wlcore: simplify/fix/optimize reg_ch_conf_pending operations

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Bitmaps are defined on unsigned longs, so the usage of u32[2] in the
wlcore driver is incorrect.  As noted by Peter Zijlstra, casting arrays
to a bitmap is incorrect for big-endian architectures.

When looking at it I observed that:

- operations on reg_ch_conf_pending is always under the wl_lock mutex,
so set_bit is overkill

- the only case where reg_ch_conf_pending is accessed a u32 at a time is
unnecessary too.

This patch cleans up everything in this area, and changes tmp_ch_bitmap
to have the proper alignment.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

...

This commit is contained in:

Paolo Bonzini 2019-04-24 12:32:50 -07:00 • committed by Kalle Valo

parent 324f1feb96

commit 147b502bda

2 changed files with 8 additions and 11 deletions

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15

drivers/net/wireless/ti/wlcore/cmd.c

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4

drivers/net/wireless/ti/wlcore/wlcore.h

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