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Message-ID: <201811260006.12xnV45N%fengguang.wu@intel.com>
Date: Mon, 26 Nov 2018 00:12:06 +0800
From: kbuild test robot <lkp@...el.com>
To: Nishad Kamdar <nishadkamdar@...il.com>
Cc: kbuild-all@...org, Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
devel@...verdev.osuosl.org, linux-fbdev@...r.kernel.org,
linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH 01/26] Staging: fbtft: fbtft-core: Switch to the gpio
descriptor interface
Hi Nishad,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on staging/staging-testing]
[also build test ERROR on v4.20-rc3 next-20181123]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Nishad-Kamdar/Staging-fbtft-Switch-to-the-gpio-descriptor-interface/20181125-232835
config: x86_64-randconfig-x001-201847 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64
All error/warnings (new ones prefixed by >>):
drivers/staging/fbtft/fbtft-core.c: In function 'fbtft_request_one_gpio':
>> drivers/staging/fbtft/fbtft-core.c:167:21: error: storage size of 'of_flags' isn't known
enum of_gpio_flags of_flags;
^~~~~~~~
drivers/staging/fbtft/fbtft-core.c:167:21: warning: unused variable 'of_flags' [-Wunused-variable]
drivers/staging/fbtft/fbtft-core.c:166:12: warning: unused variable 'flags' [-Wunused-variable]
int gpio, flags, ret = 0;
^~~~~
drivers/staging/fbtft/fbtft-core.c:166:6: warning: unused variable 'gpio' [-Wunused-variable]
int gpio, flags, ret = 0;
^~~~
--
drivers/staging/fbtft/fb_agm1264k-fl.c: In function 'reset':
>> drivers/staging/fbtft/fb_agm1264k-fl.c:82:22: warning: comparison between pointer and integer
if (par->gpio.reset == -1)
^~
>> drivers/staging/fbtft/fb_agm1264k-fl.c:87:17: warning: passing argument 1 of 'gpio_set_value' makes integer from pointer without a cast [-Wint-conversion]
gpio_set_value(par->gpio.reset, 0);
^~~
In file included from drivers/staging/fbtft/fb_agm1264k-fl.c:11:0:
include/linux/gpio.h:69:20: note: expected 'unsigned int' but argument is of type 'struct gpio_desc *'
static inline void gpio_set_value(unsigned int gpio, int value)
^~~~~~~~~~~~~~
drivers/staging/fbtft/fb_agm1264k-fl.c:89:17: warning: passing argument 1 of 'gpio_set_value' makes integer from pointer without a cast [-Wint-conversion]
gpio_set_value(par->gpio.reset, 1);
^~~
In file included from drivers/staging/fbtft/fb_agm1264k-fl.c:11:0:
include/linux/gpio.h:69:20: note: expected 'unsigned int' but argument is of type 'struct gpio_desc *'
static inline void gpio_set_value(unsigned int gpio, int value)
^~~~~~~~~~~~~~
drivers/staging/fbtft/fb_agm1264k-fl.c: In function 'write_reg8_bus8':
drivers/staging/fbtft/fb_agm1264k-fl.c:197:18: warning: passing argument 1 of 'gpio_set_value' makes integer from pointer without a cast [-Wint-conversion]
gpio_set_value(par->CS0, 1);
^~~
In file included from drivers/staging/fbtft/fb_agm1264k-fl.c:11:0:
include/linux/gpio.h:69:20: note: expected 'unsigned int' but argument is of type 'struct gpio_desc *'
static inline void gpio_set_value(unsigned int gpio, int value)
^~~~~~~~~~~~~~
drivers/staging/fbtft/fb_agm1264k-fl.c:198:18: warning: passing argument 1 of 'gpio_set_value' makes integer from pointer without a cast [-Wint-conversion]
gpio_set_value(par->CS1, 0);
^~~
In file included from drivers/staging/fbtft/fb_agm1264k-fl.c:11:0:
include/linux/gpio.h:69:20: note: expected 'unsigned int' but argument is of type 'struct gpio_desc *'
static inline void gpio_set_value(unsigned int gpio, int value)
