From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id CDDBACAC582 for ; Tue, 9 Sep 2025 17:22:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=FJ50PCPpp2RwZdOQyRBzIH6kvMEkAMR9JlVtavIuyiE=; b=Ip/fRpLITRf9wF U+4LlxfoPlTzZN+pwdB68A0PDargMiqgr3CqIp30dkZdhvd9wNQVH1wFLgNldv1mLCUjG8ulM97um 1vD10CLd19XJZvlwks5hGz++wmpIICuDU8iD23U+6VuPKCf5DHz+epbJho58cJOySq++5UZy9YiXy uhbjbe0MFURgbm5HwYvc8ogSXF192BEeY6LC8xZeiORPvAbo1fpk9JxUepDgiAPd+PRO0d8yLiAeU c/z+LkJQ0uG7Z+kPq+rlzyey9s+OGmWcUbl6H9UDau6tnojxPtIcH09sGzgJ3XrCFXtF3MBo4SUqN A30JpEV+0ZwKJcyCRtyw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uw22v-00000008zFd-3F5Y; Tue, 09 Sep 2025 17:22:21 +0000 Received: from mgamail.intel.com ([198.175.65.16]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uvzlc-00000007tuX-04uA for linux-i3c@lists.infradead.org; Tue, 09 Sep 2025 14:56:21 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1757429780; x=1788965780; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=OUiEyXGSue/Qc0yE11k9Ns0FoQt2oacvNvUxDFL/e5E=; b=biytzwekk7Qcr/g941tbBYbdYnK8TSXPSY5NFlHTrXXp3oHM7vaupFtU cykkkxmDoiaBPCQerRuco828sywex6up4zAT5v20GWpYVXb5Ue9FhkCu0 l94S81rR93ZJLlStufWRWfF1iuh1RV3GObi43Gh/SVTbhAggzuO00TyXq aAljO7iPoZYb10dXQzyNYvsBR5GgyGVjFVtJg0Yi44Eb5KUW8MTNtLaYo ucpD/DFX68LqRG4T8X8KRbv/ugONcEuPQoOwhvKO+HB48h0pIi3dYRKqp OFw6ajW9sWXgW/oojBgd8+GgR72/psrbwldTqFFLV/T498R2xWd4Jk776 w==; X-CSE-ConnectionGUID: ChUVMN3BQIOgGltBuDqGkA== X-CSE-MsgGUID: 9mnmkg4iQ8qLhUAwyDx6ag== X-IronPort-AV: E=McAfee;i="6800,10657,11548"; a="59862606" X-IronPort-AV: E=Sophos;i="6.18,251,1751266800"; d="scan'208";a="59862606" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by orvoesa108.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Sep 2025 07:56:16 -0700 X-CSE-ConnectionGUID: MZ6qQ+1FTt+tZ2SdU+KwyQ== X-CSE-MsgGUID: LchPTtfYR7WBuVhwCI8EuA== X-ExtLoop1: 1 Received: from lkp-server01.sh.intel.com (HELO 114d98da2b6c) ([10.239.97.150]) by fmviesa003.fm.intel.com with ESMTP; 09 Sep 2025 07:56:12 -0700 Received: from kbuild by 114d98da2b6c with local (Exim 4.96) (envelope-from ) id 1uvzlR-0004xT-2N; Tue, 09 Sep 2025 14:56:09 +0000 Date: Tue, 9 Sep 2025 22:55:38 +0800 From: kernel test robot To: Manikanta Guntupalli , git@amd.com, michal.simek@amd.com, alexandre.belloni@bootlin.com, Frank.Li@nxp.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, kees@kernel.org, gustavoars@kernel.org, jarkko.nikula@linux.intel.com, linux-i3c@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org Cc: oe-kbuild-all@lists.linux.dev, radhey.shyam.pandey@amd.com, srinivas.goud@amd.com, shubhrajyoti.datta@amd.com, manion05gk@gmail.com, Manikanta Guntupalli Subject: Re: [PATCH V5 2/2] i3c: master: Add AMD I3C bus controller driver Message-ID: <202509092248.xJvRASTq-lkp@intel.com> References: <20250908112117.205270-3-manikanta.guntupalli@amd.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20250908112117.205270-3-manikanta.guntupalli@amd.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250909_075620_131696_DB042630 X-CRM114-Status: GOOD ( 13.49 ) X-BeenThere: linux-i3c@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-i3c" Errors-To: linux-i3c-bounces+linux-i3c=archiver.kernel.org@lists.infradead.org Hi Manikanta, kernel test robot noticed the following build warnings: [auto build test WARNING on robh/for-next] [also build test WARNING on linus/master v6.17-rc5 next-20250909] [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/Manikanta-Guntupalli/dt-bindings-i3c-Add-AMD-I3C-master-controller-support/20250908-192455 base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next patch link: https://lore.kernel.org/r/20250908112117.205270-3-manikanta.guntupalli%40amd.com patch subject: [PATCH V5 2/2] i3c: master: Add AMD I3C bus controller driver config: sh-randconfig-r113-20250909 (https://download.01.org/0day-ci/archive/20250909/202509092248.xJvRASTq-lkp@intel.com/config) compiler: sh4-linux-gcc (GCC) 10.5.0 reproduce: (https://download.01.org/0day-ci/archive/20250909/202509092248.xJvRASTq-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202509092248.xJvRASTq-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> drivers/i3c/master/amd-i3c-master.c:559:68: sparse: sparse: dubious: x | !y drivers/i3c/master/amd-i3c-master.c:427:13: sparse: sparse: context imbalance in 'xi3c_master_dequeue_xfer' - wrong count at exit drivers/i3c/master/amd-i3c-master.c:601:9: sparse: sparse: context imbalance in 'xi3c_master_do_daa' - different lock contexts for basic block drivers/i3c/master/amd-i3c-master.c:644:12: sparse: sparse: context imbalance in 'xi3c_master_send_bdcast_ccc_cmd' - wrong count at exit drivers/i3c/master/amd-i3c-master.c:680:12: sparse: sparse: context imbalance in 'xi3c_master_send_direct_ccc_cmd' - wrong count at exit drivers/i3c/master/amd-i3c-master.c:733:12: sparse: sparse: context imbalance in 'xi3c_master_priv_xfers' - wrong count at exit drivers/i3c/master/amd-i3c-master.c:773:12: sparse: sparse: context imbalance in 'xi3c_master_i2c_xfers' - wrong count at exit drivers/i3c/master/amd-i3c-master.c:926:65: sparse: sparse: shift too big (32) for type unsigned long vim +559 drivers/i3c/master/amd-i3c-master.c 499 500 static int xi3c_master_do_daa(struct i3c_master_controller *m) 501 { 502 struct xi3c_master *master = to_xi3c_master(m); 503 struct xi3c_cmd *daa_cmd; 504 struct xi3c_xfer *xfer; 505 u8 pid_bufs[XI3C_MAX_DEVS][8]; 506 u8 data, last_addr = 0; 507 int addr, ret, i; 508 u8 *pid_buf; 509 510 u64 *pid_bcr_dcr __free(kfree) = kcalloc(XI3C_MAX_DEVS, sizeof(u64), 511 GFP_KERNEL); 512 if (!pid_bcr_dcr) 513 return -ENOMEM; 514 515 xfer = xi3c_master_alloc_xfer(master, 1); 516 if (!xfer) { 517 ret = -ENOMEM; 518 goto err_daa_mem; 519 } 520 521 for (i = 0; i < XI3C_MAX_DEVS; i++) { 522 addr = i3c_master_get_free_addr(m, last_addr + 1); 523 if (addr < 0) { 524 ret = -ENOSPC; 525 goto err_daa; 526 } 527 master->daa.addrs[i] = (u8)addr; 528 last_addr = (u8)addr; 529 } 530 531 /* Fill ENTDAA CCC */ 532 data = I3C_CCC_ENTDAA; 533 daa_cmd = &xfer->cmds[0]; 534 daa_cmd->addr = I3C_BROADCAST_ADDR; 535 daa_cmd->rnw = 0; 536 daa_cmd->tx_buf = &data; 537 daa_cmd->tx_len = 1; 538 daa_cmd->type = XI3C_SDR_MODE; 539 daa_cmd->tid = XI3C_SDR_TID; 540 daa_cmd->continued = true; 541 542 ret = xi3c_master_common_xfer(master, xfer); 543 /* DAA always finishes with CE2_ERROR or NACK_RESP */ 544 if (ret && ret != I3C_ERROR_M2) { 545 goto err_daa; 546 } else { 547 if (ret && ret == I3C_ERROR_M2) { 548 ret = 0; 549 goto err_daa; 550 } 551 } 552 553 master->daa.index = 0; 554 555 while (true) { 556 struct xi3c_cmd *cmd = &xfer->cmds[0]; 557 558 pid_buf = pid_bufs[master->daa.index]; > 559 addr = (master->daa.addrs[master->daa.index] << 1) | 560 (!parity8(master->daa.addrs[master->daa.index])); 561 562 cmd->tx_buf = (u8 *)&addr; 563 cmd->tx_len = 1; 564 cmd->addr = I3C_BROADCAST_ADDR; 565 cmd->rnw = 1; 566 cmd->rx_buf = pid_buf; 567 cmd->rx_len = XI3C_DAA_SLAVEINFO_READ_BYTECOUNT; 568 cmd->is_daa = true; 569 cmd->type = XI3C_SDR_MODE; 570 cmd->tid = XI3C_SDR_TID; 571 cmd->continued = true; 572 573 ret = xi3c_master_common_xfer(master, xfer); 574 575 /* DAA always finishes with CE2_ERROR or NACK_RESP */ 576 if (ret && ret != I3C_ERROR_M2) { 577 goto err_daa; 578 } else { 579 if (ret && ret == I3C_ERROR_M2) { 580 xi3c_master_resume(master); 581 master->daa.index--; 582 ret = 0; 583 break; 584 } 585 } 586 } 587 588 kfree(xfer); 589 590 for (i = 0; i < master->daa.index; i++) { 591 i3c_master_add_i3c_dev_locked(m, master->daa.addrs[i]); 592 593 pid_bcr_dcr[i] = FIELD_GET(XI3C_PID_MASK, 594 get_unaligned_be64(pid_bufs[i])); 595 dev_info(master->dev, "Client %d: PID: 0x%llx\n", i, pid_bcr_dcr[i]); 596 } 597 598 return 0; 599 600 err_daa: 601 kfree(xfer); 602 err_daa_mem: 603 xi3c_master_reinit(master); 604 return ret; 605 } 606 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki -- linux-i3c mailing list linux-i3c@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-i3c