From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.11]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9D8A5390218 for ; Wed, 1 Jul 2026 06:05:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782885951; cv=none; b=msv+SJ1mYNNtBo1mtrmaBrVV6EVg1KNN7vJmB9QSOLngkhmpsU0bU0TbATchkS/QjAHnASG7FeqPgDmojimL/Z+ZMSSjjje+0yuRqloXv1bACTLpZl4jWcuRlxeCz0Z4W2ecOrdYDVI8bmqhIvpQhNeH9N9ZFGCPAyj6rFK9R8I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782885951; c=relaxed/simple; bh=bFRRKsDGUyshaOh8Hp0rFB3obPe6HbBKz0nuDCdpDmE=; h=Date:From:To:Cc:Subject:Message-ID; b=gSjUikmyAZUy3cAqNqPndZCwBWSR3/aOTxT5nYWyz8vxH6GG+2vm9G76JGBTR/FD80HEtUKpSa7uonBgYId1ipHD5SlrqdsFu3K7cLvhfyrY9rEuIb/0/gEDZvXYsn66PJYMjjPb+W6doQiq87ar4hYM7XQicgGs1Lu/7JtaY1E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=aduHs2lK; arc=none smtp.client-ip=198.175.65.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="aduHs2lK" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1782885947; x=1814421947; h=date:from:to:cc:subject:message-id; bh=bFRRKsDGUyshaOh8Hp0rFB3obPe6HbBKz0nuDCdpDmE=; b=aduHs2lKsHAsNUd7SSt8F6tmni9+gUWVGqVNGoYKX4IauPVCjyXl606N YOrtmY33MMvT0sOOramtFSrtXpnGWC8CxIspmcXS/DZvo3e+XXRIBqEd5 MRypHOquI/T5NYkAQaQa12vTflC3VXUQbuRJDbZY6omQUKbo7kHXJiZvJ DDkyWW+J8197lygDfD3a45r1dzSPuawmFinllE+C+kZUIs6bME9+mlg2I fNRFrkZZ2ZNfLr0IeVXv9YgN69Q6Rjvrc8SLasFHKxY/maS9T/maJKPsC W0oKYF7qDP5W7WtTBhvMwX8bCEbvP/RfmGBzdN3mg6SxnZA1lx0guU1wU Q==; X-CSE-ConnectionGUID: ibNf2SZORViNQvyc3gVntg== X-CSE-MsgGUID: fM3KvVgMQp6fXQ/w+2/J+Q== X-IronPort-AV: E=McAfee;i="6800,10657,11833"; a="93964245" X-IronPort-AV: E=Sophos;i="6.24,235,1774335600"; d="scan'208";a="93964245" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by orvoesa103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Jun 2026 23:05:47 -0700 X-CSE-ConnectionGUID: MA6hFpTTR5qFmWK6THtECA== X-CSE-MsgGUID: AdsjOULoRTaTudH9g/hxDQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.24,235,1774335600"; d="scan'208";a="256047144" Received: from lkp-server02.sh.intel.com (HELO ea128546eb3d) ([10.239.97.151]) by orviesa003.jf.intel.com with ESMTP; 30 Jun 2026 23:05:44 -0700 Received: from kbuild by ea128546eb3d with local (Exim 4.98.2) (envelope-from ) id 1weo4f-000000008z5-3Z5d; Wed, 01 Jul 2026 06:05:33 +0000 Date: Wed, 01 Jul 2026 14:05:03 +0800 From: kernel test robot To: Arnd Bergmann Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, "Martin K. Petersen" , Johannes Thumshirn Subject: drivers/scsi/advansys.c:4261:9: sparse: sparse: incorrect type in assignment (different base types) Message-ID: <202607011327.MoJQL8RK-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 665159e246749578d4e4bfe106ee3b74edcdab18 commit: c7233b3d99db9760daf07c4e95daa9675c6c0cba scsi: advansys: Drop ISA_DMA_API remnants date: 9 weeks ago config: m68k-randconfig-r132-20260701 (https://download.01.org/0day-ci/archive/20260701/202607011327.MoJQL8RK-lkp@intel.com/config) compiler: m68k-linux-gcc (GCC) 9.5.0 sparse: v0.6.5-rc1 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260701/202607011327.MoJQL8RK-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 | Fixes: c7233b3d99db ("scsi: advansys: Drop ISA_DMA_API remnants") | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202607011327.MoJQL8RK-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) drivers/scsi/advansys.c:4261:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4261:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4261:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4261:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4261:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4261:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4261:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4261:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4261:9: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short [usertype] val @@ got restricted __le16 [usertype] @@ drivers/scsi/advansys.c:4261:9: sparse: expected unsigned short [usertype] val drivers/scsi/advansys.c:4261:9: sparse: got restricted __le16 [usertype] drivers/scsi/advansys.c:4261:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4261:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4261:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4261:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4261:9: sparse: sparse: cast from restricted __le16 drivers/scsi/advansys.c:4261:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4261:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4261:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4261:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4261:9: sparse: sparse: cast from restricted __le16 drivers/scsi/advansys.c:4261:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4261:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4261:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4261:9: