Hi Jarkko, I love your patch! Yet something to improve: [auto build test ERROR on jss-tpmdd/next] [also build test ERROR on v5.0-rc4 next-20190204] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Jarkko-Sakkinen/tpm-st33zp24-Fix-the-name-collisions-in-tpm_st33zp24_spi-and-tpm_i2c_infineon/20190205-150003 base: git://git.infradead.org/users/jjs/linux-tpmdd next config: nds32-allyesconfig (attached as .config) compiler: nds32le-linux-gcc (GCC) 6.4.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=6.4.0 make.cross ARCH=nds32 All errors (new ones prefixed by >>): drivers/char/tpm/tpm_i2c_infineon.c: In function 'tpm_tis_i2c_send': >> drivers/char/tpm/tpm_i2c_infineon.c:531:12: error: 'TPM_I2C_INFINEON_BUFSIZE' undeclared (first use in this function) if (len > TPM_I2C_INFINEON_BUFSIZE) ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/char/tpm/tpm_i2c_infineon.c:531:12: note: each undeclared identifier is reported only once for each function it appears in vim +/TPM_I2C_INFINEON_BUFSIZE +531 drivers/char/tpm/tpm_i2c_infineon.c 522 523 static int tpm_tis_i2c_send(struct tpm_chip *chip, u8 *buf, size_t len) 524 { 525 int rc, status; 526 ssize_t burstcnt; 527 size_t count = 0; 528 u8 retries = 0; 529 u8 sts = TPM_STS_GO; 530 > 531 if (len > TPM_I2C_INFINEON_BUFSIZE) 532 return -E2BIG; 533 534 if (request_locality(chip, 0) < 0) 535 return -EBUSY; 536 537 status = tpm_tis_i2c_status(chip); 538 if ((status & TPM_STS_COMMAND_READY) == 0) { 539 tpm_tis_i2c_ready(chip); 540 if (wait_for_stat 541 (chip, TPM_STS_COMMAND_READY, 542 chip->timeout_b, &status) < 0) { 543 rc = -ETIME; 544 goto out_err; 545 } 546 } 547 548 while (count < len - 1) { 549 burstcnt = get_burstcount(chip); 550 551 /* burstcnt < 0 = TPM is busy */ 552 if (burstcnt < 0) 553 return burstcnt; 554 555 if (burstcnt > (len - 1 - count)) 556 burstcnt = len - 1 - count; 557 558 rc = iic_tpm_write(TPM_DATA_FIFO(tpm_dev.locality), 559 &(buf[count]), burstcnt); 560 if (rc == 0) 561 count += burstcnt; 562 else if (rc < 0) 563 retries++; 564 565 /* avoid endless loop in case of broken HW */ 566 if (retries > MAX_COUNT_LONG) { 567 rc = -EIO; 568 goto out_err; 569 } 570 571 wait_for_stat(chip, TPM_STS_VALID, 572 chip->timeout_c, &status); 573 574 if ((status & TPM_STS_DATA_EXPECT) == 0) { 575 rc = -EIO; 576 goto out_err; 577 } 578 } 579 580 /* write last byte */ 581 iic_tpm_write(TPM_DATA_FIFO(tpm_dev.locality), &(buf[count]), 1); 582 wait_for_stat(chip, TPM_STS_VALID, chip->timeout_c, &status); 583 if ((status & TPM_STS_DATA_EXPECT) != 0) { 584 rc = -EIO; 585 goto out_err; 586 } 587 588 /* go and do it */ 589 iic_tpm_write(TPM_STS(tpm_dev.locality), &sts, 1); 590 591 return len; 592 out_err: 593 tpm_tis_i2c_ready(chip); 594 /* The TPM needs some time to clean up here, 595 * so we sleep rather than keeping the bus busy 596 */ 597 usleep_range(SLEEP_DURATION_RESET_LOW, SLEEP_DURATION_RESET_HI); 598 release_locality(chip, tpm_dev.locality, 0); 599 return rc; 600 } 601 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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