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[v3,3/7] ia64/PCI: Use common struct resource_entry to replace struct iospace_resource

Message ID 1431593803-5213-4-git-send-email-jiang.liu@linux.intel.com (mailing list archive)
State New, archived
Delegated to: Bjorn Helgaas
Headers show

Commit Message

Jiang Liu May 14, 2015, 8:56 a.m. UTC 
Use common struct resource_entry to replace private
struct iospace_resource.

Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
---
 arch/ia64/include/asm/pci.h |    5 -----
 arch/ia64/pci/pci.c         |   17 ++++++++---------
 2 files changed, 8 insertions(+), 14 deletions(-)

Comments

Hanjun Guo May 22, 2015, 1:46 p.m. UTC | #1 
On 2015?05?14? 16:56, Jiang Liu wrote:
> Use common struct resource_entry to replace private
> struct iospace_resource.
>
> Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
> ---
>   arch/ia64/include/asm/pci.h |    5 -----
>   arch/ia64/pci/pci.c         |   17 ++++++++---------
>   2 files changed, 8 insertions(+), 14 deletions(-)
>
> diff --git a/arch/ia64/include/asm/pci.h b/arch/ia64/include/asm/pci.h
> index 52af5ed9f60b..5c10e0ec48d4 100644
> --- a/arch/ia64/include/asm/pci.h
> +++ b/arch/ia64/include/asm/pci.h
> @@ -83,11 +83,6 @@ extern int pci_mmap_legacy_page_range(struct pci_bus *bus,
>   #define pci_legacy_read platform_pci_legacy_read
>   #define pci_legacy_write platform_pci_legacy_write
>
> -struct iospace_resource {
> -	struct list_head list;
> -	struct resource res;
> -};
> -
>   struct pci_controller {
>   	struct acpi_device *companion;
>   	void *iommu;
> diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
> index 23689d4c37ae..4af1b52c7a44 100644
> --- a/arch/ia64/pci/pci.c
> +++ b/arch/ia64/pci/pci.c
> @@ -154,14 +154,14 @@ new_space (u64 phys_base, int sparse)
>   static int add_io_space(struct device *dev, struct pci_root_info *info,
>   			struct resource_entry *entry)
>   {
> -	struct iospace_resource *iospace;
> +	struct resource_entry *iospace;
>   	struct resource *resource, *res = entry->res;
>   	char *name;
>   	unsigned long base, min, max, base_port;
>   	unsigned int sparse = 0, space_nr, len;
>
>   	len = strlen(info->name) + 32;
> -	iospace = kzalloc(sizeof(*iospace) + len, GFP_KERNEL);
> +	iospace = resource_list_create_entry(NULL, len);
>   	if (!iospace) {
>   		dev_err(dev, "PCI: No memory for %s I/O port space\n",
>   			info->name);
> @@ -190,7 +190,7 @@ static int add_io_space(struct device *dev, struct pci_root_info *info,
>   	if (space_nr == 0)
>   		sparse = 1;
>
> -	resource = &iospace->res;
> +	resource = iospace->res;
>   	resource->name  = name;
>   	resource->flags = IORESOURCE_MEM;
>   	resource->start = base + (sparse ? IO_SPACE_SPARSE_ENCODING(min) : min);
> @@ -205,12 +205,12 @@ static int add_io_space(struct device *dev, struct pci_root_info *info,
>   	entry->offset = base_port;
>   	res->start = min + base_port;
>   	res->end = max + base_port;
> -	list_add_tail(&iospace->list, &info->io_resources);
> +	resource_list_add_tail(iospace, &info->io_resources);
>
>   	return 0;
>
>   free_resource:
> -	kfree(iospace);
> +	resource_list_free_entry(iospace);
>   	return -ENOSPC;
>   }
>
> @@ -369,12 +369,11 @@ static void add_resources(struct pci_root_info *info, struct device *dev)
>   static void __release_pci_root_info(struct pci_root_info *info)
>   {
>   	struct resource *res;
> -	struct iospace_resource *iospace, *tmp;
>   	struct resource_entry *entry, *tentry;
>
> -	list_for_each_entry_safe(iospace, tmp, &info->io_resources, list) {
> -		release_resource(&iospace->res);
> -		kfree(iospace);
> +	resource_list_for_each_entry_safe(entry, tentry, &info->io_resources) {
> +		release_resource(entry->res);
> +		resource_list_destroy_entry(entry);
>   	}
>
>   	resource_list_for_each_entry_safe(entry, tentry, &info->resources) {


Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org>

Thanks
Hanjun
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diff mbox

Patch

diff --git a/arch/ia64/include/asm/pci.h b/arch/ia64/include/asm/pci.h
index 52af5ed9f60b..5c10e0ec48d4 100644
--- a/arch/ia64/include/asm/pci.h
+++ b/arch/ia64/include/asm/pci.h
@@ -83,11 +83,6 @@  extern int pci_mmap_legacy_page_range(struct pci_bus *bus,
 #define pci_legacy_read platform_pci_legacy_read
 #define pci_legacy_write platform_pci_legacy_write
 
-struct iospace_resource {
-	struct list_head list;
-	struct resource res;
-};
-
 struct pci_controller {
 	struct acpi_device *companion;
 	void *iommu;
diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
index 23689d4c37ae..4af1b52c7a44 100644
--- a/arch/ia64/pci/pci.c
+++ b/arch/ia64/pci/pci.c
@@ -154,14 +154,14 @@  new_space (u64 phys_base, int sparse)
 static int add_io_space(struct device *dev, struct pci_root_info *info,
 			struct resource_entry *entry)
 {
-	struct iospace_resource *iospace;
+	struct resource_entry *iospace;
 	struct resource *resource, *res = entry->res;
 	char *name;
 	unsigned long base, min, max, base_port;
 	unsigned int sparse = 0, space_nr, len;
 
 	len = strlen(info->name) + 32;
-	iospace = kzalloc(sizeof(*iospace) + len, GFP_KERNEL);
+	iospace = resource_list_create_entry(NULL, len);
 	if (!iospace) {
 		dev_err(dev, "PCI: No memory for %s I/O port space\n",
 			info->name);
@@ -190,7 +190,7 @@  static int add_io_space(struct device *dev, struct pci_root_info *info,
 	if (space_nr == 0)
 		sparse = 1;
 
-	resource = &iospace->res;
+	resource = iospace->res;
 	resource->name  = name;
 	resource->flags = IORESOURCE_MEM;
 	resource->start = base + (sparse ? IO_SPACE_SPARSE_ENCODING(min) : min);
@@ -205,12 +205,12 @@  static int add_io_space(struct device *dev, struct pci_root_info *info,
 	entry->offset = base_port;
 	res->start = min + base_port;
 	res->end = max + base_port;
-	list_add_tail(&iospace->list, &info->io_resources);
+	resource_list_add_tail(iospace, &info->io_resources);
 
 	return 0;
 
 free_resource:
-	kfree(iospace);
+	resource_list_free_entry(iospace);
 	return -ENOSPC;
 }
 
@@ -369,12 +369,11 @@  static void add_resources(struct pci_root_info *info, struct device *dev)
 static void __release_pci_root_info(struct pci_root_info *info)
 {
 	struct resource *res;
-	struct iospace_resource *iospace, *tmp;
 	struct resource_entry *entry, *tentry;
 
-	list_for_each_entry_safe(iospace, tmp, &info->io_resources, list) {
-		release_resource(&iospace->res);
-		kfree(iospace);
+	resource_list_for_each_entry_safe(entry, tentry, &info->io_resources) {
+		release_resource(entry->res);
+		resource_list_destroy_entry(entry);
 	}
 
 	resource_list_for_each_entry_safe(entry, tentry, &info->resources) {