diff options
Diffstat (limited to 'arch/ppc/8xx_io/commproc.c')
| -rw-r--r-- | arch/ppc/8xx_io/commproc.c | 40 |
1 files changed, 1 insertions, 39 deletions
diff --git a/arch/ppc/8xx_io/commproc.c b/arch/ppc/8xx_io/commproc.c index 9da880be4dc..9d656de0f0f 100644 --- a/arch/ppc/8xx_io/commproc.c +++ b/arch/ppc/8xx_io/commproc.c @@ -34,7 +34,7 @@ #include <asm/page.h> #include <asm/pgtable.h> #include <asm/8xx_immap.h> -#include <asm/commproc.h> +#include <asm/cpm1.h> #include <asm/io.h> #include <asm/tlbflush.h> #include <asm/rheap.h> @@ -55,8 +55,6 @@ }) static void m8xx_cpm_dpinit(void); -static uint host_buffer; /* One page of host buffer */ -static uint host_end; /* end + 1 */ cpm8xx_t *cpmp; /* Pointer to comm processor space */ /* CPM interrupt vector functions. @@ -68,7 +66,6 @@ struct cpm_action { static struct cpm_action cpm_vecs[CPMVEC_NR]; static irqreturn_t cpm_interrupt(int irq, void * dev); static irqreturn_t cpm_error_interrupt(int irq, void *dev); -static void alloc_host_memory(void); /* Define a table of names to identify CPM interrupt handlers in * /proc/interrupts. */ @@ -158,21 +155,6 @@ m8xx_cpm_reset(void) cpmp = (cpm8xx_t *)commproc; } -/* 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; -} - /* This is called during init_IRQ. We used to do it above, but this * was too early since init_IRQ was not yet called. */ @@ -319,26 +301,6 @@ cpm_free_handler(int cpm_vec) cpm_vecs[cpm_vec].dev_id = NULL; } -/* 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. |