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misc: fastrpc: Add reserved mem support

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

Co-developed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20221125071405.148786-4-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Abel Vesa 2022-11-25 07:13:58 +00:00 committed by Greg Kroah-Hartman
parent 1959ab9edc
commit 1ce91d45ba
1 changed files with 4 additions and 0 deletions
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4
drivers/misc/fastrpc.c
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@ -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)