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Subject[RFC PATCH 1/7] usb: typec: ucsi: Always cancel the command if PPM reports BUSY condition
Date
This makes it possible to execute next command immediately
after the busy condition.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
---
drivers/usb/typec/ucsi/ucsi.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c
index 4e1973fbdf0dc..366c8a468bc18 100644
--- a/drivers/usb/typec/ucsi/ucsi.c
+++ b/drivers/usb/typec/ucsi/ucsi.c
@@ -128,8 +128,10 @@ static int ucsi_exec_command(struct ucsi *ucsi, u64 cmd)
if (ret)
return ret;

- if (cci & UCSI_CCI_BUSY)
+ if (cci & UCSI_CCI_BUSY) {
+ ucsi->ops->async_write(ucsi, UCSI_CANCEL, NULL, 0);
return -EBUSY;
+ }

if (!(cci & UCSI_CCI_COMMAND_COMPLETE))
return -EIO;
--
2.30.2
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