Lines Matching +full:no +full:- +full:mmc
2 * linux/drivers/mmc/host/mxcmmc.c - Freescale i.MX MMCI driver
28 #include <linux/dma-mapping.h>
29 #include <linux/mmc/host.h>
30 #include <linux/mmc/card.h>
42 #include <linux/mmc/slot-gpio.h>
46 #include <linux/platform_data/mmc-mxcmmc.h>
48 #include <linux/platform_data/dma-imx.h>
50 #define DRIVER_NAME "mxc-mmc"
127 struct mmc_host *mmc; member
168 .name = "imx21-mmc",
171 .name = "imx31-mmc",
174 .name = "mpc512x-sdhc",
184 .compatible = "fsl,imx21-mmc",
187 .compatible = "fsl,imx31-mmc",
190 .compatible = "fsl,mpc5121-sdhc",
200 return host->devtype == IMX31_MMC; in is_imx31_mmc()
205 return host->devtype == MPC512X_MMC; in is_mpc512x_mmc()
211 return ioread32be(host->base + reg); in mxcmci_readl()
213 return readl(host->base + reg); in mxcmci_readl()
219 iowrite32be(val, host->base + reg); in mxcmci_writel()
221 writel(val, host->base + reg); in mxcmci_writel()
227 return ioread32be(host->base + reg); in mxcmci_readw()
229 return readw(host->base + reg); in mxcmci_readw()
235 iowrite32be(val, host->base + reg); in mxcmci_writew()
237 writew(val, host->base + reg); in mxcmci_writew()
244 if (!IS_ERR(host->mmc->supply.vmmc)) { in mxcmci_set_power()
245 if (host->power_mode == MMC_POWER_UP) in mxcmci_set_power()
246 mmc_regulator_set_ocr(host->mmc, in mxcmci_set_power()
247 host->mmc->supply.vmmc, vdd); in mxcmci_set_power()
248 else if (host->power_mode == MMC_POWER_OFF) in mxcmci_set_power()
249 mmc_regulator_set_ocr(host->mmc, in mxcmci_set_power()
250 host->mmc->supply.vmmc, 0); in mxcmci_set_power()
253 if (host->pdata && host->pdata->setpower) in mxcmci_set_power()
254 host->pdata->setpower(mmc_dev(host->mmc), vdd); in mxcmci_set_power()
259 return host->do_dma; in mxcmci_use_dma()
266 dev_dbg(mmc_dev(host->mmc), "mxcmci_softreset\n"); in mxcmci_softreset()
295 for_each_sg(data->sg, sg, data->sg_len, i) in mxcmci_swap_buffers()
296 buffer_swap32(sg_virt(sg), sg->length); in mxcmci_swap_buffers()
304 unsigned int nob = data->blocks; in mxcmci_setup_data()
305 unsigned int blksz = data->blksz; in mxcmci_setup_data()
311 host->data = data; in mxcmci_setup_data()
312 data->bytes_xfered = 0; in mxcmci_setup_data()
316 host->datasize = datasize; in mxcmci_setup_data()
321 for_each_sg(data->sg, sg, data->sg_len, i) { in mxcmci_setup_data()
322 if (sg->offset & 3 || sg->length & 3 || sg->length < 512) { in mxcmci_setup_data()
323 host->do_dma = 0; in mxcmci_setup_data()
328 if (data->flags & MMC_DATA_READ) { in mxcmci_setup_data()
329 host->dma_dir = DMA_FROM_DEVICE; in mxcmci_setup_data()
332 host->dma_dir = DMA_TO_DEVICE; in mxcmci_setup_data()
338 nents = dma_map_sg(host->dma->device->dev, data->sg, in mxcmci_setup_data()
339 data->sg_len, host->dma_dir); in mxcmci_setup_data()
340 if (nents != data->sg_len) in mxcmci_setup_data()
341 return -EINVAL; in mxcmci_setup_data()
343 host->desc = dmaengine_prep_slave_sg(host->dma, in mxcmci_setup_data()
