RE: [PATCH v10] i2c-designware: make SDA hold time configurable

[Stehle Vincent-B46079]

> From: Christian Ruppert [mailto:christian.ruppert@xxxxxxxxxx]
(..)
> Although this doesn't explicitly state what the function returns to me
> this sounds more like the quotient is returned rather than the remainder?

Hi,

Yes div_u64() returns the quotient.

It is defined in linux/math64.h as:

  static inline u64 div_u64(u64 dividend, u32 divisor)
  {
          u32 remainder;
          return div_u64_rem(dividend, divisor, &remainder);
  }

The remainder is probably fully optimized out.

Best regards,

V.


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