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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Arminder, https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Arminder-Singh/i2c-pasemi-Add-IRQ-support-for-Apple-Silicon/20220821-034703 base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next config: parisc-randconfig-m031-20220821 (https://download.01.org/0day-ci/archive/20220822/202208220231.f88sizqa-lkp@intel.com/config) compiler: hppa-linux-gcc (GCC) 12.1.0 If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot Reported-by: Dan Carpenter smatch warnings: drivers/i2c/busses/i2c-pasemi-core.c:92 pasemi_smb_waitready() error: uninitialized symbol 'status'. vim +/status +92 drivers/i2c/busses/i2c-pasemi-core.c 8032214346c0c8 drivers/i2c/busses/i2c-pasemi.c Julia Lawall 2010-09-05 80 static int pasemi_smb_waitready(struct pasemi_smbus *smbus) beb58aa39e6e5a drivers/i2c/busses/i2c-pasemi.c Olof Johansson 2007-02-13 81 { beb58aa39e6e5a drivers/i2c/busses/i2c-pasemi.c Olof Johansson 2007-02-13 82 int timeout = 10; beb58aa39e6e5a drivers/i2c/busses/i2c-pasemi.c Olof Johansson 2007-02-13 83 unsigned int status; 98584b2b51d808 drivers/i2c/busses/i2c-pasemi-core.c Arminder Singh 2022-08-20 84 unsigned int bitmask = SMSTA_XEN | SMSTA_MTN; beb58aa39e6e5a drivers/i2c/busses/i2c-pasemi.c Olof Johansson 2007-02-13 85 98584b2b51d808 drivers/i2c/busses/i2c-pasemi-core.c Arminder Singh 2022-08-20 86 if (smbus->use_irq) { 98584b2b51d808 drivers/i2c/busses/i2c-pasemi-core.c Arminder Singh 2022-08-20 87 reinit_completion(&smbus->irq_completion); 98584b2b51d808 drivers/i2c/busses/i2c-pasemi-core.c Arminder Singh 2022-08-20 88 reg_write(smbus, REG_IMASK, bitmask); 98584b2b51d808 drivers/i2c/busses/i2c-pasemi-core.c Arminder Singh 2022-08-20 89 wait_for_completion_timeout(&smbus->irq_completion, msecs_to_jiffies(10)); beb58aa39e6e5a drivers/i2c/busses/i2c-pasemi.c Olof Johansson 2007-02-13 90 status = reg_read(smbus, REG_SMSTA); 98584b2b51d808 drivers/i2c/busses/i2c-pasemi-core.c Arminder Singh 2022-08-20 91 } else { beb58aa39e6e5a drivers/i2c/busses/i2c-pasemi.c Olof Johansson 2007-02-13 @92 while (!(status & SMSTA_XEN) && timeout--) { "status" not intialized. beb58aa39e6e5a drivers/i2c/busses/i2c-pasemi.c Olof Johansson 2007-02-13 93 msleep(1); beb58aa39e6e5a drivers/i2c/busses/i2c-pasemi.c Olof Johansson 2007-02-13 94 status = reg_read(smbus, REG_SMSTA); beb58aa39e6e5a drivers/i2c/busses/i2c-pasemi.c Olof Johansson 2007-02-13 95 } 98584b2b51d808 drivers/i2c/busses/i2c-pasemi-core.c Arminder Singh 2022-08-20 96 } 98584b2b51d808 drivers/i2c/busses/i2c-pasemi-core.c Arminder Singh 2022-08-20 97 beb58aa39e6e5a drivers/i2c/busses/i2c-pasemi.c Olof Johansson 2007-02-13 98 be8a1f7cd4501c drivers/i2c/busses/i2c-pasemi.c Olof Johansson 2007-11-15 99 /* Got NACK? */ be8a1f7cd4501c drivers/i2c/busses/i2c-pasemi.c Olof Johansson 2007-11-15 100 if (status & SMSTA_MTN) be8a1f7cd4501c drivers/i2c/busses/i2c-pasemi.c Olof Johansson 2007-11-15 101 return -ENXIO; be8a1f7cd4501c drivers/i2c/busses/i2c-pasemi.c Olof Johansson 2007-11-15 102 beb58aa39e6e5a drivers/i2c/busses/i2c-pasemi.c Olof Johansson 2007-02-13 103 if (timeout < 0) { c06f50ed36cc0a drivers/i2c/busses/i2c-pasemi.c Sven Peter 2021-10-08 104 dev_warn(smbus->dev, "Timeout, status 0x%08x\n", status); beb58aa39e6e5a drivers/i2c/busses/i2c-pasemi.c Olof Johansson 2007-02-13 105 reg_write(smbus, REG_SMSTA, status); beb58aa39e6e5a drivers/i2c/busses/i2c-pasemi.c Olof Johansson 2007-02-13 106 return -ETIME; beb58aa39e6e5a drivers/i2c/busses/i2c-pasemi.c Olof Johansson 2007-02-13 107 } beb58aa39e6e5a drivers/i2c/busses/i2c-pasemi.c Olof Johansson 2007-02-13 108 beb58aa39e6e5a drivers/i2c/busses/i2c-pasemi.c Olof Johansson 2007-02-13 109 /* Clear XEN */ beb58aa39e6e5a drivers/i2c/busses/i2c-pasemi.c Olof Johansson 2007-02-13 110 reg_write(smbus, REG_SMSTA, SMSTA_XEN); beb58aa39e6e5a drivers/i2c/busses/i2c-pasemi.c Olof Johansson 2007-02-13 111 beb58aa39e6e5a drivers/i2c/busses/i2c-pasemi.c Olof Johansson 2007-02-13 112 return 0; beb58aa39e6e5a drivers/i2c/busses/i2c-pasemi.c Olof Johansson 2007-02-13 113 } -- 0-DAY CI Kernel Test Service https://01.org/lkp _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel