Author: dim Date: Thu Dec 26 00:11:19 2013 New Revision: 259902 URL: http://svnweb.freebsd.org/changeset/base/259902
Log: In sys/dev/drm/mach64_dma.c, remove static function mach64_set_dma_eol(), which has never been used, even by upstream, since its initial upstream commit (see http://cgit.freedesktop.org/mesa/drm/commit/?id=873e1c4d ) MFC after: 3 days Modified: head/sys/dev/drm/mach64_dma.c Modified: head/sys/dev/drm/mach64_dma.c ============================================================================== --- head/sys/dev/drm/mach64_dma.c Thu Dec 26 00:05:31 2013 (r259901) +++ head/sys/dev/drm/mach64_dma.c Thu Dec 26 00:11:19 2013 (r259902) @@ -559,54 +559,6 @@ void mach64_dump_ring_info(drm_mach64_pr /*@{*/ /** - * Add the end mark to the ring's new tail position. - * - * The bus master engine will keep processing the DMA buffers listed in the ring - * until it finds this mark, making it stop. - * - * \sa mach64_clear_dma_eol - */ -static __inline__ void mach64_set_dma_eol(volatile u32 *addr) -{ -#if defined(__i386__) - int nr = 31; - - /* Taken from include/asm-i386/bitops.h linux header */ - __asm__ __volatile__("lock;" "btsl %1,%0":"=m"(*addr) - :"Ir"(nr)); -#elif defined(__powerpc__) - u32 old; - u32 mask = cpu_to_le32(MACH64_DMA_EOL); - - /* Taken from the include/asm-ppc/bitops.h linux header */ - __asm__ __volatile__("\n\ -1: lwarx %0,0,%3 \n\ - or %0,%0,%2 \n\ - stwcx. %0,0,%3 \n\ - bne- 1b":"=&r"(old), "=m"(*addr) - :"r"(mask), "r"(addr), "m"(*addr) - :"cc"); -#elif defined(__alpha__) - u32 temp; - u32 mask = MACH64_DMA_EOL; - - /* Taken from the include/asm-alpha/bitops.h linux header */ - __asm__ __volatile__("1: ldl_l %0,%3\n" - " bis %0,%2,%0\n" - " stl_c %0,%1\n" - " beq %0,2f\n" - ".subsection 2\n" - "2: br 1b\n" - ".previous":"=&r"(temp), "=m"(*addr) - :"Ir"(mask), "m"(*addr)); -#else - u32 mask = cpu_to_le32(MACH64_DMA_EOL); - - *addr |= mask; -#endif -} - -/** * Remove the end mark from the ring's old tail position. * * It should be called after calling mach64_set_dma_eol to mark the ring's new _______________________________________________ svn-src-head@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
