At Tue, 5 Sep 2006 11:06:41 +0800, littertiger wrote: > > in acore/memalloc.c line 114: > > /* for 2.2/2.4 kernels */ > #if defined(CONFIG_PCI) || defined(CONFIG_ISA) || defined(__i386__) > #define dma_alloc_coherent(dev,size,addr,flags) pci_alloc_consistent((struct pci_dev *)(dev),size,addr) > #define dma_free_coherent(dev,size,ptr,addr) pci_free_consistent((struct pci_dev *)(dev),size,ptr,addr) > #elif CONFIG_SBUS > #define dma_alloc_coherent(dev,size,addr,flags) sbus_alloc_consistent((struct sbus_dev *)(dev),size,addr) > #define dma_free_coherent(dev,size,ptr,addr) sbus_free_consistent((struct sbus_dev *)(dev),size,ptr,addr) > #else > #error "Need a bus for dma_alloc_coherent()" > #endif > > If my embedded device doesn't have PCI/ISA/SBUS, and isn't i386, there will be a compile error. > It seems alsa is designed only for x86, not for embedded devices without PCI/ISA/SBUS. > Isn't it? It is designed mainly for recent 2.6 kernels. The support for legacy kernels is optional. You just need to find a way to allocate a coherent memory area in your environment, equivalent with dma_alloc_coherent() or such. Takashi ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-devel
