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hwmon: (ltc4245) Use HWMON_CHANNEL_INFO macro

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The HWMON_CHANNEL_INFO macro simplifies the code, reduces the likelihood
of errors, and makes the code easier to read.

The conversion was done automatically with coccinelle. The semantic patch
used to make this change is as follows.

@r@
initializer list elements;
identifier i;
@@

-u32 i[] = {
-  elements,
-  0
-};

@s@
identifier r.i,j,ty;
@@

-struct hwmon_channel_info j = {
-       .type = ty,
-       .config = i,
-};

@script:ocaml t@
ty << s.ty;
elements << r.elements;
shorter;
elems;
@@

shorter :=
   make_ident (List.hd(List.rev (Str.split (Str.regexp "_") ty)));
elems :=
   make_ident
    (String.concat ","
     (List.map (fun x -> Printf.sprintf "\n\t\t\t   %s" x)
       (Str.split (Str.regexp " , ") elements)))

@@
identifier s.j,t.shorter;
identifier t.elems;
@@

- &j
+ HWMON_CHANNEL_INFO(shorter,elems)

This patch does not introduce functional changes. Many thanks to
Julia Lawall for providing the semantic patch.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Guenter Roeck 2019-03-31 10:53:48 -07:00
parent 7aea00647f
commit 0ee508f0cd
1 changed files with 23 additions and 50 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

73
drivers/hwmon/ltc4245.c
View File

@ -390,57 +390,30 @@ static umode_t ltc4245_is_visible(const void *_data,
}
}
static const u32 ltc4245_in_config[] = {
HWMON_I_INPUT, /* dummy, skipped in is_visible */
HWMON_I_INPUT | HWMON_I_MIN_ALARM,
HWMON_I_INPUT | HWMON_I_MIN_ALARM,
HWMON_I_INPUT | HWMON_I_MIN_ALARM,
HWMON_I_INPUT | HWMON_I_MIN_ALARM,
HWMON_I_INPUT | HWMON_I_MIN_ALARM,
HWMON_I_INPUT | HWMON_I_MIN_ALARM,
HWMON_I_INPUT | HWMON_I_MIN_ALARM,
HWMON_I_INPUT | HWMON_I_MIN_ALARM,
HWMON_I_INPUT,
HWMON_I_INPUT,
HWMON_I_INPUT,
0
};
static const struct hwmon_channel_info ltc4245_in = {
.type = hwmon_in,
.config = ltc4245_in_config,
};
static const u32 ltc4245_curr_config[] = {
HWMON_C_INPUT | HWMON_C_MAX_ALARM,
HWMON_C_INPUT | HWMON_C_MAX_ALARM,
HWMON_C_INPUT | HWMON_C_MAX_ALARM,
HWMON_C_INPUT | HWMON_C_MAX_ALARM,
0
};
static const struct hwmon_channel_info ltc4245_curr = {
.type = hwmon_curr,
.config = ltc4245_curr_config,
};
static const u32 ltc4245_power_config[] = {
HWMON_P_INPUT,
HWMON_P_INPUT,
HWMON_P_INPUT,
HWMON_P_INPUT,
0
};
static const struct hwmon_channel_info ltc4245_power = {
.type = hwmon_power,
.config = ltc4245_power_config,
};
static const struct hwmon_channel_info *ltc4245_info[] = {
&ltc4245_in,
&ltc4245_curr,
&ltc4245_power,
HWMON_CHANNEL_INFO(in,
HWMON_I_INPUT,
HWMON_I_INPUT | HWMON_I_MIN_ALARM,
HWMON_I_INPUT | HWMON_I_MIN_ALARM,
HWMON_I_INPUT | HWMON_I_MIN_ALARM,
HWMON_I_INPUT | HWMON_I_MIN_ALARM,
HWMON_I_INPUT | HWMON_I_MIN_ALARM,
HWMON_I_INPUT | HWMON_I_MIN_ALARM,
HWMON_I_INPUT | HWMON_I_MIN_ALARM,
HWMON_I_INPUT | HWMON_I_MIN_ALARM,
HWMON_I_INPUT,
HWMON_I_INPUT,
HWMON_I_INPUT),
HWMON_CHANNEL_INFO(curr,
HWMON_C_INPUT | HWMON_C_MAX_ALARM,
HWMON_C_INPUT | HWMON_C_MAX_ALARM,
HWMON_C_INPUT | HWMON_C_MAX_ALARM,
HWMON_C_INPUT | HWMON_C_MAX_ALARM),
HWMON_CHANNEL_INFO(power,
HWMON_P_INPUT,
HWMON_P_INPUT,
HWMON_P_INPUT,
HWMON_P_INPUT),
NULL
};