parisc: Add wrapper for pdc_instr() firmware function (77089c52) · Commits · e / devices / android_kernel_oneplus_sm7250

arch/parisc/include/asm/pdc.h

+1 −0

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

		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_disp(unsigned long disp);
		int pdc_chassis_warn(unsigned long *warn);

+20 −0

Original line number	Diff line number	Diff line
		@@ -232,6 +232,26 @@ int pdc_add_valid(unsigned long address)
		}
		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.
		* @result: The return buffer.