From patchwork Fri May 22 16:19:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marek Vasut X-Patchwork-Id: 246299 List-Id: U-Boot discussion From: marex at denx.de (Marek Vasut) Date: Fri, 22 May 2020 18:19:08 +0200 Subject: [PATCH] mmc: fsl_esdhc: Fix SDR104 and HS200 support Message-ID: <20200522161908.42698-1-marex@denx.de> The 3V3/1V8 switching could never have worked on any of the iMXes ever since 51313b49f2 ("mmc: fsl_esdhc: support SDR104 and HS200"), because that commit uses priv->vqmmc_dev when switching voltages on mode switch, while local vqmmc_dev in probe to store the regulator pointer. Those are two different variables with the same name. So the priv->vqmmc_dev was always NULL and thus voltage switch between modes never really suceeded. Fix this by assigning priv->vqmmc_dev with value of the vqmmc_dev in probe. Fixes: 51313b49f2 ("mmc: fsl_esdhc: support SDR104 and HS200") Signed-off-by: Marek Vasut Cc: Fabio Estevam Cc: Jaehoon Chung Cc: Peng Fan Cc: Stefano Babic Reviewed-by: Jaehoon Chung --- drivers/mmc/fsl_esdhc_imx.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mmc/fsl_esdhc_imx.c b/drivers/mmc/fsl_esdhc_imx.c index 588d6a9d76..f3101a061a 100644 --- a/drivers/mmc/fsl_esdhc_imx.c +++ b/drivers/mmc/fsl_esdhc_imx.c @@ -1455,6 +1455,7 @@ static int fsl_esdhc_probe(struct udevice *dev) if (ret) { dev_dbg(dev, "no vqmmc-supply\n"); } else { + priv->vqmmc_dev = vqmmc_dev; ret = regulator_set_enable(vqmmc_dev, true); if (ret) { dev_err(dev, "fail to enable vqmmc-supply\n");