Commit c33c585f authored Oct 29, 2019 by Lucas Stach Committed by Greg Kroah-Hartman Nov 05, 2019

nvmem: imx-ocotp: reset error status on probe

If software running before the OCOTP driver is loaded left the
controller with the error status pending, the driver will never
be able to complete the read timing setup. Reset the error status
on probe to make sure the controller is in usable state.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20191029114240.14905-6-srinivas.kandagatla@linaro.org

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 885ce72a

drivers/nvmem/imx-ocotp.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -521,6 +521,10 @@ static int imx_ocotp_probe(struct platform_device *pdev)
		if (IS_ERR(priv->clk))
		return PTR_ERR(priv->clk);

		clk_prepare_enable(priv->clk);
		imx_ocotp_clr_err_if_set(priv->base);
		clk_disable_unprepare(priv->clk);

		priv->params = of_device_get_match_data(&pdev->dev);
		imx_ocotp_nvmem_config.size = 4 * priv->params->nregs;
		imx_ocotp_nvmem_config.dev = dev;