On Thu, 07 Apr 2016, kbuild test robot <lkp@xxxxxxxxx> wrote: > 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) Meh, including linux/gpio.h works for CONFIG_GPIOLIB=y, but it fails to include the consumer function stubs for CONFIG_GPIOLIB=n. The fix is to include linux/gpio/consumer.h instead. BR, Jani. > 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) > > --- > 0-DAY kernel test infrastructure Open Source Technology Center > https://lists.01.org/pipermail/kbuild-all Intel Corporation -- Jani Nikula, Intel Open Source Technology Center _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
