diff --git a/arch/powerpc/sysdev/commproc.c b/arch/powerpc/sysdev/commproc.c index 621bc6c1d4083601dcbfc24ebefdddb8c8e519f0..818d4b03f4e3934e0eba7a0addcee2e847e2c219 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 @@ int cpm_command(u32 command, u8 opcode) } 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. diff --git a/arch/ppc/8xx_io/commproc.c b/arch/ppc/8xx_io/commproc.c index 9da880be4dc0f408df58f39c1424b0eee31117f4..3f93af83b5140210d928f3ba57a73a698d4ec82b 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. diff --git a/include/asm-powerpc/commproc.h b/include/asm-powerpc/commproc.h index 9e3b8648648c485fa5edd836c83e0095461516e5..97575219ea8b1a02ebd63bc2da6597df780956ba 100644 --- a/include/asm-powerpc/commproc.h +++ b/include/asm-powerpc/commproc.h @@ -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. diff --git a/include/asm-ppc/commproc.h b/include/asm-ppc/commproc.h index 462abb185f07b8e9b34eb0356e9f5a8c3330559f..5418d6de17370f8fd2e40ff46e9f54c429d0f7fa 100644 --- a/include/asm-ppc/commproc.h +++ b/include/asm-ppc/commproc.h @@ -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.