diff options
author | Paul Mackerras <paulus@samba.org> | 2008-01-31 11:25:51 +1100 |
---|---|---|
committer | Paul Mackerras <paulus@samba.org> | 2008-01-31 11:25:51 +1100 |
commit | bd45ac0c5daae35e7c71138172e63df5cf644cf6 (patch) | |
tree | 5eb5a599bf6a9d7a8a34e802db932aa9e9555de4 /drivers/mmc | |
parent | 4eece4ccf997c0e6d8fdad3d842e37b16b8d705f (diff) | |
parent | 5bdeae46be6dfe9efa44a548bd622af325f4bdb4 (diff) |
Merge branch 'linux-2.6'
Diffstat (limited to 'drivers/mmc')
-rw-r--r-- | drivers/mmc/card/block.c | 24 | ||||
-rw-r--r-- | drivers/mmc/card/queue.c | 4 | ||||
-rw-r--r-- | drivers/mmc/host/omap.c | 2 | ||||
-rw-r--r-- | drivers/mmc/host/pxamci.c | 61 | ||||
-rw-r--r-- | drivers/mmc/host/pxamci.h | 2 |
5 files changed, 54 insertions, 39 deletions
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index aeb32a93f6a..91ded3e8240 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -348,15 +348,7 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) * A block was successfully transferred. */ spin_lock_irq(&md->lock); - ret = end_that_request_chunk(req, 1, brq.data.bytes_xfered); - if (!ret) { - /* - * The whole request completed successfully. - */ - add_disk_randomness(req->rq_disk); - blkdev_dequeue_request(req); - end_that_request_last(req, 1); - } + ret = __blk_end_request(req, 0, brq.data.bytes_xfered); spin_unlock_irq(&md->lock); } while (ret); @@ -386,27 +378,21 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) else bytes = blocks << 9; spin_lock_irq(&md->lock); - ret = end_that_request_chunk(req, 1, bytes); + ret = __blk_end_request(req, 0, bytes); spin_unlock_irq(&md->lock); } } else if (rq_data_dir(req) != READ && (card->host->caps & MMC_CAP_MULTIWRITE)) { spin_lock_irq(&md->lock); - ret = end_that_request_chunk(req, 1, brq.data.bytes_xfered); + ret = __blk_end_request(req, 0, brq.data.bytes_xfered); spin_unlock_irq(&md->lock); } mmc_release_host(card->host); spin_lock_irq(&md->lock); - while (ret) { - ret = end_that_request_chunk(req, 0, - req->current_nr_sectors << 9); - } - - add_disk_randomness(req->rq_disk); - blkdev_dequeue_request(req); - end_that_request_last(req, 0); + while (ret) + ret = __blk_end_request(req, -EIO, blk_rq_cur_bytes(req)); spin_unlock_irq(&md->lock); return 0; diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c index 30cd13b13ac..7731ddefdc1 100644 --- a/drivers/mmc/card/queue.c +++ b/drivers/mmc/card/queue.c @@ -94,8 +94,8 @@ static void mmc_request(struct request_queue *q) printk(KERN_ERR "MMC: killing requests for dead queue\n"); while ((req = elv_next_request(q)) != NULL) { do { - ret = end_that_request_chunk(req, 0, - req->current_nr_sectors << 9); + ret = __blk_end_request(req, -EIO, + blk_rq_cur_bytes(req)); } while (ret); } return; diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c index 971e18b91f4..c9dfeb15b48 100644 --- a/drivers/mmc/host/omap.c +++ b/drivers/mmc/host/omap.c @@ -25,6 +25,7 @@ #include <linux/mmc/card.h> #include <linux/clk.h> #include <linux/scatterlist.h> +#include <linux/i2c/tps65010.h> #include <asm/io.h> #include <asm/irq.h> @@ -35,7 +36,6 @@ #include <asm/arch/dma.h> #include <asm/arch/mux.h> #include <asm/arch/fpga.h> -#include <asm/arch/tps65010.h> #define OMAP_MMC_REG_CMD 0x00 #define OMAP_MMC_REG_ARGL 0x04 diff --git a/drivers/mmc/host/pxamci.c b/drivers/mmc/host/pxamci.c index 1654a333034..1ea8482037b 100644 --- a/drivers/mmc/host/pxamci.c +++ b/drivers/mmc/host/pxamci.c @@ -65,6 +65,8 @@ struct pxamci_host { unsigned int dma_len; unsigned int dma_dir; + unsigned int dma_drcmrrx; + unsigned int dma_drcmrtx; }; static