mmc: renesas_sdhi: set CBSY flag before probing TMIO host (91ecbe50) · Commits · 戴 / test

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>

drivers/mmc/host/renesas_sdhi_core.c

+4 −4

Original line number	Diff line number	Diff line
		@@ -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 \|\|

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