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Date: Fri, 7 Oct 2022 21:47:27 +0800
From: kernel test robot <lkp@...el.com>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Basavaraj Natikar <Basavaraj.Natikar@....com>,
linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
Linus Walleij <linus.walleij@...aro.org>
Subject: Re: [rft, PATCH v1 1/1] pinctrl: Clean up headers
Hi Andy,
I love your patch! Yet something to improve:
[auto build test ERROR on linusw-pinctrl/devel]
[also build test ERROR on linus/master v6.0 next-20221007]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Andy-Shevchenko/pinctrl-Clean-up-headers/20221007-183311
base: https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl.git devel
config: hexagon-randconfig-r041-20221003
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 791a7ae1ba3efd6bca96338e10ffde557ba83920)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/intel-lab-lkp/linux/commit/5b392edeea764a64953fbab65c9a06b2745ebdd7
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Andy-Shevchenko/pinctrl-Clean-up-headers/20221007-183311
git checkout 5b392edeea764a64953fbab65c9a06b2745ebdd7
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/pinctrl/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
All error/warnings (new ones prefixed by >>):
>> drivers/pinctrl/pinmux.c:34:46: error: incomplete definition of type 'struct pinctrl_desc'
const struct pinmux_ops *ops = pctldev->desc->pmxops;
~~~~~~~~~~~~~^
drivers/pinctrl/core.h:44:9: note: forward declaration of 'struct pinctrl_desc'
struct pinctrl_desc *desc;
^
drivers/pinctrl/pinmux.c:87:46: error: incomplete definition of type 'struct pinctrl_desc'
const struct pinmux_ops *ops = pctldev->desc->pmxops;
~~~~~~~~~~~~~^
drivers/pinctrl/core.h:44:9: note: forward declaration of 'struct pinctrl_desc'
struct pinctrl_desc *desc;
^
drivers/pinctrl/pinmux.c:113:46: error: incomplete definition of type 'struct pinctrl_desc'
const struct pinmux_ops *ops = pctldev->desc->pmxops;
~~~~~~~~~~~~~^
drivers/pinctrl/core.h:44:9: note: forward declaration of 'struct pinctrl_desc'
struct pinctrl_desc *desc;
^
drivers/pinctrl/pinmux.c:210:46: error: incomplete definition of type 'struct pinctrl_desc'
const struct pinmux_ops *ops = pctldev->desc->pmxops;
~~~~~~~~~~~~~^
drivers/pinctrl/core.h:44:9: note: forward declaration of 'struct pinctrl_desc'
struct pinctrl_desc *desc;
^
>> drivers/pinctrl/pinmux.c:270:46: error: incomplete definition of type 'struct pinctrl_gpio_range'
owner = kasprintf(GFP_KERNEL, "%s:%d", range->name, gpio);
~~~~~^
include/linux/pinctrl/pinmux.h:17:8: note: forward declaration of 'struct pinctrl_gpio_range'
struct pinctrl_gpio_range;
^
drivers/pinctrl/pinmux.c:310:21: error: incomplete definition of type 'struct pinctrl_desc'
ops = pctldev->desc->pmxops;
~~~~~~~~~~~~~^
drivers/pinctrl/core.h:44:9: note: forward declaration of 'struct pinctrl_desc'
struct pinctrl_desc *desc;
