From: sashiko-bot@kernel.org
To: "Linus Walleij" <linusw@kernel.org>
Cc: mfd@lists.linux.dev, linux-hwmon@vger.kernel.org, lee@kernel.org
Subject: Re: [PATCH v4 3/7] mfd: bcmbca-pmb: Add a shared BCMBCA PMC3 PMB transport
Date: Wed, 11 Nov 2026 11:09:24 +0000 [thread overview]
Message-ID: <sashiko-outbox-208852@kernel.org> (raw)
In-Reply-To: <20261111-xg6846b-bcmbca-xrdp-reset-v4-3-17035a5e8ad2@kernel.org>
> Add an MFD driver for shared access to the Power Management Bus (PMB)
> of the third generation Power Management Controller (PMC3), initially
> for BCM6846.
>
> Expose an uncached regmap to all children, encoding the bus, device and
> word offset in each register address. Keep keyhole semaphore acquisition
> and transaction recovery inside the MFD driver.
>
> A software timeout does not abort a transaction. If the keyhole is still
> busy, retain its hardware lock and reject new callers until delayed work
> observes completion and releases it.
>
> The keyhole register layout differs from older Broadcom PMB controllers.
> Match only BCM6846 for now.
>
> Signed-off-by: Linus Walleij <linusw@kernel.org>
Sashiko has reviewed this patch and found no issues.
--
Sashiko AI review · https://sashiko.dev/#/patchset/20261111-xg6846b-bcmbca-xrdp-reset-v4-0-17035a5e8ad2@kernel.org?part=3
next prev parent reply other threads:[~2026-11-11 11:09 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-11 11:00 [PATCH v4 0/7] BCMBCA PMB power, clock, reset and hardware monitoring support Linus Walleij
2026-11-11 11:00 ` [PATCH v4 1/7] dt-bindings: soc: Describe the BCM6846 Power Management Bus Linus Walleij
2026-11-11 11:11 ` sashiko-bot
2026-11-11 11:52 ` Linus Walleij
2026-11-11 17:05 ` Rob Herring (Arm)
2026-11-11 11:00 ` [PATCH v4 2/7] dt-bindings: mfd: Describe the BCM6846 PMC complex Linus Walleij
2026-11-11 11:06 ` sashiko-bot
2026-11-11 17:15 ` Rob Herring
2026-11-11 11:00 ` [PATCH v4 3/7] mfd: bcmbca-pmb: Add a shared BCMBCA PMC3 PMB transport Linus Walleij
2026-11-11 11:09 ` sashiko-bot [this message]
2026-11-11 11:00 ` [PATCH v4 4/7] pmdomain: bcm: Add BCMBCA PMB power domains Linus Walleij
2026-11-11 11:08 ` sashiko-bot
2026-11-11 11:00 ` [PATCH v4 5/7] reset: Add BCMBCA block resets through the PMB Linus Walleij
2026-11-11 11:08 ` sashiko-bot
2026-11-11 11:00 ` [PATCH v4 6/7] clk: bcm: Add BCMBCA PMB clocks Linus Walleij
2026-11-11 11:11 ` sashiko-bot
2026-11-12 13:58 ` Brian Masney
2026-11-11 11:00 ` [PATCH v4 7/7] hwmon: Add Broadcom PMB PVTMON monitoring Linus Walleij
2026-11-11 11:10 ` sashiko-bot
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