diff options
Diffstat (limited to 'drivers/mmc/host/imxmmc.c')
-rw-r--r-- | drivers/mmc/host/imxmmc.c | 32 |
1 files changed, 22 insertions, 10 deletions
diff --git a/drivers/mmc/host/imxmmc.c b/drivers/mmc/host/imxmmc.c index 54bfc9f25596..6ebc41e7592c 100644 --- a/drivers/mmc/host/imxmmc.c +++ b/drivers/mmc/host/imxmmc.c @@ -428,11 +428,11 @@ static int imxmci_finish_data(struct imxmci_host *host, unsigned int stat) if ( stat & STATUS_ERR_MASK ) { dev_dbg(mmc_dev(host->mmc), "request failed. status: 0x%08x\n",stat); if(stat & (STATUS_CRC_READ_ERR | STATUS_CRC_WRITE_ERR)) - data->error = MMC_ERR_BADCRC; + data->error = -EILSEQ; else if(stat & STATUS_TIME_OUT_READ) - data->error = MMC_ERR_TIMEOUT; + data->error = -ETIMEDOUT; else - data->error = MMC_ERR_FAILED; + data->error = -EIO; } else { data->bytes_xfered = host->dma_size; } @@ -458,10 +458,10 @@ static int imxmci_cmd_done(struct imxmci_host *host, unsigned int stat) if (stat & STATUS_TIME_OUT_RESP) { dev_dbg(mmc_dev(host->mmc), "CMD TIMEOUT\n"); - cmd->error = MMC_ERR_TIMEOUT; + cmd->error = -ETIMEDOUT; } else if (stat & STATUS_RESP_CRC_ERR && cmd->flags & MMC_RSP_CRC) { dev_dbg(mmc_dev(host->mmc), "cmd crc error\n"); - cmd->error = MMC_ERR_BADCRC; + cmd->error = -EILSEQ; } if(cmd->flags & MMC_RSP_PRESENT) { @@ -482,7 +482,7 @@ static int imxmci_cmd_done(struct imxmci_host *host, unsigned int stat) dev_dbg(mmc_dev(host->mmc), "RESP 0x%08x, 0x%08x, 0x%08x, 0x%08x, error %d\n", cmd->resp[0], cmd->resp[1], cmd->resp[2], cmd->resp[3], cmd->error); - if (data && (cmd->error == MMC_ERR_NONE) && !(stat & STATUS_ERR_MASK)) { + if (data && !cmd->error && !(stat & STATUS_ERR_MASK)) { if (host->req->data->flags & MMC_DATA_WRITE) { /* Wait for FIFO to be empty before starting DMA write */ @@ -491,7 +491,7 @@ static int imxmci_cmd_done(struct imxmci_host *host, unsigned int stat) if(imxmci_busy_wait_for_status(host, &stat, STATUS_APPL_BUFF_FE, 40, "imxmci_cmd_done DMA WR") < 0) { - cmd->error = MMC_ERR_FIFO; + cmd->error = -EIO; imxmci_finish_data(host, stat); if(host->req) imxmci_finish_request(host, host->req); @@ -884,9 +884,21 @@ static void imxmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) } } +static int imxmci_get_ro(struct mmc_host *mmc) +{ + struct imxmci_host *host = mmc_priv(mmc); + + if (host->pdata && host->pdata->get_ro) + return host->pdata->get_ro(mmc_dev(mmc)); + /* Host doesn't support read only detection so assume writeable */ + return 0; +} + + static const struct mmc_host_ops imxmci_ops = { .request = imxmci_request, .set_ios = imxmci_set_ios, + .get_ro = imxmci_get_ro, }; static struct resource *platform_device_resource(struct platform_device *dev, unsigned int mask, int nr) @@ -913,7 +925,7 @@ static void imxmci_check_status(unsigned long data) { struct imxmci_host *host = (struct imxmci_host *)data; - if( host->pdata->card_present() != host->present ) { + if( host->pdata->card_present(mmc_dev(host->mmc)) != host->present ) { host->present ^= 1; dev_info(mmc_dev(host->mmc), "card %s\n", host->present ? "inserted" : "removed"); @@ -963,7 +975,7 @@ static int imxmci_probe(struct platform_device *pdev) mmc->f_min = 150000; mmc->f_max = CLK_RATE/2; mmc->ocr_avail = MMC_VDD_32_33; - mmc->caps = MMC_CAP_4_BIT_DATA | MMC_CAP_BYTEBLOCK; + mmc->caps = MMC_CAP_4_BIT_DATA; /* MMC core transfer sizes tunable parameters */ mmc->max_hw_segs = 64; @@ -1022,7 +1034,7 @@ static int imxmci_probe(struct platform_device *pdev) if (ret) goto out; - host->present = host->pdata->card_present(); + host->present = host->pdata->card_present(mmc_dev(mmc)); init_timer(&host->timer); host->timer.data = (unsigned long)host; host->timer.function = imxmci_check_status; |