[PATCH 7/8] PCI: rockchip: Fixed legacy IRQ generation for endpoint
kernel test robot
lkp at intel.com
Sat Jan 28 01:19:08 PST 2023
Hi Rick,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on rockchip/for-next]
[also build test WARNING on linus/master v6.2-rc5 next-20230127]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Rick-Wertenbroek/PCI-rockchip-Removed-writes-to-unused-registers/20230128-155300
base: https://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip.git for-next
patch link: https://lore.kernel.org/r/20230126135049.708524-8-rick.wertenbroek%40gmail.com
patch subject: [PATCH 7/8] PCI: rockchip: Fixed legacy IRQ generation for endpoint
config: ia64-allyesconfig (https://download.01.org/0day-ci/archive/20230128/202301281758.YRZrsGZ9-lkp@intel.com/config)
compiler: ia64-linux-gcc (GCC) 12.1.0
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
# https://github.com/intel-lab-lkp/linux/commit/53e861f3393ad4ebae5f2e133f4783b919036e19
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Rick-Wertenbroek/PCI-rockchip-Removed-writes-to-unused-registers/20230128-155300
git checkout 53e861f3393ad4ebae5f2e133f4783b919036e19
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=ia64 olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=ia64 SHELL=/bin/bash drivers/pci/controller/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp at intel.com>
All warnings (new ones prefixed by >>):
drivers/pci/controller/pcie-rockchip-ep.c: In function 'rockchip_pcie_ep_assert_intx':
>> drivers/pci/controller/pcie-rockchip-ep.c:334:12: warning: variable 'msg_code' set but not used [-Wunused-but-set-variable]
334 | u8 msg_code;
| ^~~~~~~~
drivers/pci/controller/pcie-rockchip-ep.c:333:13: warning: unused variable 'status' [-Wunused-variable]
333 | u32 status;
| ^~~~~~
drivers/pci/controller/pcie-rockchip-ep.c:332:13: warning: unused variable 'offset' [-Wunused-variable]
332 | u32 offset;
| ^~~~~~
drivers/pci/controller/pcie-rockchip-ep.c:331:13: warning: unused variable 'r' [-Wunused-variable]
331 | u32 r = ep->max_regions - 1;
| ^
drivers/pci/controller/pcie-rockchip-ep.c:330:31: warning: unused variable 'rockchip' [-Wunused-variable]
330 | struct rockchip_pcie *rockchip = &ep->rockchip;
| ^~~~~~~~
drivers/pci/controller/pcie-rockchip-ep.c: In function 'rockchip_pcie_ep_probe':
drivers/pci/controller/pcie-rockchip-ep.c:538:13: warning: unused variable 'cfg' [-Wunused-variable]
538 | u32 cfg;
| ^~~
vim +/msg_code +334 drivers/pci/controller/pcie-rockchip-ep.c
cf590b07839133 drivers/pci/host/pcie-rockchip-ep.c Shawn Lin 2018-05-09 326
cf590b07839133 drivers/pci/host/pcie-rockchip-ep.c Shawn Lin 2018-05-09 327 static void rockchip_pcie_ep_assert_intx(struct rockchip_pcie_ep *ep, u8 fn,
cf590b07839133 drivers/pci/host/pcie-rockchip-ep.c Shawn Lin 2018-05-09 328 u8 intx, bool is_asserted)
