diff options
Diffstat (limited to 'drivers/mmc/host/omap_hsmmc.c')
| -rw-r--r-- | drivers/mmc/host/omap_hsmmc.c | 31 |
1 files changed, 12 insertions, 19 deletions
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index 9a7a60aeb19e..bc28627af66b 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -85,7 +85,6 @@ #define BRR_ENABLE (1 << 5) #define DTO_ENABLE (1 << 20) #define INIT_STREAM (1 << 1) -#define ACEN_ACMD12 (1 << 2) #define DP_SELECT (1 << 21) #define DDIR (1 << 4) #define DMA_EN 0x1 @@ -117,7 +116,6 @@ #define OMAP_MMC_MAX_CLOCK 52000000 #define DRIVER_NAME "omap_hsmmc" -#define AUTO_CMD12 (1 << 0) /* Auto CMD12 support */ /* * One controller can have multiple slots, like on some omap boards using * omap.c controller driver. Luckily this is not currently done on any known @@ -177,7 +175,6 @@ struct omap_hsmmc_host { int reqs_blocked; int use_reg; int req_in_progress; - unsigned int flags; struct omap_hsmmc_next next_data; struct omap_mmc_platform_data *pdata; @@ -773,8 +770,6 @@ omap_hsmmc_start_command(struct omap_hsmmc_host *host, struct mmc_command *cmd, cmdtype = 0x3; cmdreg = (cmd->opcode << 24) | (resptype << 16) | (cmdtype << 22); - if ((host->flags & AUTO_CMD12) && mmc_op_multi(cmd->opcode)) - cmdreg |= ACEN_ACMD12; if (data) { cmdreg |= DP_SELECT | MSBS | BCE; @@ -847,14 +842,11 @@ omap_hsmmc_xfer_done(struct omap_hsmmc_host *host, struct mmc_data *data) else data->bytes_xfered = 0; - if (data->stop && ((!(host->flags & AUTO_CMD12)) || data->error)) { - omap_hsmmc_start_command(host, data->stop, NULL); - } else { - if (data->stop) - data->stop->resp[0] = OMAP_HSMMC_READ(host->base, - RSP76); + if (!data->stop) { omap_hsmmc_request_done(host, data->mrq); + return; } + omap_hsmmc_start_command(host, data->stop, NULL); } /* @@ -1097,7 +1089,7 @@ static int omap_hsmmc_switch_opcond(struct omap_hsmmc_host *host, int vdd) /* Disable the clocks */ pm_runtime_put_sync(host->dev); if (host->dbclk) - clk_disable(host->dbclk); + clk_disable_unprepare(host->dbclk); /* Turn the power off */ ret = mmc_slot(host).set_power(host->dev, host->slot_id, 0, 0); @@ -1108,7 +1100,7 @@ static int omap_hsmmc_switch_opcond(struct omap_hsmmc_host *host, int vdd) vdd); pm_runtime_get_sync(host->dev); if (host->dbclk) - clk_enable(host->dbclk); + clk_prepare_enable(host->dbclk); if (ret != 0) goto err; @@ -1859,7 +1851,6 @@ static int __devinit omap_hsmmc_probe(struct platform_device *pdev) host->mapbase = res->start + pdata->reg_offset; host->base = ioremap(host->mapbase, SZ_4K); host->power_mode = MMC_POWER_OFF; - host->flags = AUTO_CMD12; host->next_data.cookie = 1; platform_set_drvdata(pdev, host); @@ -1908,7 +1899,7 @@ static int __devinit omap_hsmmc_probe(struct platform_device *pdev) if (IS_ERR(host->dbclk)) { dev_warn(mmc_dev(host->mmc), "Failed to get debounce clk\n"); host->dbclk = NULL; - } else if (clk_enable(host->dbclk) != 0) { + } else if (clk_prepare_enable(host->dbclk) != 0) { dev_warn(mmc_dev(host->mmc), "Failed to enable debounce clk\n"); clk_put(host->dbclk); host->dbclk = NULL; @@ -1940,6 +1931,7 @@ static int __devinit omap_hsmmc_probe(struct platform_device *pdev) res = platform_get_resource_byname(pdev, IORESOURCE_DMA, "tx"); if (!res) { dev_err(mmc_dev(host->mmc), "cannot get DMA TX channel\n"); + ret = -ENXIO; goto err_irq; } host->dma_line_tx = res->start; @@ -1947,6 +1939,7 @@ static int __devinit omap_hsmmc_probe(struct platform_device *pdev) res = platform_get_resource_byname(pdev, IORESOURCE_DMA, "rx"); if (!res) { dev_err(mmc_dev(host->mmc), "cannot get DMA RX channel\n"); + ret = -ENXIO; goto err_irq; } host->dma_line_rx = res->start; @@ -2032,7 +2025,7 @@ err_irq: pm_runtime_disable(host->dev); clk_put(host->fclk); if (host->dbclk) { - clk_disable(host->dbclk); + clk_disable_unprepare(host->dbclk); clk_put(host->dbclk); } err1: @@ -2067,7 +2060,7 @@ static int __devexit omap_hsmmc_remove(struct platform_device *pdev) pm_runtime_disable(host->dev); clk_put(host->fclk); if (host->dbclk) { - clk_disable(host->dbclk); + clk_disable_unprepare(host->dbclk); clk_put(host->dbclk); } @@ -2125,7 +2118,7 @@ static int omap_hsmmc_suspend(struct device *dev) } if (host->dbclk) - clk_disable(host->dbclk); + clk_disable_unprepare(host->dbclk); err: pm_runtime_put_sync(host->dev); return ret; @@ -2146,7 +2139,7 @@ static int omap_hsmmc_resume(struct device *dev) pm_runtime_get_sync(host->dev); if (host->dbclk) - clk_enable(host->dbclk); + clk_prepare_enable(host->dbclk); if (!(host->mmc->pm_flags & MMC_PM_KEEP_POWER)) omap_hsmmc_conf_bus_power(host); |