diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-27 20:39:08 (GMT) |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-27 20:39:08 (GMT) |
commit | 95f9354b4cd23902e0556348325366378cb5e621 (patch) | |
tree | b0bb2fa664856104eab26cef636e3bb7c08ff49e | |
parent | 7205649778ca4a110d6098f8defd7312f0bb7289 (diff) | |
parent | a34650f0f1ca589cda09c48cb62baf15e680a247 (diff) | |
download | linux-fsl-qoriq-95f9354b4cd23902e0556348325366378cb5e621.tar.xz |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc:
mmc: bfin_sdh: fix alloc size for private data
mmc: sdhci-s3c: add platform_8bit_width() hook
mmc: jz4740: don't treat NULL clk as an error
mmc: mmci: don't read command response when invalid
mmc: ushc: Remove duplicate include of usb.h
-rw-r--r-- | drivers/mmc/host/bfin_sdh.c | 2 | ||||
-rw-r--r-- | drivers/mmc/host/jz4740_mmc.c | 5 | ||||
-rw-r--r-- | drivers/mmc/host/mmci.c | 10 | ||||
-rw-r--r-- | drivers/mmc/host/sdhci-s3c.c | 36 | ||||
-rw-r--r-- | drivers/mmc/host/ushc.c | 1 |
5 files changed, 45 insertions, 9 deletions
diff --git a/drivers/mmc/host/bfin_sdh.c b/drivers/mmc/host/bfin_sdh.c index bac7d62..0371bf5 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 b3a0ab0..74218ad 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 2de12fe..4b8dcd5 100644 --- a/drivers/mmc/host/mmci.c +++ b/drivers/mmc/host/mmci.c @@ -342,15 +342,15 @@ 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 1720358..5309ab9 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 f8f65df..f08f944 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> |