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arc: Add virt_to_phys() stub

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Commit cf7c93cdd7 "usb: ehci: Implement V2P mapping"
introduced usage of virt_to_phys() in ehci-hcd.

Since there was no implementation of virt_to_phys() for ARC
compilation of the ehci-generic driver failed.

This change adds virt_to_phys() stub for ARC so now
USB driver for AXS101 board could be built again.

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Cc: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Acked-by: Marek Vasut <marex@denx.de>
This commit is contained in:
Alexey Brodkin 2016-04-08 09:21:12 -07:00
parent 8b15010b1f
commit 53637c911b
1 changed files with 5 additions and 0 deletions
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5
arch/arc/include/asm/io.h
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@ -239,4 +239,9 @@ static inline int __raw_writesl(unsigned int addr, void *data, int longlen)
#define setbits_8(addr, set) setbits(8, addr, set)
#define clrsetbits_8(addr, clear, set) clrsetbits(8, addr, clear, set)
static inline phys_addr_t virt_to_phys(void *vaddr)
{
return (phys_addr_t)((unsigned long)vaddr);
}
#endif /* __ASM_ARC_IO_H */