From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eddie James Date: Thu, 16 May 2024 13:18:48 -0500 Subject: [PATCH v3 21/40] fsi: aspeed: Disable relative addressing and IPOLL for cfam reset In-Reply-To: <20240516181907.3468796-1-eajames@linux.ibm.com> References: <20240516181907.3468796-1-eajames@linux.ibm.com> Message-ID: <20240516181907.3468796-22-eajames@linux.ibm.com> List-Id: To: linux-aspeed@lists.ozlabs.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit 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); -- 2.39.3