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author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-13 10:39:38 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-13 10:39:38 -0800 |
commit | 86f6f9b64a730844f1438cbedfacd6fb0170a7f7 (patch) | |
tree | cd80f8610b444ae3bd2ebfc136c2c3299a52bd9b /arch/sh/include/asm/io.h | |
parent | d33a6291c1c577ff2272edab7416a0f7308e1cef (diff) | |
parent | 8b6f08eaef16dfcfebc32fa9a017bf70336ad9ec (diff) | |
download | linux-86f6f9b64a730844f1438cbedfacd6fb0170a7f7.tar.gz linux-86f6f9b64a730844f1438cbedfacd6fb0170a7f7.tar.bz2 linux-86f6f9b64a730844f1438cbedfacd6fb0170a7f7.zip |
Merge branch 'sh-latest' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* 'sh-latest' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (31 commits)
sh: Add support for AP-SH4AD-0A board.
sh: Add support for AP-SH4A-3A board.
sh: Add a new mach type for alpha project boards.
serial: sh-sci: build fixes.
sh: sh7372 SH4AL-DSP probe support
sh: sh7366 Enable SDIO IRQs
sh: sh7343 Enable SDIO IRQs
sh: mach-ecovec24: enable runtime PM for SDHI
sh: sh7723 / ap325rxa enable SDIO IRQs
sh: sh7722 Enable SDIO IRQs
sh: sh7724 Enable SDIO IRQs
sh: Fix up legacy PTEA space attribute mapping.
sh: Stub out legacy PCC pgprot encoding for X2 TLBs.
sh: constify prefetch pointers.
sh: Add a machvec callback for early memblock reservations.
sh: update sh7757lcr_defconfig
sh: add PVR probing for SH7757 3rd cut
sh: Use device_initcall() instead of __initcall()
sh: intc - convert board specific landisk code
sh: Move init_landisk_IRQ to header file
...
Diffstat (limited to 'arch/sh/include/asm/io.h')
-rw-r--r-- | arch/sh/include/asm/io.h | 61 |
1 files changed, 9 insertions, 52 deletions
diff --git a/arch/sh/include/asm/io.h b/arch/sh/include/asm/io.h index 89ab2c57a4c2..28c5aa58bb45 100644 --- a/arch/sh/include/asm/io.h +++ b/arch/sh/include/asm/io.h @@ -11,11 +11,6 @@ * * While read{b,w,l,q} and write{b,w,l,q} contain memory barriers * automatically, there are also __raw versions, which do not. - * - * Historically, we have also had ctrl_in{b,w,l,q}/ctrl_out{b,w,l,q} for - * SuperH specific I/O (raw I/O to on-chip CPU peripherals). In practice - * these have the same semantics as the __raw variants, and as such, all - * new code should be using the __raw versions. */ #include <linux/errno.h> #include <asm/cache.h> @@ -231,52 +226,6 @@ __BUILD_IOPORT_STRING(q, u64) #endif -/* - * Legacy SuperH on-chip I/O functions - * - * These are all deprecated, all new (and especially cross-platform) code - * should be using the __raw_xxx() routines directly. - */ -static inline u8 __deprecated ctrl_inb(unsigned long addr) -{ - return __raw_readb(addr); -} - -static inline u16 __deprecated ctrl_inw(unsigned long addr) -{ - return __raw_readw(addr); -} - -static inline u32 __deprecated ctrl_inl(unsigned long addr) -{ - return __raw_readl(addr); -} - -static inline u64 __deprecated ctrl_inq(unsigned long addr) -{ - return __raw_readq(addr); -} - -static inline void __deprecated ctrl_outb(u8 v, unsigned long addr) -{ - __raw_writeb(v, addr); -} - -static inline void __deprecated ctrl_outw(u16 v, unsigned long addr) -{ - __raw_writew(v, addr); -} - -static inline void __deprecated ctrl_outl(u32 v, unsigned long addr) -{ - __raw_writel(v, addr); -} - -static inline void __deprecated ctrl_outq(u64 v, unsigned long addr) -{ - __raw_writeq(v, addr); -} - #define IO_SPACE_LIMIT 0xffffffff /* synco on SH-4A, otherwise a nop */ @@ -341,7 +290,15 @@ __ioremap_29bit(phys_addr_t offset, unsigned long size, pgprot_t prot) * mapping must be done by the PMB or by using page tables. */ if (likely(PXSEG(offset) < P3SEG && PXSEG(last_addr) < P3SEG)) { - if (unlikely(pgprot_val(prot) & _PAGE_CACHABLE)) + u64 flags = pgprot_val(prot); + + /* + * Anything using the legacy PTEA space attributes needs + * to be kicked down to page table mappings. + */ + if (unlikely(flags & _PAGE_PCC_MASK)) + return NULL; + if (unlikely(flags & _PAGE_CACHABLE)) return (void __iomem *)P1SEGADDR(offset); return (void __iomem *)P2SEGADDR(offset); |