diff options
Diffstat (limited to 'drivers/mmc')
-rw-r--r-- | drivers/mmc/Kconfig | 2 | ||||
-rw-r--r-- | drivers/mmc/Makefile | 3 | ||||
-rw-r--r-- | drivers/mmc/at91_mci.c | 5 | ||||
-rw-r--r-- | drivers/mmc/imxmmc.c | 2 | ||||
-rw-r--r-- | drivers/mmc/mmc.c | 1 | ||||
-rw-r--r-- | drivers/mmc/mmc_block.c | 66 | ||||
-rw-r--r-- | drivers/mmc/mmc_queue.c | 6 | ||||
-rw-r--r-- | drivers/mmc/mmci.c | 13 | ||||
-rw-r--r-- | drivers/mmc/omap.c | 7 | ||||
-rw-r--r-- | drivers/mmc/sdhci.c | 7 | ||||
-rw-r--r-- | drivers/mmc/sdhci.h | 5 | ||||
-rw-r--r-- | drivers/mmc/wbsd.c | 7 | ||||
-rw-r--r-- | drivers/mmc/wbsd.h | 5 |
13 files changed, 77 insertions, 52 deletions
diff --git a/drivers/mmc/Kconfig b/drivers/mmc/Kconfig index 45bcf098e762..f540bd88dc5a 100644 --- a/drivers/mmc/Kconfig +++ b/drivers/mmc/Kconfig @@ -21,7 +21,7 @@ config MMC_DEBUG config MMC_BLOCK tristate "MMC block device driver" - depends on MMC + depends on MMC && BLOCK default y help Say Y here to enable the MMC block device driver support. diff --git a/drivers/mmc/Makefile b/drivers/mmc/Makefile index d2957e35cc6f..b1f6e03e7aa9 100644 --- a/drivers/mmc/Makefile +++ b/drivers/mmc/Makefile @@ -24,7 +24,8 @@ obj-$(CONFIG_MMC_AU1X) += au1xmmc.o obj-$(CONFIG_MMC_OMAP) += omap.o obj-$(CONFIG_MMC_AT91RM9200) += at91_mci.o -mmc_core-y := mmc.o mmc_queue.o mmc_sysfs.o +mmc_core-y := mmc.o mmc_sysfs.o +mmc_core-$(CONFIG_BLOCK) += mmc_queue.o ifeq ($(CONFIG_MMC_DEBUG),y) EXTRA_CFLAGS += -DDEBUG diff --git a/drivers/mmc/at91_mci.c b/drivers/mmc/at91_mci.c index 6b7638b84290..cb142a66098c 100644 --- a/drivers/mmc/at91_mci.c +++ b/drivers/mmc/at91_mci.c @@ -822,6 +822,7 @@ static int at91_mci_probe(struct platform_device *pdev) mmc->f_min = 375000; mmc->f_max = 25000000; mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34; + mmc->caps = MMC_CAP_BYTEBLOCK; host = mmc_priv(mmc); host->mmc = mmc; @@ -850,7 +851,7 @@ static int at91_mci_probe(struct platform_device *pdev) /* * Allocate the MCI interrupt */ - ret = request_irq(AT91_ID_MCI, at91_mci_irq, IRQF_SHARED, DRIVER_NAME, host); + ret = request_irq(AT91RM9200_ID_MCI, at91_mci_irq, IRQF_SHARED, DRIVER_NAME, host); if (ret) { printk(KERN_ERR "Failed to request MCI interrupt\n"); clk_disable(mci_clk); @@ -906,7 +907,7 @@ static int at91_mci_remove(struct platform_device *pdev) mmc_remove_host(mmc); at91_mci_disable(); - free_irq(AT91_ID_MCI, host); + free_irq(AT91RM9200_ID_MCI, host); mmc_free_host(mmc); clk_disable(mci_clk); /* Disable the peripheral clock */ diff --git a/drivers/mmc/imxmmc.c b/drivers/mmc/imxmmc.c index fb6565b98f32..1b79dd271aae 100644 --- a/drivers/mmc/imxmmc.c +++ b/drivers/mmc/imxmmc.c @@ -956,7 +956,7 @@ static int imxmci_probe(struct platform_device *pdev) mmc->f_min = 150000; mmc->f_max = CLK_RATE/2; mmc->ocr_avail = MMC_VDD_32_33; - mmc->caps |= MMC_CAP_4_BIT_DATA; + mmc->caps = MMC_CAP_4_BIT_DATA | MMC_CAP_BYTEBLOCK; /* MMC core