Hi Wang, [auto build test WARNING on v4.4-rc8] [cannot apply to tty/tty-testing pm/linux-next next-20151231] [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/Wang-Hongcheng/8250-AMD-Carrizo-UART-PL300-DMA-enablement/20160104-133639 config: x86_64-randconfig-x013-01040119 (attached as .config) reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): >> drivers/acpi/acpi_apd.c:41:34: warning: 'amd_pl330' defined but not used [-Wunused-variable] static struct dma_pl330_platdata amd_pl330 = { ^ vim +/amd_pl330 +41 drivers/acpi/acpi_apd.c 25 #include <linux/amba/pl330.h> 26 27 #include "internal.h" 28 29 ACPI_MODULE_NAME("acpi_apd"); 30 struct apd_private_data; 31 32 /** 33 * ACPI_APD_SYSFS : add device attributes in sysfs 34 * ACPI_APD_PM : attach power domain to device 35 */ 36 #define ACPI_APD_SYSFS BIT(0) 37 #define ACPI_APD_PM BIT(1) 38 39 static u8 peri_id[2] = { 0, 1 }; 40 > 41 static struct dma_pl330_platdata amd_pl330 = { 42 .nr_valid_peri = 2, 43 .peri_id = peri_id, 44 .mcbuf_sz = 0, 45 .flags = IRQF_SHARED, 46 }; 47 /** 48 * struct apd_device_desc - a descriptor for apd device 49 * @flags: device flags like %ACPI_APD_SYSFS, %ACPI_APD_PM --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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