[General Questions and Answers] Suvam Mondal:
So I was compiling kernel for my Meizu m2 note and I encountered this error :

In file included from /home/suvam/RRMM/kernel/meizu/m2note/arch/arm64/include/asm/io.h:243:0,
from /home/suvam/RRMM/kernel/meizu/m2note/include/linux/clocksource.h:19,
from /home/suvam/RRMM/kernel/meizu/m2note/include/clocksource/arm_arch_timer.h:19,
from /home/suvam/RRMM/kernel/meizu/m2note/arch/arm64/include/asm/arch_timer.h:27,
from /home/suvam/RRMM/kernel/meizu/m2note/arch/arm64/include/asm/timex.h:19,
from /home/suvam/RRMM/kernel/meizu/m2note/include/linux/timex.h:65,
from /home/suvam/RRMM/kernel/meizu/m2note/include/linux/jiffies.h:8,
from /home/suvam/RRMM/kernel/meizu/m2note/include/linux/ktime.h:25,
from /home/suvam/RRMM/kernel/meizu/m2note/include/linux/timer.h:5,
from /home/suvam/RRMM/kernel/meizu/m2note/include/linux/workqueue.h:8,
from /home/suvam/RRMM/kernel/meizu/m2note/include/linux/pm.h:25,
from /home/suvam/RRMM/kernel/meizu/m2note/include/linux/device.h:25,
from drivers/misc/mediatek/mach/mt6735/camera_isp_D1.c:11:
/home/suvam/RRMM/kernel/meizu/m2note/include/asm-generic/iomap.h:31:21: note: expected 'void *' but argument is of type 'long unsigned int'
extern unsigned int ioread32(void __iomem *);
^
drivers/misc/mediatek/mach/mt6735/camera_isp_D1.c:99:26: warning: passing argument 1 of 'ioread32' makes pointer from integer without a cast
#define ISP_RD32(addr) ioread32(addr)
^
/home/suvam/RRMM/kernel/meizu/m2note/include/linux/printk.h:248:38: note: in expansion of macro 'ISP_RD32'
no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
^
drivers/misc/mediatek/mach/mt6735/camera_isp_D1.c:87:37: note: in expansion of macro 'pr_debug'
#define LOG_DBG(format, args...) pr_debug(MyTag format, ##args)
^
drivers/misc/mediatek/mach/mt6735/camera_isp_D1.c:10828:3: note: in expansion of macro 'LOG_DBG'
LOG_DBG("0x%08X %08X", (unsigned int)(ISP_TPIPE_ADDR + 0x00a8), (unsigned int)ISP_RD32(ISP_ADDR + 0x00a8));
^
In file included from /home/suvam/RRMM/kernel/meizu/m2note/arch/arm64/include/asm/io.h:243:0,
from /home/suvam/RRMM/kernel/meizu/m2note/include/linux/clocksource.h:19,
from /home/suvam/RRMM/kernel/meizu/m2note/include/clocksource/arm_arch_timer.h:19,
from /home/suvam/RRMM/kernel/meizu/m2note/arch/arm64/include/asm/arch_timer.h:27,
from /home/suvam/RRMM/kernel/meizu/m2note/arch/arm64/include/asm/timex.h:19,
from /home/suvam/RRMM/kernel/meizu/m2note/include/linux/timex.h:65,
from /home/suvam/RRMM/kernel/meizu/m2note/include/linux/jiffies.h:8,
from /home/suvam/RRMM/kernel/meizu/m2note/include/linux/ktime.h:25,
from /home/suvam/RRMM/kernel/meizu/m2note/include/linux/timer.h:5,
from /home/suvam/RRMM/kernel/meizu/m2note/include/linux/workqueue.h:8,
from /home/suvam/RRMM/kernel/meizu/m2note/include/linux/pm.h:25,
from /home/suvam/RRMM/kernel/meizu/m2note/include/linux/device.h:25,
from drivers/misc/mediatek/mach/mt6735/camera_isp_D1.c:11:
/home/suvam/RRMM/kernel/meizu/m2note/include/asm-generic/iomap.h:31:21: note: expected 'void *' but argument is of type 'long unsigned int'
extern unsigned int ioread32(void __iomem *);
^
drivers/misc/mediatek/mach/mt6735/camera_isp_D1.c: At top level:
drivers/misc/mediatek/mach/mt6735/camera_isp_D1.c:175:22: warning: 'g_isp_base_dase' defined but not used [-Wunused-variable]
static void __iomem *g_isp_base_dase;
^
drivers/misc/mediatek/mach/mt6735/camera_isp_D1.c:176:22: warning: 'g_isp_inner_base_dase' defined but not used [-Wunused-variable]
static void __iomem *g_isp_inner_base_dase;
^
drivers/misc/mediatek/mach/mt6735/camera_isp_D1.c:177:22: warning: 'g_imgsys_config_base_dase' defined but not used [-Wunused-variable]
static void __iomem *g_imgsys_config_base_dase;
^
drivers/misc/mediatek/mach/mt6735/camera_isp_D1.c: In function 'compat_put_isp_read_register_data':
drivers/misc/mediatek/mach/mt6735/camera_isp_D1.c:8407:6: warning: 'err' is used uninitialized in this function [-Wuninitialized]
err |= get_user(count, &data->Count);
^
drivers/misc/mediatek/mach/mt6735/camera_isp_D1.c: In function 'ISP_DONE_Buf_Time.isra.4':
drivers/misc/mediatek/mach/mt6735/camera_isp_D1.c:5522:49: warning: 'out' may be used uninitialized in this function [-Wmaybe-uninitialized]
pstRTBuf->ring_buf[i_dma].img_cnt = sof_count[out];
^
drivers/misc/mediatek/mach/mt6735/camera_isp_D1.c: In function 'ISP_Buf_CTRL_FUNC':
drivers/misc/mediatek/mach/mt6735/camera_isp_D1.c:4447:34: warning: 'out' may be used uninitialized in this function [-Wmaybe-uninitialized]
deque_buf.sof_cnt = sof_count[out];
^
LD drivers/misc/mediatek/mach/mt6735/built-in.o
LD drivers/misc/mediatek/mach/built-in.o
make[4]: *** [drivers/misc/mediatek] Error 2
make[3]: *** [drivers/misc] Error 2
make[2]: *** [drivers] Error 2
make[1]: *** [sub-make] Error 2
make[1]: Leaving directory `/home/suvam/RRMM/kernel/meizu/m2note'
make: *** [TARGET_KERNEL_BINARIES] Error 2

#### make failed to build some targets (09:32 (mm:ss)) ####

Can somebody please help me out ?