344 data->sg, data->sg_len, slave_dirn, in mxcmci_setup_data()
347 if (!host->desc) { in mxcmci_setup_data()
348 dma_unmap_sg(host->dma->device->dev, data->sg, data->sg_len, in mxcmci_setup_data()
349 host->dma_dir); in mxcmci_setup_data()
350 host->do_dma = 0; in mxcmci_setup_data()
355 dmaengine_submit(host->desc); in mxcmci_setup_data()
356 dma_async_issue_pending(host->dma); in mxcmci_setup_data()
358 mod_timer(&host->watchdog, jiffies + msecs_to_jiffies(MXCMCI_TIMEOUT_MS)); in mxcmci_setup_data()
371 del_timer(&host->watchdog); in mxcmci_dma_callback()
375 dev_dbg(mmc_dev(host->mmc), "%s: 0x%08x\n", __func__, stat); in mxcmci_dma_callback()
383 u32 int_cntr = host->default_irq_mask; in mxcmci_start_cmd()
386 WARN_ON(host->cmd != NULL); in mxcmci_start_cmd()
387 host->cmd = cmd; in mxcmci_start_cmd()
403 dev_err(mmc_dev(host->mmc), "unhandled response type 0x%x\n", in mxcmci_start_cmd()
405 cmd->error = -EINVAL; in mxcmci_start_cmd()
406 return -EINVAL; in mxcmci_start_cmd()
412 if (host->dma_dir == DMA_FROM_DEVICE) { in mxcmci_start_cmd()
413 host->desc->callback = mxcmci_dma_callback; in mxcmci_start_cmd()
414 host->desc->callback_param = host; in mxcmci_start_cmd()
420 spin_lock_irqsave(&host->lock, flags); in mxcmci_start_cmd()
421 if (host->use_sdio) in mxcmci_start_cmd()
424 spin_unlock_irqrestore(&host->lock, flags); in mxcmci_start_cmd()
426 mxcmci_writew(host, cmd->opcode, MMC_REG_CMD); in mxcmci_start_cmd()
427 mxcmci_writel(host, cmd->arg, MMC_REG_ARG); in mxcmci_start_cmd()
436 u32 int_cntr = host->default_irq_mask; in mxcmci_finish_request()
439 spin_lock_irqsave(&host->lock, flags); in mxcmci_finish_request()
440 if (host->use_sdio) in mxcmci_finish_request()
443 spin_unlock_irqrestore(&host->lock, flags); in mxcmci_finish_request()
445 host->req = NULL; in mxcmci_finish_request()
446 host->cmd = NULL; in mxcmci_finish_request()
447 host->data = NULL; in mxcmci_finish_request()
449 mmc_request_done(host->mmc, req); in mxcmci_finish_request()
454 struct mmc_data *data = host->data; in mxcmci_finish_data()
458 dma_unmap_sg(host->dma->device->dev, data->sg, data->sg_len, in mxcmci_finish_data()
459 host->dma_dir); in mxcmci_finish_data()
464 dev_dbg(mmc_dev(host->mmc), "request failed. status: 0x%08x\n", in mxcmci_finish_data()
467 dev_err(mmc_dev(host->mmc), "%s: -EILSEQ\n", __func__); in mxcmci_finish_data()
468 data->error = -EILSEQ; in mxcmci_finish_data()
471 if (err_code == 2) { /* No CRC response */ in mxcmci_finish_data()
472 dev_err(mmc_dev(host->mmc), in mxcmci_finish_data()
473 "%s: No CRC -ETIMEDOUT\n", __func__); in mxcmci_finish_data()
474 data->error = -ETIMEDOUT; in mxcmci_finish_data()
476 dev_err(mmc_dev(host->mmc), in mxcmci_finish_data()
477 "%s: -EILSEQ\n", __func__); in mxcmci_finish_data()
478 data->error = -EILSEQ; in mxcmci_finish_data()
481 dev_err(mmc_dev(host->mmc), in mxcmci_finish_data()
482 "%s: read -ETIMEDOUT\n", __func__); in mxcmci_finish_data()
