thunderbolt: Use scale field when allocating USB3 bandwidth

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commit c82510b1d8 upstream.

When tunneling aggregated USB3 (20 Gb/s) the bandwidth values that are
programmed to the ADP_USB3_CS_2 go higher than 4096 and that does not
fit anymore to the 12-bit field. Fix this by scaling the value using
the scale field accordingly.

Fixes: 3b1d8d577c ("thunderbolt: Implement USB3 bandwidth negotiation routines")
Cc: stable@vger.kernel.org
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Mika Westerberg 2022-12-27 11:55:26 +02:00 • committed by Greg Kroah-Hartman

parent de2f47aacd

commit d6096086ea

1 changed files with 17 additions and 5 deletions

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drivers/thunderbolt/usb4.c

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