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From: Lee Trager <lee@trager.us>
To: Andre Przywara <andre.przywara@arm.com>,
	Lorenzo Pieralisi <lpieralisi@kernel.org>,
	Hanjun Guo <guohanjun@huawei.com>,
	Sudeep Holla <sudeep.holla@kernel.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>,
	"Rafael J . Wysocki" <rafael@kernel.org>,
	Len Brown <lenb@kernel.org>, James Morse <james.morse@arm.com>,
	Ben Horgan <ben.horgan@arm.com>,
	Reinette Chatre <reinette.chatre@intel.com>,
	Fenghua Yu <fenghuay@nvidia.com>
Cc: Jonathan Cameron <jic23@kernel.org>,
	Srivathsa L Rao <srivathsa.rao@oss.qualcomm.com>,
	Ganapatrao Kulkarni <ganapatrao.kulkarni@oss.qualcomm.com>,
	Trilok Soni <tsoni@quicinc.com>,
	Srinivas Ramana <sramana@qti.qualcomm.com>,
	Niyas Sait <niyas.sait@arm.com>,
	linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 16/16] arm_mpam: detect and enable MPAM-Fb PCC support
Date: Wed, 15 Jul 2026 09:08:15 -0700	[thread overview]
Message-ID: <52dc486f-2ef2-4c57-b3fb-fb4c240a9198@trager.us> (raw)
In-Reply-To: <20260710144520.917375-17-andre.przywara@arm.com>

On 7/10/26 7:45 AM, Andre Przywara wrote:

> diff --git a/drivers/acpi/arm64/mpam.c b/drivers/acpi/arm64/mpam.c
> index 84963a20c3e7..64bc84bb2029 100644
> --- a/drivers/acpi/arm64/mpam.c
> +++ b/drivers/acpi/arm64/mpam.c
> @@ -256,6 +256,8 @@ static struct platform_device * __init acpi_mpam_parse_msc(struct acpi_mpam_msc_
>   	} else if (iface == MPAM_IFACE_PCC) {
>   		props[next_prop++] = PROPERTY_ENTRY_U32("pcc-channel",
>   							tbl_msc->base_address);
> +		props[next_prop++] = PROPERTY_ENTRY_U32("msc-id",
> +							tbl_msc->identifier);
>   	}

props is defined above as:

/* pcc, nrdy, affinity, and a sentinel */

struct property_entry props[4] = { 0 };

With the addition of the new property the array size needs to be 
increased to 5 and the comment updated



      parent reply	other threads:[~2026-07-15 16:08 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-10 14:45 [PATCH v3 00/16] arm_mpam: Add MPAM-Fb firmware support Andre Przywara
2026-07-10 14:45 ` [PATCH v3 01/16] arm_mpam: let low level MSC read accessors return an error Andre Przywara
2026-07-10 18:11   ` Jonathan Cameron
2026-07-10 21:40     ` Andre Przywara
2026-07-15 16:01       ` Ben Horgan
2026-07-10 14:45 ` [PATCH v3 02/16] arm_mpam: propagate MSC read errors for wrapper functions Andre Przywara
2026-07-10 18:21   ` Jonathan Cameron
2026-07-10 14:45 ` [PATCH v3 03/16] arm_mpam: propagate MSC read errors for hw_probe functions Andre Przywara
2026-07-10 18:31   ` Jonathan Cameron
2026-07-10 14:45 ` [PATCH v3 04/16] arm_mpam: propagate MSC read errors for mpam_msc_read_mbwu_l() Andre Przywara
2026-07-10 18:40   ` Jonathan Cameron
2026-07-15 13:35   ` Ben Horgan
2026-07-10 14:45 ` [PATCH v3 05/16] arm_mpam: propagate MSC read errors for msmon helpers Andre Przywara
2026-07-10 18:44   ` Jonathan Cameron
2026-07-10 14:45 ` [PATCH v3 06/16] arm_mpam: propagate MSC read errors for __ris_msmon_read() Andre Przywara
2026-07-10 18:48   ` Jonathan Cameron
2026-07-15 19:52   ` Lee Trager
2026-07-10 14:45 ` [PATCH v3 07/16] arm_mpam: __ris_msmon_read(): get rid of nrdy special handling Andre Przywara
2026-07-10 18:56   ` Jonathan Cameron
2026-07-15 13:39   ` Ben Horgan
2026-07-10 14:45 ` [PATCH v3 08/16] arm_mpam: propagate MSC read errors for state saving functions Andre Przywara
2026-07-10 19:00   ` Jonathan Cameron
2026-07-10 14:45 ` [PATCH v3 09/16] arm_mpam: let low level MSC write accessors return an error Andre Przywara
2026-07-10 19:02   ` Jonathan Cameron
2026-07-10 14:45 ` [PATCH v3 10/16] arm_mpam: propagate MSC write errors for ESR and part_sel wrappers Andre Przywara
2026-07-10 14:45 ` [PATCH v3 11/16] arm_mpam: propagate MSC write errors for hardware probe functions Andre Przywara
2026-07-10 19:04   ` Jonathan Cameron
2026-07-10 14:45 ` [PATCH v3 12/16] arm_mpam: propagate MSC write errors for remaining MSC write users Andre Przywara
2026-07-10 19:10   ` Jonathan Cameron
2026-07-10 14:45 ` [PATCH v3 13/16] arm_mpam: prepare mon_sel locking for MPAM-Fb Andre Przywara
2026-07-10 19:14   ` Jonathan Cameron
2026-07-15 15:16   ` Ben Horgan
2026-07-10 14:45 ` [PATCH v3 14/16] arm_mpam: add MPAM-Fb MSC firmware access support Andre Przywara
2026-07-10 19:58   ` Jonathan Cameron
2026-07-14 12:27   ` Niyas Sait
2026-07-15 16:17   ` Ben Horgan
2026-07-10 14:45 ` [PATCH v3 15/16] arm_mpam: prevent MPAM-Fb accesses inside IRQ handler Andre Przywara
2026-07-15 16:08   ` Ben Horgan
2026-07-10 14:45 ` [PATCH v3 16/16] arm_mpam: detect and enable MPAM-Fb PCC support Andre Przywara
2026-07-10 20:10   ` Jonathan Cameron
2026-07-14 12:32   ` Niyas Sait
2026-07-15 16:08   ` Lee Trager [this message]

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