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mmc: renesas_sdhi: set CBSY flag before probing TMIO host 

The CBSY flag should be proper before calling tmio_mmc_host_probe()
because this function will already use write16 which checks this bit.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Wolfram Sang 2019-03-19 11:34:17 +01:00 committed by Ulf Hansson
parent 2a55c1eac7
commit 91ecbe50b6
1 changed files with 4 additions and 4 deletions
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8
drivers/mmc/host/renesas_sdhi_core.c
View File

@ -779,14 +779,14 @@ int renesas_sdhi_probe(struct platform_device *pdev,
if (ver < SDHI_VER_GEN2_SDR104 && mmc_data->max_blk_count > U16_MAX)
mmc_data->max_blk_count = U16_MAX;
ret = tmio_mmc_host_probe(host);
if (ret < 0)
goto edisclk;
/* One Gen2 SDHI incarnation does NOT have a CBSY bit */
if (ver == SDHI_VER_GEN2_SDR50)
mmc_data->flags &= ~TMIO_MMC_HAVE_CBSY;
ret = tmio_mmc_host_probe(host);
if (ret < 0)
goto edisclk;
/* Enable tuning iff we have an SCC and a supported mode */
if (of_data && of_data->scc_offset &&
(host->mmc->caps & MMC_CAP_UHS_SDR104 ||