From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: [mchinth: sep_socwatch_linux_5_9 19/41] drivers/platform/x86/socwatch/sw_output_buffer.c:299:25: warning: variable 'write_index' set but not used
Date: Thu, 03 Jun 2021 11:46:28 +0800 [thread overview]
Message-ID: <202106031111.twpHNe4o-lkp@intel.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 22519 bytes --]
tree: https://github.com/mchinth/linux sep_socwatch_linux_5_9
head: 7296486889985b9d9895a39f551764a4b0425bea
commit: e65547c5a9bb37e907edecece4da7cb12dadea96 [19/41] platform/x86: Use $(srctree) instead of $(src) to adapt to kbuild regression
config: x86_64-randconfig-a002-20210603 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project d8e0ae9a76a62bdc6117630d59bf9967ac9bb4ea)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
# https://github.com/mchinth/linux/commit/e65547c5a9bb37e907edecece4da7cb12dadea96
git remote add mchinth https://github.com/mchinth/linux
git fetch --no-tags mchinth sep_socwatch_linux_5_9
git checkout e65547c5a9bb37e907edecece4da7cb12dadea96
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> drivers/platform/x86/socwatch/sw_output_buffer.c:299:25: warning: variable 'write_index' set but not used [-Wunused-but-set-variable]
size_t read_index = 0, write_index = 0, dst_index = 0;
^
>> drivers/platform/x86/socwatch/sw_output_buffer.c:301:7: warning: variable 'wrapped' set but not used [-Wunused-but-set-variable]
bool wrapped = false;
^
>> drivers/platform/x86/socwatch/sw_output_buffer.c:398:6: warning: no previous prototype for function 'reset_output_buffers' [-Wmissing-prototypes]
void reset_output_buffers(void)
^
drivers/platform/x86/socwatch/sw_output_buffer.c:398:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void reset_output_buffers(void)
^
static
3 warnings generated.
--
>> drivers/platform/x86/socwatch/sw_collector.c:86:1: warning: no previous prototype for function 'sw_copy_driver_interface_info_i' [-Wmissing-prototypes]
sw_copy_driver_interface_info_i(const struct sw_driver_interface_info *info)
^
drivers/platform/x86/socwatch/sw_collector.c:85:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
struct sw_driver_interface_info *
^
static
>> drivers/platform/x86/socwatch/sw_collector.c:116:5: warning: no previous prototype for function 'sw_init_driver_interface_info_i' [-Wmissing-prototypes]
int sw_init_driver_interface_info_i(struct sw_driver_interface_info *info)
^
drivers/platform/x86/socwatch/sw_collector.c:116:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
int sw_init_driver_interface_info_i(struct sw_driver_interface_info *info)
^
static
>> drivers/platform/x86/socwatch/sw_collector.c:138:5: warning: no previous prototype for function 'sw_init_ops_i' [-Wmissing-prototypes]
int sw_init_ops_i(const struct sw_hw_ops **ops,
^
drivers/platform/x86/socwatch/sw_collector.c:138:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
int sw_init_ops_i(const struct sw_hw_ops **ops,
^
static
>> drivers/platform/x86/socwatch/sw_collector.c:157:8: warning: no previous prototype for function 'sw_get_payload_size_i' [-Wmissing-prototypes]
size_t sw_get_payload_size_i(const struct sw_driver_interface_info *info)
^
drivers/platform/x86/socwatch/sw_collector.c:157:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
size_t sw_get_payload_size_i(const struct sw_driver_interface_info *info)
^
static
>> drivers/platform/x86/socwatch/sw_collector.c:175:1: warning: no previous prototype for function 'sw_alloc_collector_msg_i' [-Wmissing-prototypes]
