soc: imx: check ls1021a

fsl,ls1021a is a mach under arch/arm/mach-imx/, however it could
not use the soc driver which will break caam on ls1021a platform.

So directly return if it is compatible with fsl,ls1021a.

Fixes: be2eaea444a7c ("soc: imx: move cpu code to drivers/soc/imx")
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Tested-by: Horia Geantă <horia.geanta@nxp.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/drivers/soc/imx/soc-imx.c b/drivers/soc/imx/soc-imx.c
index fec3d672b606aaf397f47c699531c4f1dc78cbaf..01bfea1cb64a86c2ccaa8871263754c1f4b2f4a3 100644 (file)
--- a/drivers/soc/imx/soc-imx.c
+++ b/drivers/soc/imx/soc-imx.c
@@ -33,6 +33,9 @@ static int __init imx_soc_device_init(void)
        u32 val;
        int ret;
 
+       if (of_machine_is_compatible("fsl,ls1021a"))
+               return 0;
+
        soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL);
        if (!soc_dev_attr)
                return -ENOMEM;