^~~~~~~~~~~~~~
drivers/staging/fbtft/fb_agm1264k-fl.c:201:18: warning: passing argument 1 of 'gpio_set_value' makes integer from pointer without a cast [-Wint-conversion]
gpio_set_value(par->CS0, 0);
^~~
In file included from drivers/staging/fbtft/fb_agm1264k-fl.c:11:0:
include/linux/gpio.h:69:20: note: expected 'unsigned int' but argument is of type 'struct gpio_desc *'
static inline void gpio_set_value(unsigned int gpio, int value)
^~~~~~~~~~~~~~
drivers/staging/fbtft/fb_agm1264k-fl.c:202:18: warning: passing argument 1 of 'gpio_set_value' makes integer from pointer without a cast [-Wint-conversion]
gpio_set_value(par->CS1, 1);
^~~
In file included from drivers/staging/fbtft/fb_agm1264k-fl.c:11:0:
include/linux/gpio.h:69:20: note: expected 'unsigned int' but argument is of type 'struct gpio_desc *'
static inline void gpio_set_value(unsigned int gpio, int value)
^~~~~~~~~~~~~~
drivers/staging/fbtft/fb_agm1264k-fl.c:205:17: warning: passing argument 1 of 'gpio_set_value' makes integer from pointer without a cast [-Wint-conversion]
gpio_set_value(par->RS, 0); /* RS->0 (command mode) */
^~~
In file included from drivers/staging/fbtft/fb_agm1264k-fl.c:11:0:
include/linux/gpio.h:69:20: note: expected 'unsigned int' but argument is of type 'struct gpio_desc *'
static inline void gpio_set_value(unsigned int gpio, int value)
^~~~~~~~~~~~~~
drivers/staging/fbtft/fb_agm1264k-fl.c: In function 'write_vmem':
drivers/staging/fbtft/fb_agm1264k-fl.c:367:19: warning: passing argument 1 of 'gpio_set_value' makes integer from pointer without a cast [-Wint-conversion]
gpio_set_value(par->RS, 1); /* RS->1 (data mode) */
^~~
In file included from drivers/staging/fbtft/fb_agm1264k-fl.c:11:0:
include/linux/gpio.h:69:20: note: expected 'unsigned int' but argument is of type 'struct gpio_desc *'
static inline void gpio_set_value(unsigned int gpio, int value)
^~~~~~~~~~~~~~
drivers/staging/fbtft/fb_agm1264k-fl.c:390:19: warning: passing argument 1 of 'gpio_set_value' makes integer from pointer without a cast [-Wint-conversion]
gpio_set_value(par->RS, 1); /* RS->1 (data mode) */
^~~
In file included from drivers/staging/fbtft/fb_agm1264k-fl.c:11:0:
include/linux/gpio.h:69:20: note: expected 'unsigned int' but argument is of type 'struct gpio_desc *'
static inline void gpio_set_value(unsigned int gpio, int value)
^~~~~~~~~~~~~~
drivers/staging/fbtft/fb_agm1264k-fl.c:400:17: warning: passing argument 1 of 'gpio_set_value' makes integer from pointer without a cast [-Wint-conversion]
gpio_set_value(par->CS0, 1);
^~~
In file included from drivers/staging/fbtft/fb_agm1264k-fl.c:11:0:
include/linux/gpio.h:69:20: note: expected 'unsigned int' but argument is of type 'struct gpio_desc *'
static inline void gpio_set_value(unsigned int gpio, int value)
^~~~~~~~~~~~~~
drivers/staging/fbtft/fb_agm1264k-fl.c:401:17: warning: passing argument 1 of 'gpio_set_value' makes integer from pointer without a cast [-Wint-conversion]
gpio_set_value(par->CS1, 1);
^~~
In file included from drivers/staging/fbtft/fb_agm1264k-fl.c:11:0:
include/linux/gpio.h:69:20: note: expected 'unsigned int' but argument is of type 'struct gpio_desc *'
static inline void gpio_set_value(unsigned int gpio, int value)
^~~~~~~~~~~~~~
drivers/staging/fbtft/fb_agm1264k-fl.c: In function 'write':
drivers/staging/fbtft/fb_agm1264k-fl.c:411:17: warning: passing argument 1 of 'gpio_set_value' makes integer from pointer without a cast [-Wint-conversion]
gpio_set_value(par->RW, 0); /* set write mode */
^~~
