Error while compiling a cm kernel - Android Q&A, Help & Troubleshooting

I have try compiling Cyanogenmod 11.0 kernel for galaxy s4 I9505 and nexus 7 2012 wifi and on both i am getting two different errors which i cant find a fix for.
Nexus 7
Code:
CC drivers/cpuidle/governors/menu.o
drivers/cpuidle/governors/menu.c:128:12: warning: ‘get_loadavg’ defined but not used [-Wunused-function]
static int get_loadavg(void)
^
LD drivers/cpuidle/governors/built-in.o
LD drivers/cpuidle/built-in.o
LD drivers/crypto/built-in.o
CC drivers/dma/dmaengine.o
LD drivers/dma/built-in.o
CC [M] drivers/dma/timb_dma.o
In file included from include/linux/dmaengine.h:24:0,
from drivers/dma/timb_dma.c:23:
drivers/dma/timb_dma.c: In function ‘td_tx_status’:
drivers/dma/timb_dma.c:523:18: error: ‘last_complete’ undeclared (first use in this function)
__func__, ret, last_complete, last_used);
^
include/linux/device.h:876:41: note: in definition of macro ‘dev_dbg’
dev_printk(KERN_DEBUG, dev, format, ##arg); \
^
drivers/dma/timb_dma.c:523:18: note: each undeclared identifier is reported only once for each function it appears in
__func__, ret, last_complete, last_used);
^
include/linux/device.h:876:41: note: in definition of macro ‘dev_dbg’
dev_printk(KERN_DEBUG, dev, format, ##arg); \
^
drivers/dma/timb_dma.c:523:33: error: ‘last_used’ undeclared (first use in this function)
__func__, ret, last_complete, last_used);
^
include/linux/device.h:876:41: note: in definition of macro ‘dev_dbg’
dev_printk(KERN_DEBUG, dev, format, ##arg); \
^
drivers/dma/timb_dma.c:513:24: warning: unused variable ‘td_chan’ [-Wunused-variable]
struct timb_dma_chan *td_chan =
^
drivers/dma/timb_dma.c: In function ‘td_prep_slave_sg’:
drivers/dma/timb_dma.c:565:25: warning: comparison between ‘enum dma_data_direction’ and ‘enum dma_transfer_direction’ [-Wenum-compare]
if (td_chan->direction != direction) {
^
make[2]: *** [drivers/dma/timb_dma.o] Error 1
make[1]: *** [drivers/dma] Error 2
make: *** [drivers] Error 2
Galaxy S4 I9505
Code:
CHK include/linux/version.h
CHK include/generated/utsrelease.h
make[1]: `include/generated/mach-types.h' is up to date.
CC kernel/bounds.s
GEN include/generated/bounds.h
CC arch/arm/kernel/asm-offsets.s
In file included from include/linux/scatterlist.h:10:0,
from include/linux/dma-mapping.h:9,
from arch/arm/kernel/asm-offsets.c:15:
/home/user/SAMSUNG/arch/arm/include/asm/io.h:30:26: fatal error: mach/msm_rtb.h: No such file or directory
#include <mach/msm_rtb.h>
^
compilation terminated.
make[1]: *** [arch/arm/kernel/asm-offsets.s] Error 1
make: *** [prepare0] Error 2