Re: [PATCH] net: stmmac: clear reset value of snps,wr_osr_lmt/snps,rd_osr_lmt before writing

[David Miller]

From: Niklas Cassel <niklas.cassel@xxxxxxxx>
Date: Mon, 5 Dec 2016 18:12:54 +0100

> From: Niklas Cassel <niklas.cassel@xxxxxxxx>
> 
> WR_OSR_LMT and RD_OSR_LMT have a reset value of 1.
> Since the reset value wasn't cleared before writing, the value in the
> register would be incorrect if specifying an uneven value for
> snps,wr_osr_lmt/snps,rd_osr_lmt.
> 
> Zero is a valid value for the properties, since the databook specifies:
> maximum outstanding requests = WR_OSR_LMT + 1.
> 
> We do not want to change the behavior for existing users when the
> property is missing. Therefore, default to 1 if the property is missing,
> since that is the same as the reset value.
> 
> Signed-off-by: Niklas Cassel <niklas.cassel@xxxxxxxx>

Applied, thank you.