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path: root/drivers/remoteproc/stm32_rproc.c
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Diffstat (limited to 'drivers/remoteproc/stm32_rproc.c')
-rw-r--r--drivers/remoteproc/stm32_rproc.c56
1 files changed, 27 insertions, 29 deletions
diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c
index 8c7f7950b80e..c28679d3b43c 100644
--- a/drivers/remoteproc/stm32_rproc.c
+++ b/drivers/remoteproc/stm32_rproc.c
@@ -213,60 +213,52 @@ static int stm32_rproc_prepare(struct rproc *rproc)
{
struct device *dev = rproc->dev.parent;
struct device_node *np = dev->of_node;
- struct of_phandle_iterator it;
struct rproc_mem_entry *mem;
- struct reserved_mem *rmem;
u64 da;
- int index = 0;
+ int index = 0, mr = 0;
/* Register associated reserved memory regions */
- of_phandle_iterator_init(&it, np, "memory-region", NULL, 0);
- while (of_phandle_iterator_next(&it) == 0) {
- rmem = of_reserved_mem_lookup(it.node);
- if (!rmem) {
- of_node_put(it.node);
- dev_err(dev, "unable to acquire memory-region\n");
- return -EINVAL;
- }
+ while (1) {
+ struct resource res;
+ int ret;
- if (stm32_rproc_pa_to_da(rproc, rmem->base, &da) < 0) {
- of_node_put(it.node);
- dev_err(dev, "memory region not valid %pa\n",
- &rmem->base);
+ ret = of_reserved_mem_region_to_resource(np, mr++, &res);
+ if (ret)
+ return 0;
+
+ if (stm32_rproc_pa_to_da(rproc, res.start, &da) < 0) {
+ dev_err(dev, "memory region not valid %pR\n", &res);
return -EINVAL;
}
/* No need to map vdev buffer */
- if (strcmp(it.node->name, "vdev0buffer")) {
+ if (!strstarts(res.name, "vdev0buffer")) {
/* Register memory region */
mem = rproc_mem_entry_init(dev, NULL,
- (dma_addr_t)rmem->base,
- rmem->size, da,
+ (dma_addr_t)res.start,
+ resource_size(&res), da,
stm32_rproc_mem_alloc,
stm32_rproc_mem_release,
- it.node->name);
-
+ "%.*s", strchrnul(res.name, '@') - res.name,
+ res.name);
if (mem)
rproc_coredump_add_segment(rproc, da,
- rmem->size);
+ resource_size(&res));
} else {
/* Register reserved memory for vdev buffer alloc */
mem = rproc_of_resm_mem_entry_init(dev, index,
- rmem->size,
- rmem->base,
- it.node->name);
+ resource_size(&res),
+ res.start,
+ "vdev0buffer");
}
if (!mem) {
- of_node_put(it.node);
return -ENOMEM;
}
rproc_add_carveout(rproc, mem);
index++;
}
-
- return 0;
}
static int stm32_rproc_parse_fw(struct rproc *rproc, const struct firmware *fw)
@@ -835,6 +827,7 @@ static int stm32_rproc_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev;
struct stm32_rproc *ddata;
struct device_node *np = dev->of_node;
+ const char *fw_name;
struct rproc *rproc;
unsigned int state;
int ret;
@@ -843,7 +836,12 @@ static int stm32_rproc_probe(struct platform_device *pdev)
if (ret)
return ret;
- rproc = devm_rproc_alloc(dev, np->name, &st_rproc_ops, NULL, sizeof(*ddata));
+ /* Look for an optional firmware name */
+ ret = rproc_of_parse_firmware(dev, 0, &fw_name);
+ if (ret < 0 && ret != -EINVAL)
+ return ret;
+
+ rproc = devm_rproc_alloc(dev, np->name, &st_rproc_ops, fw_name, sizeof(*ddata));
if (!rproc)
return -ENOMEM;
@@ -946,7 +944,7 @@ static DEFINE_SIMPLE_DEV_PM_OPS(stm32_rproc_pm_ops,
static struct platform_driver stm32_rproc_driver = {
.probe = stm32_rproc_probe,
- .remove_new = stm32_rproc_remove,
+ .remove = stm32_rproc_remove,
.driver = {
.name = "stm32-rproc",
.pm = pm_ptr(&stm32_rproc_pm_ops),