From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lars Persson Subject: [PATCH v3 2/3] mmc: usdhi6rol0: add support for UHS modes Date: Wed, 20 Apr 2016 16:53:12 +0200 Message-ID: <92b72ede5f8ddf2b2f74cdb7422bc8ef5458b23c.1461163234.git.larper@axis.com> References: Return-path: In-Reply-To: In-Reply-To: References: Sender: linux-mmc-owner@vger.kernel.org To: linux-mmc@vger.kernel.org, devicetree@vger.kernel.org Cc: g.liakhovetski@gmx.de, ulf.hansson@linaro.org, robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, Lars Persson List-Id: devicetree@vger.kernel.org Add a start_signal_voltage_switch() operation to support enabling of UHS modes. Signed-off-by: Lars Persson --- drivers/mmc/host/usdhi6rol0.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/mmc/host/usdhi6rol0.c b/drivers/mmc/host/usdhi6rol0.c index 807c06e..2585ea4 100644 --- a/drivers/mmc/host/usdhi6rol0.c +++ b/drivers/mmc/host/usdhi6rol0.c @@ -1147,12 +1147,25 @@ static void usdhi6_enable_sdio_irq(struct mmc_host *mmc, int enable) } } +static int usdhi6_sig_volt_switch(struct mmc_host *mmc, struct mmc_ios *ios) +{ + int ret; + + ret = mmc_regulator_set_vqmmc(mmc, ios); + + if (ret < 0) + dev_warn(mmc_dev(mmc), "Voltage switch failed: %d\n", ret); + + return ret; +} + static struct mmc_host_ops usdhi6_ops = { .request = usdhi6_request, .set_ios = usdhi6_set_ios, .get_cd = usdhi6_get_cd, .get_ro = usdhi6_get_ro, .enable_sdio_irq = usdhi6_enable_sdio_irq, + .start_signal_voltage_switch = usdhi6_sig_volt_switch, }; /* State machine handlers */ -- 2.1.4