transfer sizes tunable parameters */ mmc->max_hw_segs = 64; diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index 74eaaee66de0..5b9caa7978d3 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -996,7 +996,6 @@ static void mmc_read_scrs(struct mmc_host *host) mmc_set_data_timeout(&data, card, 0); - data.blksz_bits = 3; data.blksz = 1 << 3; data.blocks = 1; data.flags = MMC_DATA_READ; diff --git a/drivers/mmc/mmc_block.c b/drivers/mmc/mmc_block.c index a0e0dad1b419..db0e8ad439a5 100644 --- a/drivers/mmc/mmc_block.c +++ b/drivers/mmc/mmc_block.c @@ -32,6 +32,7 @@ #include <linux/mmc/card.h> #include <linux/mmc/host.h> #include <linux/mmc/protocol.h> +#include <linux/mmc/host.h> #include <asm/system.h> #include <asm/uaccess.h> @@ -165,6 +166,7 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) do { struct mmc_blk_request brq; struct mmc_command cmd; + u32 readcmd, writecmd; memset(&brq, 0, sizeof(struct mmc_blk_request)); brq.mrq.cmd = &brq.cmd; @@ -172,7 +174,6 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) brq.cmd.arg = req->sector << 9; brq.cmd.flags = MMC_RSP_R1 | MMC_CMD_ADTC; - brq.data.blksz_bits = md->block_bits; brq.data.blksz = 1 << md->block_bits; brq.data.blocks = req->nr_sectors >> (md->block_bits - 9); brq.stop.opcode = MMC_STOP_TRANSMISSION; @@ -181,20 +182,31 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) mmc_set_data_timeout(&brq.data, card, rq_data_dir(req) != READ); - if (rq_data_dir(req) == READ) { - brq.cmd.opcode = brq.data.blocks > 1 ? MMC_READ_MULTIPLE_BLOCK : MMC_READ_SINGLE_BLOCK; - brq.data.flags |= MMC_DATA_READ; - } else { - brq.cmd.opcode = MMC_WRITE_BLOCK; - brq.data.flags |= MMC_DATA_WRITE; + /* + * If the host doesn't support multiple block writes, force + * block writes to single block. + */ + if (rq_data_dir(req) != READ && + !(card->host->caps & MMC_CAP_MULTIWRITE)) brq.data.blocks = 1; - } if (brq.data.blocks > 1) { brq.data.flags |= MMC_DATA_MULTI; brq.mrq.stop = &brq.stop; + readcmd = MMC_READ_MULTIPLE_BLOCK; + writecmd = MMC_WRITE_MULTIPLE_BLOCK; } else { brq.mrq.stop = NULL; + readcmd = MMC_READ_SINGLE_BLOCK; + writecmd = MMC_WRITE_BLOCK; + } + + if (rq_data_dir(req) == READ) { + brq.cmd.opcode = readcmd; + brq.data.flags |= MMC_DATA_READ; + } else { + brq.cmd.opcode = writecmd; + brq.data.flags |= MMC_DATA_WRITE; } brq.data.sg = mq->sg; @@ -219,27 +231,29 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) goto cmd_err; } - do { - int err; - - cmd.opcode = MMC_SEND_STATUS; - cmd.arg = card->rca << 16; - cmd.flags = MMC_RSP_R1 | MMC_CMD_AC; - err = mmc_wait_for_cmd(card->host, &cmd, 5); - if (err) { - printk(KERN_ERR "%s: error %d requesting status\n", - req->rq_disk->disk_name, err); - goto cmd_err; - } - } while (!