tmakin/tegra-linux-noble
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

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

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files
arch/powerpc/sysdev/commproc.c
-37
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.