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Matthijs Kooijman 2d1155478f staging: dwc2: Make dwc2_hw_params.host_channels large enough

The hardware offers a 4-bit register containing the number of host
channels. However, the values of these register mean 1-16 host channels,
not 0-15. Since the dwc2_hw_params struct stores the actual number of
host channels supported instead of the raw register value, it should be
5 bits wide instead of 4.

Before this commit, hardware with 16 host channels would overflow the
field, making it appear as 0 channels.

This bug was introduced in commit 9badec2 (staging: dwc2: interpret all
hwcfg and related register at init time).

Reported-by: Dinh Nguyen <dinguyen@altera.com>
Signed-off-by: Matthijs Kooijman <matthijs@stdin.nl>
Acked-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2013-10-03 13:50:54 -07:00

core_intr.c

staging: dwc2: interpret all hwcfg and related register at init time

2013-08-30 14:14:53 -07:00

core.c

Staging: dwc2: core: coding style - indentation should use tabs

2013-09-25 16:49:54 -07:00

core.h

staging: dwc2: Make dwc2_hw_params.host_channels large enough

2013-10-03 13:50:54 -07:00

hcd_ddma.c

staging: dwc2: add microframe scheduler from downstream Pi kernel