Re: [PATCH v4 4/4] drm/i915/bxt: add bxt dsi gpio element support

kbuild test robot
2016-04-07T15:05:34Z

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Hi Jani,

[auto build test ERROR on drm-intel/for-linux-next]
[cannot apply to v4.6-rc2 next-20160407]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url: https://github.com/0day-ci/linux/commits/Jani-Nikula/drm-i915-dsi-improved-gpio-element-support-for-vlv-chv-bxt/20160407-223107
base: git://anongit.freedesktop.org/drm-intel for-linux-next
config: x86_64-randconfig-a0-04072115 (attached as .config)
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64

All errors (new ones prefixed by >>):

drivers/gpu/drm/i915/intel_dsi_panel_vbt.c: In function 'bxt_exec_gpio':
>> drivers/gpu/drm/i915/intel_dsi_panel_vbt.c:307:15: error: implicit declaration of function 'devm_gpiod_get_index' [-Werror=implicit-function-declaration]
gpio_desc = devm_gpiod_get_index(dev_priv->dev->dev,
^
>> drivers/gpu/drm/i915/intel_dsi_panel_vbt.c:309:16: error: 'GPIOD_OUT_LOW' undeclared (first use in this function)
value ? GPIOD_OUT_LOW :
^
drivers/gpu/drm/i915/intel_dsi_panel_vbt.c:309:16: note: each undeclared identifier is reported only once for each function it appears in
>> drivers/gpu/drm/i915/intel_dsi_panel_vbt.c:310:8: error: 'GPIOD_OUT_HIGH' undeclared (first use in this function)
GPIOD_OUT_HIGH);
^
>> drivers/gpu/drm/i915/intel_dsi_panel_vbt.c:321:2: error: implicit declaration of function 'gpiod_set_value' [-Werror=implicit-function-declaration]
gpiod_set_value(gpio_desc, value);
^
cc1: some warnings being treated as errors

vim +/devm_gpiod_get_index +307 drivers/gpu/drm/i915/intel_dsi_panel_vbt.c

301 {
302 /* XXX: this table is a quick ugly hack. */
303 static struct gpio_desc *bxt_gpio_table[U8_MAX + 1];
304 struct gpio_desc *gpio_desc = bxt_gpio_table[gpio_index];
305
306 if (!gpio_desc) {
> 307 gpio_desc = devm_gpiod_get_index(dev_priv->dev->dev,
308 NULL, gpio_index,
> 309 value ? GPIOD_OUT_LOW :
> 310 GPIOD_OUT_HIGH);
311
312 if (IS_ERR_OR_NULL(gpio_desc)) {
313 DRM_ERROR("GPIO index %u request failed (%ld)\n",
314 gpio_index, PTR_ERR(gpio_desc));
315 return;
316 }
317
318 bxt_gpio_table[gpio_index] = gpio_desc;
319 }
320
> 321 gpiod_set_value(gpio_desc, value);
322 }
323
324 static const u8 *mipi_exec_gpio(struct intel_dsi *intel_dsi, const u8 *data)

---
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https://lists.01.org/pipermail/kbuild-all Intel Corporation

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