powerpc: pci-ioda: Optimize pnv_ioda_pick_m64_pe()

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bitmap_empty() in pnv_ioda_pick_m64_pe() is O(N) and useless because
the following find_next_bit() does the same work.

Drop it, and while there replace a while() loop with the dedicated
for_each_set_bit().

Reviewed-by: Andrew Donnellan <ajd@linux.ibm.com>
Signed-off-by: Yury Norov (NVIDIA) <yury.norov@gmail.com>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/20250814190936.381346-3-yury.norov@gmail.com

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Yury Norov (NVIDIA) 2025-08-14 15:09:36 -04:00 • committed by Madhavan Srinivasan

parent f73338d089

commit bd77a34e9a

1 changed files with 6 additions and 13 deletions

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arch/powerpc/platforms/powernv/pci-ioda.c

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