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Thu, 16 May 2024 18:19:13 +0000 (GMT) From: Eddie James To: linux-fsi@lists.ozlabs.org Cc: 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, eajames@linux.ibm.com Subject: [PATCH v3 21/40] fsi: aspeed: Disable relative addressing and IPOLL for cfam reset Date: Thu, 16 May 2024 13:18:48 -0500 Message-Id: <20240516181907.3468796-22-eajames@linux.ibm.com> X-Mailer: git-send-email 2.39.3 In-Reply-To: <20240516181907.3468796-1-eajames@linux.ibm.com> References: <20240516181907.3468796-1-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-GUID: a0IpH0r8sFKR0FQONajJF4wBJ4GOZgkk X-Proofpoint-ORIG-GUID: a0IpH0r8sFKR0FQONajJF4wBJ4GOZgkk X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.650,FMLib:17.11.176.26 definitions=2024-05-16_07,2024-05-15_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 mlxlogscore=725 suspectscore=0 mlxscore=0 malwarescore=0 clxscore=1015 priorityscore=1501 phishscore=0 bulkscore=0 lowpriorityscore=0 spamscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2405010000 definitions=main-2405160132 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);