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UPSTREAM: usb: typec: ucsi: Remove incorrect warning

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Sink only devices do not have any source capabilities, so
the driver should not warn about that. Also DRP (Dual Role
Power) capable devices, such as USB Type-C docking stations,
do not return any source capabilities unless they are
plugged to a power supply themselves.

Bug: 254441685
Fixes: 1f4642b72b ("usb: typec: ucsi: Retrieve all the PDOs instead of just the first 4")
Reported-by: Paul Menzel <pmenzel@molgen.mpg.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20220922145924.80667-1-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit 415ba26cb7)
Signed-off-by: Lee Jones <joneslee@google.com>
Change-Id: I3e10fb2c610a753e19deab7dcceda10599f56c03
This commit is contained in:
Heikki Krogerus
2022-09-22 17:59:24 +03:00
committed by Treehugger Robot
parent 5f1257b5ff
commit 82b904105a
1 changed files with 0 additions and 2 deletions
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2
drivers/usb/typec/ucsi/ucsi.c
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@@ -515,8 +515,6 @@ static int ucsi_get_pdos(struct ucsi_connector *con, int is_partner,
num_pdos * sizeof(u32));
if (ret < 0)
dev_err(ucsi->dev, "UCSI_GET_PDOS failed (%d)\n", ret);
if (ret == 0 && offset == 0)
dev_warn(ucsi->dev, "UCSI_GET_PDOS returned 0 bytes\n");
return ret;
}