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authorPaul Mackerras <paulus@samba.org>2008-01-31 01:25:51 +0100
committerPaul Mackerras <paulus@samba.org>2008-01-31 01:25:51 +0100
commitbd45ac0c5daae35e7c71138172e63df5cf644cf6 (patch)
tree5eb5a599bf6a9d7a8a34e802db932aa9e9555de4 /drivers/mmc
parentMerge branch 'for-2.6.25' of git://git.secretlab.ca/git/linux-2.6-mpc52xx (diff)
parentMerge git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog (diff)
downloadlinux-bd45ac0c5daae35e7c71138172e63df5cf644cf6.tar.xz
linux-bd45ac0c5daae35e7c71138172e63df5cf644cf6.zip
Merge branch 'linux-2.6'
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/card/block.c24
-rw-r--r--drivers/mmc/card/queue.c4
-rw-r--r--drivers/mmc/host/omap.c2
-rw-r--r--drivers/mmc/host/pxamci.c61
-rw-r--r--drivers/mmc/host/pxamci.h2
5 files changed, 54 insertions, 39 deletions
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index aeb32a93f6a0..91ded3e82401 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 30cd13b13ac3..7731ddefdc1b 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 971e18b91f4a..c9dfeb15b487 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 1654a3330340..1ea8482037bb 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 748c7706f237..f6c2e2fcce37 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