@@ -14,8 +14,8 @@
#include <linux/kernel.h>
#include <linux/mfd/syscon.h>
#include <linux/module.h>
-#include <linux/of_address.h>
#include <linux/of_device.h>
+#include <linux/of_reserved_mem.h>
#include <linux/platform_device.h>
#include <linux/pm_domain.h>
#include <linux/pm_runtime.h>
@@ -637,28 +637,26 @@ static int adsp_init_mmio(struct qcom_adsp *adsp,
static int adsp_alloc_memory_region(struct qcom_adsp *adsp)
{
+ struct reserved_mem *rmem = NULL;
struct device_node *node;
- struct resource r;
- int ret;
node = of_parse_phandle(adsp->dev->of_node, "memory-region", 0);
- if (!node) {
- dev_err(adsp->dev, "no memory-region specified\n");
+ if (node)
+ rmem = of_reserved_mem_lookup(node);
+ of_node_put(node);
+
+ if (!rmem || !rmem->size) {
+ dev_err(adsp->dev, "unable to resolve memory-region\n");
return -EINVAL;
}
- ret = of_address_to_resource(node, 0, &r);
- of_node_put(node);
- if (ret)
- return ret;
-
- adsp->mem_phys = adsp->mem_reloc = r.start;
- adsp->mem_size = resource_size(&r);
+ adsp->mem_phys = adsp->mem_reloc = rmem->base;
+ adsp->mem_size = rmem->size;
adsp->mem_region = devm_ioremap_wc(adsp->dev,
adsp->mem_phys, adsp->mem_size);
if (!adsp->mem_region) {
dev_err(adsp->dev, "unable to map memory region: %pa+%zx\n",
- &r.start, adsp->mem_size);
+ &rmem->base, adsp->mem_size);
return -EBUSY;
}
@@ -15,7 +15,6 @@
#include <linux/kernel.h>
#include <linux/mfd/syscon.h>
#include <linux/module.h>
-#include <linux/of_address.h>
#include <linux/of_device.h>
#include <linux/of_reserved_mem.h>
#include <linux/platform_device.h>
@@ -1875,8 +1874,6 @@ static int q6v5_alloc_memory_region(struct q6v5 *qproc)
struct device_node *child;
struct reserved_mem *rmem;
struct device_node *node;
- struct resource r;
- int ret;
/*
* In the absence of mba/mpss sub-child, extract the mba and mpss
@@ -1891,15 +1888,20 @@ static int q6v5_alloc_memory_region(struct q6v5 *qproc)
of_node_put(child);
}
- ret = of_address_to_resource(node, 0, &r);
+ if (!node) {
+ dev_err(qproc->dev, "no mba memory-region specified\n");
+ return -EINVAL;
+ }
+
+ rmem = of_reserved_mem_lookup(node);
of_node_put(node);
- if (ret) {
+ if (!rmem || !rmem->size) {
dev_err(qproc->dev, "unable to resolve mba region\n");
- return ret;
+ return -EINVAL;
}
- qproc->mba_phys = r.start;
- qproc->mba_size = resource_size(&r);
+ qproc->mba_phys = rmem->base;
+ qproc->mba_size = rmem->size;
if (!child) {
node = of_parse_phandle(qproc->dev->of_node,
@@ -1910,15 +1912,20 @@ static int q6v5_alloc_memory_region(struct q6v5 *qproc)
of_node_put(child);
}
- ret = of_address_to_resource(node, 0, &r);
+ if (!node) {
+ dev_err(qproc->dev, "no mpss memory-region specified\n");
+ return -EINVAL;
+ }
+
+ rmem = of_reserved_mem_lookup(node);
of_node_put(node);
- if (ret) {
+ if (!rmem || !rmem->size) {
dev_err(qproc->dev, "unable to resolve mpss region\n");
- return ret;
+ return -EINVAL;
}
- qproc->mpss_phys = qproc->mpss_reloc = r.start;
- qproc->mpss_size = resource_size(&r);
+ qproc->mpss_phys = qproc->mpss_reloc = rmem->base;
+ qproc->mpss_size = rmem->size;
if (!child) {
node = of_parse_phandle(qproc->dev->of_node, "memory-region", 2);
@@ -13,8 +13,8 @@
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/module.h>
-#include <linux/of_address.h>
#include <linux/of_device.h>
+#include <linux/of_reserved_mem.h>
#include <linux/platform_device.h>
#include <linux/pm_domain.h>
#include <linux/pm_runtime.h>
@@ -533,9 +533,8 @@ static void adsp_pds_detach(struct qcom_adsp *adsp, struct device **pds,
static int adsp_alloc_memory_region(struct qcom_adsp *adsp)
{
+ struct reserved_mem *rmem;
struct device_node *node;
- struct resource r;
- int ret;
node = of_parse_phandle(adsp->dev->of_node, "memory-region", 0);
if (!node) {
@@ -543,17 +542,19 @@ static int adsp_alloc_memory_region(struct qcom_adsp *adsp)
return -EINVAL;
}