^
drivers/pinctrl/pinmux.c:323:46: error: incomplete definition of type 'struct pinctrl_desc'
const struct pinmux_ops *ops = pctldev->desc->pmxops;
~~~~~~~~~~~~~^
drivers/pinctrl/core.h:44:9: note: forward declaration of 'struct pinctrl_desc'
struct pinctrl_desc *desc;
^
drivers/pinctrl/pinmux.c:344:49: error: incomplete definition of type 'struct pinctrl_desc'
const struct pinmux_ops *pmxops = pctldev->desc->pmxops;
~~~~~~~~~~~~~^
drivers/pinctrl/core.h:44:9: note: forward declaration of 'struct pinctrl_desc'
struct pinctrl_desc *desc;
^
drivers/pinctrl/pinmux.c:408:51: error: incomplete definition of type 'struct pinctrl_desc'
const struct pinctrl_ops *pctlops = pctldev->desc->pctlops;
~~~~~~~~~~~~~^
drivers/pinctrl/core.h:44:9: note: forward declaration of 'struct pinctrl_desc'
struct pinctrl_desc *desc;
^
drivers/pinctrl/pinmux.c:409:46: error: incomplete definition of type 'struct pinctrl_desc'
const struct pinmux_ops *ops = pctldev->desc->pmxops;
~~~~~~~~~~~~~^
drivers/pinctrl/core.h:44:9: note: forward declaration of 'struct pinctrl_desc'
struct pinctrl_desc *desc;
^
>> drivers/pinctrl/pinmux.c:416:13: error: incomplete definition of type 'struct pinctrl_ops'
if (pctlops->get_group_pins)
~~~~~~~^
include/linux/compiler.h:56:47: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
^~~~
include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond))
^~~~
drivers/pinctrl/pinmux.c:408:15: note: forward declaration of 'struct pinctrl_ops'
const struct pinctrl_ops *pctlops = pctldev->desc->pctlops;
^
>> drivers/pinctrl/pinmux.c:416:13: error: incomplete definition of type 'struct pinctrl_ops'
if (pctlops->get_group_pins)
~~~~~~~^
include/linux/compiler.h:56:47: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
^~~~
include/linux/compiler.h:58:61: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond))
^~~~
drivers/pinctrl/pinmux.c:408:15: note: forward declaration of 'struct pinctrl_ops'
const struct pinctrl_ops *pctlops = pctldev->desc->pctlops;
^
>> drivers/pinctrl/pinmux.c:416:13: error: incomplete definition of type 'struct pinctrl_ops'
if (pctlops->get_group_pins)
~~~~~~~^
include/linux/compiler.h:56:47: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
^~~~
include/linux/compiler.h:58:86: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond))
^~~~
include/linux/compiler.h:69:3: note: expanded from macro '__trace_if_value'
(cond) ? \
^~~~
drivers/pinctrl/pinmux.c:408:15: note: forward declaration of 'struct pinctrl_ops'
const struct pinctrl_ops *pctlops = pctldev->desc->pctlops;
^
drivers/pinctrl/pinmux.c:417:16: error: incomplete definition of type 'struct pinctrl_ops'
ret = pctlops->get_group_pins(pctldev, setting->data.mux.group,
~~~~~~~^
drivers/pinctrl/pinmux.c:408:15: note: forward declaration of 'struct pinctrl_ops'
const struct pinctrl_ops *pctlops = pctldev->desc->pctlops;
^
drivers/pinctrl/pinmux.c:424:18: error: incomplete definition of type 'struct pinctrl_ops'
