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usb: typec: ucsi: Always cancel the command if PPM reports BUSY condition

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This makes it possible to execute next command immediately
after the busy condition.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20210920142419.54493-2-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Heikki Krogerus 2021-09-20 17:24:13 +03:00 • committed by Greg Kroah-Hartman
parent b53908f9a2
commit 094902bc6a
1 changed files with 3 additions and 1 deletions
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4
drivers/usb/typec/ucsi/ucsi.c
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@ -128,8 +128,10 @@ static int ucsi_exec_command(struct ucsi *ucsi, u64 cmd)
if (ret) if (ret)
return ret; return ret;
if (cci & UCSI_CCI_BUSY) if (cci & UCSI_CCI_BUSY) {
ucsi->ops->async_write(ucsi, UCSI_CANCEL, NULL, 0);
return -EBUSY; return -EBUSY;
}
if (!(cci & UCSI_CCI_COMMAND_COMPLETE)) if (!(cci & UCSI_CCI_COMMAND_COMPLETE))
return -EIO; return -EIO;