linux-kernel - Re: [PATCH] spmi: pmic_arb: add support for hw version 2

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Date:	Sat, 24 Jan 2015 14:45:19 +0200
From:	Stanimir Varbanov <svarbanov@...sol.com>
To:	Stephen Boyd <sboyd@...eaurora.org>
CC:	Gilad Avidov <gavidov@...eaurora.org>, sdharia@...eaurora.org,
	mlocke@...eaurora.org, linux-arm-msm@...r.kernel.org,
	gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
	iivanov@...sol.com, galak@...eaurora.org, agross@...eaurora.org
Subject: Re: [PATCH] spmi: pmic_arb: add support for hw version 2

Hi Gilad,

<snip>

>>  /* Interrupt Controller */
>>  #define SPMI_PIC_OWNER_ACC_STATUS(M, N)	(0x0000 + ((32 * (M)) + (4 * (N))))
> 
> It looks like these macros would change too, but nothing has been done
> here. Interrupts haven't been tested?

Stephen is right, the irq related operations are not used in irq_chip
methods. Do you plan to add it in next version?

<snip>

>> +/**
>> + * pmic_arb_ver: version dependent functionality and values.
>> + *
>> + * @non_data_cmd:	on v1 issues an spmi non-data command.
>> + * 			on v2 no HW support, returns -EOPNOTSUPP.
>> + * @offset:		on v1 offset of per-ee channel.
>> + * 			on v2 offset of per-ee and per-ppid channel.
>> + * @fmt_cmd:		formats a GENI/SPMI command.
>> + * @owner_acc_status:	on v1 offset of PMIC_ARB_SPMI_PIC_OWNERm_ACC_STATUSn
>> + * 			on v2 offset of SPMI_PIC_OWNERm_ACC_STATUSn.
>> + * @acc_enable:		on v1 offset of PMIC_ARB_SPMI_PIC_ACC_ENABLEn
>> + * 			on v2 offset of SPMI_PIC_ACC_ENABLEn.
>> + * @irq_status:		on v1 offset of PMIC_ARB_SPMI_PIC_IRQ_STATUSn
>> + * 			on v2 offset of SPMI_PIC_IRQ_STATUSn.
>> + * @irq_clear:		on v1 offset of PMIC_ARB_SPMI_PIC_IRQ_CLEARn
>> + * 			on v2 offset of SPMI_PIC_IRQ_CLEARn.
>> + * @geni_ctrl:		PMIC_ARB_GENI_CTRL offset.
>> + * @geni_status:	PMIC_ARB_GENI_STATUS offset.
>> + * @protocol_irq_status: PMIC_ARB_PROTOCOL_IRQ_STATUS offset.
>> + */

<snip>

-- 
regards,
Stan
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