diff mbox series

[v2] ACPI: NFIT: add helper to_nfit_mem() to take device to nfit_mem

Message ID 20230712120810.21282-1-ben.dooks@codethink.co.uk (mailing list archive)
State New, archived
Headers show
Series [v2] ACPI: NFIT: add helper to_nfit_mem() to take device to nfit_mem | expand

Commit Message

Ben Dooks July 12, 2023, 12:08 p.m. UTC
Add a quick helper to just do struct device to the struct nfit_mem
field it should be referencing. This reduces the number of code
lines in some of the following code as it removes the intermediate
struct nvdimm.

Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
---
v2:
  - fix typo of follwoing
  - add blank line in to_nfit_mem()
---
 drivers/acpi/nfit/core.c | 28 ++++++++++++++--------------
 1 file changed, 14 insertions(+), 14 deletions(-)

Comments

Alison Schofield July 13, 2023, 8:35 p.m. UTC | #1
On Wed, Jul 12, 2023 at 01:08:10PM +0100, Ben Dooks wrote:
> Add a quick helper to just do struct device to the struct nfit_mem
> field it should be referencing. This reduces the number of code
> lines in some of the following code as it removes the intermediate
> struct nvdimm.
> 
> Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>

Reviewed-by: Alison Schofield <alison.schofield@intel.com>

> ---
> v2:
>   - fix typo of follwoing
>   - add blank line in to_nfit_mem()
> ---
>  drivers/acpi/nfit/core.c | 28 ++++++++++++++--------------
>  1 file changed, 14 insertions(+), 14 deletions(-)
> 
> diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c
> index 0fcc247fdfac..b04c8a41380a 100644
> --- a/drivers/acpi/nfit/core.c
> +++ b/drivers/acpi/nfit/core.c
> @@ -1361,18 +1361,23 @@ static const struct attribute_group *acpi_nfit_attribute_groups[] = {
>  	NULL,
>  };
>  
> -static struct acpi_nfit_memory_map *to_nfit_memdev(struct device *dev)
> +static struct nfit_mem *to_nfit_mem(struct device *dev)
>  {
>  	struct nvdimm *nvdimm = to_nvdimm(dev);
> -	struct nfit_mem *nfit_mem = nvdimm_provider_data(nvdimm);
> +
> +	return nvdimm_provider_data(nvdimm);
> +}
> +
> +static struct acpi_nfit_memory_map *to_nfit_memdev(struct device *dev)
> +{
> +	struct nfit_mem *nfit_mem = to_nfit_mem(dev);
>  
>  	return __to_nfit_memdev(nfit_mem);
>  }
>  
>  static struct acpi_nfit_control_region *to_nfit_dcr(struct device *dev)
>  {
> -	struct nvdimm *nvdimm = to_nvdimm(dev);
> -	struct nfit_mem *nfit_mem = nvdimm_provider_data(nvdimm);
> +	struct nfit_mem *nfit_mem = to_nfit_mem(dev);
>  
>  	return nfit_mem->dcr;
>  }
> @@ -1531,8 +1536,7 @@ static DEVICE_ATTR_RO(serial);
>  static ssize_t family_show(struct device *dev,
>  		struct device_attribute *attr, char *buf)
>  {
> -	struct nvdimm *nvdimm = to_nvdimm(dev);
> -	struct nfit_mem *nfit_mem = nvdimm_provider_data(nvdimm);
> +	struct nfit_mem *nfit_mem = to_nfit_mem(dev);
>  
>  	if (nfit_mem->family < 0)
>  		return -ENXIO;
> @@ -1543,8 +1547,7 @@ static DEVICE_ATTR_RO(family);
>  static ssize_t dsm_mask_show(struct device *dev,
>  		struct device_attribute *attr, char *buf)
>  {
> -	struct nvdimm *nvdimm = to_nvdimm(dev);
> -	struct nfit_mem *nfit_mem = nvdimm_provider_data(nvdimm);
> +	struct nfit_mem *nfit_mem = to_nfit_mem(dev);
>  
>  	if (nfit_mem->family < 0)
>  		return -ENXIO;
> @@ -1555,8 +1558,7 @@ static DEVICE_ATTR_RO(dsm_mask);
>  static ssize_t flags_show(struct device *dev,
>  		struct device_attribute *attr, char *buf)
>  {
> -	struct nvdimm *nvdimm = to_nvdimm(dev);
> -	struct nfit_mem *nfit_mem = nvdimm_provider_data(nvdimm);
> +	struct nfit_mem *nfit_mem = to_nfit_mem(dev);
>  	u16 flags = __to_nfit_memdev(nfit_mem)->flags;
>  
>  	if (test_bit(NFIT_MEM_DIRTY, &nfit_mem->flags))
> @@ -1576,8 +1578,7 @@ static DEVICE_ATTR_RO(flags);
>  static ssize_t id_show(struct device *dev,
>  		struct device_attribute *attr, char *buf)
>  {
> -	struct nvdimm *nvdimm = to_nvdimm(dev);
> -	struct nfit_mem *nfit_mem = nvdimm_provider_data(nvdimm);
> +	struct nfit_mem *nfit_mem = to_nfit_mem(dev);
>  
>  	return sprintf(buf, "%s\n", nfit_mem->id);
>  }
> @@ -1586,8 +1587,7 @@ static DEVICE_ATTR_RO(id);
>  static ssize_t dirty_shutdown_show(struct device *dev,
>  		struct device_attribute *attr, char *buf)
>  {
> -	struct nvdimm *nvdimm = to_nvdimm(dev);
> -	struct nfit_mem *nfit_mem = nvdimm_provider_data(nvdimm);
> +	struct nfit_mem *nfit_mem = to_nfit_mem(dev);
>  
>  	return sprintf(buf, "%d\n", nfit_mem->dirty_shutdown);
>  }
> -- 
> 2.40.1
> 
>
diff mbox series