sw_alloc_collector_msg_i(const struct sw_driver_interface_info *info,
^
drivers/platform/x86/socwatch/sw_collector.c:174:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
sw_driver_msg_t *
^
static
>> drivers/platform/x86/socwatch/sw_collector.c:211:26: warning: no previous prototype for function 'sw_alloc_ops_i' [-Wmissing-prototypes]
const struct sw_hw_ops **sw_alloc_ops_i(pw_u16_t num_io_descriptors)
^
drivers/platform/x86/socwatch/sw_collector.c:211:7: note: declare 'static' if the function is not intended to be used outside of this translation unit
const struct sw_hw_ops **sw_alloc_ops_i(pw_u16_t num_io_descriptors)
^
static
>> drivers/platform/x86/socwatch/sw_collector.c:323:6: warning: no previous prototype for function 'sw_free_driver_interface_info_i' [-Wmissing-prototypes]
void sw_free_driver_interface_info_i(struct sw_driver_interface_info *info)
^
drivers/platform/x86/socwatch/sw_collector.c:323:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void sw_free_driver_interface_info_i(struct sw_driver_interface_info *info)
^
static
>> drivers/platform/x86/socwatch/sw_collector.c:329:6: warning: no previous prototype for function 'sw_free_ops_i' [-Wmissing-prototypes]
void sw_free_ops_i(const struct sw_hw_ops **ops)
^
drivers/platform/x86/socwatch/sw_collector.c:329:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void sw_free_ops_i(const struct sw_hw_ops **ops)
^
static
>> drivers/platform/x86/socwatch/sw_collector.c:335:5: warning: no previous prototype for function 'sw_reset_driver_interface_info_i' [-Wmissing-prototypes]
int sw_reset_driver_interface_info_i(struct sw_driver_interface_info *info)
^
drivers/platform/x86/socwatch/sw_collector.c:335:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
int sw_reset_driver_interface_info_i(struct sw_driver_interface_info *info)
^
static
>> drivers/platform/x86/socwatch/sw_collector.c:453:6: warning: no previous prototype for function 'sw_free_collector_msg_i' [-Wmissing-prototypes]
void sw_free_collector_msg_i(sw_driver_msg_t *msg)
^
drivers/platform/x86/socwatch/sw_collector.c:453:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void sw_free_collector_msg_i(sw_driver_msg_t *msg)
^
static
>> drivers/platform/x86/socwatch/sw_collector.c:459:6: warning: no previous prototype for function 'sw_handle_per_cpu_msg_i' [-Wmissing-prototypes]
void sw_handle_per_cpu_msg_i(void *info, enum sw_wakeup_action action)
^
drivers/platform/x86/socwatch/sw_collector.c:459:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void sw_handle_per_cpu_msg_i(void *info, enum sw_wakeup_action action)
^
static
11 warnings generated.
--
drivers/platform/x86/socwatch/sw_telem.c:239:32: error: implicit declaration of function 'ioremap_nocache' [-Werror,-Wimplicit-function-declaration]
s_punitInterfaceAddr = (u64 *)ioremap_nocache(
^
drivers/platform/x86/socwatch/sw_telem.c:239:32: note: did you mean 'ioremap_cache'?
arch/x86/include/asm/io.h:185:22: note: 'ioremap_cache' declared here
extern void __iomem *ioremap_cache(resource_size_t offset, unsigned long size);
^
drivers/platform/x86/socwatch/sw_telem.c:239:25: warning: cast to 'u64 *' (aka 'unsigned long long *') from smaller integer type 'int' [-Wint-to-pointer-cast]
s_punitInterfaceAddr = (u64 *)ioremap_nocache(
^~~~~~~~~~~~~~~~~~~~~~~
drivers/platform/x86/socwatch/sw_telem.c:242:20: warning: cast to 'u64 *' (aka 'unsigned long long *') from smaller integer type 'int' [-Wint-to-pointer-cast]
