[POWERPC] 8xx: Remove unused m8xx_cpm_hostalloc/free/dump()

m8xx_cpm_hostalloc is still defined in commproc.c, but no users are left
in the kernel tree. m8xx_cpm_hostfree and m8xx_cpm_hostdump are only
defined in the headers. Remove this dead code.

Signed-off-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

1 files changed, 0 insertions, 38 deletions

diff --git a/arch/ppc/8xx_io/commproc.c b/arch/ppc/8xx_io/commproc.c
index 9da880be4dc..3f93af83b51 100644
--- a/arch/ppc/8xx_io/commproc.c
+++ b/arch/ppc/8xx_io/commproc.c
@@ -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.