sparse: sparse: restricted __le32 degrades to integer >> drivers/scsi/advansys.c:4261:9: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned short volatile [usertype] @@ got restricted __le16 [usertype] @@ drivers/scsi/advansys.c:4261:9: sparse: expected unsigned short volatile [usertype] drivers/scsi/advansys.c:4261:9: sparse: got restricted __le16 [usertype] drivers/scsi/advansys.c:4261:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4261:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4261:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4261:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4261:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4261:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4261:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4261:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4261:9: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short [usertype] val @@ got restricted __le16 [usertype] @@ drivers/scsi/advansys.c:4261:9: sparse: expected unsigned short [usertype] val drivers/scsi/advansys.c:4261:9: sparse: got restricted __le16 [usertype] drivers/scsi/advansys.c:4261:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4261:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4261:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4261:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4261:9: sparse: sparse: cast from restricted __le16 drivers/scsi/advansys.c:4261:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4261:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4261:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4261:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4261:9: sparse: sparse: cast from restricted __le16 drivers/scsi/advansys.c:4261:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4261:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4261:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4261:9: sparse: sparse: restricted __le32 degrades to integer >> drivers/scsi/advansys.c:4261:9: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned short volatile [usertype] @@ got restricted __le16 [usertype] @@ drivers/scsi/advansys.c:4261:9: sparse: expected unsigned short volatile [usertype] drivers/scsi/advansys.c:4261:9: sparse: got restricted __le16 [usertype] drivers/scsi/advansys.c:4719:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4719:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4719:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4719:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4719:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4719:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4719:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4719:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4719:9: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short [usertype] val @@ got restricted __le16 [usertype] @@ drivers/scsi/advansys.c:4719:9: sparse: expected unsigned short [usertype] val drivers/scsi/advansys.c:4719:9: sparse: got restricted __le16 [usertype] drivers/scsi/advansys.c:4719:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4719:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4719:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4719:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4719:9: sparse: sparse: cast from restricted __le16 drivers/scsi/advansys.c:4719:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4719:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4719:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4719:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4719:9: sparse: sparse: cast from restricted __le16 drivers/scsi/advansys.c:4719:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4719:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4719:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4719:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4719:9: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned short volatile [usertype] @@ got restricted __le16 [usertype] @@ drivers/scsi/advansys.c:4719:9: sparse: expected unsigned short volatile [usertype] drivers/scsi/advansys.c:4719:9: sparse: got restricted __le16 [usertype] drivers/scsi/advansys.c:4719:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4719:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4719:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4719:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4719:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4719:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4719:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4719:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4719:9: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short [usertype] val @@ got restricted __le16 [usertype] @@ drivers/scsi/advansys.c:4719:9: sparse: expected unsigned short [usertype] val drivers/scsi/advansys.c:4719:9: sparse: got restricted __le16 [usertype] drivers/scsi/advansys.c:4719:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4719:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4719:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4719:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4719:9: sparse: sparse: cast from restricted __le16 drivers/scsi/advansys.c:4719:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4719:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4719:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4719:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4719:9: sparse: sparse: cast from restricted __le16 drivers/scsi/advansys.c:4719:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4719:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4719:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4719:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4719:9: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned short volatile [usertype] @@ got restricted __le16 [usertype] @@ drivers/scsi/advansys.c:4719:9: sparse: expected unsigned short volatile [usertype] drivers/scsi/advansys.c:4719:9: sparse: got restricted __le16 [usertype] drivers/scsi/advansys.c:4733:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4733:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4733:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4733:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4733:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4733:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4733:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4733:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4733:9: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short [usertype] val @@ got restricted __le16 [usertype] @@ drivers/scsi/advansys.c:4733:9: sparse: expected unsigned short [usertype] val drivers/scsi/advansys.c:4733:9: sparse: got restricted __le16 [usertype] drivers/scsi/advansys.c:4733:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4733:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4733:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4733:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4733:9: sparse: sparse: cast from restricted __le16 drivers/scsi/advansys.c:4733:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4733:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4733:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4733:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4733:9: sparse: sparse: cast from restricted __le16 drivers/scsi/advansys.c:4733:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4733:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4733:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4733:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4733:9: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned short volatile [usertype] @@ got restricted __le16 [usertype] @@ drivers/scsi/advansys.c:4733:9: sparse: expected unsigned short volatile [usertype] drivers/scsi/advansys.c:4733:9: sparse: got restricted __le16 [usertype] drivers/scsi/advansys.c:4733:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4733:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4733:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4733:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4733:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4733:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4733:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4733:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4733:9: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned short [usertype] val @@ got restricted __le16 [usertype] @@ drivers/scsi/advansys.c:4733:9: sparse: expected unsigned short [usertype] val drivers/scsi/advansys.c:4733:9: sparse: got restricted __le16 [usertype] drivers/scsi/advansys.c:4733:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4733:9: sparse: sparse: restricted __le32 degrades to integer drivers/scsi/advansys.c:4733:9: sparse: sparse: restricted __le32 degrades to integer vim +4261 drivers/scsi/advansys.c 4b47e464510c52 Hannes Reinecke 2015-04-24 4224 512193588db0d3 Matthew Wilcox 2007-10-02 4225 /* 512193588db0d3 Matthew Wilcox 2007-10-02 4226 * Send an idle command to the chip and wait for completion. 512193588db0d3 Matthew Wilcox 2007-10-02 4227 * 512193588db0d3 Matthew Wilcox 2007-10-02 4228 * Command completion is polled for once per microsecond. 512193588db0d3 Matthew Wilcox 2007-10-02 4229 * 512193588db0d3 Matthew Wilcox 2007-10-02 4230 * The function can be called from anywhere including an interrupt handler. 