Commit 77089c52 authored by Helge Deller's avatar Helge Deller
Browse files

parisc: Add wrapper for pdc_instr() firmware function 



Signed-off-by: default avatarHelge Deller <deller@gmx.de>
parent 08b8a99b

arch/parisc/include/asm/pdc.h

+1 −0
Original line number Original line Diff line number Diff line
@@ -280,6 +280,7 @@ void setup_pdc(void); /* in inventory.c */ 
/* wrapper-functions from pdc.c */

/* wrapper-functions from pdc.c */





int pdc_add_valid(unsigned long address);

int pdc_add_valid(unsigned long address);

int pdc_instr(unsigned int *instr);

int pdc_chassis_info(struct pdc_chassis_info *chassis_info, void *led_info, unsigned long len);

int pdc_chassis_info(struct pdc_chassis_info *chassis_info, void *led_info, unsigned long len);

int pdc_chassis_disp(unsigned long disp);

int pdc_chassis_disp(unsigned long disp);

int pdc_chassis_warn(unsigned long *warn);

int pdc_chassis_warn(unsigned long *warn);

arch/parisc/kernel/firmware.c

+20 −0
Original line number Original line Diff line number Diff line
@@ -232,6 +232,26 @@ int pdc_add_valid(unsigned long address) 
}

}

EXPORT_SYMBOL(pdc_add_valid);

EXPORT_SYMBOL(pdc_add_valid);





/**

 * pdc_instr - Get instruction that invokes PDCE_CHECK in HPMC handler.

 * @instr: Pointer to variable which will get instruction opcode.

 *

 * The return value is PDC_OK (0) in case call succeeded.

 */

int __init pdc_instr(unsigned int *instr)

{

	int retval;

	unsigned long flags;



	spin_lock_irqsave(&pdc_lock, flags);

	retval = mem_pdc_call(PDC_INSTR, 0UL, __pa(pdc_result));

	convert_to_wide(pdc_result);

	*instr = pdc_result[0];

	spin_unlock_irqrestore(&pdc_lock, flags);



	return retval;

}



/**

/**

 * pdc_chassis_info - Return chassis information.

 * pdc_chassis_info - Return chassis information.

 * @result: The return buffer.

 * @result: The return buffer.