Hi Noam,
[auto build test WARNING on v4.3-rc4 -- if it's inappropriate base, please ignore]
reproduce:
# apt-get install sparse
make ARCH=x86_64 allmodconfig
make C=1 CF=-D__CHECK_ENDIAN__
sparse warnings: (new ones prefixed by >>)
>> drivers/tty/serial/8250/8250_dw.c:214:27: sparse: incorrect type in argument 1 (different modifiers)
drivers/tty/serial/8250/8250_dw.c:214:27: expected void [noderef] <asn:2>*<noident>
drivers/tty/serial/8250/8250_dw.c:214:27: got void const [noderef] <asn:2>*addr
drivers/tty/serial/8250/8250_dw.c: In function '_dw8250_serial_in32be':
drivers/tty/serial/8250/8250_dw.c:214:20: warning: passing argument 1 of 'ioread32be' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
return ioread32be(addr);
^
In file included from arch/x86/include/asm/io.h:203:0,
from arch/x86/include/asm/realmode.h:5,
from arch/x86/include/asm/acpi.h:33,
from arch/x86/include/asm/fixmap.h:19,
from arch/x86/include/asm/apic.h:12,
from arch/x86/include/asm/smp.h:12,
from arch/x86/include/asm/mmzone_64.h:10,
from arch/x86/include/asm/mmzone.h:4,
from include/linux/mmzone.h:934,
from include/linux/gfp.h:5,
from include/linux/device.h:29,
from drivers/tty/serial/8250/8250_dw.c:16:
include/asm-generic/iomap.h:32:21: note: expected 'void *' but argument is of type 'const void *'
extern unsigned int ioread32be(void __iomem *);
^
vim +214 drivers/tty/serial/8250/8250_dw.c
198 }
199
200 static unsigned int dw8250_serial_in32(struct uart_port *p, int offset)
201 {
202 unsigned int value = readl(p->membase + (offset << p->regshift));
203
204 return dw8250_modify_msr(p, offset, value);
205 }
206
207 static void _dw8250_serial_out32be(unsigned int value, void __iomem *addr)
208 {
209 iowrite32be(value, addr);
210 }
211
212 static unsigned int _dw8250_serial_in32be(const void __iomem *addr)
213 {
> 214 return ioread32be(addr);
215 }
216
217 static void dw8250_serial_out32be(struct uart_port *p, int offset, int value)
218 {
219 iowrite32be(value, p->membase + (offset << p->regshift));
220 dw8250_check_LCR(p, offset, value);
221 }
222
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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