Hi, On Mon, Jul 03, 2017 at 07:37:59PM +0300, Andy Shevchenko wrote: > On Mon, Jul 3, 2017 at 4:36 PM, Sebastian Reichel > wrote: > > On Sat, Jul 01, 2017 at 09:28:10PM +0200, Julia Lawall wrote: > > > * drivers/gpio/gpio-pca953x.c (line 190-192) > > It has double conversion there: > 1. LE CPU: Read as LE and converted to LE (no-op), so, just u16 > 2. BE CPU: Read as BE and converted to LE, makes it __le16 > > Looks like the conversion is not needed, only get_unaligned() is necessary. > > P.S. What about lines 244-245 there? I think they are no-op. > Interesting that those two parts were added in quite different > commits. val[0] = (u16)ret & 0xFF; val[1] = (u16)ret >> 8; looks like cpu_to_be16()? -- Sebastian