483 data->error = -ETIMEDOUT; in mxcmci_finish_data()
485 dev_err(mmc_dev(host->mmc), "%s: -EIO\n", __func__); in mxcmci_finish_data()
486 data->error = -EIO; in mxcmci_finish_data()
489 data->bytes_xfered = host->datasize; in mxcmci_finish_data()
492 data_error = data->error; in mxcmci_finish_data()
494 host->data = NULL; in mxcmci_finish_data()
501 struct mmc_command *cmd = host->cmd; in mxcmci_read_response()
509 dev_dbg(mmc_dev(host->mmc), "CMD TIMEOUT\n"); in mxcmci_read_response()
510 cmd->error = -ETIMEDOUT; in mxcmci_read_response()
511 } else if (stat & STATUS_RESP_CRC_ERR && cmd->flags & MMC_RSP_CRC) { in mxcmci_read_response()
512 dev_dbg(mmc_dev(host->mmc), "cmd crc error\n"); in mxcmci_read_response()
513 cmd->error = -EILSEQ; in mxcmci_read_response()
516 if (cmd->flags & MMC_RSP_PRESENT) { in mxcmci_read_response()
517 if (cmd->flags & MMC_RSP_136) { in mxcmci_read_response()
521 cmd->resp[i] = a << 16 | b; in mxcmci_read_response()
527 cmd->resp[0] = a << 24 | b << 8 | c >> 8; in mxcmci_read_response()
543 mxcmci_set_clk_rate(host, host->clock); in mxcmci_poll_status()
563 bytes -= 4; in mxcmci_pull()
591 bytes -= 4; in mxcmci_push()
611 struct mmc_data *data = host->req->data; in mxcmci_transfer_data()
615 host->data = data; in mxcmci_transfer_data()
616 host->datasize = 0; in mxcmci_transfer_data()
618 if (data->flags & MMC_DATA_READ) { in mxcmci_transfer_data()
619 for_each_sg(data->sg, sg, data->sg_len, i) { in mxcmci_transfer_data()
620 stat = mxcmci_pull(host, sg_virt(sg), sg->length); in mxcmci_transfer_data()
623 host->datasize += sg->length; in mxcmci_transfer_data()
626 for_each_sg(data->sg, sg, data->sg_len, i) { in mxcmci_transfer_data()
627 stat = mxcmci_push(host, sg_virt(sg), sg->length); in mxcmci_transfer_data()
630 host->datasize += sg->length; in mxcmci_transfer_data()
649 if (host->req->stop) { in mxcmci_datawork()
650 if (mxcmci_start_cmd(host, host->req->stop, 0)) { in mxcmci_datawork()
651 mxcmci_finish_request(host, host->req); in mxcmci_datawork()
655 mxcmci_finish_request(host, host->req); in mxcmci_datawork()
665 spin_lock_irqsave(&host->lock, flags); in mxcmci_data_done()
667 if (!host->data) { in mxcmci_data_done()
668 spin_unlock_irqrestore(&host->lock, flags); in mxcmci_data_done()
672 if (!host->req) { in mxcmci_data_done()
673 spin_unlock_irqrestore(&host->lock, flags); in mxcmci_data_done()
677 req = host->req; in mxcmci_data_done()
678 if (!req->stop) in mxcmci_data_done()
679 host->req = NULL; /* we will handle finish req below */ in mxcmci_data_done()
683 spin_unlock_irqrestore(&host->lock, flags); in mxcmci_data_done()
689 host->cmd = NULL; in mxcmci_data_done()
691 if (req->stop) { in mxcmci_data_done()
692 if (mxcmci_start_cmd(host, req->stop, 0)) { in mxcmci_data_done()
704 host->cmd = NULL; in mxcmci_cmd_done()
706 if (!host->data && host->req) { in mxcmci_cmd_done()
707 mxcmci_finish_request(host, host->req); in mxcmci_cmd_done()
