path: root/scripts
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authorLinus Torvalds <torvalds@linux-foundation.org>2015-06-26 14:51:15 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2015-06-26 14:51:15 -0700
commitd87823813fe498fdd47894bd28e460a9dee8d771 (patch)
tree214eaf3babd0d61f08022fc1edd99a5128616548 /scripts
parente382608254e06c8109f40044f5e693f2e04f3899 (diff)
parent3dc196eae1db548f05e53e5875ff87b8ff79f249 (diff)
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() ...
Diffstat (limited to 'scripts')
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 "
+ 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',
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 "
+ 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
- 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():
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_FIELD(mei_cl_device_id, name);
+ DEVID_FIELD(mei_cl_device_id, uuid);
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;