s_punitDataAddr = (u64 *)ioremap_nocache(
^~~~~~~~~~~~~~~~~~~~~~~
drivers/platform/x86/socwatch/sw_telem.c:245:50: warning: cast to 'u64 *' (aka 'unsigned long long *') from smaller integer type 'int' [-Wint-to-pointer-cast]
s_telemEventInfo[TELEM_PUNIT].ssram_virt_addr = (u64 *)ioremap_nocache(
^~~~~~~~~~~~~~~~~~~~~~~
drivers/platform/x86/socwatch/sw_telem.c:280:27: error: implicit declaration of function 'ioremap_nocache' [-Werror,-Wimplicit-function-declaration]
s_pmcIPCCmdAddr = (u64 *)ioremap_nocache(
^
drivers/platform/x86/socwatch/sw_telem.c:280:20: warning: cast to 'u64 *' (aka 'unsigned long long *') from smaller integer type 'int' [-Wint-to-pointer-cast]
s_pmcIPCCmdAddr = (u64 *)ioremap_nocache(
^~~~~~~~~~~~~~~~~~~~~~~
drivers/platform/x86/socwatch/sw_telem.c:283:20: warning: cast to 'u64 *' (aka 'unsigned long long *') from smaller integer type 'int' [-Wint-to-pointer-cast]
s_pmcIPCStsAddr = (u64 *)ioremap_nocache(
^~~~~~~~~~~~~~~~~~~~~~~
drivers/platform/x86/socwatch/sw_telem.c:286:21: warning: cast to 'u64 *' (aka 'unsigned long long *') from smaller integer type 'int' [-Wint-to-pointer-cast]
s_pmcIPCWBufAddr = (u64 *)ioremap_nocache(
^~~~~~~~~~~~~~~~~~~~~~~
drivers/platform/x86/socwatch/sw_telem.c:289:21: warning: cast to 'u64 *' (aka 'unsigned long long *') from smaller integer type 'int' [-Wint-to-pointer-cast]
s_pmcIPCRBufAddr = (u64 *)ioremap_nocache(
^~~~~~~~~~~~~~~~~~~~~~~
drivers/platform/x86/socwatch/sw_telem.c:292:48: warning: cast to 'u64 *' (aka 'unsigned long long *') from smaller integer type 'int' [-Wint-to-pointer-cast]
s_telemEventInfo[TELEM_PMC].ssram_virt_addr = (u64 *)ioremap_nocache(
^~~~~~~~~~~~~~~~~~~~~~~
>> drivers/platform/x86/socwatch/sw_telem.c:671:5: warning: no previous prototype for function 'read_telem' [-Wmissing-prototypes]
int read_telem(u64 *dst, enum telemetry_unit unit, bool should_retry)
^
drivers/platform/x86/socwatch/sw_telem.c:671:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
int read_telem(u64 *dst, enum telemetry_unit unit, bool should_retry)
^
static
9 warnings and 2 errors generated.
--
>> drivers/platform/x86/sepdk/sep/sys_info.c:320:6: warning: variable 'model' set but not used [-Wunused-but-set-variable]
U32 model = 0;
^
1 warning generated.
--
drivers/platform/x86/sepdk/sep/pebs.c:96:26: error: variable has incomplete type 'struct flush_tlb_info'
struct flush_tlb_info info;
^
arch/x86/include/asm/paravirt_types.h:56:8: note: forward declaration of 'struct flush_tlb_info'
struct flush_tlb_info;
^
>> drivers/platform/x86/sepdk/sep/pebs.c:977:6: warning: variable 'cur_grp' set but not used [-Wunused-but-set-variable]
U32 cur_grp;
^
drivers/platform/x86/sepdk/sep/pebs.c:1345:8: error: implicit declaration of function '__get_user_pages_fast' [-Werror,-Wimplicit-function-declaration]
if (__get_user_pages_fast(lin_addr, 1, 1, &page)) {
^
drivers/platform/x86/sepdk/sep/pebs.c:1345:8: note: did you mean 'get_user_pages_fast'?
include/linux/mm.h:1737:5: note: 'get_user_pages_fast' declared here
int get_user_pages_fast(unsigned long start, int nr_pages,
^
1 warning and 2 errors generated.
--
>> drivers/platform/x86/sepdk/sep/unc_common.c:280:6: warning: variable 'device_id' set but not used [-Wunused-but-set-variable]
U32 device_id;
^
1 warning generated.
--
>> drivers/platform/x86/sepdk/sep/unc_pci.c:57:6: warning: variable 'device_id' set but not used [-Wunused-but-set-variable]
U32 device_id;
^
1 warning generated.