715 if (!mxcmci_use_dma(host) && host->data) in mxcmci_cmd_done()
716 schedule_work(&host->datawork); in mxcmci_cmd_done()
733 dev_dbg(mmc_dev(host->mmc), "%s: 0x%08x\n", __func__, stat); in mxcmci_irq()
735 spin_lock_irqsave(&host->lock, flags); in mxcmci_irq()
736 sdio_irq = (stat & STATUS_SDIO_INT_ACTIVE) && host->use_sdio; in mxcmci_irq()
737 spin_unlock_irqrestore(&host->lock, flags); in mxcmci_irq()
744 mmc_signal_sdio_irq(host->mmc); in mxcmci_irq()
751 del_timer(&host->watchdog); in mxcmci_irq()
755 if (host->default_irq_mask && in mxcmci_irq()
757 mmc_detect_change(host->mmc, msecs_to_jiffies(200)); in mxcmci_irq()
762 static void mxcmci_request(struct mmc_host *mmc, struct mmc_request *req) in mxcmci_request() argument
764 struct mxcmci_host *host = mmc_priv(mmc); in mxcmci_request()
765 unsigned int cmdat = host->cmdat; in mxcmci_request()
768 WARN_ON(host->req != NULL); in mxcmci_request()
770 host->req = req; in mxcmci_request()
771 host->cmdat &= ~CMD_DAT_CONT_INIT; in mxcmci_request()
773 if (host->dma) in mxcmci_request()
774 host->do_dma = 1; in mxcmci_request()
776 if (req->data) { in mxcmci_request()
777 error = mxcmci_setup_data(host, req->data); in mxcmci_request()
779 req->cmd->error = error; in mxcmci_request()
786 if (req->data->flags & MMC_DATA_WRITE) in mxcmci_request()
790 error = mxcmci_start_cmd(host, req->cmd, cmdat); in mxcmci_request()
801 unsigned int clk_in = clk_get_rate(host->clk_per); in mxcmci_set_clk_rate()
826 dev_dbg(mmc_dev(host->mmc), "scaler: %d divider: %d in: %d out: %d\n", in mxcmci_set_clk_rate()
830 static int mxcmci_setup_dma(struct mmc_host *mmc) in mxcmci_setup_dma() argument
832 struct mxcmci_host *host = mmc_priv(mmc); in mxcmci_setup_dma()
833 struct dma_slave_config *config = &host->dma_slave_config; in mxcmci_setup_dma()
835 config->dst_addr = host->phys_base + MMC_REG_BUFFER_ACCESS; in mxcmci_setup_dma()
836 config->src_addr = host->phys_base + MMC_REG_BUFFER_ACCESS; in mxcmci_setup_dma()
837 config->dst_addr_width = 4; in mxcmci_setup_dma()
838 config->src_addr_width = 4; in mxcmci_setup_dma()
839 config->dst_maxburst = host->burstlen; in mxcmci_setup_dma()
840 config->src_maxburst = host->burstlen; in mxcmci_setup_dma()
841 config->device_fc = false; in mxcmci_setup_dma()
843 return dmaengine_slave_config(host->dma, config); in mxcmci_setup_dma()
846 static void mxcmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) in mxcmci_set_ios() argument
848 struct mxcmci_host *host = mmc_priv(mmc); in mxcmci_set_ios()
852 * use burstlen of 64 (16 words) in 4 bit mode (--> reg value 0) in mxcmci_set_ios()
853 * use burstlen of 16 (4 words) in 1 bit mode (--> reg value 16) in mxcmci_set_ios()
855 if (ios->bus_width == MMC_BUS_WIDTH_4) in mxcmci_set_ios()
860 if (mxcmci_use_dma(host) && burstlen != host->burstlen) { in mxcmci_set_ios()
861 host->burstlen = burstlen; in mxcmci_set_ios()
862 ret = mxcmci_setup_dma(mmc); in mxcmci_set_ios()
864 dev_err(mmc_dev(host->mmc), in mxcmci_set_ios()
