net: ipa: fix v3.1 resource limit masks
authorCaleb Connolly <caleb.connolly@linaro.org>
Mon, 24 Oct 2022 21:03:32 +0000 (22:03 +0100)
committerJakub Kicinski <kuba@kernel.org>
Wed, 26 Oct 2022 02:48:58 +0000 (19:48 -0700)
commit05a31b94af3226ee47dcb6802229a7a576105d47
tree905543b03d7663d384153db4bff685b26a1f181b
parentf23a566bbfc0896c97b1949216eb87fcdcb154bb
net: ipa: fix v3.1 resource limit masks

The resource group limits for IPA v3.1 mistakenly used 6 bit wide mask
values, when the hardware actually uses 8. Out of range values were
silently ignored before, so the IPA worked as expected. However the
new generalised register definitions introduce stricter checking here,
they now cause some splats and result in the value 0 being written
instead. Fix the limit bitmask widths so that the correct values can be
written.

Fixes: 1c418c4a929c ("net: ipa: define resource group/type IPA register fields")
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
Reviewed-by: Alex Elder <elder@linaro.org>
Tested-by: Jami Kettunen <jami.kettunen@somainline.org>
Link: https://lore.kernel.org/r/20221024210336.4014983-2-caleb.connolly@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
drivers/net/ipa/reg/ipa_reg-v3.1.c