gname = pctlops->get_group_name(pctldev,
~~~~~~~^
drivers/pinctrl/pinmux.c:408:15: note: forward declaration of 'struct pinctrl_ops'
const struct pinctrl_ops *pctlops = pctldev->desc->pctlops;
^
drivers/pinctrl/pinmux.c:441:19: error: incomplete definition of type 'struct pinctrl_ops'
gname = pctlops->get_group_name(pctldev,
~~~~~~~^
drivers/pinctrl/pinmux.c:408:15: note: forward declaration of 'struct pinctrl_ops'
const struct pinctrl_ops *pctlops = pctldev->desc->pctlops;
^
>> drivers/pinctrl/pinmux.c:447:5: error: call to undeclared function 'pinctrl_dev_get_name'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
pinctrl_dev_get_name(pctldev));
^
>> drivers/pinctrl/pinmux.c:447:5: warning: format specifies type 'char *' but the argument has type 'int' [-Wformat]
pinctrl_dev_get_name(pctldev));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/dev_printk.h:144:65: note: expanded from macro 'dev_err'
dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
~~~ ^~~~~~~~~~~
include/linux/dev_printk.h:110:23: note: expanded from macro 'dev_printk_index_wrap'
_p_func(dev, fmt, ##__VA_ARGS__); \
~~~ ^~~~~~~~~~~
drivers/pinctrl/pinmux.c:489:51: error: incomplete definition of type 'struct pinctrl_desc'
const struct pinctrl_ops *pctlops = pctldev->desc->pctlops;
~~~~~~~~~~~~~^
drivers/pinctrl/core.h:44:9: note: forward declaration of 'struct pinctrl_desc'
struct pinctrl_desc *desc;
^
drivers/pinctrl/pinmux.c:496:13: error: incomplete definition of type 'struct pinctrl_ops'
if (pctlops->get_group_pins)
~~~~~~~^
include/linux/compiler.h:56:47: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
^~~~
include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond))
^~~~
drivers/pinctrl/pinmux.c:489:15: note: forward declaration of 'struct pinctrl_ops'
const struct pinctrl_ops *pctlops = pctldev->desc->pctlops;
^
fatal error: too many errors emitted, stopping now [-ferror-limit=]
1 warning and 20 errors generated.
vim +270 drivers/pinctrl/pinmux.c
2744e8afb3b763 Linus Walleij 2011-05-02 254
2744e8afb3b763 Linus Walleij 2011-05-02 255 /**
befe5bdfbb698b Linus Walleij 2012-02-09 256 * pinmux_request_gpio() - request pinmuxing for a GPIO pin
befe5bdfbb698b Linus Walleij 2012-02-09 257 * @pctldev: pin controller device affected
befe5bdfbb698b Linus Walleij 2012-02-09 258 * @pin: the pin to mux in for GPIO
befe5bdfbb698b Linus Walleij 2012-02-09 259 * @range: the applicable GPIO range
d340351f8168d2 Lee Jones 2020-07-13 260 * @gpio: number of requested GPIO
2744e8afb3b763 Linus Walleij 2011-05-02 261 */
befe5bdfbb698b Linus Walleij 2012-02-09 262 int pinmux_request_gpio(struct pinctrl_dev *pctldev,
befe5bdfbb698b Linus Walleij 2012-02-09 263 struct pinctrl_gpio_range *range,
befe5bdfbb698b Linus Walleij 2012-02-09 264 unsigned pin, unsigned gpio)
2744e8afb3b763 Linus Walleij 2011-05-02 265 {
3cc70ed32cd6c5 Stephen Warren 2012-02-19 266 const char *owner;
