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Wed, 05 Jun 2024 21:23:24 +0000 Received: from smtpav06.dal12v.mail.ibm.com (smtpav06.dal12v.mail.ibm.com [10.241.53.105]) by smtprelay01.wdc07v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 455LNLmI40763872 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 5 Jun 2024 21:23:23 GMT Received: from smtpav06.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id CDA095805D; Wed, 5 Jun 2024 21:23:19 +0000 (GMT) Received: from smtpav06.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 85FE95806B; Wed, 5 Jun 2024 21:23:19 +0000 (GMT) Received: from slate16.aus.stglabs.ibm.com (unknown [9.61.121.242]) by smtpav06.dal12v.mail.ibm.com (Postfix) with ESMTP; Wed, 5 Jun 2024 21:23:19 +0000 (GMT) From: Eddie James To: linux-fsi@lists.ozlabs.org Cc: eajames@linux.ibm.com, linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org, linux-spi@vger.kernel.org, broonie@kernel.org, andi.shyti@kernel.org, joel@jms.id.au, alistair@popple.id.au, jk@ozlabs.org, andrew@codeconstruct.com.au, linux-aspeed@lists.ozlabs.org, ninad@linux.ibm.com, lakshmiy@us.ibm.com Subject: [PATCH v4 21/40] fsi: aspeed: Disable relative addressing and IPOLL for cfam reset Date: Wed, 5 Jun 2024 16:22:53 -0500 Message-Id: <20240605212312.349188-22-eajames@linux.ibm.com> X-Mailer: git-send-email 2.39.3 In-Reply-To: <20240605212312.349188-1-eajames@linux.ibm.com> References: <20240605212312.349188-1-eajames@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-i2c@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: cIvVpV4DnW7VlBXI_jFKy5cMb1bRJmM7 X-Proofpoint-GUID: cIvVpV4DnW7VlBXI_jFKy5cMb1bRJmM7 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-06-05_02,2024-06-05_02,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 spamscore=0 mlxscore=0 suspectscore=0 malwarescore=0 impostorscore=0 phishscore=0 adultscore=0 clxscore=1015 mlxlogscore=721 bulkscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2405010000 definitions=main-2406050160 Need to disable these for the master reset after cfam reset. Signed-off-by: Eddie James --- drivers/fsi/fsi-master-aspeed.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/fsi/fsi-master-aspeed.c b/drivers/fsi/fsi-master-aspeed.c index 176e596b4391b..c9f6d84e1a372 100644 --- a/drivers/fsi/fsi-master-aspeed.c +++ b/drivers/fsi/fsi-master-aspeed.c @@ -402,11 +402,18 @@ static ssize_t cfam_reset_store(struct device *dev, struct device_attribute *att trace_fsi_master_aspeed_cfam_reset(true); spin_lock_irqsave(&aspeed->lock, flags); + + regmap_write(aspeed->master.map, FSI_MMODE, + aspeed->master.mmode & ~(FSI_MMODE_EIP | FSI_MMODE_RELA)); + gpiod_set_value(aspeed->cfam_reset_gpio, 1); udelay(900); gpiod_set_value(aspeed->cfam_reset_gpio, 0); udelay(900); + regmap_write(aspeed->master.map, FSI_MRESP0, FSI_MRESP_RST_ALL_MASTER); + regmap_write(aspeed->master.map, FSI_MMODE, aspeed->master.mmode); + spin_unlock_irqrestore(&aspeed->lock, flags); trace_fsi_master_aspeed_cfam_reset(false);