG 0x04 |
36 | #define CTL_STOP_INTERNAL_ACTION 0x08 | 16 | #define CTL_STOP_INTERNAL_ACTION 0x08 |
@@ -110,7 +90,6 @@ | |||
110 | 90 | ||
111 | 91 | ||
112 | struct tmio_mmc_host { | 92 | struct tmio_mmc_host { |
113 | void __iomem *cnf; | ||
114 | void __iomem *ctl; | 93 | void __iomem *ctl; |
115 | unsigned long bus_shift; | 94 | unsigned long bus_shift; |
116 | struct mmc_command *cmd; | 95 | struct mmc_command *cmd; |
@@ -119,10 +98,16 @@ struct tmio_mmc_host { | |||
119 | struct mmc_host *mmc; | 98 | struct mmc_host *mmc; |
120 | int irq; | 99 | int irq; |
121 | 100 | ||
101 | /* Callbacks for clock / power control */ | ||
102 | void (*set_pwr)(struct platform_device *host, int state); | ||
103 | void (*set_clk_div)(struct platform_device *host, int state); | ||
104 | |||
122 | /* pio related stuff */ | 105 | /* pio related stuff */ |
123 | struct scatterlist *sg_ptr; | 106 | struct scatterlist *sg_ptr; |
124 | unsigned int sg_len; | 107 | unsigned int sg_len; |
125 | unsigned int sg_off; | 108 | unsigned int sg_off; |
109 | |||
110 | struct platform_device *pdev; | ||
126 | }; | 111 | }; |
127 | 112 | ||
128 | #include <linux/io.h> | 113 | #include <linux/io.h> |
@@ -163,25 +148,6 @@ static inline void sd_ctrl_write32(struct tmio_mmc_host *host, int addr, | |||
163 | writew(val >> 16, host->ctl + ((addr + 2) << host->bus_shift)); | 148 | writew(val >> 16, host->ctl + ((addr + 2) << host->bus_shift)); |
164 | } | 149 | } |
165 | 150 | ||
166 | static inline void sd_config_write8(struct tmio_mmc_host *host, int addr, | ||
167 | u8 val) | ||
168 | { | ||
169 | writeb(val, host->cnf + (addr << host->bus_shift)); | ||
170 | } | ||
171 | |||
172 | static inline void sd_config_write16(struct tmio_mmc_host *host, int addr, | ||
173 | u16 val) | ||
174 | { | ||
175 | writew(val, host->cnf + (addr << host->bus_shift)); | ||
176 | } | ||
177 | |||
178 | static inline void sd_config_write32(struct tmio_mmc_host *host, int addr, | ||
179 | u32 val) | ||
180 | { | ||
181 | writew(val, host->cnf + (addr << host->bus_shift)); | ||
182 | writew(val >> 16, host->cnf + ((addr + 2) << host->bus_shift)); | ||
183 | } | ||
184 | |||
185 | #include <linux/scatterlist.h> | 151 | #include <linux/scatterlist.h> |
186 | #include <linux/blkdev.h> | 152 | #include <linux/blkdev.h> |
187 | 153 | ||