linux-kernel - Re: [PATCH 2/3] spi: bcm-qspi: clear MSPI spifie interrupt during probe

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Message-ID: <YWQq5cOvDTgf5rql@sirena.org.uk>
Date:   Mon, 11 Oct 2021 13:15:33 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Kamal Dasu <kdasu.kdev@...il.com>
Cc:     linux-spi@...r.kernel.org, linux-kernel@...r.kernel.org,
        f.fainelli@...il.com, bcm-kernel-feedback-list@...adcom.com,
        yendapally.reddy@...adcom.com, Kamal Dasu <kdasu@...adcom.com>
Subject: Re: [PATCH 2/3] spi: bcm-qspi: clear MSPI spifie interrupt during
 probe

On Fri, Oct 08, 2021 at 04:36:02PM -0400, Kamal Dasu wrote:
> From: Kamal Dasu <kdasu@...adcom.com>
> 
> Intermittent Kernel crash has been observed on probe in
> bcm_qspi_mspi_l2_isr() handler when the MSPI spifie interrupt bit
> has not been cleared before registering for interrupts.
> Fix the driver to move SoC specific custom interrupt handling code
> before we register IRQ in probe. Also clear MSPI interrupt status
> resgiter prior to registering IRQ handlers.

Fixes should come at the start of a series before any new code so that
they can be sent as bug fixes without pulling in any of the new work.

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