2744e8afb3b763 Linus Walleij 2011-05-02 267 int ret;
2744e8afb3b763 Linus Walleij 2011-05-02 268
2744e8afb3b763 Linus Walleij 2011-05-02 269 /* Conjure some name stating what chip and pin this is taken by */
23a895aee6081c Thomas Petazzoni 2012-09-13 @270 owner = kasprintf(GFP_KERNEL, "%s:%d", range->name, gpio);
3cc70ed32cd6c5 Stephen Warren 2012-02-19 271 if (!owner)
1fb1f0540deae6 Masahiro Yamada 2016-05-25 272 return -ENOMEM;
5d2eaf8090874f Stephen Warren 2011-10-19 273
3cc70ed32cd6c5 Stephen Warren 2012-02-19 274 ret = pin_request(pctldev, pin, owner, range);
5d2eaf8090874f Stephen Warren 2011-10-19 275 if (ret < 0)
3cc70ed32cd6c5 Stephen Warren 2012-02-19 276 kfree(owner);
5d2eaf8090874f Stephen Warren 2011-10-19 277
5d2eaf8090874f Stephen Warren 2011-10-19 278 return ret;
2744e8afb3b763 Linus Walleij 2011-05-02 279 }
2744e8afb3b763 Linus Walleij 2011-05-02 280
2744e8afb3b763 Linus Walleij 2011-05-02 281 /**
befe5bdfbb698b Linus Walleij 2012-02-09 282 * pinmux_free_gpio() - release a pin from GPIO muxing
befe5bdfbb698b Linus Walleij 2012-02-09 283 * @pctldev: the pin controller device for the pin
befe5bdfbb698b Linus Walleij 2012-02-09 284 * @pin: the affected currently GPIO-muxed in pin
befe5bdfbb698b Linus Walleij 2012-02-09 285 * @range: applicable GPIO range
2744e8afb3b763 Linus Walleij 2011-05-02 286 */
befe5bdfbb698b Linus Walleij 2012-02-09 287 void pinmux_free_gpio(struct pinctrl_dev *pctldev, unsigned pin,
befe5bdfbb698b Linus Walleij 2012-02-09 288 struct pinctrl_gpio_range *range)
2744e8afb3b763 Linus Walleij 2011-05-02 289 {
3cc70ed32cd6c5 Stephen Warren 2012-02-19 290 const char *owner;
2744e8afb3b763 Linus Walleij 2011-05-02 291
3cc70ed32cd6c5 Stephen Warren 2012-02-19 292 owner = pin_free(pctldev, pin, range);
3cc70ed32cd6c5 Stephen Warren 2012-02-19 293 kfree(owner);
2744e8afb3b763 Linus Walleij 2011-05-02 294 }
2744e8afb3b763 Linus Walleij 2011-05-02 295
befe5bdfbb698b Linus Walleij 2012-02-09 296 /**
befe5bdfbb698b Linus Walleij 2012-02-09 297 * pinmux_gpio_direction() - set the direction of a single muxed-in GPIO pin
befe5bdfbb698b Linus Walleij 2012-02-09 298 * @pctldev: the pin controller handling this pin
befe5bdfbb698b Linus Walleij 2012-02-09 299 * @range: applicable GPIO range
befe5bdfbb698b Linus Walleij 2012-02-09 300 * @pin: the affected GPIO pin in this controller
befe5bdfbb698b Linus Walleij 2012-02-09 301 * @input: true if we set the pin as input, false for output
befe5bdfbb698b Linus Walleij 2012-02-09 302 */
befe5bdfbb698b Linus Walleij 2012-02-09 303 int pinmux_gpio_direction(struct pinctrl_dev *pctldev,
befe5bdfbb698b Linus Walleij 2012-02-09 304 struct pinctrl_gpio_range *range,
befe5bdfbb698b Linus Walleij 2012-02-09 305 unsigned pin, bool input)
542e704f3ffee1 Linus Walleij 2011-11-14 306 {
542e704f3ffee1 Linus Walleij 2011-11-14 307 const struct pinmux_ops *ops;
542e704f3ffee1 Linus Walleij 2011-11-14 308 int ret;
542e704f3ffee1 Linus Walleij 2011-11-14 309