In file included from drivers/staging/fbtft/fb_agm1264k-fl.c:11:0:
include/linux/gpio.h:69:20: note: expected 'unsigned int' but argument is of type 'struct gpio_desc *'
static inline void gpio_set_value(unsigned int gpio, int value)
^~~~~~~~~~~~~~
drivers/staging/fbtft/fb_agm1264k-fl.c:420:19: warning: passing argument 1 of 'gpio_set_value' makes integer from pointer without a cast [-Wint-conversion]
gpio_set_value(par->gpio.db[i], data & (1 << i));
^~~
In file included from drivers/staging/fbtft/fb_agm1264k-fl.c:11:0:
include/linux/gpio.h:69:20: note: expected 'unsigned int' but argument is of type 'struct gpio_desc *'
static inline void gpio_set_value(unsigned int gpio, int value)
^~~~~~~~~~~~~~
drivers/staging/fbtft/fb_agm1264k-fl.c:422:18: warning: passing argument 1 of 'gpio_set_value' makes integer from pointer without a cast [-Wint-conversion]
gpio_set_value(par->EPIN, 1);
^~~
In file included from drivers/staging/fbtft/fb_agm1264k-fl.c:11:0:
include/linux/gpio.h:69:20: note: expected 'unsigned int' but argument is of type 'struct gpio_desc *'
static inline void gpio_set_value(unsigned int gpio, int value)
^~~~~~~~~~~~~~
--
drivers/staging/fbtft/fb_bd663474.c: In function 'init_display':
>> drivers/staging/fbtft/fb_bd663474.c:27:19: warning: comparison between pointer and integer
if (par->gpio.cs != -1)
^~
>> drivers/staging/fbtft/fb_bd663474.c:28:18: warning: passing argument 1 of 'gpio_set_value' makes integer from pointer without a cast [-Wint-conversion]
gpio_set_value(par->gpio.cs, 0); /* Activate chip */
^~~
In file included from drivers/staging/fbtft/fb_bd663474.c:15:0:
include/linux/gpio.h:69:20: note: expected 'unsigned int' but argument is of type 'struct gpio_desc *'
static inline void gpio_set_value(unsigned int gpio, int value)
^~~~~~~~~~~~~~
--
drivers/staging/fbtft/fb_pcd8544.c: In function 'write_vmem':
>> drivers/staging/fbtft/fb_pcd8544.c:122:17: warning: passing argument 1 of 'gpio_set_value' makes integer from pointer without a cast [-Wint-conversion]
gpio_set_value(par->gpio.dc, 1);
^~~
In file included from drivers/staging/fbtft/fb_pcd8544.c:14:0:
include/linux/gpio.h:69:20: note: expected 'unsigned int' but argument is of type 'struct gpio_desc *'
static inline void gpio_set_value(unsigned int gpio, int value)
^~~~~~~~~~~~~~
--
drivers/staging/fbtft/fb_ssd1305.c: In function 'write_vmem':
>> drivers/staging/fbtft/fb_ssd1305.c:171:17: warning: passing argument 1 of 'gpio_set_value' makes integer from pointer without a cast [-Wint-conversion]
gpio_set_value(par->gpio.dc, 1);
^~~
In file included from drivers/staging/fbtft/fb_ssd1305.c:11:0:
include/linux/gpio.h:69:20: note: expected 'unsigned int' but argument is of type 'struct gpio_desc *'
static inline void gpio_set_value(unsigned int gpio, int value)
^~~~~~~~~~~~~~
--
drivers/staging/fbtft/fb_ssd1331.c: In function 'write_reg8_bus8':
>> drivers/staging/fbtft/fb_ssd1331.c:83:19: warning: comparison between pointer and integer
if (par->gpio.dc != -1)
^~
>> drivers/staging/fbtft/fb_ssd1331.c:84:18: warning: passing argument 1 of 'gpio_set_value' makes integer from pointer without a cast [-Wint-conversion]
gpio_set_value(par->gpio.dc, 0);
^~~
In file included from drivers/staging/fbtft/fb_ssd1331.c:5:0:
include/linux/gpio.h:69:20: note: expected 'unsigned int' but argument is of type 'struct gpio_desc *'
static inline void gpio_set_value(unsigned int gpio, int value)
^~~~~~~~~~~~~~
drivers/staging/fbtft/fb_ssd1331.c:106:19: warning: comparison between pointer and integer
