leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

remoteproc: qcom_q6v5_mss: Extract mba/mpss from memory-region

Browse Source 
In the absence of mba and mpss sub-child extract the mba/mpss regions
from the memory-region property.

Tested-by: Evan Green <evgreen@chromium.org>
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Link: https://lore.kernel.org/r/20200421143228.8981-5-sibis@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This commit is contained in:
Sibi Sankar 2020-04-21 20:02:25 +05:30 committed by Bjorn Andersson
parent d964b0b1a8
commit 6663ce6fac
1 changed files with 18 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
drivers/remoteproc/qcom_q6v5_mss.c
View File

@ -1568,8 +1568,17 @@ static int q6v5_alloc_memory_region(struct q6v5 *qproc)
struct resource r;
int ret;
/*
* In the absence of mba/mpss sub-child, extract the mba and mpss
* reserved memory regions from device's memory-region property.
*/
child = of_get_child_by_name(qproc->dev->of_node, "mba");
node = of_parse_phandle(child, "memory-region", 0);
if (!child)
node = of_parse_phandle(qproc->dev->of_node,
"memory-region", 0);
else
node = of_parse_phandle(child, "memory-region", 0);
ret = of_address_to_resource(node, 0, &r);
if (ret) {
dev_err(qproc->dev, "unable to resolve mba region\n");
@ -1586,8 +1595,14 @@ static int q6v5_alloc_memory_region(struct q6v5 *qproc)
return -EBUSY;
}
child = of_get_child_by_name(qproc->dev->of_node, "mpss");
node = of_parse_phandle(child, "memory-region", 0);
if (!child) {
node = of_parse_phandle(qproc->dev->of_node,
"memory-region", 1);
} else {
child = of_get_child_by_name(qproc->dev->of_node, "mpss");
node = of_parse_phandle(child, "memory-region", 0);
}
ret = of_address_to_resource(node, 0, &r);
if (ret) {
dev_err(qproc->dev, "unable to resolve mpss region\n");