542e704f3ffee1 Linus Walleij 2011-11-14 310 ops = pctldev->desc->pmxops;
542e704f3ffee1 Linus Walleij 2011-11-14 311
542e704f3ffee1 Linus Walleij 2011-11-14 312 if (ops->gpio_set_direction)
542e704f3ffee1 Linus Walleij 2011-11-14 313 ret = ops->gpio_set_direction(pctldev, range, pin, input);
542e704f3ffee1 Linus Walleij 2011-11-14 314 else
542e704f3ffee1 Linus Walleij 2011-11-14 315 ret = 0;
542e704f3ffee1 Linus Walleij 2011-11-14 316
542e704f3ffee1 Linus Walleij 2011-11-14 317 return ret;
542e704f3ffee1 Linus Walleij 2011-11-14 318 }
542e704f3ffee1 Linus Walleij 2011-11-14 319
7ecdb16fe63e5b Stephen Warren 2012-03-02 320 static int pinmux_func_name_to_selector(struct pinctrl_dev *pctldev,
7ecdb16fe63e5b Stephen Warren 2012-03-02 321 const char *function)
2744e8afb3b763 Linus Walleij 2011-05-02 322 {
7ecdb16fe63e5b Stephen Warren 2012-03-02 323 const struct pinmux_ops *ops = pctldev->desc->pmxops;
d1e90e9e7467db Viresh Kumar 2012-03-30 324 unsigned nfuncs = ops->get_functions_count(pctldev);
7ecdb16fe63e5b Stephen Warren 2012-03-02 325 unsigned selector = 0;
2744e8afb3b763 Linus Walleij 2011-05-02 326
7ecdb16fe63e5b Stephen Warren 2012-03-02 327 /* See if this pctldev has this function */
d1e90e9e7467db Viresh Kumar 2012-03-30 328 while (selector < nfuncs) {
163dc9f39a26b4 Masahiro Yamada 2015-08-01 329 const char *fname = ops->get_function_name(pctldev, selector);
2744e8afb3b763 Linus Walleij 2011-05-02 330
7ecdb16fe63e5b Stephen Warren 2012-03-02 331 if (!strcmp(function, fname))
7ecdb16fe63e5b Stephen Warren 2012-03-02 332 return selector;
2744e8afb3b763 Linus Walleij 2011-05-02 333
7ecdb16fe63e5b Stephen Warren 2012-03-02 334 selector++;
2744e8afb3b763 Linus Walleij 2011-05-02 335 }
2744e8afb3b763 Linus Walleij 2011-05-02 336
7ecdb16fe63e5b Stephen Warren 2012-03-02 337 return -EINVAL;
2744e8afb3b763 Linus Walleij 2011-05-02 338 }
2744e8afb3b763 Linus Walleij 2011-05-02 339
3f713b7c223ebe Masahiro Yamada 2017-08-04 340 int pinmux_map_to_setting(const struct pinctrl_map *map,
7ecdb16fe63e5b Stephen Warren 2012-03-02 341 struct pinctrl_setting *setting)
2744e8afb3b763 Linus Walleij 2011-05-02 342 {
7ecdb16fe63e5b Stephen Warren 2012-03-02 343 struct pinctrl_dev *pctldev = setting->pctldev;
2744e8afb3b763 Linus Walleij 2011-05-02 344 const struct pinmux_ops *pmxops = pctldev->desc->pmxops;
2744e8afb3b763 Linus Walleij 2011-05-02 345 char const * const *groups;
2744e8afb3b763 Linus Walleij 2011-05-02 346 unsigned num_groups;
2744e8afb3b763 Linus Walleij 2011-05-02 347 int ret;
7ecdb16fe63e5b Stephen Warren 2012-03-02 348 const char *group;
2744e8afb3b763 Linus Walleij 2011-05-02 349
ad8bb720c23a80 Dong Aisheng 2012-04-10 350 if (!pmxops) {
ad8bb720c23a80 Dong Aisheng 2012-04-10 351 dev_err(pctldev->dev, "does not support mux function\n");
ad8bb720c23a80 Dong Aisheng 2012-04-10 352 return -EINVAL;
ad8bb720c23a80 Dong Aisheng 2012-04-10 353 }
