From: Dave Jiang <dave.jiang@intel.com>
To: Ben Dooks <ben.dooks@codethink.co.uk>, <nvdimm@lists.linux.dev>
Cc: <linux-acpi@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<lenb@kernel.org>
Subject: Re: [PATCH] ACPI: NFIT: add helper to_nfit_mem() to take device to nfit_mem
Date: Wed, 5 Jul 2023 11:43:42 -0700 [thread overview]
Message-ID: <4ba1aeba-d744-4296-811f-71140e9c66d9@intel.com> (raw)
In-Reply-To: <20230703131729.1009861-1-ben.dooks@codethink.co.uk>
On 7/3/23 06:17, 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 followgn code as it removes the intermediate
s/followgn/following/
> struct nvdimm.
>
> Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
> ---
> drivers/acpi/nfit/core.c | 27 +++++++++++++--------------
> 1 file changed, 13 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c
> index 0fcc247fdfac..9213b426b125 100644
> --- a/drivers/acpi/nfit/core.c
> +++ b/drivers/acpi/nfit/core.c
> @@ -1361,18 +1361,22 @@ 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 +1535,7 @@ 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 +1546,7 @@ 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 +1557,7 @@ 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 +1577,7 @@ 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 +1586,7 @@ 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);
> }
next prev parent reply other threads:[~2023-07-05 18:43 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-03 13:17 [PATCH] ACPI: NFIT: add helper to_nfit_mem() to take device to nfit_mem Ben Dooks
2023-07-05 18:43 ` Dave Jiang [this message]
2023-07-05 21:24 ` Verma, Vishal L
2023-07-05 23:28 ` Alison Schofield
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