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| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-03-01 17:28:31 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-03-01 17:28:31 -0800 |
| commit | 132a69c6cc3dfa7fa354a88128acee7e6ee7082b (patch) | |
| tree | be77ed97c9c94cbcc9931c58ce1a061e9dc26755 | |
| parent | fb7d4045669b3ea0e92cf45963839a9808b7650c (diff) | |
| parent | 74bd7d093b8e87f35eaf3b14459b96a0e20d1d10 (diff) | |
| download | kernel_samsung_smdk4412-132a69c6cc3dfa7fa354a88128acee7e6ee7082b.zip kernel_samsung_smdk4412-132a69c6cc3dfa7fa354a88128acee7e6ee7082b.tar.gz kernel_samsung_smdk4412-132a69c6cc3dfa7fa354a88128acee7e6ee7082b.tar.bz2 | |
Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6:
[SPARC64]: Fix parport_pc build.
[SPARC64]: Update defconfig.
| -rw-r--r-- | arch/sparc64/defconfig | 5 | ||||
| -rw-r--r-- | include/asm-sparc64/dma.h | 4 | ||||
| -rw-r--r-- | include/asm-sparc64/parport.h | 22 |
3 files changed, 25 insertions, 6 deletions
diff --git a/arch/sparc64/defconfig b/arch/sparc64/defconfig index 59eef40..860b8b6 100644 --- a/arch/sparc64/defconfig +++ b/arch/sparc64/defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.21-rc1 -# Mon Feb 26 10:45:21 2007 +# Linux kernel version: 2.6.21-rc2 +# Wed Feb 28 09:50:51 2007 # CONFIG_SPARC=y CONFIG_SPARC64=y @@ -1219,6 +1219,7 @@ CONFIG_USB_HIDDEV=y # CONFIG_USB_SISUSBVGA is not set # CONFIG_USB_LD is not set # CONFIG_USB_TRANCEVIBRATOR is not set +# CONFIG_USB_IOWARRIOR is not set # CONFIG_USB_TEST is not set # diff --git a/include/asm-sparc64/dma.h b/include/asm-sparc64/dma.h index 93e5a06..1bf4f7a 100644 --- a/include/asm-sparc64/dma.h +++ b/include/asm-sparc64/dma.h @@ -205,10 +205,6 @@ do { u32 tmp = sbus_readl((__regs) + DMA_CSR); \ #define for_each_dvma(dma) \ for((dma) = dma_chain; (dma); (dma) = (dma)->next) -extern int get_dma_list(char *); -extern int request_dma(unsigned int, __const__ char *); -extern void free_dma(unsigned int); - /* From PCI */ #ifdef CONFIG_PCI diff --git a/include/asm-sparc64/parport.h b/include/asm-sparc64/parport.h index d389587..be9509c 100644 --- a/include/asm-sparc64/parport.h +++ b/include/asm-sparc64/parport.h @@ -23,8 +23,30 @@ static struct sparc_ebus_info { struct ebus_dma_info info; unsigned int addr; unsigned int count; + int lock; } sparc_ebus_dmas[PARPORT_PC_MAX_PORTS]; +static __inline__ int request_dma(unsigned int dmanr, const char *device_id) +{ + if (dmanr >= PARPORT_PC_MAX_PORTS) + return -EINVAL; + if (xchg(&sparc_ebus_dmas[dmanr].lock, 1) != 0) + return -EBUSY; + return 0; +} + +static __inline__ void free_dma(unsigned int dmanr) +{ + if (dmanr >= PARPORT_PC_MAX_PORTS) { + printk(KERN_WARNING "Trying to free DMA%d\n", dmanr); + return; + } + if (xchg(&sparc_ebus_dmas[dmanr].lock, 0) == 0) { + printk(KERN_WARNING "Trying to free free DMA%d\n", dmanr); + return; + } +} + static __inline__ void enable_dma(unsigned int dmanr) { ebus_dma_enable(&sparc_ebus_dmas[dmanr].info, 1); |