Re: [PATCH v2 12/14] platform/x86/intel/ifs: Add current_batch sysfs entry

Sohil Mehta
2022-11-09T23:46:23Z

On 11/7/2022 2:53 PM, Jithu Joseph wrote:
> Reviewed-by: Tony Luck <tony.luck@intel.com>
> Signed-off-by: Jithu Joseph <jithu.joseph@intel.com>
> ---
> drivers/platform/x86/intel/ifs/ifs.h | 23 ++++++++++----
> drivers/platform/x86/intel/ifs/core.c | 1 +
> drivers/platform/x86/intel/ifs/load.c | 18 +++++++----
> drivers/platform/x86/intel/ifs/runtest.c | 10 ++++---
> drivers/platform/x86/intel/ifs/sysfs.c | 38 ++++++++++++++++++++++++
> 5 files changed, 74 insertions(+), 16 deletions(-)
>

Reviewed-by: Sohil Mehta <sohil.mehta@intel.com>

A Nit below.

> +static ssize_t current_batch_store(struct device *dev,
> + struct device_attribute *attr,
> + const char *buf, size_t count)
> +{
> + struct ifs_data *ifsd = ifs_get_data(dev);
> + int cur_batch;
> + int rc;
> +
> + rc = kstrtouint(buf, 0, &cur_batch);

Should this be kstrtoint() since cur_batch is defined as int? Or maybe
it might be better to define cur_batch as unsigned int to avoid the
negative input?

> + if (rc < 0 || cur_batch > 0xff)
> + return -EINVAL;
> +
> + if (down_interruptible(&ifs_sem))
> + return -EINTR;
> +
> + ifsd->cur_batch = cur_batch;
> +

Sohil