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path: root/drivers/mmc/host
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-rw-r--r--drivers/mmc/host/bfin_sdh.c2
-rw-r--r--drivers/mmc/host/jz4740_mmc.c5
-rw-r--r--drivers/mmc/host/mmci.c21
-rw-r--r--drivers/mmc/host/sdhci-s3c.c36
-rw-r--r--drivers/mmc/host/ushc.c1
5 files changed, 51 insertions, 14 deletions
diff --git a/drivers/mmc/host/bfin_sdh.c b/drivers/mmc/host/bfin_sdh.c
index bac7d62866b..0371bf50224 100644
--- a/drivers/mmc/host/bfin_sdh.c
+++ b/drivers/mmc/host/bfin_sdh.c
@@ -462,7 +462,7 @@ static int __devinit sdh_probe(struct platform_device *pdev)
goto out;
}
- mmc = mmc_alloc_host(sizeof(*mmc), &pdev->dev);
+ mmc = mmc_alloc_host(sizeof(struct sdh_host), &pdev->dev);
if (!mmc) {
ret = -ENOMEM;
goto out;
diff --git a/drivers/mmc/host/jz4740_mmc.c b/drivers/mmc/host/jz4740_mmc.c
index b3a0ab0e4c2..74218ad677e 100644
--- a/drivers/mmc/host/jz4740_mmc.c
+++ b/drivers/mmc/host/jz4740_mmc.c
@@ -14,6 +14,7 @@
*/
#include <linux/mmc/host.h>
+#include <linux/err.h>
#include <linux/io.h>
#include <linux/irq.h>
#include <linux/interrupt.h>
@@ -827,8 +828,8 @@ static int __devinit jz4740_mmc_probe(struct platform_device* pdev)
}
host->clk = clk_get(&pdev->dev, "mmc");
- if (!host->clk) {
- ret = -ENOENT;
+ if (IS_ERR(host->clk)) {
+ ret = PTR_ERR(host->clk);
dev_err(&pdev->dev, "Failed to get mmc clock\n");
goto err_free_host;
}
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 2de12fe155d..2d6de3e03e2 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -14,6 +14,7 @@
#include <linux/ioport.h>
#include <linux/device.h>
#include <linux/interrupt.h>
+#include <linux/kernel.h>
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/highmem.h>
@@ -283,19 +284,19 @@ mmci_data_irq(struct mmci_host *host, struct mmc_data *data,
u32 remain, success;
/* Calculate how far we are into the transfer */
- remain = readl(host->base + MMCIDATACNT) << 2;
+ remain = readl(host->base + MMCIDATACNT);
success = data->blksz * data->blocks - remain;
dev_dbg(mmc_dev(host->mmc), "MCI ERROR IRQ (status %08x)\n", status);
if (status & MCI_DATACRCFAIL) {
/* Last block was not successful */
- host->data_xfered = ((success / data->blksz) - 1 * data->blksz);
+ host->data_xfered = round_down(success - 1, data->blksz);
data->error = -EILSEQ;
} else if (status & MCI_DATATIMEOUT) {
- host->data_xfered = success;
+ host->data_xfered = round_down(success, data->blksz);
data->error = -ETIMEDOUT;
} else if (status & (MCI_TXUNDERRUN|MCI_RXOVERRUN)) {
- host->data_xfered = success;
+ host->data_xfered = round_down(success, data->blksz);
data->error = -EIO;
}
@@ -319,7 +320,7 @@ mmci_data_irq(struct mmci_host *host, struct mmc_data *data,
if (status & MCI_DATABLOCKEND)
dev_err(mmc_dev(host->mmc), "stray MCI_DATABLOCKEND interrupt\n");
- if (status & MCI_DATAEND) {
+ if (status & MCI_DATAEND || data->error) {
mmci_stop_data(host);
if (!data->error)
@@ -342,15 +343,15 @@ mmci_cmd_irq(struct mmci_host *host, struct mmc_command *cmd,
host->cmd = NULL;
- cmd->resp[0] = readl(base + MMCIRESPONSE0);
- cmd->resp[1] = readl(base + MMCIRESPONSE1);
- cmd->resp[2] = readl(base + MMCIRESPONSE2);
- cmd->resp[3] = readl(base + MMCIRESPONSE3);
-
if (status & MCI_CMDTIMEOUT) {
cmd->error = -ETIMEDOUT;
} else if (status & MCI_CMDCRCFAIL && cmd->flags & MMC_RSP_CRC) {
cmd->error = -EILSEQ;
+ } else {
+ cmd->resp[0] = readl(base + MMCIRESPONSE0);
+ cmd->resp[1] = readl(base + MMCIRESPONSE1);
+ cmd->resp[2] = readl(base + MMCIRESPONSE2);
+ cmd->resp[3] = readl(base + MMCIRESPONSE3);
}
if (!cmd->data || cmd->error) {
diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
index 17203586305..5309ab95aad 100644
--- a/drivers/mmc/host/sdhci-s3c.c
+++ b/drivers/mmc/host/sdhci-s3c.c
@@ -277,10 +277,43 @@ static void sdhci_cmu_set_clock(struct sdhci_host *host, unsigned int clock)
host->clock = clock;
}
+/**
+ * sdhci_s3c_platform_8bit_width - support 8bit buswidth
+ * @host: The SDHCI host being queried
+ * @width: MMC_BUS_WIDTH_ macro for the bus width being requested
+ *
+ * We have 8-bit width support but is not a v3 controller.
+ * So we add platform_8bit_width() and support 8bit width.
+ */
+static int sdhci_s3c_platform_8bit_width(struct sdhci_host *host, int width)
+{
+ u8 ctrl;
+
+ ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL);
+
+ switch (width) {
+ case MMC_BUS_WIDTH_8:
+ ctrl |= SDHCI_CTRL_8BITBUS;
+ ctrl &= ~SDHCI_CTRL_4BITBUS;
+ break;
+ case MMC_BUS_WIDTH_4:
+ ctrl |= SDHCI_CTRL_4BITBUS;
+ ctrl &= ~SDHCI_CTRL_8BITBUS;
+ break;
+ default:
+ break;
+ }
+
+ sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL);
+
+ return 0;
+}
+
static struct sdhci_ops sdhci_s3c_ops = {
.get_max_clock = sdhci_s3c_get_max_clk,
.set_clock = sdhci_s3c_set_clock,
.get_min_clock = sdhci_s3c_get_min_clock,
+ .platform_8bit_width = sdhci_s3c_platform_8bit_width,
};
static void sdhci_s3c_notify_change(struct platform_device *dev, int state)
@@ -473,6 +506,9 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
if (pdata->cd_type == S3C_SDHCI_CD_PERMANENT)
host->mmc->caps = MMC_CAP_NONREMOVABLE;
+ if (pdata->host_caps)
+ host->mmc->caps |= pdata->host_caps;
+
host->quirks |= (SDHCI_QUIRK_32BIT_DMA_ADDR |
SDHCI_QUIRK_32BIT_DMA_SIZE);
diff --git a/drivers/mmc/host/ushc.c b/drivers/mmc/host/ushc.c
index f8f65df9b01..f08f944ac53 100644
--- a/drivers/mmc/host/ushc.c
+++ b/drivers/mmc/host/ushc.c
@@ -19,7 +19,6 @@
#include <linux/module.h>
#include <linux/usb.h>
#include <linux/kernel.h>
-#include <linux/usb.h>
#include <linux/slab.h>
#include <linux/dma-mapping.h>
#include <linux/mmc/host.h>
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-23 02:34:17 +0000