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

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Date:   Sun, 10 Oct 2021 19:53:52 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Kamal Dasu <kdasu.kdev@...il.com>, broonie@...nel.org,
        linux-spi@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     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 10/8/2021 1:36 PM, 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: cc20a38612db ("spi: iproc-qspi: Add Broadcom iProc SoCs support")
> Signed-off-by: Kamal Dasu <kdasu@...adcom.com>

Acked-by: Florian Fainelli <f.fainelli@...il.com>
-- 
Florian