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[3/7] mmc: sh_mobile_sdhi: tidyup mmc_data->bus_shift for latest SoC

Message ID 87a92pve7i.wl%kuninori.morimoto.gx@renesas.com (mailing list archive)
State New, archived
Headers show

Commit Message

Kuninori Morimoto Dec. 15, 2014, 2:28 a.m. UTC 
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>

Latest SDHI on Renesas has expand register mapping.
update mmc_data->bus_shift for it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
---
 drivers/mmc/host/sh_mobile_sdhi.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
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Patch

diff --git a/drivers/mmc/host/sh_mobile_sdhi.c b/drivers/mmc/host/sh_mobile_sdhi.c
index 00c8ebd..1c1e919 100644
--- a/drivers/mmc/host/sh_mobile_sdhi.c
+++ b/drivers/mmc/host/sh_mobile_sdhi.c
@@ -272,7 +272,10 @@  static int sh_mobile_sdhi_probe(struct platform_device *pdev)
 	}
 
 	/* SD control register space size is 0x100, 0x200 for bus_shift=1 */
-	mmc_data->bus_shift = resource_size(res) >> 9;
+	if (resource_size(res) > 0x100)
+		mmc_data->bus_shift = 1;
+	else
+		mmc_data->bus_shift = 0;
 
 	ret = tmio_mmc_host_probe(&host, pdev, mmc_data);
 	if (ret < 0)