diff options
Diffstat (limited to 'drivers/mmc/host/tmio_mmc_core.c')
-rw-r--r-- | drivers/mmc/host/tmio_mmc_core.c | 32 |
1 files changed, 19 insertions, 13 deletions
diff --git a/drivers/mmc/host/tmio_mmc_core.c b/drivers/mmc/host/tmio_mmc_core.c index 88a94355ac90..12cf8288d663 100644 --- a/drivers/mmc/host/tmio_mmc_core.c +++ b/drivers/mmc/host/tmio_mmc_core.c @@ -87,6 +87,12 @@ static inline void tmio_mmc_abort_dma(struct tmio_mmc_host *host) host->dma_ops->abort(host); } +static inline void tmio_mmc_dataend_dma(struct tmio_mmc_host *host) +{ + if (host->dma_ops) + host->dma_ops->dataend(host); +} + void tmio_mmc_enable_mmc_irqs(struct tmio_mmc_host *host, u32 i) { host->sdcard_irq_mask &= ~(i & TMIO_MASK_IRQ); @@ -201,7 +207,10 @@ static void tmio_mmc_clk_start(struct tmio_mmc_host *host) { sd_ctrl_write16(host, CTL_SD_CARD_CLK_CTL, CLK_CTL_SCLKEN | sd_ctrl_read16(host, CTL_SD_CARD_CLK_CTL)); - msleep(host->pdata->flags & TMIO_MMC_MIN_RCAR2 ? 1 : 10); + + /* HW engineers overrode docs: no sleep needed on R-Car2+ */ + if (!(host->pdata->flags & TMIO_MMC_MIN_RCAR2)) + msleep(10); if (host->pdata->flags & TMIO_MMC_HAVE_HIGH_REG) { sd_ctrl_write16(host, CTL_CLK_AND_WAIT_CTL, 0x0100); @@ -218,7 +227,10 @@ static void tmio_mmc_clk_stop(struct tmio_mmc_host *host) sd_ctrl_write16(host, CTL_SD_CARD_CLK_CTL, ~CLK_CTL_SCLKEN & sd_ctrl_read16(host, CTL_SD_CARD_CLK_CTL)); - msleep(host->pdata->flags & TMIO_MMC_MIN_RCAR2 ? 5 : 10); + + /* HW engineers overrode docs: no sleep needed on R-Car2+ */ + if (!(host->pdata->flags & TMIO_MMC_MIN_RCAR2)) + msleep(10); } static void tmio_mmc_set_clock(struct tmio_mmc_host *host, @@ -343,12 +355,6 @@ static int tmio_mmc_start_command(struct tmio_mmc_host *host, int c = cmd->opcode; u32 irq_mask = TMIO_MASK_CMD; - /* CMD12 is handled by hardware */ - if (cmd->opcode == MMC_STOP_TRANSMISSION && !cmd->arg) { - sd_ctrl_write16(host, CTL_STOP_INTERNAL_ACTION, TMIO_STOP_STP); - return 0; - } - switch (mmc_resp_type(cmd)) { case MMC_RSP_NONE: c |= RESP_NONE; break; case MMC_RSP_R1: @@ -605,11 +611,11 @@ static void tmio_mmc_data_irq(struct tmio_mmc_host *host, unsigned int stat) if (done) { tmio_mmc_disable_mmc_irqs(host, TMIO_STAT_DATAEND); - complete(&host->dma_dataend); + tmio_mmc_dataend_dma(host); } } else if (host->chan_rx && (data->flags & MMC_DATA_READ) && !host->force_pio) { tmio_mmc_disable_mmc_irqs(host, TMIO_STAT_DATAEND); - complete(&host->dma_dataend); + tmio_mmc_dataend_dma(host); } else { tmio_mmc_do_data_irq(host); tmio_mmc_disable_mmc_irqs(host, TMIO_MASK_READOP | TMIO_MASK_WRITEOP); @@ -1251,10 +1257,10 @@ int tmio_mmc_host_probe(struct tmio_mmc_host *_host, mmc->caps |= MMC_CAP_4_BIT_DATA | pdata->capabilities; mmc->caps2 |= pdata->capabilities2; - mmc->max_segs = 32; + mmc->max_segs = pdata->max_segs ? : 32; mmc->max_blk_size = 512; - mmc->max_blk_count = (PAGE_SIZE / mmc->max_blk_size) * - mmc->max_segs; + mmc->max_blk_count = pdata->max_blk_count ? : + (PAGE_SIZE / mmc->max_blk_size) * mmc->max_segs; mmc->max_req_size = mmc->max_blk_size * mmc->max_blk_count; mmc->max_seg_size = mmc->max_req_size; |