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authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>2015-01-13 04:59:33 +0000
committerUlf Hansson <ulf.hansson@linaro.org>2015-01-20 10:23:39 +0100
commit95a7dc364514b00a42e78ae98376d0b9f4429ac0 (patch)
tree642d25e9af5ec2ecc8aeda26ed61509116ae81d2 /drivers/mmc
parent010f4aa758f437647799b1fd677a5e2cf31714e9 (diff)
downloadkernel-95a7dc364514b00a42e78ae98376d0b9f4429ac0.tar.gz
mmc: sh_mobile_sdhi: tidyup mmc_data->bus_shift for latest SoC
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> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/host/sh_mobile_sdhi.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/mmc/host/sh_mobile_sdhi.c b/drivers/mmc/host/sh_mobile_sdhi.c
index 48a3be804cc0..26eeeb690061 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) {