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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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12
userspace/units/posix/bitops/posix-bitops.c
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@@ -57,7 +57,7 @@ static int test_ffs(struct unit_module *m, struct gk20a *g, void *args)
{
#define CHECK_FFS_WORD(w, answer) \
do { \
unsigned long ret = ffs(w); \
unsigned long ret = nvgpu_ffs(w); \
\
if (ret != (answer)) \
unit_return_fail(m, \
@@ -86,9 +86,9 @@ static int test_ffs(struct unit_module *m, struct gk20a *g, void *args)
* possible return values of the function.
*/
for (i = 0; i < BITS_PER_LONG; i++) {
if (ffs(BIT(i)) != (i + 1))
if (nvgpu_ffs(BIT(i)) != (i + 1))
unit_return_fail(m, "ffs(1 << %lu) != %lu [%lu]!\n",
i, i, ffs(BIT(i)));
i, i, nvgpu_ffs(BIT(i)));
}
return UNIT_SUCCESS;
@@ -98,7 +98,7 @@ static int test_fls(struct unit_module *m, struct gk20a *g, void *args)
{
#define CHECK_FLS_WORD(w, answer) \
do { \
unsigned long ret = fls(w); \
unsigned long ret = nvgpu_fls(w); \
\
if (ret != (answer)) \
unit_return_fail(m, \
@@ -123,9 +123,9 @@ static int test_fls(struct unit_module *m, struct gk20a *g, void *args)
#undef CHECK_FLS_WORD
for (i = 0; i < BITS_PER_LONG; i++) {
if (fls(BIT(i)) != (i+1))
if (nvgpu_fls(BIT(i)) != (i+1))
unit_return_fail(m, "fls(1 << %lu) != %lu! [%lu]\n",
i, i, fls(BIT(i)));
i, i, nvgpu_fls(BIT(i)));
}
return UNIT_SUCCESS;