Merge tag 'char-misc-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver updates from Greg KH:
 "Here's the big char/misc driver pull request for 4.2-rc1.

  Lots of mei, extcon, coresight, uio, mic, and other driver updates in
  here.  Full details in the shortlog.  All of these have been in
  linux-next for some time with no reported problems"

* tag 'char-misc-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (176 commits)
  mei: me: wait for power gating exit confirmation
  mei: reset flow control on the last client disconnection
  MAINTAINERS: mei: add mei_cl_bus.h to maintained file list
  misc: sram: sort and clean up included headers
  misc: sram: move reserved block logic out of probe function
  misc: sram: add private struct device and virt_base members
  misc: sram: report correct SRAM pool size
  misc: sram: bump error message level on unclean driver unbinding
  misc: sram: fix device node reference leak on error
  misc: sram: fix enabled clock leak on error path
  misc: mic: Fix reported static checker warning
  misc: mic: Fix randconfig build error by including errno.h
  uio: pruss: Drop depends on ARCH_DAVINCI_DA850 from config
  uio: pruss: Add CONFIG_HAS_IOMEM dependence
  uio: pruss: Include <linux/sizes.h>
  extcon: Redefine the unique id of supported external connectors without 'enum extcon' type
  char:xilinx_hwicap:buffer_icap - change 1/0 to true/false for bool type variable in function buffer_icap_set_configuration().
  Drivers: hv: vmbus: Allocate ring buffer memory in NUMA aware fashion
  parport: check exclusive access before register
  w1: use correct lock on error in w1_seq_show()
  ...

3 files changed, 47 insertions, 9 deletions

diff --git a/scripts/checkkconfigsymbols.py b/scripts/checkkconfigsymbols.py
index 74086a583d8d..c89fdcaf06e8 100755
--- a/scripts/checkkconfigsymbols.py
+++ b/scripts/checkkconfigsymbols.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 
 """Find Kconfig symbols that are referenced but not defined."""
 
@@ -58,6 +58,12 @@ def parse_options():
                            "input format bases on Git log's "
                            "\'commmit1..commit2\'.")
 
+    parser.add_option('-i', '--ignore', dest='ignore', action='store',
+                      default="",
+                      help="Ignore files matching this pattern.  Note that "
+                           "the pattern needs to be a Python regex.  To "
+                           "ignore defconfigs, specify -i '.*defconfig'.")
+
     parser.add_option('', '--force', dest='force', action='store_true',
                       default=False,
                       help="Reset current Git tree even when it's dirty.")
@@ -80,6 +86,12 @@ def parse_options():
                      "'--force' if you\nwant to ignore this warning and "
                      "continue.")
 
+    if opts.ignore:
+        try:
+            re.match(opts.ignore, "this/is/just/a/test.c")
+        except:
+            sys.exit("Please specify a valid Python regex.")
+
     return opts
 
 
@@ -105,11 +117,11 @@ def main():
 
         # get undefined items before the commit
         execute("git reset --hard %s" % commit_a)
-        undefined_a = check_symbols()
+        undefined_a = check_symbols(opts.ignore)
 
         # get undefined items for the commit
         execute("git reset --hard %s" % commit_b)
-        undefined_b = check_symbols()
+        undefined_b = check_symbols(opts.ignore)
 
         # report cases that are present for the commit but not before
         for feature in sorted(undefined_b):
@@ -129,7 +141,7 @@ def main():
 
     # default to check the entire tree
     else:
-        undefined = check_symbols()
+        undefined = check_symbols(opts.ignore)
         for feature in sorted(undefined):
             files = sorted(undefined.get(feature))
             print "%s\t%s" % (feature, ", ".join(files))
@@ -160,9 +172,10 @@ def get_head():
     return stdout.strip('\n')
 
 
-def check_symbols():
+def check_symbols(ignore):
     """Find undefined Kconfig symbols and return a dict with the symbol as key
-    and a list of referencing files as value."""
+    and a list of referencing files as value.  Files matching %ignore are not
+    checked for undefined symbols."""
     source_files = []
     kconfig_files = []
     defined_features = set()
@@ -185,10 +198,17 @@ def check_symbols():
             source_files.append(gitfile)
 
     for sfile in source_files:
+        if ignore and re.match(ignore, sfile):
+            # do not check files matching %ignore
+            continue
         parse_source_file(sfile, referenced_features)
 
     for kfile in kconfig_files:
-        parse_kconfig_file(kfile, defined_features, referenced_features)
+        if ignore and re.match(ignore, kfile):
+            # do not collect references for files matching %ignore
+            parse_kconfig_file(kfile, defined_features, dict())
+        else:
+            parse_kconfig_file(kfile, defined_features, referenced_features)
 
     undefined = {}  # {feature: [files]}
     for feature in sorted(referenced_features):
diff --git a/scripts/mod/devicetable-offsets.c b/scripts/mod/devicetable-offsets.c
index fce36d0f6898..091f6290a651 100644
--- a/scripts/mod/devicetable-offsets.c
+++ b/scripts/mod/devicetable-offsets.c
@@ -182,6 +182,7 @@ int main(void)
 
 	DEVID(mei_cl_device_id);
 	DEVID_FIELD(mei_cl_device_id, name);
+	DEVID_FIELD(mei_cl_device_id, uuid);
 
 	DEVID(rio_device_id);
 	DEVID_FIELD(rio_device_id, did);
diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
index 78691d51a479..718b2a29bd43 100644
--- a/scripts/mod/file2alias.c
+++ b/scripts/mod/file2alias.c
@@ -34,6 +34,9 @@ typedef Elf64_Addr	kernel_ulong_t;
 typedef uint32_t	__u32;
 typedef uint16_t	__u16;
 typedef unsigned char	__u8;
+typedef struct {
+	__u8 b[16];
+} uuid_le;
 
 /* Big exception to the "don't include kernel headers into userspace, which
  * even potentially has different endianness and word sizes, since
@@ -131,6 +134,15 @@ static inline void add_wildcard(char *str)
 		strcat(str + len, "*");
 }
 
+static inline void add_uuid(char *str, uuid_le uuid)
+{
+	int len = strlen(str);
+	int i;
+
+	for (i = 0; i < 16; i++)
+		sprintf(str + len + (i << 1), "%02x", uuid.b[i]);
+}
+
 /**
  * Check that sizeof(device_id type) are consistent with size of section
  * in .o file. If in-consistent then userspace and kernel does not agree
@@ -1160,13 +1172,18 @@ static int do_cpu_entry(const char *filename, void *symval, char *alias)
 }
 ADD_TO_DEVTABLE("cpu", cpu_feature, do_cpu_entry);
 
-/* Looks like: mei:S */
+/* Looks like: mei:S:uuid */
 static int do_mei_entry(const char *filename, void *symval,
 			char *alias)
 {
 	DEF_FIELD_ADDR(symval, mei_cl_device_id, name);
+	DEF_FIELD_ADDR(symval, mei_cl_device_id, uuid);
+
+	sprintf(alias, MEI_CL_MODULE_PREFIX);
+	sprintf(alias + strlen(alias), "%s:",  (*name)[0]  ? *name : "*");
+	add_uuid(alias, *uuid);
 
-	sprintf(alias, MEI_CL_MODULE_PREFIX "%s", *name);
+	strcat(alias, ":*");
 
 	return 1;
 }