Update Linux to v5.10.109
Sourced from [1]
[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz
Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/drivers/firmware/imx/rm.c b/drivers/firmware/imx/rm.c
new file mode 100644
index 0000000..a12db6f
--- /dev/null
+++ b/drivers/firmware/imx/rm.c
@@ -0,0 +1,45 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2020 NXP
+ *
+ * File containing client-side RPC functions for the RM service. These
+ * function are ported to clients that communicate to the SC.
+ */
+
+#include <linux/firmware/imx/svc/rm.h>
+
+struct imx_sc_msg_rm_rsrc_owned {
+ struct imx_sc_rpc_msg hdr;
+ u16 resource;
+} __packed __aligned(4);
+
+/*
+ * This function check @resource is owned by current partition or not
+ *
+ * @param[in] ipc IPC handle
+ * @param[in] resource resource the control is associated with
+ *
+ * @return Returns 0 for not owned and 1 for owned.
+ */
+bool imx_sc_rm_is_resource_owned(struct imx_sc_ipc *ipc, u16 resource)
+{
+ struct imx_sc_msg_rm_rsrc_owned msg;
+ struct imx_sc_rpc_msg *hdr = &msg.hdr;
+
+ hdr->ver = IMX_SC_RPC_VERSION;
+ hdr->svc = IMX_SC_RPC_SVC_RM;
+ hdr->func = IMX_SC_RM_FUNC_IS_RESOURCE_OWNED;
+ hdr->size = 2;
+
+ msg.resource = resource;
+
+ /*
+ * SCU firmware only returns value 0 or 1
+ * for resource owned check which means not owned or owned.
+ * So it is always successful.
+ */
+ imx_scu_call_rpc(ipc, &msg, true);
+
+ return hdr->func;
+}
+EXPORT_SYMBOL(imx_sc_rm_is_resource_owned);