Re: [v9 2/7] dmaengine: fsldma: Adding macro FSL_DMA_IN/OUT implement for ARM platform
From: kbuild test robot
Date: Mon Oct 22 2018 - 13:15:27 EST
Hi Peng,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on linux-sof-driver/master]
[also build test WARNING on v4.19 next-20181019]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Peng-Ma/dmaengine-fsldma-Replace-DMA_IN-OUT-by-FSL_DMA_IN-OUT/20181017-232444
base: https://github.com/thesofproject/linux master
config: powerpc-xes_mpc85xx_defconfig (attached as .config)
compiler: powerpc-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
GCC_VERSION=7.2.0 make.cross ARCH=powerpc
All warnings (new ones prefixed by >>):
In file included from drivers/dma/fsldma.c:41:0:
drivers/dma/fsldma.h: In function 'fsl_ioread64':
>> drivers/dma/fsldma.h:210:17: warning: passing argument 1 of 'in_le32' makes pointer from integer without a cast [-Wint-conversion]
return in_le32(fsl_addr) | in_le32(fsl_addr + 1) << 32;
^~~~~~~~
In file included from include/linux/io.h:25:0,
from include/linux/irq.h:20,
from arch/powerpc/include/asm/hardirq.h:6,
from include/linux/hardirq.h:9,
from include/linux/interrupt.h:11,
from include/linux/pci.h:32,
from drivers/dma/fsldma.c:29:
arch/powerpc/include/asm/io.h:172:15: note: expected 'const volatile u32 * {aka const volatile unsigned int *}' but argument is of type 'u32 {aka unsigned int}'
DEF_MMIO_IN_X(in_le32, 32, lwbrx);
^
arch/powerpc/include/asm/io.h:131:23: note: in definition of macro 'DEF_MMIO_IN_X'
static inline u##size name(const volatile u##size __iomem *addr) \
^~~~
In file included from drivers/dma/fsldma.c:41:0:
drivers/dma/fsldma.h:210:37: warning: passing argument 1 of 'in_le32' makes pointer from integer without a cast [-Wint-conversion]
return in_le32(fsl_addr) | in_le32(fsl_addr + 1) << 32;
^~~~~~~~
In file included from include/linux/io.h:25:0,
from include/linux/irq.h:20,
from arch/powerpc/include/asm/hardirq.h:6,
from include/linux/hardirq.h:9,
from include/linux/interrupt.h:11,
from include/linux/pci.h:32,
from drivers/dma/fsldma.c:29:
arch/powerpc/include/asm/io.h:172:15: note: expected 'const volatile u32 * {aka const volatile unsigned int *}' but argument is of type 'u32 {aka unsigned int}'
DEF_MMIO_IN_X(in_le32, 32, lwbrx);
^
arch/powerpc/include/asm/io.h:131:23: note: in definition of macro 'DEF_MMIO_IN_X'
static inline u##size name(const volatile u##size __iomem *addr) \
^~~~
In file included from drivers/dma/fsldma.c:41:0:
>> drivers/dma/fsldma.h:210:51: warning: left shift count >= width of type [-Wshift-count-overflow]
return in_le32(fsl_addr) | in_le32(fsl_addr + 1) << 32;
^~
drivers/dma/fsldma.h: In function 'fsl_ioread64be':
>> drivers/dma/fsldma.h:223:17: warning: passing argument 1 of 'in_be32' makes pointer from integer without a cast [-Wint-conversion]
return in_be32(fsl_addr + 1) | in_be32(fsl_addr) << 32;
^~~~~~~~
In file included from include/linux/io.h:25:0,
from include/linux/irq.h:20,
from arch/powerpc/include/asm/hardirq.h:6,
from include/linux/hardirq.h:9,
from include/linux/interrupt.h:11,
from include/linux/pci.h:32,
from drivers/dma/fsldma.c:29:
arch/powerpc/include/asm/io.h:170:15: note: expected 'const volatile u32 * {aka const volatile unsigned int *}' but argument is of type 'u32 {aka unsigned int}'
DEF_MMIO_IN_D(in_be32, 32, lwz);
^
arch/powerpc/include/asm/io.h:149:23: note: in definition of macro 'DEF_MMIO_IN_D'
static inline u##size name(const volatile u##size __iomem *addr) \
^~~~
In file included from drivers/dma/fsldma.c:41:0:
drivers/dma/fsldma.h:223:41: warning: passing argument 1 of 'in_be32' makes pointer from integer without a cast [-Wint-conversion]
return in_be32(fsl_addr + 1) | in_be32(fsl_addr) << 32;
^~~~~~~~
In file included from include/linux/io.h:25:0,
from include/linux/irq.h:20,
from arch/powerpc/include/asm/hardirq.h:6,
from include/linux/hardirq.h:9,
from include/linux/interrupt.h:11,
from include/linux/pci.h:32,
from drivers/dma/fsldma.c:29:
arch/powerpc/include/asm/io.h:170:15: note: expected 'const volatile u32 * {aka const volatile unsigned int *}' but argument is of type 'u32 {aka unsigned int}'
DEF_MMIO_IN_D(in_be32, 32, lwz);
^
arch/powerpc/include/asm/io.h:149:23: note: in definition of macro 'DEF_MMIO_IN_D'
static inline u##size name(const volatile u##size __iomem *addr) \
^~~~
In file included from drivers/dma/fsldma.c:41:0:
drivers/dma/fsldma.h:223:51: warning: left shift count >= width of type [-Wshift-count-overflow]
return in_be32(fsl_addr + 1) | in_be32(fsl_addr) << 32;
^~
vim +/in_le32 +210 drivers/dma/fsldma.h
204
205 #ifndef __powerpc64__
206 static u64 fsl_ioread64(const u64 __iomem *addr)
207 {
208 u32 fsl_addr = lower_32_bits(addr);
209
> 210 return in_le32(fsl_addr) | in_le32(fsl_addr + 1) << 32;
211 }
212
213 static void fsl_iowrite64(u64 val, u64 __iomem *addr)
214 {
215 out_le32((u32 __iomem *)addr + 1, val >> 32);
216 out_le32((u32 __iomem *)addr, (u32)val);
217 }
218
219 static u64 fsl_ioread64be(const u64 __iomem *addr)
220 {
221 u32 fsl_addr = lower_32_bits(addr);
222
> 223 return in_be32(fsl_addr + 1) | in_be32(fsl_addr) << 32;
224 }
225
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