ad8bb720c23a80 Dong Aisheng 2012-04-10 354
15f70e1b9a1a63 John Crispin 2012-04-23 355 ret = pinmux_func_name_to_selector(pctldev, map->data.mux.function);
ad6e1107baa2e7 John Crispin 2012-04-26 356 if (ret < 0) {
ad6e1107baa2e7 John Crispin 2012-04-26 357 dev_err(pctldev->dev, "invalid function %s in map table\n",
ad6e1107baa2e7 John Crispin 2012-04-26 358 map->data.mux.function);
15f70e1b9a1a63 John Crispin 2012-04-23 359 return ret;
ad6e1107baa2e7 John Crispin 2012-04-26 360 }
15f70e1b9a1a63 John Crispin 2012-04-23 361 setting->data.mux.func = ret;
7ecdb16fe63e5b Stephen Warren 2012-03-02 362
1e2082b5207217 Stephen Warren 2012-03-02 363 ret = pmxops->get_function_groups(pctldev, setting->data.mux.func,
7ecdb16fe63e5b Stephen Warren 2012-03-02 364 &groups, &num_groups);
ad6e1107baa2e7 John Crispin 2012-04-26 365 if (ret < 0) {
ad6e1107baa2e7 John Crispin 2012-04-26 366 dev_err(pctldev->dev, "can't query groups for function %s\n",
ad6e1107baa2e7 John Crispin 2012-04-26 367 map->data.mux.function);
2744e8afb3b763 Linus Walleij 2011-05-02 368 return ret;
ad6e1107baa2e7 John Crispin 2012-04-26 369 }
ad6e1107baa2e7 John Crispin 2012-04-26 370 if (!num_groups) {
ad6e1107baa2e7 John Crispin 2012-04-26 371 dev_err(pctldev->dev,
ad6e1107baa2e7 John Crispin 2012-04-26 372 "function %s can't be selected on any group\n",
ad6e1107baa2e7 John Crispin 2012-04-26 373 map->data.mux.function);
7ecdb16fe63e5b Stephen Warren 2012-03-02 374 return -EINVAL;
ad6e1107baa2e7 John Crispin 2012-04-26 375 }
1e2082b5207217 Stephen Warren 2012-03-02 376 if (map->data.mux.group) {
1e2082b5207217 Stephen Warren 2012-03-02 377 group = map->data.mux.group;
dff43594481269 Andy Shevchenko 2016-03-17 378 ret = match_string(groups, num_groups, group);
dff43594481269 Andy Shevchenko 2016-03-17 379 if (ret < 0) {
ad6e1107baa2e7 John Crispin 2012-04-26 380 dev_err(pctldev->dev,
ad6e1107baa2e7 John Crispin 2012-04-26 381 "invalid group \"%s\" for function \"%s\"\n",
ad6e1107baa2e7 John Crispin 2012-04-26 382 group, map->data.mux.function);
dff43594481269 Andy Shevchenko 2016-03-17 383 return ret;
ad6e1107baa2e7 John Crispin 2012-04-26 384 }
7ecdb16fe63e5b Stephen Warren 2012-03-02 385 } else {
7ecdb16fe63e5b Stephen Warren 2012-03-02 386 group = groups[0];
2744e8afb3b763 Linus Walleij 2011-05-02 387 }
2744e8afb3b763 Linus Walleij 2011-05-02 388
15f70e1b9a1a63 John Crispin 2012-04-23 389 ret = pinctrl_get_group_selector(pctldev, group);
ad6e1107baa2e7 John Crispin 2012-04-26 390 if (ret < 0) {
ad6e1107baa2e7 John Crispin 2012-04-26 391 dev_err(pctldev->dev, "invalid group %s in map table\n",
ad6e1107baa2e7 John Crispin 2012-04-26 392 map->data.mux.group);
15f70e1b9a1a63 John Crispin 2012-04-23 393 return ret;
ad6e1107baa2e7 John Crispin 2012-04-26 394 }
15f70e1b9a1a63 John Crispin 2012-04-23 395 setting->data.mux.group = ret;
2744e8afb3b763 Linus Walleij 2011-05-02 396
2744e8afb3b763 Linus Walleij 2011-05-02 397 return 0;
2744e8afb3b763 Linus Walleij 2011-05-02 398 }
2744e8afb3b763 Linus Walleij 2011-05-02 399
3f713b7c223ebe Masahiro Yamada 2017-08-04 400 void pinmux_free_setting(const struct pinctrl_setting *setting)
2744e8afb3b763 Linus Walleij 2011-05-02 401 {
1a78958dc212f3 Linus Walleij 2012-10-17 402 /* This function is currently unused */
2744e8afb3b763 Linus Walleij 2011-05-02 403 }
2744e8afb3b763 Linus Walleij 2011-05-02 404
3f713b7c223ebe Masahiro Yamada 2017-08-04 405 int pinmux_enable_setting(const struct pinctrl_setting *setting)
2744e8afb3b763 Linus Walleij 2011-05-02 406 {
7ecdb16fe63e5b Stephen Warren 2012-03-02 407 struct pinctrl_dev *pctldev = setting->pctldev;
ba110d90c08d96 Stephen Warren 2012-03-02 408 const struct pinctrl_ops *pctlops = pctldev->desc->pctlops;
2744e8afb3b763 Linus Walleij 2011-05-02 409 const struct pinmux_ops *ops = pctldev->desc->pmxops;
e5b3b2d9ed2026 Antoine Tenart 2014-04-10 410 int ret = 0;
e5b3b2d9ed2026 Antoine Tenart 2014-04-10 411 const unsigned *pins = NULL;
e5b3b2d9ed2026 Antoine Tenart 2014-04-10 412 unsigned num_pins = 0;
ba110d90c08d96 Stephen Warren 2012-03-02 413 int i;
ba110d90c08d96 Stephen Warren 2012-03-02 414 struct pin_desc *desc;
ba110d90c08d96 Stephen Warren 2012-03-02 415
e5b3b2d9ed2026 Antoine Tenart 2014-04-10 @416 if (pctlops->get_group_pins)
ba110d90c08d96 Stephen Warren 2012-03-02 417 ret = pctlops->get_group_pins(pctldev, setting->data.mux.group,
ba110d90c08d96 Stephen Warren 2012-03-02 418 &pins, &num_pins);
e5b3b2d9ed2026 Antoine Tenart 2014-04-10 419
ba110d90c08d96 Stephen Warren 2012-03-02 420 if (ret) {
1c8e794432c2ee Linus Walleij 2013-08-14 421 const char *gname;
1c8e794432c2ee Linus Walleij 2013-08-14 422
ba110d90c08d96 Stephen Warren 2012-03-02 423 /* errors only affect debug data, so just warn */
1c8e794432c2ee Linus Walleij 2013-08-14 424 gname = pctlops->get_group_name(pctldev,
ba110d90c08d96 Stephen Warren 2012-03-02 425 setting->data.mux.group);
1c8e794432c2ee Linus Walleij 2013-08-14 426 dev_warn(pctldev->dev,
1c8e794432c2ee Linus Walleij 2013-08-14 427 "could not get pins for group %s\n",
1c8e794432c2ee Linus Walleij 2013-08-14 428 gname);
ba110d90c08d96 Stephen Warren 2012-03-02 429 num_pins = 0;
ba110d90c08d96 Stephen Warren 2012-03-02 430 }
ba110d90c08d96 Stephen Warren 2012-03-02 431
1a78958dc212f3 Linus Walleij 2012-10-17 432 /* Try to allocate all pins in this group, one by one */
1a78958dc212f3 Linus Walleij 2012-10-17 433 for (i = 0; i < num_pins; i++) {
1a78958dc212f3 Linus Walleij 2012-10-17 434 ret = pin_request(pctldev, pins[i], setting->dev_name, NULL);
1a78958dc212f3 Linus Walleij 2012-10-17 435 if (ret) {
1c8e794432c2ee Linus Walleij 2013-08-14 436 const char *gname;
1c8e794432c2ee Linus Walleij 2013-08-14 437 const char *pname;
1c8e794432c2ee Linus Walleij 2013-08-14 438
1c8e794432c2ee Linus Walleij 2013-08-14 439 desc = pin_desc_get(pctldev, pins[i]);
1c8e794432c2ee Linus Walleij 2013-08-14 440 pname = desc ? desc->name : "non-existing";
