At 2022-07-17 22:58:45, "Bart Van Assche" <bvanassche@xxxxxxx> wrote: >On 7/16/22 20:03, Liang He wrote: >> At 2022-07-16 21:50:08, "Bart Van Assche" <bvanassche@xxxxxxx> wrote: >>> On 7/14/22 17:17, Liang He wrote: >>>> +static bool phandle_exists(const struct device_node *np, >>>> + const char *phandle_name, >>>> + int index) >>> >>> Indentation of the arguments now looks really odd :-( >> >> Yes, Bart, I also wonder this coding style, however I learned that >> from the definition of 'of_parse_phandle' in of.h. >> >> Is it OK if I put all of them in one line? > >No. From Documentation/process/coding-style.rst (please read that >document in its entirety): "The preferred limit on the length of a >single line is 80 columns. [...] A very commonly used style >is to align descendants to a function open parenthesis." > >Consider to use the following formatting: > >static bool phandle_exists(const struct device_node *np, > const char *phandle_name, int index) >{ > [ ... ] >} > Hi, Bart, Can you help me as I have a trouble about the indentation. When I align descendants to a function open parenthesis in VIM editor, but when I generate the patch, I find the second line always missing one space in patch format. So is there any problem if I send this patch? I make sure that the alignment in VIM is OK. Thanks, Liang >>>> +{ >>>> + struct device_node *parse_np = of_parse_phandle(np, phandle_name, index); >>>> + bool ret = false; >>>> + >>>> + if (parse_np) { >>>> + ret = true; >>>> + of_node_put(parse_np); >>>> + } >>>> + >>>> + return ret; >>>> +} >>> >>> The 'ret' variable is not necessary. If "return ret" is changed into >>> "return parse_np" then the variable 'ret' can be left out. >>> >> >> OK, I will use 'return parse_np' in new version when you confirm above coding style. > >You may want to use "return parse_np != NULL" if you want to be sure >that nobody else will complain about an implicit conversion of a pointer >to a boolean type. > >Thanks, > >Bart.