diff mbox series

[v2,20/31] fsi: aspeed: Disable relative addressing and IPOLL for cfam reset

Message ID 20240226165321.91976-21-eajames@linux.ibm.com
State New
Headers show
Series fsi: Interrupt support | expand

Commit Message

Eddie James Feb. 26, 2024, 4:53 p.m. UTC 
Need to disable these for the master reset after cfam reset.

Signed-off-by: Eddie James <eajames@linux.ibm.com>
---
 drivers/fsi/fsi-master-aspeed.c | 7 +++++++
 1 file changed, 7 insertions(+)
diff mbox series

Patch

diff --git a/drivers/fsi/fsi-master-aspeed.c b/drivers/fsi/fsi-master-aspeed.c
index 1cb5bf6c05d2..92b47bc9917a 100644
--- a/drivers/fsi/fsi-master-aspeed.c
+++ b/drivers/fsi/fsi-master-aspeed.c
@@ -375,11 +375,18 @@  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);
+
+	opb_writel(aspeed, ctrl_base + FSI_MMODE,
+		   cpu_to_be32(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);
+
 	opb_writel(aspeed, ctrl_base + FSI_MRESP0, cpu_to_be32(FSI_MRESP_RST_ALL_MASTER));
+	opb_writel(aspeed, ctrl_base + FSI_MMODE, cpu_to_be32(aspeed->master.mmode));
+
 	spin_unlock_irqrestore(&aspeed->lock, flags);
 	trace_fsi_master_aspeed_cfam_reset(false);