1c8e794432c2ee Linus Walleij 2013-08-14 441 gname = pctlops->get_group_name(pctldev,
1c8e794432c2ee Linus Walleij 2013-08-14 442 setting->data.mux.group);
1a78958dc212f3 Linus Walleij 2012-10-17 443 dev_err(pctldev->dev,
1c8e794432c2ee Linus Walleij 2013-08-14 444 "could not request pin %d (%s) from group %s "
1c8e794432c2ee Linus Walleij 2013-08-14 445 " on device %s\n",
1c8e794432c2ee Linus Walleij 2013-08-14 446 pins[i], pname, gname,
1c8e794432c2ee Linus Walleij 2013-08-14 @447 pinctrl_dev_get_name(pctldev));
e38d457de7be63 Axel Lin 2012-11-10 448 goto err_pin_request;
1a78958dc212f3 Linus Walleij 2012-10-17 449 }
1a78958dc212f3 Linus Walleij 2012-10-17 450 }
1a78958dc212f3 Linus Walleij 2012-10-17 451
1a78958dc212f3 Linus Walleij 2012-10-17 452 /* Now that we have acquired the pins, encode the mux setting */
ba110d90c08d96 Stephen Warren 2012-03-02 453 for (i = 0; i < num_pins; i++) {
ba110d90c08d96 Stephen Warren 2012-03-02 454 desc = pin_desc_get(pctldev, pins[i]);
ba110d90c08d96 Stephen Warren 2012-03-02 455 if (desc == NULL) {
ba110d90c08d96 Stephen Warren 2012-03-02 456 dev_warn(pctldev->dev,
ba110d90c08d96 Stephen Warren 2012-03-02 457 "could not get pin desc for pin %d\n",
ba110d90c08d96 Stephen Warren 2012-03-02 458 pins[i]);
ba110d90c08d96 Stephen Warren 2012-03-02 459 continue;
ba110d90c08d96 Stephen Warren 2012-03-02 460 }
ba110d90c08d96 Stephen Warren 2012-03-02 461 desc->mux_setting = &(setting->data.mux);
ba110d90c08d96 Stephen Warren 2012-03-02 462 }
2744e8afb3b763 Linus Walleij 2011-05-02 463
03e9f0cac5da6a Linus Walleij 2014-09-03 464 ret = ops->set_mux(pctldev, setting->data.mux.func,
1e2082b5207217 Stephen Warren 2012-03-02 465 setting->data.mux.group);
e38d457de7be63 Axel Lin 2012-11-10 466
e38d457de7be63 Axel Lin 2012-11-10 467 if (ret)
03e9f0cac5da6a Linus Walleij 2014-09-03 468 goto err_set_mux;
e38d457de7be63 Axel Lin 2012-11-10 469
e38d457de7be63 Axel Lin 2012-11-10 470 return 0;
e38d457de7be63 Axel Lin 2012-11-10 471
03e9f0cac5da6a Linus Walleij 2014-09-03 472 err_set_mux:
e38d457de7be63 Axel Lin 2012-11-10 473 for (i = 0; i < num_pins; i++) {
e38d457de7be63 Axel Lin 2012-11-10 474 desc = pin_desc_get(pctldev, pins[i]);
e38d457de7be63 Axel Lin 2012-11-10 475 if (desc)
e38d457de7be63 Axel Lin 2012-11-10 476 desc->mux_setting = NULL;
e38d457de7be63 Axel Lin 2012-11-10 477 }
e38d457de7be63 Axel Lin 2012-11-10 478 err_pin_request:
e38d457de7be63 Axel Lin 2012-11-10 479 /* On error release all taken pins */
e38d457de7be63 Axel Lin 2012-11-10 480 while (--i >= 0)
e38d457de7be63 Axel Lin 2012-11-10 481 pin_free(pctldev, pins[i], NULL);
e38d457de7be63 Axel Lin 2012-11-10 482
e38d457de7be63 Axel Lin 2012-11-10 483 return ret;
befe5bdfbb698b Linus Walleij 2012-02-09 484 }
2744e8afb3b763 Linus Walleij 2011-05-02 485
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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