512193588db0d3 Matthew Wilcox 2007-10-02 4231 * But the function is not re-entrant, so it uses the DvcEnter/LeaveCritical() 512193588db0d3 Matthew Wilcox 2007-10-02 4232 * functions to prevent reentrancy. 512193588db0d3 Matthew Wilcox 2007-10-02 4233 * 512193588db0d3 Matthew Wilcox 2007-10-02 4234 * Return Values: 512193588db0d3 Matthew Wilcox 2007-10-02 4235 * ADV_TRUE - command completed successfully 512193588db0d3 Matthew Wilcox 2007-10-02 4236 * ADV_FALSE - command failed 512193588db0d3 Matthew Wilcox 2007-10-02 4237 * ADV_ERROR - command timed out 512193588db0d3 Matthew Wilcox 2007-10-02 4238 */ 512193588db0d3 Matthew Wilcox 2007-10-02 4239 static int 512193588db0d3 Matthew Wilcox 2007-10-02 4240 AdvSendIdleCmd(ADV_DVC_VAR *asc_dvc, 95cfab6c11180f Hannes Reinecke 2015-04-24 4241 ushort idle_cmd, u32 idle_cmd_parameter) 512193588db0d3 Matthew Wilcox 2007-10-02 4242 { 95cfab6c11180f Hannes Reinecke 2015-04-24 4243 int result, i, j; 512193588db0d3 Matthew Wilcox 2007-10-02 4244 AdvPortAddr iop_base; 512193588db0d3 Matthew Wilcox 2007-10-02 4245 512193588db0d3 Matthew Wilcox 2007-10-02 4246 iop_base = asc_dvc->iop_base; 512193588db0d3 Matthew Wilcox 2007-10-02 4247 512193588db0d3 Matthew Wilcox 2007-10-02 4248 /* 512193588db0d3 Matthew Wilcox 2007-10-02 4249 * Clear the idle command status which is set by the microcode 512193588db0d3 Matthew Wilcox 2007-10-02 4250 * to a non-zero value to indicate when the command is completed. 512193588db0d3 Matthew Wilcox 2007-10-02 4251 * The non-zero result is one of the IDLE_CMD_STATUS_* values 512193588db0d3 Matthew Wilcox 2007-10-02 4252 */ 512193588db0d3 Matthew Wilcox 2007-10-02 4253 AdvWriteWordLram(iop_base, ASC_MC_IDLE_CMD_STATUS, (ushort)0); 512193588db0d3 Matthew Wilcox 2007-10-02 4254 512193588db0d3 Matthew Wilcox 2007-10-02 4255 /* 512193588db0d3 Matthew Wilcox 2007-10-02 4256 * Write the idle command value after the idle command parameter 512193588db0d3 Matthew Wilcox 2007-10-02 4257 * has been written to avoid a race condition. If the order is not 512193588db0d3 Matthew Wilcox 2007-10-02 4258 * followed, the microcode may process the idle command before the 512193588db0d3 Matthew Wilcox 2007-10-02 4259 * parameters have been written to LRAM. 512193588db0d3 Matthew Wilcox 2007-10-02 4260 */ 512193588db0d3 Matthew Wilcox 2007-10-02 @4261 AdvWriteDWordLramNoSwap(iop_base, ASC_MC_IDLE_CMD_PARAMETER, 512193588db0d3 Matthew Wilcox 2007-10-02 4262 cpu_to_le32(idle_cmd_parameter)); 512193588db0d3 Matthew Wilcox 2007-10-02 4263 AdvWriteWordLram(iop_base, ASC_MC_IDLE_CMD, idle_cmd); 512193588db0d3 Matthew Wilcox 2007-10-02 4264 512193588db0d3 Matthew Wilcox 2007-10-02 4265 /* 512193588db0d3 Matthew Wilcox 2007-10-02 4266 * Tickle the RISC to tell it to process the idle command. 512193588db0d3 Matthew Wilcox 2007-10-02 4267 */ 512193588db0d3 Matthew Wilcox 2007-10-02 4268 AdvWriteByteRegister(iop_base, IOPB_TICKLE, ADV_TICKLE_B); 512193588db0d3 Matthew Wilcox 2007-10-02 4269 if (asc_dvc->chip_type == ADV_CHIP_ASC3550) { 512193588db0d3 Matthew Wilcox 2007-10-02 4270 /* 512193588db0d3 Matthew Wilcox 2007-10-02 4271 * Clear the tickle value. In the ASC-3550 the RISC flag 512193588db0d3 Matthew Wilcox 2007-10-02 4272 * command 'clr_tickle_b' does not work unless the host 512193588db0d3 Matthew Wilcox 2007-10-02 4273 * value is cleared. 512193588db0d3 Matthew Wilcox 2007-10-02 4274 */ 512193588db0d3 Matthew Wilcox 2007-10-02 4275 AdvWriteByteRegister(iop_base, IOPB_TICKLE, ADV_TICKLE_NOP); 512193588db0d3 Matthew Wilcox 2007-10-02 4276 } 512193588db0d3 Matthew Wilcox 2007-10-02 4277 512193588db0d3 Matthew Wilcox 2007-10-02 4278 /* Wait for up to 100 millisecond for the idle command to timeout. */ 512193588db0d3 Matthew Wilcox 2007-10-02 4279 for (i = 0; i < SCSI_WAIT_100_MSEC; i++) { 512193588db0d3 Matthew Wilcox 2007-10-02 4280 /* Poll once each microsecond for command completion. */ 512193588db0d3 Matthew Wilcox 2007-10-02 4281 for (j = 0; j < SCSI_US_PER_MSEC; j++) { 512193588db0d3 Matthew Wilcox 2007-10-02 4282 AdvReadWordLram(iop_base, ASC_MC_IDLE_CMD_STATUS, 512193588db0d3 Matthew Wilcox 2007-10-02 4283 result); 512193588db0d3 Matthew Wilcox 2007-10-02 4284 if (result != 0) 512193588db0d3 Matthew Wilcox 2007-10-02 4285 return result; 512193588db0d3 Matthew Wilcox 2007-10-02 4286 udelay(1); 512193588db0d3 Matthew Wilcox 2007-10-02 4287 } 512193588db0d3 Matthew Wilcox 2007-10-02 4288 } 512193588db0d3 Matthew Wilcox 2007-10-02 4289 512193588db0d3 Matthew Wilcox 2007-10-02 4290 BUG(); /* The idle command should never timeout. */ 512193588db0d3 Matthew Wilcox 2007-10-02 4291 return ADV_ERROR; 512193588db0d3 Matthew Wilcox 2007-10-02 4292 } 512193588db0d3 Matthew Wilcox 2007-10-02 4293 :::::: The code at line 4261 was first introduced by commit :::::: 512193588db0d38ae6aa78802bb15f3ef3104a00 [SCSI] advansys: Eliminate prototypes :::::: TO: Matthew Wilcox :::::: CC: James Bottomley -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki