bus/fsl-mc: Extend ICID size from 16bit to 32bit

In virtual machines the device-id range is defined
between 0x10000-0x20000. The reason for using such a
large range is to avoid overlapping with the PCI range.
Reviewed-by: NLaurentiu Tudor <laurentiu.tudor@nxp.com>
Acked-by: NLaurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: NBharat Bhushan <Bharat.Bhushan@nxp.com>
Signed-off-by: NLaurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: NDiana Craciun <diana.craciun@oss.nxp.com>
Link: https://lore.kernel.org/r/20200929085441.17448-13-diana.craciun@oss.nxp.comSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/bus/fsl-mc/dprc.c

@@ -360,7 +360,7 @@ int dprc_get_attributes(struct fsl_mc_io *mc_io,
 	/* retrieve response parameters */
 	rsp_params = (struct dprc_rsp_get_attributes *)cmd.params;
 	attr->container_id = le32_to_cpu(rsp_params->container_id);
-	attr->icid = le16_to_cpu(rsp_params->icid);
+	attr->icid = le32_to_cpu(rsp_params->icid);
 	attr->options = le32_to_cpu(rsp_params->options);
 	attr->portal_id = le32_to_cpu(rsp_params->portal_id);
 

drivers/bus/fsl-mc/fsl-mc-bus.c

@@ -503,7 +503,7 @@ static int get_dprc_attr(struct fsl_mc_io *mc_io,
 }
 
 static int get_dprc_icid(struct fsl_mc_io *mc_io,
-			 int container_id, u16 *icid)
+			 int container_id, u32 *icid)
 {
 	struct dprc_attributes attr;
 	int error;

drivers/bus/fsl-mc/fsl-mc-private.h

@@ -159,8 +159,7 @@ struct dprc_cmd_clear_irq_status {
 struct dprc_rsp_get_attributes {
 	/* response word 0 */
 	__le32 container_id;
-	__le16 icid;
-	__le16 pad;
+	__le32 icid;
 	/* response word 1 */
 	__le32 options;
 	__le32 portal_id;
@@ -337,7 +336,7 @@ int dprc_clear_irq_status(struct fsl_mc_io *mc_io,
  */
 struct dprc_attributes {
 	int container_id;
-	u16 icid;
+	u32 icid;
 	int portal_id;
 	u64 options;
 };

include/linux/fsl/mc.h

@@ -195,7 +195,7 @@ struct fsl_mc_device {
 	struct device dev;
 	u64 dma_mask;
 	u16 flags;
-	u16 icid;
+	u32 icid;
 	u16 mc_handle;
 	struct fsl_mc_io *mc_io;
 	struct fsl_mc_obj_desc obj_desc;