--
>> drivers/platform/x86/socwatch/sw_output_buffer.c:301:7: warning: variable 'wrapped' set but not used [-Wunused-but-set-variable]
bool wrapped = false;
^
>> drivers/platform/x86/socwatch/sw_output_buffer.c:299:25: warning: variable 'write_index' set but not used [-Wunused-but-set-variable]
size_t read_index = 0, write_index = 0, dst_index = 0;
^
>> drivers/platform/x86/socwatch/sw_output_buffer.c:398:6: warning: no previous prototype for function 'reset_output_buffers' [-Wmissing-prototypes]
void reset_output_buffers(void)
^
drivers/platform/x86/socwatch/sw_output_buffer.c:398:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void reset_output_buffers(void)
^
static
3 warnings generated.
vim +/write_index +299 drivers/platform/x86/socwatch/sw_output_buffer.c
688e338c753b33 Faycal Benmlih 2019-04-23 292
688e338c753b33 Faycal Benmlih 2019-04-23 293 /*
688e338c753b33 Faycal Benmlih 2019-04-23 294 * Returns # of bytes successfully consumed on success
688e338c753b33 Faycal Benmlih 2019-04-23 295 * 0 on EOF (no error condition)
688e338c753b33 Faycal Benmlih 2019-04-23 296 */
688e338c753b33 Faycal Benmlih 2019-04-23 297 static size_t consume_buffer(void *dest, size_t bytes_to_read)
688e338c753b33 Faycal Benmlih 2019-04-23 298 {
688e338c753b33 Faycal Benmlih 2019-04-23 @299 size_t read_index = 0, write_index = 0, dst_index = 0;
688e338c753b33 Faycal Benmlih 2019-04-23 300 size_t to_read = 0;
688e338c753b33 Faycal Benmlih 2019-04-23 @301 bool wrapped = false;
688e338c753b33 Faycal Benmlih 2019-04-23 302 size_t read_size = bytes_to_read;
688e338c753b33 Faycal Benmlih 2019-04-23 303 unsigned long bytes_not_copied = 0;
688e338c753b33 Faycal Benmlih 2019-04-23 304 struct sw_driver_continuous_collect data = {0};
688e338c753b33 Faycal Benmlih 2019-04-23 305
688e338c753b33 Faycal Benmlih 2019-04-23 306 WRITE_LOCK(sw_continuous_lock);
688e338c753b33 Faycal Benmlih 2019-04-23 307 smp_mb(); /* memory access ordering */
688e338c753b33 Faycal Benmlih 2019-04-23 308 read_index = buffer.read_index;
688e338c753b33 Faycal Benmlih 2019-04-23 309 write_index = buffer.write_index;
688e338c753b33 Faycal Benmlih 2019-04-23 310 /* EXE sends size as header + payload; we only want payload */
688e338c753b33 Faycal Benmlih 2019-04-23 311 read_size -= SW_DRIVER_CONTINUOUS_COLLECT_HEADER_SIZE();
688e338c753b33 Faycal Benmlih 2019-04-23 312 data.collection_size = to_read =
688e338c753b33 Faycal Benmlih 2019-04-23 313 MIN(read_size, get_data_available(&buffer));
688e338c753b33 Faycal Benmlih 2019-04-23 314 pw_pr_debug(
688e338c753b33 Faycal Benmlih 2019-04-23 315 "DEBUG: read = %zu, write = %zu, avail = %zu, to_read = %zu\n",
688e338c753b33 Faycal Benmlih 2019-04-23 316 read_index, write_index, get_data_available(&buffer), to_read);
688e338c753b33 Faycal Benmlih 2019-04-23 317 while (to_read) {
688e338c753b33 Faycal Benmlih 2019-04-23 318 size_t curr_read = to_read;
688e338c753b33 Faycal Benmlih 2019-04-23 319
688e338c753b33 Faycal Benmlih 2019-04-23 320 if (read_index + to_read > buffer.size) {
688e338c753b33 Faycal Benmlih 2019-04-23 321 curr_read = buffer.size - read_index;
