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[13/17] mmc: sh_mobile_sdhi: tidyup mmc_data->bus_shift for latest SoC

Message ID 87bnm3uvfl.wl%kuninori.morimoto.gx@renesas.com (mailing list archive)
State New, archived
Headers show

Commit Message

Kuninori Morimoto Jan. 13, 2015, 4:59 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 48a3be8..26eeeb6 100644
--- a/drivers/mmc/host/sh_mobile_sdhi.c
+++ b/drivers/mmc/host/sh_mobile_sdhi.c
@@ -202,7 +202,10 @@  static int sh_mobile_sdhi_probe(struct platform_device *pdev)
 	host->clk_disable	= sh_mobile_sdhi_clk_disable;
 	host->multi_io_quirk	= sh_mobile_sdhi_multi_io_quirk;
 	/* SD control register space size is 0x100, 0x200 for bus_shift=1 */
-	host->bus_shift		= resource_size(res) >> 9;
+	if (resource_size(res) > 0x100)
+		host->bus_shift = 1;
+	else
+		host->bus_shift = 0;
 
 	mmc_data->capabilities = MMC_CAP_MMC_HIGHSPEED;
 	if (p) {