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parisc: firmware: Simplify calling non-PA20 functions 

Instead of usig #ifdefs, simply return PDC_BAD_PROC for functions
which aren't available on 64-bit CPUs.

Signed-off-by: Helge Deller <deller@gmx.de>
This commit is contained in:
Helge Deller 2023-09-07 08:51:20 +02:00
parent 4695e45ec0
commit 3756597a68
2 changed files with 12 additions and 4 deletions
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2
arch/parisc/include/asm/pdc.h
View File

@ -44,13 +44,11 @@ int pdc_model_capabilities(unsigned long *capabilities);
int pdc_model_platform_info(char *orig_prod_num, char *current_prod_num, char *serial_no);
int pdc_cache_info(struct pdc_cache_info *cache);
int pdc_spaceid_bits(unsigned long *space_bits);
#ifndef CONFIG_PA20
int pdc_btlb_info(struct pdc_btlb_info *btlb);
int pdc_btlb_insert(unsigned long long vpage, unsigned long physpage, unsigned long len,
unsigned long entry_info, unsigned long slot);
int pdc_btlb_purge_all(void);
int pdc_mem_map_hpa(struct pdc_memory_map *r_addr, struct pdc_module_path *mod_path);
#endif /* !CONFIG_PA20 */
int pdc_pim_toc11(struct pdc_toc_pim_11 *ret);
int pdc_pim_toc20(struct pdc_toc_pim_20 *ret);
int pdc_lan_station_id(char *lan_addr, unsigned long net_hpa);

14
arch/parisc/kernel/firmware.c
View File

@ -687,7 +687,6 @@ int pdc_spaceid_bits(unsigned long *space_bits)
return retval;
}
#ifndef CONFIG_PA20
/**
* pdc_btlb_info - Return block TLB information.
* @btlb: The return buffer.
@ -699,6 +698,9 @@ int pdc_btlb_info(struct pdc_btlb_info *btlb)
int retval;
unsigned long flags;
if (IS_ENABLED(CONFIG_PA20))
return PDC_BAD_PROC;
spin_lock_irqsave(&pdc_lock, flags);
retval = mem_pdc_call(PDC_BLOCK_TLB, PDC_BTLB_INFO, __pa(pdc_result), 0);
memcpy(btlb, pdc_result, sizeof(*btlb));
@ -716,6 +718,9 @@ int pdc_btlb_insert(unsigned long long vpage, unsigned long physpage, unsigned l
int retval;
unsigned long flags;
if (IS_ENABLED(CONFIG_PA20))
return PDC_BAD_PROC;
spin_lock_irqsave(&pdc_lock, flags);
retval = mem_pdc_call(PDC_BLOCK_TLB, PDC_BTLB_INSERT, (unsigned long) (vpage >> 32),
(unsigned long) vpage, physpage, len, entry_info, slot);
@ -728,6 +733,9 @@ int pdc_btlb_purge_all(void)
int retval;
unsigned long flags;
if (IS_ENABLED(CONFIG_PA20))
return PDC_BAD_PROC;
spin_lock_irqsave(&pdc_lock, flags);
retval = mem_pdc_call(PDC_BLOCK_TLB, PDC_BTLB_PURGE_ALL);
spin_unlock_irqrestore(&pdc_lock, flags);
@ -752,6 +760,9 @@ int pdc_mem_map_hpa(struct pdc_memory_map *address,
int retval;
unsigned long flags;
if (IS_ENABLED(CONFIG_PA20))
return PDC_BAD_PROC;
spin_lock_irqsave(&pdc_lock, flags);
memcpy(pdc_result2, mod_path, sizeof(*mod_path));
retval = mem_pdc_call(PDC_MEM_MAP, PDC_MEM_MAP_HPA, __pa(pdc_result),
@ -761,7 +772,6 @@ int pdc_mem_map_hpa(struct pdc_memory_map *address,
return retval;
}
#endif /* !CONFIG_PA20 */
/**
* pdc_lan_station_id - Get the LAN address.