* [ath6kl:ath11k-qca6390-bringup 67/67] drivers/net/wireless/ath/ath11k/pci.c:362:6: warning: no previous prototype for function 'ath11k_pci_soc_global_reset'
@ 2020-06-16 20:32 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2020-06-16 20:32 UTC (permalink / raw)
To: Carl Huang; +Cc: clang-built-linux, kbuild-all, ath10k, Kalle Valo
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git ath11k-qca6390-bringup
head: 682bd79bb8fe637b426947462daa7bdf155b198a
commit: 682bd79bb8fe637b426947462daa7bdf155b198a [67/67] ath11k: reset MHI during power down and power up
config: x86_64-allyesconfig (attached as .config)
compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 487ca07fcc75d52755c9fe2ee05bcb3b6eeeec44)
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
git checkout 682bd79bb8fe637b426947462daa7bdf155b198a
# 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 >>, old ones prefixed by <<):
>> drivers/net/wireless/ath/ath11k/pci.c:362:6: warning: no previous prototype for function 'ath11k_pci_soc_global_reset' [-Wmissing-prototypes]
void ath11k_pci_soc_global_reset(struct ath11k_base *ab)
^
drivers/net/wireless/ath/ath11k/pci.c:362:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void ath11k_pci_soc_global_reset(struct ath11k_base *ab)
^
static
>> drivers/net/wireless/ath/ath11k/pci.c:389:6: warning: no previous prototype for function 'ath11k_pci_clear_dbg_registers' [-Wmissing-prototypes]
void ath11k_pci_clear_dbg_registers(struct ath11k_base *ab)
^
drivers/net/wireless/ath/ath11k/pci.c:389:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void ath11k_pci_clear_dbg_registers(struct ath11k_base *ab)
^
static
>> drivers/net/wireless/ath/ath11k/pci.c:419:6: warning: no previous prototype for function 'ath11k_pci_force_wake' [-Wmissing-prototypes]
void ath11k_pci_force_wake(struct ath11k_base *ab)
^
drivers/net/wireless/ath/ath11k/pci.c:419:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void ath11k_pci_force_wake(struct ath11k_base *ab)
^
static
>> drivers/net/wireless/ath/ath11k/pci.c:425:6: warning: no previous prototype for function 'ath11k_pci_force_wake_release' [-Wmissing-prototypes]
void ath11k_pci_force_wake_release(struct ath11k_base *ab)
^
drivers/net/wireless/ath/ath11k/pci.c:425:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void ath11k_pci_force_wake_release(struct ath11k_base *ab)
^
static
>> drivers/net/wireless/ath/ath11k/pci.c:431:6: warning: no previous prototype for function 'ath11k_pci_sw_reset' [-Wmissing-prototypes]
void ath11k_pci_sw_reset(struct ath11k_base *ab)
^
drivers/net/wireless/ath/ath11k/pci.c:431:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void ath11k_pci_sw_reset(struct ath11k_base *ab)
^
static
5 warnings generated.
vim +/ath11k_pci_soc_global_reset +362 drivers/net/wireless/ath/ath11k/pci.c
361
> 362 void ath11k_pci_soc_global_reset(struct ath11k_base *ab)
363 {
364 u32 val;
365 u32 delay;
366
367 val = ath11k_pci_read32(ab, PCIE_SOC_GLOBAL_RESET);
368
369 val |= PCIE_SOC_GLOBAL_RESET_V;
370
371 ath11k_pci_write32(ab, PCIE_SOC_GLOBAL_RESET, val);
372
373 /* TODO: exact time to sleep is uncertain */
374 delay = 10;
375 mdelay(delay);
376
377 /* Need to toggle V bit back otherwise stuck in reset status */
378 val &= ~PCIE_SOC_GLOBAL_RESET_V;
379
380 ath11k_pci_write32(ab, PCIE_SOC_GLOBAL_RESET, val);
381
382 mdelay(delay);
383
384 val = ath11k_pci_read32(ab, PCIE_SOC_GLOBAL_RESET);
385 if (val == 0xffffffff)
386 ath11k_err(ab, "%s link down error\n", __func__);
387 }
388
> 389 void ath11k_pci_clear_dbg_registers(struct ath11k_base *ab)
390 {
391 u32 val;
392
393 /* read cookie */
394 val = ath11k_pci_read32(ab, PCIE_Q6_COOKIE_ADDR);
395 ath11k_dbg(ab, ATH11K_DBG_PCI, "cookie:0x%x\n", val);
396
397 val = ath11k_pci_read32(ab, WLAON_WARM_SW_ENTRY);
398 ath11k_dbg(ab, ATH11K_DBG_PCI, "WLAON_WARM_SW_ENTRY 0x%x\n", val);
399
400 /* TODO: exact time to sleep is uncertain */
401 mdelay(10);
402
403 /* write 0 to WLAON_WARM_SW_ENTRY to prevent Q6 from
404 * continuing warm path and entering dead loop.
405 */
406 ath11k_pci_write32(ab, WLAON_WARM_SW_ENTRY, 0);
407 mdelay(10);
408
409 val = ath11k_pci_read32(ab, WLAON_WARM_SW_ENTRY);
410 ath11k_dbg(ab, ATH11K_DBG_PCI, "WLAON_WARM_SW_ENTRY 0x%x\n", val);
411
412 /* A read clear register. clear the register to prevent
413 * Q6 from entering wrong code path.
414 */
415 val = ath11k_pci_read32(ab, WLAON_SOC_RESET_CAUSE_REG);
416 ath11k_dbg(ab, ATH11K_DBG_PCI, "soc reset cause:%d\n", val);
417 }
418
> 419 void ath11k_pci_force_wake(struct ath11k_base *ab)
420 {
421 ath11k_pci_write32(ab, PCIE_SOC_WAKE_PCIE_LOCAL_REG, 1);
422 mdelay(5);
423 }
424
> 425 void ath11k_pci_force_wake_release(struct ath11k_base *ab)
426 {
427 ath11k_pci_write32(ab, PCIE_SOC_WAKE_PCIE_LOCAL_REG, 0);
428 mdelay(5);
429 }
430
> 431 void ath11k_pci_sw_reset(struct ath11k_base *ab)
432 {
433 ath11k_pci_soc_global_reset(ab);
434 ath11k_mhi_clear_vector(ab);
435 ath11k_pci_soc_global_reset(ab);
436 ath11k_mhi_set_mhictrl_reset(ab);
437 ath11k_pci_clear_dbg_registers(ab);
438 }
439
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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2020-06-16 20:32 [ath6kl:ath11k-qca6390-bringup 67/67] drivers/net/wireless/ath/ath11k/pci.c:362:6: warning: no previous prototype for function 'ath11k_pci_soc_global_reset' kernel test robot
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