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[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>
This commit is contained in:
Jochen Friedrich 2008-01-24 16:16:03 +01:00 committed by Kumar Gala
parent 7607341a26
commit 22f19daff4
4 changed files with 0 additions and 83 deletions
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37
arch/powerpc/sysdev/commproc.c
View File

@ -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.

38
arch/ppc/8xx_io/commproc.c
View File

@ -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.

4
include/asm-powerpc/commproc.h
View File

@ -87,10 +87,6 @@ extern uint cpm_dpram_phys(u8* addr);
extern void cpm_setbrg(uint brg, uint rate);
extern uint m8xx_cpm_hostalloc(uint size);
extern int m8xx_cpm_hostfree(uint start);
extern void m8xx_cpm_hostdump(void);
extern void cpm_load_patch(cpm8xx_t *cp);
/* Buffer descriptors used by many of the CPM protocols.

4
include/asm-ppc/commproc.h
View File

@ -75,10 +75,6 @@ extern void *cpm_dpram_addr(unsigned long offset);
extern uint cpm_dpram_phys(u8* addr);
extern void cpm_setbrg(uint brg, uint rate);
extern uint m8xx_cpm_hostalloc(uint size);
extern int m8xx_cpm_hostfree(uint start);
extern void m8xx_cpm_hostdump(void);
extern void cpm_load_patch(volatile immap_t *immr);
/* Buffer descriptors used by many of the CPM protocols.