On Mon, Aug 14, 2017 at 09:36:56AM +0800, Jun Gao wrote: > On Sat, 2017-08-12 at 16:44 +0200, Wolfram Sang wrote: > > > +static const struct i2c_adapter_quirks mt7622_i2c_quirks = { > > > + .max_num_msgs = 255, > > > + .max_write_len = 65535, > > > + .max_read_len = 65535, > > > + .max_comb_1st_msg_len = 65535, > > > + .max_comb_2nd_msg_len = 65535, > > > +}; > > > > That looks like no quirks? Then just leave the quirks pointer below > > empty. > > > Compare to MT8173 i2c controller, MT7622 limits message numbers to 255. I see. But you can safely drop all the length settings. The i2c core has this comment in quirk handling: /* Check if val is exceeding the quirk IFF quirk is non 0 */ IFF means "if and only if".
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