- ret = of_address_to_resource(node, 0, &r);
+ rmem = of_reserved_mem_lookup(node);
of_node_put(node);
- if (ret)
- return ret;
+ if (!rmem || !rmem->size) {
+ dev_err(adsp->dev, "unable to resolve memory-region\n");
+ return -EINVAL;
+ }
- adsp->mem_phys = adsp->mem_reloc = r.start;
- adsp->mem_size = resource_size(&r);
+ adsp->mem_phys = adsp->mem_reloc = rmem->base;
+ adsp->mem_size = rmem->size;
adsp->mem_region = devm_ioremap_wc(adsp->dev, adsp->mem_phys, adsp->mem_size);
if (!adsp->mem_region) {
dev_err(adsp->dev, "unable to map memory region: %pa+%zx\n",
- &r.start, adsp->mem_size);
+ &rmem->base, adsp->mem_size);
return -EBUSY;
}
@@ -566,16 +567,19 @@ static int adsp_alloc_memory_region(struct qcom_adsp *adsp)
return -EINVAL;
}
- ret = of_address_to_resource(node, 0, &r);
- if (ret)
- return ret;
+ rmem = of_reserved_mem_lookup(node);
+ of_node_put(node);
+ if (!rmem || !rmem->size) {
+ dev_err(adsp->dev, "unable to resolve dtb memory-region\n");
+ return -EINVAL;
+ }
- adsp->dtb_mem_phys = adsp->dtb_mem_reloc = r.start;
- adsp->dtb_mem_size = resource_size(&r);
+ adsp->dtb_mem_phys = adsp->dtb_mem_reloc = rmem->base;
+ adsp->dtb_mem_size = rmem->size;
adsp->dtb_mem_region = devm_ioremap_wc(adsp->dev, adsp->dtb_mem_phys, adsp->dtb_mem_size);
if (!adsp->dtb_mem_region) {
dev_err(adsp->dev, "unable to map dtb memory region: %pa+%zx\n",
- &r.start, adsp->dtb_mem_size);
+ &rmem->base, adsp->dtb_mem_size);
return -EBUSY;
}
@@ -584,29 +588,28 @@ static int adsp_alloc_memory_region(struct qcom_adsp *adsp)
static int adsp_assign_memory_region(struct qcom_adsp *adsp)
{
+ struct reserved_mem *rmem = NULL;
struct qcom_scm_vmperm perm;
struct device_node *node;
- struct resource r;
int ret;
if (!adsp->region_assign_idx)
return 0;
node = of_parse_phandle(adsp->dev->of_node, "memory-region", adsp->region_assign_idx);
- if (!node) {
- dev_err(adsp->dev, "missing shareable memory-region\n");
+ if (node)
+ rmem = of_reserved_mem_lookup(node);
+ of_node_put(node);
+ if (!rmem || !rmem->size) {
+ dev_err(adsp->dev, "unable to resolve shareable memory-region\n");
return -EINVAL;
}
- ret = of_address_to_resource(node, 0, &r);
- if (ret)
- return ret;
-
perm.vmid = QCOM_SCM_VMID_MSS_MSA;
perm.perm = QCOM_SCM_PERM_RW;
- adsp->region_assign_phys = r.start;
- adsp->region_assign_size = resource_size(&r);
+ adsp->region_assign_phys = rmem->base;
+ adsp->region_assign_size = rmem->size;
adsp->region_assign_perms = BIT(QCOM_SCM_VMID_HLOS);
ret = qcom_scm_assign_mem(adsp->region_assign_phys,
@@ -14,8 +14,8 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/io.h>
-#include <linux/of_address.h>
#include <linux/of_device.h>
+#include <linux/of_reserved_mem.h>
#include <linux/platform_device.h>
#include <linux/pm_domain.h>
#include <linux/pm_runtime.h>
@@ -506,27 +506,25 @@ static int wcnss_request_irq(struct qcom_wcnss *wcnss,
static int wcnss_alloc_memory_region(struct qcom_wcnss *wcnss)
{
+ struct reserved_mem *rmem = NULL;
struct device_node *node;
- struct resource r;
- int ret;
node = of_parse_phandle(wcnss->dev->of_node, "memory-region", 0);
- if (!node) {
- dev_err(wcnss->dev, "no memory-region specified\n");
+ if (node)
+ rmem = of_reserved_mem_lookup(node);
+ of_node_put(node);
+
+ if (!rmem || !rmem->size) {
+ dev_err(wcnss->dev, "unable to resolve memory-region\n");
return -EINVAL;
}
- ret = of_address_to_resource(node, 0, &r);
- of_node_put(node);
- if (ret)
- return ret;
-
- wcnss->mem_phys = wcnss->mem_reloc = r.start;
- wcnss->mem_size = resource_size(&r);
+ wcnss->mem_phys = wcnss->mem_reloc = rmem->base;
+ wcnss->mem_size = rmem->size;
wcnss->mem_region = devm_ioremap_wc(wcnss->dev, wcnss->mem_phys, wcnss->mem_size);
if (!wcnss->mem_region) {
dev_err(wcnss->dev, "unable to map memory region: %pa+%zx\n",
- &r.start, wcnss->mem_size);
+ &rmem->base, wcnss->mem_size);
return -EBUSY;
}