if (par->gpio.dc != -1)
^~
drivers/staging/fbtft/fb_ssd1331.c:107:18: warning: passing argument 1 of 'gpio_set_value' makes integer from pointer without a cast [-Wint-conversion]
gpio_set_value(par->gpio.dc, 1);
^~~
In file included from drivers/staging/fbtft/fb_ssd1331.c:5:0:
include/linux/gpio.h:69:20: note: expected 'unsigned int' but argument is of type 'struct gpio_desc *'
static inline void gpio_set_value(unsigned int gpio, int value)
^~~~~~~~~~~~~~
--
drivers/staging/fbtft/fb_uc1701.c: In function 'write_vmem':
>> drivers/staging/fbtft/fb_uc1701.c:139:18: warning: passing argument 1 of 'gpio_set_value' makes integer from pointer without a cast [-Wint-conversion]
gpio_set_value(par->gpio.dc, 1);
^~~
In file included from drivers/staging/fbtft/fb_uc1701.c:14:0:
include/linux/gpio.h:69:20: note: expected 'unsigned int' but argument is of type 'struct gpio_desc *'
static inline void gpio_set_value(unsigned int gpio, int value)
^~~~~~~~~~~~~~
drivers/staging/fbtft/fb_uc1701.c:141:18: warning: passing argument 1 of 'gpio_set_value' makes integer from pointer without a cast [-Wint-conversion]
gpio_set_value(par->gpio.dc, 0);
^~~
In file included from drivers/staging/fbtft/fb_uc1701.c:14:0:
include/linux/gpio.h:69:20: note: expected 'unsigned int' but argument is of type 'struct gpio_desc *'
static inline void gpio_set_value(unsigned int gpio, int value)
^~~~~~~~~~~~~~
vim +167 drivers/staging/fbtft/fbtft-core.c
c296d5f9 Thomas Petazzoni 2014-12-31 158
c296d5f9 Thomas Petazzoni 2014-12-31 159 #ifdef CONFIG_OF
c296d5f9 Thomas Petazzoni 2014-12-31 160 static int fbtft_request_one_gpio(struct fbtft_par *par,
1dd49836 Nishad Kamdar 2018-11-25 161 const char *name, int index,
1dd49836 Nishad Kamdar 2018-11-25 162 struct gpio_desc **gpiop)
c296d5f9 Thomas Petazzoni 2014-12-31 163 {
c296d5f9 Thomas Petazzoni 2014-12-31 164 struct device *dev = par->info->device;
c296d5f9 Thomas Petazzoni 2014-12-31 165 struct device_node *node = dev->of_node;
c296d5f9 Thomas Petazzoni 2014-12-31 166 int gpio, flags, ret = 0;
c296d5f9 Thomas Petazzoni 2014-12-31 @167 enum of_gpio_flags of_flags;
c296d5f9 Thomas Petazzoni 2014-12-31 168
c296d5f9 Thomas Petazzoni 2014-12-31 169 if (of_find_property(node, name, NULL)) {
1dd49836 Nishad Kamdar 2018-11-25 170 *gpiop = devm_gpiod_get_index(dev, dev->driver->name, index,
1dd49836 Nishad Kamdar 2018-11-25 171 GPIOD_OUT_HIGH);
1dd49836 Nishad Kamdar 2018-11-25 172 if (IS_ERR(*gpiop)) {
1dd49836 Nishad Kamdar 2018-11-25 173 ret = PTR_ERR(*gpiop);
c296d5f9 Thomas Petazzoni 2014-12-31 174 dev_err(dev,
1dd49836 Nishad Kamdar 2018-11-25 175 "Failed to request %s GPIO:%d\n", name, ret);
c296d5f9 Thomas Petazzoni 2014-12-31 176 return ret;
1dd49836 Nishad Kamdar 2018-11-25 177
c296d5f9 Thomas Petazzoni 2014-12-31 178 }
1dd49836 Nishad Kamdar 2018-11-25 179 fbtft_par_dbg(DEBUG_REQUEST_GPIOS, par, "%s: '%s' GPIO\n",
1dd49836 Nishad Kamdar 2018-11-25 180 __func__, name);
c296d5f9 Thomas Petazzoni 2014-12-31 181 }
c296d5f9 Thomas Petazzoni 2014-12-31 182
c296d5f9 Thomas Petazzoni 2014-12-31 183 return ret;
c296d5f9 Thomas Petazzoni 2014-12-31 184 }
c296d5f9 Thomas Petazzoni 2014-12-31 185
:::::: The code at line 167 was first introduced by commit
:::::: c296d5f9957c03994a699d6739c27d4581a9f6c7 staging: fbtft: core support
:::::: TO: Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>
:::::: CC: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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