866 dma_release_channel(host->dma); in mxcmci_set_ios()
867 host->do_dma = 0; in mxcmci_set_ios()
868 host->dma = NULL; in mxcmci_set_ios()
872 if (ios->bus_width == MMC_BUS_WIDTH_4) in mxcmci_set_ios()
873 host->cmdat |= CMD_DAT_CONT_BUS_WIDTH_4; in mxcmci_set_ios()
875 host->cmdat &= ~CMD_DAT_CONT_BUS_WIDTH_4; in mxcmci_set_ios()
877 if (host->power_mode != ios->power_mode) { in mxcmci_set_ios()
878 host->power_mode = ios->power_mode; in mxcmci_set_ios()
879 mxcmci_set_power(host, ios->vdd); in mxcmci_set_ios()
881 if (ios->power_mode == MMC_POWER_ON) in mxcmci_set_ios()
882 host->cmdat |= CMD_DAT_CONT_INIT; in mxcmci_set_ios()
885 if (ios->clock) { in mxcmci_set_ios()
886 mxcmci_set_clk_rate(host, ios->clock); in mxcmci_set_ios()
892 host->clock = ios->clock; in mxcmci_set_ios()
897 struct mmc_host *mmc = data; in mxcmci_detect_irq() local
899 dev_dbg(mmc_dev(mmc), "%s\n", __func__); in mxcmci_detect_irq()
901 mmc_detect_change(mmc, msecs_to_jiffies(250)); in mxcmci_detect_irq()
905 static int mxcmci_get_ro(struct mmc_host *mmc) in mxcmci_get_ro() argument
907 struct mxcmci_host *host = mmc_priv(mmc); in mxcmci_get_ro()
909 if (host->pdata && host->pdata->get_ro) in mxcmci_get_ro()
910 return !!host->pdata->get_ro(mmc_dev(mmc)); in mxcmci_get_ro()
912 * If board doesn't support read only detection (no mmc_gpio in mxcmci_get_ro()
913 * context or gpio is invalid), then let the mmc core decide in mxcmci_get_ro()
916 return mmc_gpio_get_ro(mmc); in mxcmci_get_ro()
919 static void mxcmci_enable_sdio_irq(struct mmc_host *mmc, int enable) in mxcmci_enable_sdio_irq() argument
921 struct mxcmci_host *host = mmc_priv(mmc); in mxcmci_enable_sdio_irq()
925 spin_lock_irqsave(&host->lock, flags); in mxcmci_enable_sdio_irq()
926 host->use_sdio = enable; in mxcmci_enable_sdio_irq()
935 spin_unlock_irqrestore(&host->lock, flags); in mxcmci_enable_sdio_irq()
944 * multi-block transfers when connected SDIO peripheral doesn't in mxcmci_init_card()
946 * One way to prevent this is to only allow 1-bit transfers. in mxcmci_init_card()
949 if (is_imx31_mmc(mxcmci) && card->type == MMC_TYPE_SDIO) in mxcmci_init_card()
950 host->caps &= ~MMC_CAP_4_BIT_DATA; in mxcmci_init_card()
952 host->caps |= MMC_CAP_4_BIT_DATA; in mxcmci_init_card()
962 chan->private = &host->dma_data; in filter()
970 struct mmc_request *req = host->req; in mxcmci_watchdog()
973 if (host->dma_dir == DMA_FROM_DEVICE) { in mxcmci_watchdog()
974 dmaengine_terminate_all(host->dma); in mxcmci_watchdog()
975 dev_err(mmc_dev(host->mmc), in mxcmci_watchdog()
979 dev_err(mmc_dev(host->mmc), in mxcmci_watchdog()
987 if (host->data) in mxcmci_watchdog()
988 host->data->error = -ETIMEDOUT; in mxcmci_watchdog()
989 host->req = NULL; in mxcmci_watchdog()
990 host->cmd = NULL; in mxcmci_watchdog()
991 host->data = NULL; in mxcmci_watchdog()
992 mmc_request_done(host->mmc, req); in mxcmci_watchdog()
1005 struct mmc_host *mmc; in mxcmci_probe() local
