Commit ff026099 authored by Wolfram Sang's avatar Wolfram Sang Committed by Ulf Hansson

mmc: host: sh_mobile_sdhi: don't populate unneeded functions

Populating card_busy caused a side-effect on a chip variant we don't
have documentation for (r8a73a4). So, enable it and voltage switching
only on devices known to support those features.
Signed-off-by: default avatarWolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
Fixes: 452e5eef ("mmc: tmio: Add UHS-I mode support")
parent 6a4679f3
......@@ -376,8 +376,14 @@ static int sh_mobile_sdhi_probe(struct platform_device *pdev)
host->clk_update = sh_mobile_sdhi_clk_update;
host->clk_disable = sh_mobile_sdhi_clk_disable;
host->multi_io_quirk = sh_mobile_sdhi_multi_io_quirk;
host->card_busy = sh_mobile_sdhi_card_busy;
host->start_signal_voltage_switch = sh_mobile_sdhi_start_signal_voltage_switch;
/* SDR speeds are only available on Gen2+ */
if (mmc_data->flags & TMIO_MMC_MIN_RCAR2) {
/* card_busy caused issues on r8a73a4 (pre-Gen2) CD-less SDHI */
host->card_busy = sh_mobile_sdhi_card_busy;
host->start_signal_voltage_switch =
sh_mobile_sdhi_start_signal_voltage_switch;
}
/* Orginally registers were 16 bit apart, could be 32 or 64 nowadays */
if (!host->bus_shift && resource_size(res) > 0x100) /* old way to determine the shift */
......
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