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Date: Tue, 20 Dec 2022 19:13:03 +0200 From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com> To: Hanna Hawa <hhhawa@...zon.com> Cc: wsa@...nel.org, jarkko.nikula@...ux.intel.com, mika.westerberg@...ux.intel.com, jsd@...ihalf.com, linus.walleij@...aro.org, ben-linux@...ff.org, linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org, dwmw@...zon.co.uk, benh@...zon.com, ronenk@...zon.com, talel@...zon.com, jonnyc@...zon.com, hanochu@...zon.com, farbere@...zon.com, itamark@...zon.com, Lareine Khawaly <lareine@...zon.com> Subject: Re: [PATCH v4 1/1] i2c: designware: use casting of u64 in clock multiplication to avoid overflow On Tue, Dec 20, 2022 at 07:11:51PM +0200, Andy Shevchenko wrote: > On Tue, Dec 20, 2022 at 04:48:06PM +0000, Hanna Hawa wrote: ... > > - return DIV_ROUND_CLOSEST(ic_clk * tSYMBOL, MICRO) - 8 + offset; > > + return DIV_ROUND_CLOSEST_ULL((u64)ic_clk * tSYMBOL, MICRO) - 8 + > > + offset; > > Broken indentation. > > ... > > > - return DIV_ROUND_CLOSEST(ic_clk * (tSYMBOL + tf), MICRO) - 3 + offset; > > + return DIV_ROUND_CLOSEST_ULL((u64)ic_clk * (tSYMBOL + tf), > > + MICRO) - 3 + offset; > > I would still go with 'MICRO) -' part to be on the previous line despite being > over 80, this is logical split which increases readability. > > > - return DIV_ROUND_CLOSEST(ic_clk * (tLOW + tf), MICRO) - 1 + offset; > > + return DIV_ROUND_CLOSEST_ULL((u64)ic_clk * (tLOW + tf), MICRO) - 1 + > > + offset; > > Broken indentation. That said, can you just follow what I have said in a review of v3? -- With Best Regards, Andy Shevchenko
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