Commit 1ce91d45 authored by Abel Vesa's avatar Abel Vesa Committed by Greg Kroah-Hartman
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misc: fastrpc: Add reserved mem support 



The reserved mem support is needed for CMA heap support, which will be
used by AUDIOPD.

Co-developed-by: default avatarSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: default avatarAbel Vesa <abel.vesa@linaro.org>
Signed-off-by: default avatarSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20221125071405.148786-4-srinivas.kandagatla@linaro.org


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 1959ab9e

drivers/misc/fastrpc.c

+4 −0
Original line number Diff line number Diff line
@@ -19,6 +19,7 @@ 
#include <linux/slab.h>

#include <linux/qcom_scm.h>

#include <uapi/misc/fastrpc.h>

#include <linux/of_reserved_mem.h>



#define ADSP_DOMAIN_ID (0)

#define MDSP_DOMAIN_ID (1)
@@ -2065,6 +2066,9 @@ static int fastrpc_rpmsg_probe(struct rpmsg_device *rpdev) 
		return -EINVAL;

	}



	if (of_reserved_mem_device_init_by_idx(rdev, rdev->of_node, 0))

		dev_info(rdev, "no reserved DMA memory for FASTRPC\n");



	vmcount = of_property_read_variable_u32_array(rdev->of_node,

				"qcom,vmids", &vmids[0], 0, FASTRPC_MAX_VMIDS);

	if (vmcount < 0)