diff options
| author | Gerald Kerma <drEagle@doukki.net> | 2014-12-13 21:35:35 +0100 |
|---|---|---|
| committer | Pantelis Antoniou <pantelis.antoniou@konsulko.com> | 2015-01-06 10:10:23 +0200 |
| commit | 02b2739e8fd90f3bc6945824d87ca1647cf95aef (patch) | |
| tree | 2258fcbbc397ade2f10fb30feeee56e4eaf6d8d4 /drivers | |
| parent | 86eeecafc24408822c1c8c329963e6f76751cae1 (diff) | |
| download | blackbird-obmc-uboot-02b2739e8fd90f3bc6945824d87ca1647cf95aef.tar.gz blackbird-obmc-uboot-02b2739e8fd90f3bc6945824d87ca1647cf95aef.zip | |
MVEBUMMC : CLEAN code
Clean mvebu_mmc_send_cmd
Signed-off-by: Gérald Kerma <drEagle@doukki.net>
Acked-by: Pantelis Antoniou <panto@antoniou-consulting.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mmc/mvebu_mmc.c | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/drivers/mmc/mvebu_mmc.c b/drivers/mmc/mvebu_mmc.c index 3e08f4091d..721ebcc6d4 100644 --- a/drivers/mmc/mvebu_mmc.c +++ b/drivers/mmc/mvebu_mmc.c @@ -103,16 +103,9 @@ static int mvebu_mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, DRIVER_NAME, hw_state, count, (get_timer(0) - (start))); } - /* Set up for a data transfer if we have one */ - if (data) { - int err = mvebu_mmc_setup_data(data); - - if (err) { - debug("%s: command DATA error :%x\n", - DRIVER_NAME, err); - return err; - } - } + /* Clear status */ + mvebu_mmc_write(SDIO_NOR_INTR_STATUS, SDIO_POLL_MASK); + mvebu_mmc_write(SDIO_ERR_INTR_STATUS, SDIO_POLL_MASK); resptype = SDIO_CMD_INDEX(cmd->cmdidx); @@ -138,6 +131,14 @@ static int mvebu_mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, } if (data) { + int err = mvebu_mmc_setup_data(data); + + if (err) { + debug("%s: command DATA error :%x\n", + DRIVER_NAME, err); + return err; + } + resptype |= SDIO_CMD_DATA_PRESENT | SDIO_CMD_CHECK_DATACRC16; xfertype |= SDIO_XFER_MODE_HW_WR_DATA_EN; if (data->flags & MMC_DATA_READ) { @@ -157,15 +158,9 @@ static int mvebu_mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, /* Setting Xfer mode */ mvebu_mmc_write(SDIO_XFER_MODE, xfertype); - mvebu_mmc_write(SDIO_NOR_INTR_STATUS, ~SDIO_NOR_CARD_INT); - mvebu_mmc_write(SDIO_ERR_INTR_STATUS, SDIO_POLL_MASK); - /* Sending command */ mvebu_mmc_write(SDIO_CMD, resptype); - mvebu_mmc_write(SDIO_NOR_INTR_EN, SDIO_POLL_MASK); - mvebu_mmc_write(SDIO_ERR_INTR_EN, SDIO_POLL_MASK); - start = get_timer(0); while (!((mvebu_mmc_read(SDIO_NOR_INTR_STATUS)) & waittype)) { @@ -189,10 +184,6 @@ static int mvebu_mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, } } - if (mvebu_mmc_read(SDIO_ERR_INTR_STATUS) & - (SDIO_ERR_CMD_TIMEOUT | SDIO_ERR_DATA_TIMEOUT)) - return TIMEOUT; - /* Handling response */ if (cmd->resp_type & MMC_RSP_136) { uint response[8]; @@ -225,6 +216,11 @@ static int mvebu_mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, cmd->response[1] = ((response[0] & 0xfc00) >> 10); cmd->response[2] = 0; cmd->response[3] = 0; + } else { + cmd->response[0] = 0; + cmd->response[1] = 0; + cmd->response[2] = 0; + cmd->response[3] = 0; } debug("%s: resp[0x%x] ", DRIVER_NAME, cmd->resp_type); @@ -234,6 +230,10 @@ static int mvebu_mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, debug("[0x%x] ", cmd->response[3]); debug("\n"); + if (mvebu_mmc_read(SDIO_ERR_INTR_STATUS) & + (SDIO_ERR_CMD_TIMEOUT | SDIO_ERR_DATA_TIMEOUT)) + return TIMEOUT; + return 0; } |