cf590b07839133 drivers/pci/host/pcie-rockchip-ep.c Shawn Lin 2018-05-09 329 {
cf590b07839133 drivers/pci/host/pcie-rockchip-ep.c Shawn Lin 2018-05-09 330 struct rockchip_pcie *rockchip = &ep->rockchip;
cf590b07839133 drivers/pci/host/pcie-rockchip-ep.c Shawn Lin 2018-05-09 331 u32 r = ep->max_regions - 1;
cf590b07839133 drivers/pci/host/pcie-rockchip-ep.c Shawn Lin 2018-05-09 332 u32 offset;
c577f4a5a08bb9 drivers/pci/controller/pcie-rockchip-ep.c Colin Ian King 2019-03-30 333 u32 status;
cf590b07839133 drivers/pci/host/pcie-rockchip-ep.c Shawn Lin 2018-05-09 @334 u8 msg_code;
cf590b07839133 drivers/pci/host/pcie-rockchip-ep.c Shawn Lin 2018-05-09 335
cf590b07839133 drivers/pci/host/pcie-rockchip-ep.c Shawn Lin 2018-05-09 336 intx &= 3;
cf590b07839133 drivers/pci/host/pcie-rockchip-ep.c Shawn Lin 2018-05-09 337 if (is_asserted) {
cf590b07839133 drivers/pci/host/pcie-rockchip-ep.c Shawn Lin 2018-05-09 338 ep->irq_pending |= BIT(intx);
cf590b07839133 drivers/pci/host/pcie-rockchip-ep.c Shawn Lin 2018-05-09 339 msg_code = ROCKCHIP_PCIE_MSG_CODE_ASSERT_INTA + intx;
cf590b07839133 drivers/pci/host/pcie-rockchip-ep.c Shawn Lin 2018-05-09 340 } else {
cf590b07839133 drivers/pci/host/pcie-rockchip-ep.c Shawn Lin 2018-05-09 341 ep->irq_pending &= ~BIT(intx);
cf590b07839133 drivers/pci/host/pcie-rockchip-ep.c Shawn Lin 2018-05-09 342 msg_code = ROCKCHIP_PCIE_MSG_CODE_DEASSERT_INTA + intx;
cf590b07839133 drivers/pci/host/pcie-rockchip-ep.c Shawn Lin 2018-05-09 343 }
cf590b07839133 drivers/pci/host/pcie-rockchip-ep.c Shawn Lin 2018-05-09 344
53e861f3393ad4 drivers/pci/controller/pcie-rockchip-ep.c Rick Wertenbroek 2023-01-26 345 if (is_asserted) {
53e861f3393ad4 drivers/pci/controller/pcie-rockchip-ep.c Rick Wertenbroek 2023-01-26 346 rockchip_pcie_write(&ep->rockchip,
53e861f3393ad4 drivers/pci/controller/pcie-rockchip-ep.c Rick Wertenbroek 2023-01-26 347 PCIE_CLIENT_INT_IN_ASSERT | PCIE_CLIENT_INT_PEND_ST_PEND,
53e861f3393ad4 drivers/pci/controller/pcie-rockchip-ep.c Rick Wertenbroek 2023-01-26 348 PCIE_CLIENT_LEGACY_INT_CTRL);
53e861f3393ad4 drivers/pci/controller/pcie-rockchip-ep.c Rick Wertenbroek 2023-01-26 349 } else {
53e861f3393ad4 drivers/pci/controller/pcie-rockchip-ep.c Rick Wertenbroek 2023-01-26 350 rockchip_pcie_write(&ep->rockchip,
53e861f3393ad4 drivers/pci/controller/pcie-rockchip-ep.c Rick Wertenbroek 2023-01-26 351 PCIE_CLIENT_INT_IN_DEASSERT | PCIE_CLIENT_INT_PEND_ST_NORMAL,
53e861f3393ad4 drivers/pci/controller/pcie-rockchip-ep.c Rick Wertenbroek 2023-01-26 352 PCIE_CLIENT_LEGACY_INT_CTRL);
cf590b07839133 drivers/pci/host/pcie-rockchip-ep.c Shawn Lin 2018-05-09 353 }
cf590b07839133 drivers/pci/host/pcie-rockchip-ep.c Shawn Lin 2018-05-09 354 }
cf590b07839133 drivers/pci/host/pcie-rockchip-ep.c Shawn Lin 2018-05-09 355
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