1012 struct imxmmc_platform_data *pdata = pdev->dev.platform_data; in mxcmci_probe()
1016 of_id = of_match_device(mxcmci_of_match, &pdev->dev); in mxcmci_probe()
1021 dev_err(&pdev->dev, "failed to get IRQ: %d\n", irq); in mxcmci_probe()
1025 mmc = mmc_alloc_host(sizeof(*host), &pdev->dev); in mxcmci_probe()
1026 if (!mmc) in mxcmci_probe()
1027 return -ENOMEM; in mxcmci_probe()
1029 host = mmc_priv(mmc); in mxcmci_probe()
1031 host->base = devm_ioremap_resource(&pdev->dev, res); in mxcmci_probe()
1032 if (IS_ERR(host->base)) { in mxcmci_probe()
1033 ret = PTR_ERR(host->base); in mxcmci_probe()
1037 host->phys_base = res->start; in mxcmci_probe()
1039 ret = mmc_of_parse(mmc); in mxcmci_probe()
1042 mmc->ops = &mxcmci_ops; in mxcmci_probe()
1046 mmc->caps = MMC_CAP_4_BIT_DATA | MMC_CAP_SDIO_IRQ; in mxcmci_probe()
1048 mmc->caps |= MMC_CAP_SDIO_IRQ; in mxcmci_probe()
1050 /* MMC core transfer sizes tunable parameters */ in mxcmci_probe()
1051 mmc->max_blk_size = 2048; in mxcmci_probe()
1052 mmc->max_blk_count = 65535; in mxcmci_probe()
1053 mmc->max_req_size = mmc->max_blk_size * mmc->max_blk_count; in mxcmci_probe()
1054 mmc->max_seg_size = mmc->max_req_size; in mxcmci_probe()
1057 const struct platform_device_id *id_entry = of_id->data; in mxcmci_probe()
1058 host->devtype = id_entry->driver_data; in mxcmci_probe()
1060 host->devtype = pdev->id_entry->driver_data; in mxcmci_probe()
1065 mmc->max_segs = 64; in mxcmci_probe()
1067 host->mmc = mmc; in mxcmci_probe()
1068 host->pdata = pdata; in mxcmci_probe()
1069 spin_lock_init(&host->lock); in mxcmci_probe()
1072 dat3_card_detect = pdata->dat3_card_detect; in mxcmci_probe()
1073 else if (mmc_card_is_removable(mmc) in mxcmci_probe()
1074 && !of_property_read_bool(pdev->dev.of_node, "cd-gpios")) in mxcmci_probe()
1077 ret = mmc_regulator_get_supply(mmc); in mxcmci_probe()
1081 if (!mmc->ocr_avail) { in mxcmci_probe()
1082 if (pdata && pdata->ocr_avail) in mxcmci_probe()
1083 mmc->ocr_avail = pdata->ocr_avail; in mxcmci_probe()
1085 mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34; in mxcmci_probe()
1089 host->default_irq_mask = in mxcmci_probe()
1092 host->default_irq_mask = 0; in mxcmci_probe()
1094 host->clk_ipg = devm_clk_get(&pdev->dev, "ipg"); in mxcmci_probe()
1095 if (IS_ERR(host->clk_ipg)) { in mxcmci_probe()
1096 ret = PTR_ERR(host->clk_ipg); in mxcmci_probe()
1100 host->clk_per = devm_clk_get(&pdev->dev, "per"); in mxcmci_probe()
1101 if (IS_ERR(host->clk_per)) { in mxcmci_probe()
1102 ret = PTR_ERR(host->clk_per); in mxcmci_probe()
1106 ret = clk_prepare_enable(host->clk_per); in mxcmci_probe()
1110 ret = clk_prepare_enable(host->clk_ipg); in mxcmci_probe()
1116 host->rev_no = mxcmci_readw(host, MMC_REG_REV_NO); in mxcmci_probe()
1117 if (host->rev_no != 0x400) { in mxcmci_probe()
1118 ret = -ENODEV; in mxcmci_probe()
1119 dev_err(mmc_dev(host->mmc), "wrong rev.no. 0x%08x. aborting.\n", in mxcmci_probe()
1120 host->rev_no); in mxcmci_probe()