688e338c753b33 Faycal Benmlih 2019-04-23 322 wrapped = true;
688e338c753b33 Faycal Benmlih 2019-04-23 323 pw_pr_debug(
688e338c753b33 Faycal Benmlih 2019-04-23 324 "DEBUG: read = %zu, to_read = %zu, curr_read = %zu, buffer.size = %lu, WRAPPED!\n",
688e338c753b33 Faycal Benmlih 2019-04-23 325 read_index, to_read, curr_read, buffer.size);
688e338c753b33 Faycal Benmlih 2019-04-23 326 }
688e338c753b33 Faycal Benmlih 2019-04-23 327 memcpy(&output_buffer[dst_index],
688e338c753b33 Faycal Benmlih 2019-04-23 328 &buffer.data[read_index], curr_read);
688e338c753b33 Faycal Benmlih 2019-04-23 329 read_index = (read_index + curr_read) & (buffer.size - 1);
688e338c753b33 Faycal Benmlih 2019-04-23 330 to_read -= curr_read;
688e338c753b33 Faycal Benmlih 2019-04-23 331 dst_index += curr_read;
688e338c753b33 Faycal Benmlih 2019-04-23 332 }
688e338c753b33 Faycal Benmlih 2019-04-23 333 buffer.read_index = read_index;
688e338c753b33 Faycal Benmlih 2019-04-23 334 smp_mb(); /* memory access ordering */
688e338c753b33 Faycal Benmlih 2019-04-23 335 pw_pr_debug("DEBUG: read at end of while = %zu\n", buffer.read_index);
688e338c753b33 Faycal Benmlih 2019-04-23 336 WRITE_UNLOCK(sw_continuous_lock);
688e338c753b33 Faycal Benmlih 2019-04-23 337
688e338c753b33 Faycal Benmlih 2019-04-23 338 /*
688e338c753b33 Faycal Benmlih 2019-04-23 339 * Call 'copy_to_user' instead of 'sw_copy_to_user' since
688e338c753b33 Faycal Benmlih 2019-04-23 340 * sw_copy_to_user expects to see a 'struct uio' while this
688e338c753b33 Faycal Benmlih 2019-04-23 341 * is called from an IOCTL which does NOT have a 'struct uio'
688e338c753b33 Faycal Benmlih 2019-04-23 342 */
688e338c753b33 Faycal Benmlih 2019-04-23 343 bytes_not_copied =
688e338c753b33 Faycal Benmlih 2019-04-23 344 copy_to_user(dest, (char *)&data,
688e338c753b33 Faycal Benmlih 2019-04-23 345 SW_DRIVER_CONTINUOUS_COLLECT_HEADER_SIZE());
688e338c753b33 Faycal Benmlih 2019-04-23 346 if (bytes_not_copied)
688e338c753b33 Faycal Benmlih 2019-04-23 347 return 0;
688e338c753b33 Faycal Benmlih 2019-04-23 348
688e338c753b33 Faycal Benmlih 2019-04-23 349 pw_pr_debug("DEBUG: collection size = %u\n", data.collection_size);
688e338c753b33 Faycal Benmlih 2019-04-23 350 if (data.collection_size) {
688e338c753b33 Faycal Benmlih 2019-04-23 351 bytes_not_copied =
688e338c753b33 Faycal Benmlih 2019-04-23 352 copy_to_user(dest +
688e338c753b33 Faycal Benmlih 2019-04-23 353 SW_DRIVER_CONTINUOUS_COLLECT_HEADER_SIZE(),
688e338c753b33 Faycal Benmlih 2019-04-23 354 output_buffer, data.collection_size);
688e338c753b33 Faycal Benmlih 2019-04-23 355 if (bytes_not_copied)
688e338c753b33 Faycal Benmlih 2019-04-23 356 return 0;
688e338c753b33 Faycal Benmlih 2019-04-23 357
688e338c753b33 Faycal Benmlih 2019-04-23 358 }
688e338c753b33 Faycal Benmlih 2019-04-23 359 return data.collection_size;
688e338c753b33 Faycal Benmlih 2019-04-23 360 }
688e338c753b33 Faycal Benmlih 2019-04-23 361
688e338c753b33 Faycal Benmlih 2019-04-23 362 long initialize_circular_buffer(size_t size)
688e338c753b33 Faycal Benmlih 2019-04-23 363 {
