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gpu: nvgpu: modify the ffs and fls interface

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Modify the ffs/fls interface function names to nvgpu_ffs and
nvgpu_fls.  The return bit values are numbered from 1 to 64.
A return value of 0 indicates an input of 0 value.

Jira NVGPU-3601

Change-Id: I1c151eeac1f94fe3b5b85bd5daf0488f75c5efa0
Signed-off-by: ajesh <akv@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2146119
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Philip Elcan <pelcan@nvidia.com>
Reviewed-by: Nitin Kumbhar <nkumbhar@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
ajesh
2019-07-01 15:09:30 +05:30
committed by mobile promotions
parent eaf1048111
commit b095d73022
18 changed files with 86 additions and 45 deletions
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2
drivers/gpu/nvgpu/os/posix/bitmap.c
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@@ -117,7 +117,7 @@ static unsigned long nvgpu_posix_find_next_bit(const unsigned long *addr,
w = addr[idx] ^ invert_mask;
}
return min(n, (nvgpu_safe_add_u64(((ffs(w)) - 1UL),
return min(n, (nvgpu_safe_add_u64(((nvgpu_ffs(w)) - 1UL),
(nvgpu_safe_mult_u64(idx, BITS_PER_LONG)))));
}