diff options
Diffstat (limited to 'drivers/mmc/host/mxs-mmc.c')
| -rw-r--r-- | drivers/mmc/host/mxs-mmc.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/mmc/host/mxs-mmc.c b/drivers/mmc/host/mxs-mmc.c index b76778f..e1fa3ef 100644 --- a/drivers/mmc/host/mxs-mmc.c +++ b/drivers/mmc/host/mxs-mmc.c @@ -102,12 +102,15 @@ static int mxs_mmc_get_cd(struct mmc_host *mmc) BM_SSP_STATUS_CARD_DETECT) ^ host->cd_inverted; } -static void mxs_mmc_reset(struct mxs_mmc_host *host) +static int mxs_mmc_reset(struct mxs_mmc_host *host) { struct mxs_ssp *ssp = &host->ssp; u32 ctrl0, ctrl1; + int ret; - stmp_reset_block(ssp->base); + ret = stmp_reset_block(ssp->base); + if (ret) + return ret; ctrl0 = BM_SSP_CTRL0_IGNORE_CRC; ctrl1 = BF_SSP(0x3, CTRL1_SSP_MODE) | @@ -132,6 +135,7 @@ static void mxs_mmc_reset(struct mxs_mmc_host *host) writel(ctrl0, ssp->base + HW_SSP_CTRL0); writel(ctrl1, ssp->base + HW_SSP_CTRL1(ssp)); + return 0; } static void mxs_mmc_start_cmd(struct mxs_mmc_host *host, @@ -625,7 +629,11 @@ static int mxs_mmc_probe(struct platform_device *pdev) } clk_prepare_enable(ssp->clk); - mxs_mmc_reset(host); + ret = mxs_mmc_reset(host); + if (ret) { + dev_err(&pdev->dev, "Failed to reset mmc: %d\n", ret); + goto out_clk_disable; + } ssp->dmach = dma_request_slave_channel(&pdev->dev, "rx-tx"); if (!ssp->dmach) { |