diff options
Diffstat (limited to 'drivers/mmc/host/mmci.c')
-rw-r--r-- | drivers/mmc/host/mmci.c | 21 |
1 files changed, 11 insertions, 10 deletions
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) { |