Re: [PATCH v3 2/8] platform/x86/intel/ifs: IFS cleanup

From: Hans de Goede
Date: Mon Mar 13 2023 - 11:04:15 EST


Hi,

On 3/1/23 02:59, Jithu Joseph wrote:
> Cleanup incorporating misc review comments
>
> - Remove the subdirectory intel_ifs/0 for devicenode [1]
> - Make plat_ifs_groups non static and use it directly without using a
> function [2]
>
> Link: https://lore.kernel.org/lkml/Y+4kQOtrHt5pdsSO@xxxxxxxxx/ [1]
> Link: https://lore.kernel.org/lkml/Y9nyxNesVHCUXAcH@xxxxxxxxx/ [2]
>
> Signed-off-by: Jithu Joseph <jithu.joseph@xxxxxxxxx>
> Reviewed-by: Tony Luck <tony.luck@xxxxxxxxx>

Thanks, patch looks good to me:

Reviewed-by: Hans de Goede <hdegoede@xxxxxxxxxx>

Please add my Reviewed-by to this patch for the next version of
the series, so that I know which patches I have already reviewed.

Regards,

Hans

> ---
> drivers/platform/x86/intel/ifs/ifs.h | 2 +-
> drivers/platform/x86/intel/ifs/core.c | 6 +++---
> drivers/platform/x86/intel/ifs/sysfs.c | 9 +--------
> 3 files changed, 5 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/platform/x86/intel/ifs/ifs.h b/drivers/platform/x86/intel/ifs/ifs.h
> index e07463c794d4..ab168ddf28f1 100644
> --- a/drivers/platform/x86/intel/ifs/ifs.h
> +++ b/drivers/platform/x86/intel/ifs/ifs.h
> @@ -246,6 +246,6 @@ static inline struct ifs_data *ifs_get_data(struct device *dev)
> extern bool *ifs_pkg_auth;
> int ifs_load_firmware(struct device *dev);
> int do_core_test(int cpu, struct device *dev);
> -const struct attribute_group **ifs_get_groups(void);
> +extern struct attribute *plat_ifs_attrs[];
>
> #endif
> diff --git a/drivers/platform/x86/intel/ifs/core.c b/drivers/platform/x86/intel/ifs/core.c
> index b518b661daf0..62c44dbae757 100644
> --- a/drivers/platform/x86/intel/ifs/core.c
> +++ b/drivers/platform/x86/intel/ifs/core.c
> @@ -20,6 +20,8 @@ static const struct x86_cpu_id ifs_cpu_ids[] __initconst = {
> };
> MODULE_DEVICE_TABLE(x86cpu, ifs_cpu_ids);
>
> +ATTRIBUTE_GROUPS(plat_ifs);
> +
> bool *ifs_pkg_auth;
>
> static struct ifs_device ifs_device = {
> @@ -29,8 +31,8 @@ static struct ifs_device ifs_device = {
> },
> .misc = {
> .name = "intel_ifs_0",
> - .nodename = "intel_ifs/0",
> .minor = MISC_DYNAMIC_MINOR,
> + .groups = plat_ifs_groups,
> },
> };
>
> @@ -53,8 +55,6 @@ static int __init ifs_init(void)
> if (rdmsrl_safe(MSR_INTEGRITY_CAPS, &msrval))
> return -ENODEV;
>
> - ifs_device.misc.groups = ifs_get_groups();
> -
> if (!(msrval & BIT(ifs_device.ro_data.integrity_cap_bit)))
> return -ENODEV;
>
> diff --git a/drivers/platform/x86/intel/ifs/sysfs.c b/drivers/platform/x86/intel/ifs/sysfs.c
> index ee636a76b083..2007d8054f04 100644
> --- a/drivers/platform/x86/intel/ifs/sysfs.c
> +++ b/drivers/platform/x86/intel/ifs/sysfs.c
> @@ -141,7 +141,7 @@ static ssize_t image_version_show(struct device *dev,
> static DEVICE_ATTR_RO(image_version);
>
> /* global scan sysfs attributes */
> -static struct attribute *plat_ifs_attrs[] = {
> +struct attribute *plat_ifs_attrs[] = {
> &dev_attr_details.attr,
> &dev_attr_status.attr,
> &dev_attr_run_test.attr,
> @@ -149,10 +149,3 @@ static struct attribute *plat_ifs_attrs[] = {
> &dev_attr_image_version.attr,
> NULL
> };
> -
> -ATTRIBUTE_GROUPS(plat_ifs);
> -
> -const struct attribute_group **ifs_get_groups(void)
> -{
> - return plat_ifs_groups;
> -}