Patch

diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c
index 0fcc247fdfac..b04c8a41380a 100644
--- a/drivers/acpi/nfit/core.c
+++ b/drivers/acpi/nfit/core.c
@@ -1361,18 +1361,23 @@  static const struct attribute_group *acpi_nfit_attribute_groups[] = {
 	NULL,
 };
 
-static struct acpi_nfit_memory_map *to_nfit_memdev(struct device *dev)
+static struct nfit_mem *to_nfit_mem(struct device *dev)
 {
 	struct nvdimm *nvdimm = to_nvdimm(dev);
-	struct nfit_mem *nfit_mem = nvdimm_provider_data(nvdimm);
+
+	return nvdimm_provider_data(nvdimm);
+}
+
+static struct acpi_nfit_memory_map *to_nfit_memdev(struct device *dev)
+{
+	struct nfit_mem *nfit_mem = to_nfit_mem(dev);
 
 	return __to_nfit_memdev(nfit_mem);
 }
 
 static struct acpi_nfit_control_region *to_nfit_dcr(struct device *dev)
 {
-	struct nvdimm *nvdimm = to_nvdimm(dev);
-	struct nfit_mem *nfit_mem = nvdimm_provider_data(nvdimm);
+	struct nfit_mem *nfit_mem = to_nfit_mem(dev);
 
 	return nfit_mem->dcr;
 }
@@ -1531,8 +1536,7 @@  static DEVICE_ATTR_RO(serial);
 static ssize_t family_show(struct device *dev,
 		struct device_attribute *attr, char *buf)
 {
-	struct nvdimm *nvdimm = to_nvdimm(dev);
-	struct nfit_mem *nfit_mem = nvdimm_provider_data(nvdimm);
+	struct nfit_mem *nfit_mem = to_nfit_mem(dev);
 
 	if (nfit_mem->family < 0)
 		return -ENXIO;
@@ -1543,8 +1547,7 @@  static DEVICE_ATTR_RO(family);
 static ssize_t dsm_mask_show(struct device *dev,
 		struct device_attribute *attr, char *buf)
 {
-	struct nvdimm *nvdimm = to_nvdimm(dev);
-	struct nfit_mem *nfit_mem = nvdimm_provider_data(nvdimm);
+	struct nfit_mem *nfit_mem = to_nfit_mem(dev);
 
 	if (nfit_mem->family < 0)
 		return -ENXIO;
@@ -1555,8 +1558,7 @@  static DEVICE_ATTR_RO(dsm_mask);
 static ssize_t flags_show(struct device *dev,
 		struct device_attribute *attr, char *buf)
 {
-	struct nvdimm *nvdimm = to_nvdimm(dev);
-	struct nfit_mem *nfit_mem = nvdimm_provider_data(nvdimm);
+	struct nfit_mem *nfit_mem = to_nfit_mem(dev);
 	u16 flags = __to_nfit_memdev(nfit_mem)->flags;
 
 	if (test_bit(NFIT_MEM_DIRTY, &nfit_mem->flags))
@@ -1576,8 +1578,7 @@  static DEVICE_ATTR_RO(flags);
 static ssize_t id_show(struct device *dev,
 		struct device_attribute *attr, char *buf)
 {
-	struct nvdimm *nvdimm = to_nvdimm(dev);
-	struct nfit_mem *nfit_mem = nvdimm_provider_data(nvdimm);
+	struct nfit_mem *nfit_mem = to_nfit_mem(dev);
 
 	return sprintf(buf, "%s\n", nfit_mem->id);
 }
@@ -1586,8 +1587,7 @@  static DEVICE_ATTR_RO(id);
 static ssize_t dirty_shutdown_show(struct device *dev,
 		struct device_attribute *attr, char *buf)
 {
-	struct nvdimm *nvdimm = to_nvdimm(dev);
-	struct nfit_mem *nfit_mem = nvdimm_provider_data(nvdimm);
+	struct nfit_mem *nfit_mem = to_nfit_mem(dev);
 
 	return sprintf(buf, "%d\n", nfit_mem->dirty_shutdown);
 }