(cmd.resp[0] & R1_READY_FOR_DATA)); + if (rq_data_dir(req) != READ) { + do { + int err; + + cmd.opcode = MMC_SEND_STATUS; + cmd.arg = card->rca << 16; + cmd.flags = MMC_RSP_R1 | MMC_CMD_AC; + err = mmc_wait_for_cmd(card->host, &cmd, 5); + if (err) { + printk(KERN_ERR "%s: error %d requesting status\n", + req->rq_disk->disk_name, err); + goto cmd_err; + } + } while (!(cmd.resp[0] & R1_READY_FOR_DATA)); #if 0 - if (cmd.resp[0] & ~0x00000900) - printk(KERN_ERR "%s: status = %08x\n", - req->rq_disk->disk_name, cmd.resp[0]); - if (mmc_decode_status(cmd.resp)) - goto cmd_err; + if (cmd.resp[0] & ~0x00000900) + printk(KERN_ERR "%s: status = %08x\n", + req->rq_disk->disk_name, cmd.resp[0]); + if (mmc_decode_status(cmd.resp)) + goto cmd_err; #endif + } /* * A block was successfully transferred. diff --git a/drivers/mmc/mmc_queue.c b/drivers/mmc/mmc_queue.c index 74f8cdeeff0f..4ccdd82b680f 100644 --- a/drivers/mmc/mmc_queue.c +++ b/drivers/mmc/mmc_queue.c @@ -28,7 +28,7 @@ static int mmc_prep_request(struct request_queue *q, struct request *req) struct mmc_queue *mq = q->queuedata; int ret = BLKPREP_KILL; - if (req->flags & REQ_SPECIAL) { + if (blk_special_request(req)) { /* * Special commands already have the command * blocks already setup in req->special. @@ -36,7 +36,7 @@ static int mmc_prep_request(struct request_queue *q, struct request *req) BUG_ON(!req->special); ret = BLKPREP_OK; - } else if (req->flags & (REQ_CMD | REQ_BLOCK_PC)) { + } else if (blk_fs_request(req) || blk_pc_request(req)) { /* * Block I/O requests need translating according * to the protocol. @@ -50,7 +50,7 @@ static int mmc_prep_request(struct request_queue *q, struct request *req) } if (ret == BLKPREP_OK) - req->flags |= REQ_DONTPREP; + req->cmd_flags |= REQ_DONTPREP; return ret; } diff --git a/drivers/mmc/mmci.c b/drivers/mmc/mmci.c index 1886562abdd4..2b5a0cc9ea56 100644 --- a/drivers/mmc/mmci.c +++ b/drivers/mmc/mmci.c @@ -69,12 +69,13 @@ static void mmci_start_data(struct mmci_host *host, struct mmc_data *data) unsigned int datactrl, timeout, irqmask; unsigned long long clks; void __iomem *base; + int blksz_bits; DBG(host, "blksz %04x blks %04x flags %08x\n", - 1 << data->blksz_bits, data->blocks, data->flags); + data->blksz, data->blocks, data->flags); host->data = data; - host->size = data->blocks << data->blksz_bits; + host->size = data->blksz; host->data_xfered = 0; mmci_init_sg(host, data); @@ -88,7 +89,10 @@ static void mmci_start_data(struct mmci_host *host, struct mmc_data *data) writel(timeout, base + MMCIDATATIMER); writel(host->size, base + MMCIDATALENGTH); - datactrl = MCI_DPSM_ENABLE | data->blksz_bits << 4; + blksz_bits = ffs(data->blksz) - 1; + BUG_ON(1 << blksz_bits != data->blksz); + + datactrl = MCI_DPSM_ENABLE | blksz_bits << 4; if (data->flags & MMC_DATA_READ) { datactrl |= MCI_DPSM_DIRECTION; irqmask = MCI_RXFIFOHALFFULLMASK; @@ -145,7 +149,7 @@ mmci_data_irq(struct mmci_host *host, struct mmc_data *data, unsigned int status) { if (status & MCI_DATABLOCKEND) { - host->data_xfered += 1 << data->blksz_bits; + host->data_xfered += data->blksz; } if (status & (MCI_DATACRCFAIL|MCI_DATATIMEOUT|MCI_TXUNDERRUN|MCI_RXOVERRUN)) { if (status & MCI_DATACRCFAIL) @@ -505,6 +509,7 @@ static int mmci_probe(struct amba_device *dev, void *id) mmc->f_min = (host->mclk + 511) / 512; mmc->f_max = min(host->mclk, fmax); mmc->ocr_avail = plat->ocr_mask; + mmc->caps = MMC_CAP_MULTIWRITE; /* * We can do SGIO diff --git a/drivers/mmc/omap.c b/drivers/mmc/omap.c index ddf06b32c159..52c9e52e6b78 100644 --- a/drivers/mmc/omap.c +++ b/drivers/mmc/omap.c @@ -1034,13 +1034,14 @@ static int __init mmc_omap_probe(struct platform_device *pdev) host->irq = pdev->resource[1].start; host->base = (void __iomem*)IO_ADDRESS(r->start); - if (minfo->wire4) - mmc->caps |= MMC_CAP_4_BIT_DATA; - mmc->ops = &mmc_omap_ops; mmc->f_min = 400000; mmc->f_max = 24000000; mmc->ocr_avail = MMC_VDD_32_33|MMC_VDD_33_34; + mmc->caps = MMC_CAP_BYTEBLOCK; + + if (minfo->wire4) + mmc->caps |= MMC_CAP_4_BIT_DATA; /* Use scatterlist DMA to reduce per-transfer costs. * NOTE max_seg_size assumption that small blocks aren't diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c index 4e21b3b9d330..4dab5ec392ea 100644 --- a/drivers/mmc/sdhci.c +++ b/drivers/mmc/sdhci.c @@ -4,8 +4,9 @@ * Copyright (C) 2005-2006 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. + * 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/delay.h> @@ -1262,7 +1263,7 @@ static int __devinit sdhci_probe_slot(struct pci_dev *pdev, int slot) mmc->ops = &sdhci_ops; mmc->f_min = host->max_clk / 256; mmc->f_max = host->max_clk; - mmc->caps = MMC_CAP_4_BIT_DATA; + mmc->caps = MMC_CAP_4_BIT_DATA | MMC_CAP_MULTIWRITE | MMC_CAP_BYTEBLOCK; mmc->ocr_avail = 0; if (caps & SDHCI_CAN_VDD_330) diff --git a/drivers/mmc/sdhci.h b/drivers/mmc/sdhci.h index f2453343f783..72a67937afe0 100644 --- a/drivers/mmc/sdhci.h +++ b/drivers/mmc/sdhci.h @@ -4,8 +4,9 @@ * Copyright (C) 2005 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. + * 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/wbsd.c b/drivers/mmc/wbsd.c index c351c6d1a18a..88c6f0b129f5 100644 --- a/drivers/mmc/wbsd.c +++ b/drivers/mmc/wbsd.c @@ -4,8 +4,9 @@ * Copyright (C) 2004-2005 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. + * 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. * * * Warning! @@ -1323,7 +1324,7 @@ static int __devinit wbsd_alloc_mmc(struct device *dev) mmc->f_min = 375000; mmc->f_max = 24000000; mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34; - mmc->caps = MMC_CAP_4_BIT_DATA; + mmc->caps = MMC_CAP_4_BIT_DATA | MMC_CAP_MULTIWRITE | MMC_CAP_BYTEBLOCK; spin_lock_init(&host->lock); diff --git a/drivers/mmc/wbsd.h b/drivers/mmc/wbsd.h index 249baa701cb0..6072993f01e3 100644 --- a/drivers/mmc/wbsd.h +++ b/drivers/mmc/wbsd.h @@ -4,8 +4,9 @@ * Copyright (C) 2004-2005 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. + * 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. */ #define LOCK_CODE 0xAA |