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0e2af0fc30
Replace do_div() with div64_ul() since the remainder is not used. div64_ul() is the preferred API for 64-bit by 32-bit division when only the quotient is needed. Also replace explicit casting and shifting with the BIT_ULL(27) macro for clarity. Note: A mathematical simplification to `(freq * BIT_ULL(29)) / mclk` was suggested during review to improve precision. However, as confirmed by maintainers, the original driver's truncation via `(mclk / 4)` might be intentional or relied upon by userspace. Since hardware is not available for verification, this patch preserves the original logic to avoid regression risk in the absence of testing. Issue identified by coccicheck using do_div.cocci. Signed-off-by: Archit Anant <architanant5@gmail.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
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