diff options
Diffstat (limited to 'arch/powerpc/sysdev/commproc.c')
| -rw-r--r-- | arch/powerpc/sysdev/commproc.c | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/arch/powerpc/sysdev/commproc.c b/arch/powerpc/sysdev/commproc.c index 621bc6c..818d4b0 100644 --- a/arch/powerpc/sysdev/commproc.c +++ b/arch/powerpc/sysdev/commproc.c @@ -48,8 +48,6 @@ #ifndef CONFIG_PPC_CPM_NEW_BINDING static void m8xx_cpm_dpinit(void); #endif -static uint host_buffer; /* One page of host buffer */ -static uint host_end; /* end + 1 */ cpm8xx_t __iomem *cpmp; /* Pointer to comm processor space */ immap_t __iomem *mpc8xx_immr; static cpic8xx_t __iomem *cpic_reg; @@ -268,41 +266,6 @@ out: } EXPORT_SYMBOL(cpm_command); -/* We used to do this earlier, but have to postpone as long as possible - * to ensure the kernel VM is now running. - */ -static void -alloc_host_memory(void) -{ - dma_addr_t physaddr; - - /* Set the host page for allocation. - */ - host_buffer = (uint)dma_alloc_coherent(NULL, PAGE_SIZE, &physaddr, - GFP_KERNEL); - host_end = host_buffer + PAGE_SIZE; -} - -/* We also own one page of host buffer space for the allocation of - * UART "fifos" and the like. - */ -uint -m8xx_cpm_hostalloc(uint size) -{ - uint retloc; - - if (host_buffer == 0) - alloc_host_memory(); - - if ((host_buffer + size) >= host_end) - return(0); - - retloc = host_buffer; - host_buffer += size; - - return(retloc); -} - /* Set a baud rate generator. This needs lots of work. There are * four BRGs, any of which can be wired to any channel. * The internal baud rate clock is the system clock divided by 16. |