1124 mmc->f_min = clk_get_rate(host->clk_per) >> 16; in mxcmci_probe()
1125 mmc->f_max = clk_get_rate(host->clk_per) >> 1; in mxcmci_probe()
1130 mxcmci_writel(host, host->default_irq_mask, MMC_REG_INT_CNTR); in mxcmci_probe()
1132 if (!host->pdata) { in mxcmci_probe()
1133 host->dma = dma_request_slave_channel(&pdev->dev, "rx-tx"); in mxcmci_probe()
1137 host->dmareq = res->start; in mxcmci_probe()
1138 host->dma_data.peripheral_type = IMX_DMATYPE_SDHC; in mxcmci_probe()
1139 host->dma_data.priority = DMA_PRIO_LOW; in mxcmci_probe()
1140 host->dma_data.dma_request = host->dmareq; in mxcmci_probe()
1143 host->dma = dma_request_channel(mask, filter, host); in mxcmci_probe()
1146 if (host->dma) in mxcmci_probe()
1147 mmc->max_seg_size = dma_get_max_seg_size( in mxcmci_probe()
1148 host->dma->device->dev); in mxcmci_probe()
1150 dev_info(mmc_dev(host->mmc), "dma not available. Using PIO\n"); in mxcmci_probe()
1152 INIT_WORK(&host->datawork, mxcmci_datawork); in mxcmci_probe()
1154 ret = devm_request_irq(&pdev->dev, irq, mxcmci_irq, 0, in mxcmci_probe()
1155 dev_name(&pdev->dev), host); in mxcmci_probe()
1159 platform_set_drvdata(pdev, mmc); in mxcmci_probe()
1161 if (host->pdata && host->pdata->init) { in mxcmci_probe()
1162 ret = host->pdata->init(&pdev->dev, mxcmci_detect_irq, in mxcmci_probe()
1163 host->mmc); in mxcmci_probe()
1168 timer_setup(&host->watchdog, mxcmci_watchdog, 0); in mxcmci_probe()
1170 mmc_add_host(mmc); in mxcmci_probe()
1175 if (host->dma) in mxcmci_probe()
1176 dma_release_channel(host->dma); in mxcmci_probe()
1179 clk_disable_unprepare(host->clk_ipg); in mxcmci_probe()
1181 clk_disable_unprepare(host->clk_per); in mxcmci_probe()
1184 mmc_free_host(mmc); in mxcmci_probe()
1191 struct mmc_host *mmc = platform_get_drvdata(pdev); in mxcmci_remove() local
1192 struct mxcmci_host *host = mmc_priv(mmc); in mxcmci_remove()
1194 mmc_remove_host(mmc); in mxcmci_remove()
1196 if (host->pdata && host->pdata->exit) in mxcmci_remove()
1197 host->pdata->exit(&pdev->dev, mmc); in mxcmci_remove()
1199 if (host->dma) in mxcmci_remove()
1200 dma_release_channel(host->dma); in mxcmci_remove()
1202 clk_disable_unprepare(host->clk_per); in mxcmci_remove()
1203 clk_disable_unprepare(host->clk_ipg); in mxcmci_remove()
1205 mmc_free_host(mmc); in mxcmci_remove()
1213 struct mmc_host *mmc = dev_get_drvdata(dev); in mxcmci_suspend() local
1214 struct mxcmci_host *host = mmc_priv(mmc); in mxcmci_suspend()
1216 clk_disable_unprepare(host->clk_per); in mxcmci_suspend()
1217 clk_disable_unprepare(host->clk_ipg); in mxcmci_suspend()
1223 struct mmc_host *mmc = dev_get_drvdata(dev); in mxcmci_resume() local
1224 struct mxcmci_host *host = mmc_priv(mmc); in mxcmci_resume()
1227 ret = clk_prepare_enable(host->clk_per); in mxcmci_resume()
1231 ret = clk_prepare_enable(host->clk_ipg); in mxcmci_resume()
1233 clk_disable_unprepare(host->clk_per); in mxcmci_resume()
1257 MODULE_ALIAS("platform:mxc-mmc");