void pxamci_stop_clock(struct pxamci_host *host) @@ -131,13 +133,13 @@ static void pxamci_setup_data(struct pxamci_host *host, struct mmc_data *data) if (data->flags & MMC_DATA_READ) { host->dma_dir = DMA_FROM_DEVICE; dcmd = DCMD_INCTRGADDR | DCMD_FLOWTRG; - DRCMRTXMMC = 0; - DRCMRRXMMC = host->dma | DRCMR_MAPVLD; + DRCMR(host->dma_drcmrtx) = 0; + DRCMR(host->dma_drcmrrx) = host->dma | DRCMR_MAPVLD; } else { host->dma_dir = DMA_TO_DEVICE; dcmd = DCMD_INCSRCADDR | DCMD_FLOWSRC; - DRCMRRXMMC = 0; - DRCMRTXMMC = host->dma | DRCMR_MAPVLD; + DRCMR(host->dma_drcmrrx) = 0; + DRCMR(host->dma_drcmrtx) = host->dma | DRCMR_MAPVLD; } dcmd |= DCMD_BURST32 | DCMD_WIDTH1; @@ -375,14 +377,23 @@ static void pxamci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) if (host->clkrt == CLKRT_OFF) clk_enable(host->clk); - /* - * clk might result in a lower divisor than we - * desire. check for that condition and adjust - * as appropriate. - */ - if (rate / clk > ios->clock) - clk <<= 1; - host->clkrt = fls(clk) - 1; + if (ios->clock == 26000000) { + /* to support 26MHz on pxa300/pxa310 */ + host->clkrt = 7; + } else { + /* to handle (19.5MHz, 26MHz) */ + if (!clk) + clk = 1; + + /* + * clk might result in a lower divisor than we + * desire. check for that condition and adjust + * as appropriate. + */ + if (rate / clk > ios->clock) + clk <<= 1; + host->clkrt = fls(clk) - 1; + } /* * we write clkrt on the next command @@ -459,7 +470,7 @@ static int pxamci_probe(struct platform_device *pdev) { struct mmc_host *mmc; struct pxamci_host *host = NULL; - struct resource *r; + struct resource *r, *dmarx, *dmatx; int ret, irq; r = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -519,7 +530,8 @@ static int pxamci_probe(struct platform_device *pdev) * Calculate minimum clock rate, rounding up. */ mmc->f_min = (host->clkrate + 63) / 64; - mmc->f_max = host->clkrate; + mmc->f_max = (cpu_is_pxa300() || cpu_is_pxa310()) ? 26000000 + : host->clkrate; mmc->ocr_avail = host->pdata ? host->pdata->ocr_mask : @@ -529,6 +541,9 @@ static int pxamci_probe(struct platform_device *pdev) if (!cpu_is_pxa21x() && !cpu_is_pxa25x()) { mmc->caps |= MMC_CAP_4_BIT_DATA | MMC_CAP_SDIO_IRQ; host->cmdat |= CMDAT_SDIO_INT_EN; + if (cpu_is_pxa300() || cpu_is_pxa310()) + mmc->caps |= MMC_CAP_MMC_HIGHSPEED | + MMC_CAP_SD_HIGHSPEED; } host->sg_cpu = dma_alloc_coherent(&pdev->dev, PAGE_SIZE, &host->sg_dma, GFP_KERNEL); @@ -570,6 +585,20 @@ static int pxamci_probe(struct platform_device *pdev) platform_set_drvdata(pdev, mmc); + dmarx = platform_get_resource(pdev, IORESOURCE_DMA, 0); + if (!dmarx) { + ret = -ENXIO; + goto out; + } + host->dma_drcmrrx = dmarx->start; + + dmatx = platform_get_resource(pdev, IORESOURCE_DMA, 1); + if (!dmatx) { + ret = -ENXIO; + goto out; + } + host->dma_drcmrtx = dmatx->start; + if (host->pdata && host->pdata->init) host->pdata->init(&pdev->dev, pxamci_detect_irq, mmc); @@ -613,8 +642,8 @@ static int pxamci_remove(struct platform_device *pdev) END_CMD_RES|PRG_DONE|DATA_TRAN_DONE, host->base + MMC_I_MASK); - DRCMRRXMMC = 0; - DRCMRTXMMC = 0; + DRCMR(host->dma_drcmrrx) = 0; + DRCMR(host->dma_drcmrtx) = 0; free_irq(host->irq, host); pxa_free_dma(host->dma); diff --git a/drivers/mmc/host/pxamci.h b/drivers/mmc/host/pxamci.h index 748c7706f23..f6c2e2fcce3 100644 --- a/drivers/mmc/host/pxamci.h +++ b/drivers/mmc/host/pxamci.h @@ -68,7 +68,7 @@ #define PRG_DONE (1 << 1) #define DATA_TRAN_DONE (1 << 0) -#ifdef CONFIG_PXA27x +#if defined(CONFIG_PXA27x) || defined(CONFIG_PXA3xx) #define MMC_I_MASK_ALL 0x00001fff #else #define MMC_I_MASK_ALL 0x0000007f |