diff mbox series

[v3,21/40] fsi: aspeed: Disable relative addressing and IPOLL for cfam reset

Message ID 20240516181907.3468796-22-eajames@linux.ibm.com (mailing list archive)
State Superseded
Headers show
Series fsi: Add interrupt support | expand

Commit Message

Eddie James May 16, 2024, 6:18 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 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);