platform/x86/intel/ifs: Remove reload sysfs entry

mainline inclusion
from mainline-v6.2-rc1
commit bf835ee8
category: feature
feature: Backport Intel In Field Scan(IFS) multi-blob images support
bugzilla: https://gitee.com/openeuler/intel-kernel/issues/I6L337
CVE: N/A
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/
commit/?id=bf835ee8

Intel-SIG: commit bf835ee8 ("platform/x86/intel/ifs: Remove reload sysfs entry")

-------------------------------------

platform/x86/intel/ifs: Remove reload sysfs entry

Reload sysfs entry will be replaced by current_batch, drop it.
Signed-off-by: NJithu Joseph <jithu.joseph@intel.com>
Signed-off-by: NBorislav Petkov <bp@suse.de>
Reviewed-by: NTony Luck <tony.luck@intel.com>
Reviewed-by: NSohil Mehta <sohil.mehta@intel.com>
Reviewed-by: NHans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20221117035935.4136738-14-jithu.joseph@intel.comSigned-off-by: NAichun Shi <aichun.shi@intel.com>

drivers/platform/x86/intel/ifs/sysfs.c

@@ -87,34 +87,6 @@ static ssize_t run_test_store(struct device *dev,
 
 static DEVICE_ATTR_WO(run_test);
 
-/*
- * Reload the IFS image. When user wants to install new IFS image
- */
-static ssize_t reload_store(struct device *dev,
-			    struct device_attribute *attr,
-			    const char *buf, size_t count)
-{
-	struct ifs_data *ifsd = ifs_get_data(dev);
-	bool res;
-
-
-	if (kstrtobool(buf, &res))
-		return -EINVAL;
-	if (!res)
-		return count;
-
-	if (down_interruptible(&ifs_sem))
-		return -EINTR;
-
-	ifs_load_firmware(dev);
-
-	up(&ifs_sem);
-
-	return ifsd->loaded ? count : -ENODEV;
-}
-
-static DEVICE_ATTR_WO(reload);
-
 /*
  * Display currently loaded IFS image version.
  */
@@ -136,7 +108,6 @@ static struct attribute *plat_ifs_attrs[] = {
 	&dev_attr_details.attr,
 	&dev_attr_status.attr,
 	&dev_attr_run_test.attr,
-	&dev_attr_reload.attr,
 	&dev_attr_image_version.attr,
 	NULL
 };