688e338c753b33 Faycal Benmlih 2019-04-23 364 size_t alloc_size = size, read_size = size;
688e338c753b33 Faycal Benmlih 2019-04-23 365 /*
688e338c753b33 Faycal Benmlih 2019-04-23 366 * We require a power of two size
688e338c753b33 Faycal Benmlih 2019-04-23 367 */
688e338c753b33 Faycal Benmlih 2019-04-23 368 pw_pr_debug("DEBUG: old alloc size = %zu\n", alloc_size);
688e338c753b33 Faycal Benmlih 2019-04-23 369 if ((alloc_size & (alloc_size - 1)) != 0)
688e338c753b33 Faycal Benmlih 2019-04-23 370 alloc_size = 1 << fls(alloc_size);
688e338c753b33 Faycal Benmlih 2019-04-23 371
688e338c753b33 Faycal Benmlih 2019-04-23 372 pw_pr_debug("DEBUG: new alloc size = %zu\n", alloc_size);
688e338c753b33 Faycal Benmlih 2019-04-23 373 /* Create double-sized buffer */
688e338c753b33 Faycal Benmlih 2019-04-23 374 alloc_size <<= 1;
688e338c753b33 Faycal Benmlih 2019-04-23 375 pw_pr_debug("DEBUG: double alloc size = %zu\n", alloc_size);
688e338c753b33 Faycal Benmlih 2019-04-23 376 memset(&buffer, 0, sizeof(buffer));
688e338c753b33 Faycal Benmlih 2019-04-23 377 buffer.free_pages =
688e338c753b33 Faycal Benmlih 2019-04-23 378 sw_allocate_pages(GFP_KERNEL | __GFP_ZERO, alloc_size);
688e338c753b33 Faycal Benmlih 2019-04-23 379 if (!buffer.free_pages) {
688e338c753b33 Faycal Benmlih 2019-04-23 380 pw_pr_error("Couldn't allocate space for buffer!\n");
688e338c753b33 Faycal Benmlih 2019-04-23 381 return -ENOMEM;
688e338c753b33 Faycal Benmlih 2019-04-23 382 }
688e338c753b33 Faycal Benmlih 2019-04-23 383 buffer.read_index = buffer.write_index = 0;
688e338c753b33 Faycal Benmlih 2019-04-23 384 buffer.size = alloc_size;
688e338c753b33 Faycal Benmlih 2019-04-23 385 SW_INIT_RWLOCK(sw_continuous_lock);
688e338c753b33 Faycal Benmlih 2019-04-23 386 /*
688e338c753b33 Faycal Benmlih 2019-04-23 387 * Create temp output buffer
688e338c753b33 Faycal Benmlih 2019-04-23 388 */
688e338c753b33 Faycal Benmlih 2019-04-23 389 output_buffer = vmalloc(read_size);
688e338c753b33 Faycal Benmlih 2019-04-23 390 if (!output_buffer) {
688e338c753b33 Faycal Benmlih 2019-04-23 391 pw_pr_error(
688e338c753b33 Faycal Benmlih 2019-04-23 392 "Couldn't create temporary buffer for data output!\n");
688e338c753b33 Faycal Benmlih 2019-04-23 393 return -ENOMEM;
688e338c753b33 Faycal Benmlih 2019-04-23 394 }
688e338c753b33 Faycal Benmlih 2019-04-23 395 return 0;
688e338c753b33 Faycal Benmlih 2019-04-23 396 }
688e338c753b33 Faycal Benmlih 2019-04-23 397
688e338c753b33 Faycal Benmlih 2019-04-23 @398 void reset_output_buffers(void)
688e338c753b33 Faycal Benmlih 2019-04-23 399 {
688e338c753b33 Faycal Benmlih 2019-04-23 400 buffer.read_index = buffer.write_index = 0;
688e338c753b33 Faycal Benmlih 2019-04-23 401 }
688e338c753b33 Faycal Benmlih 2019-04-23 402
:::::: The code@line 299 was first introduced by commit
:::::: 688e338c753b33c023de3b774f7347effbf537a4 Platform/x86: Update SoCWatch driver code to 2.10
:::::: TO: Faycal Benmlih <faycal.benmlih@intel.com>
:::::: CC: Faycal Benmlih <faycal.benmlih@intel.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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