media: imx8mq-mipi-csi2: Fix error code in imx8mq_mipi_csi_parse_dt()

This was returning IS_ERR() where PTR_ERR() was intended.

Fixes: 642b70d ("media: imx8mq-mipi-csi2: Add support for i.MX8QXP")
Cc: stable@vger.kernel.org
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Reviewed-by: Rui Miguel Silva <rui.silva@linaro.org>
Link: https://lore.kernel.org/r/9b6c7925-c9c4-44bd-acd5-1ef0e698eb87@sabinyo.mountain
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>

Author: Dan Carpenter

drivers/media/platform/nxp/imx8mq-mipi-csi2.c

@@ -966,7 +966,7 @@ static int imx8mq_mipi_csi_parse_dt(struct csi_state *state)
 
 		base = devm_platform_ioremap_resource(to_platform_device(dev), 1);
 		if (IS_ERR(base))
-			return dev_err_probe(dev, IS_ERR(base), "Missing CSR register\n");
+			return dev_err_probe(dev, PTR_ERR(base), "Missing CSR register\n");
 
 		state->phy_gpr = devm_regmap_init_mmio(dev, base, &regmap_config);
 		if (IS_ERR(state->phy_gpr))