[PATCH v4 21/40] fsi: aspeed: Disable relative addressing and IPOLL for cfam reset

Eddie James
2024-06-05T21:23:39Z

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 --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