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path: root/drivers/mmc/host/imxmmc.c
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Diffstat (limited to 'drivers/mmc/host/imxmmc.c')
-rw-r--r--drivers/mmc/host/imxmmc.c32
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;