From: Thomas Gleixner <tglx@linutronix.de>
To: tchalamarla@caviumnetworks.com
Cc: tj@kernel.org, stripathi@apm.com, linux-ide@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH V3] AHCI: Workaround for ThunderX Errata#22536
Date: Wed, 17 Feb 2016 17:12:04 +0100 (CET) [thread overview]
Message-ID: <alpine.DEB.2.11.1602171710350.19512@nanos> (raw)
In-Reply-To: <1455653329-4934-1-git-send-email-tchalamarla@caviumnetworks.com>
On Tue, 16 Feb 2016, tchalamarla@caviumnetworks.com wrote:
> +#ifdef CONFIG_ARM64
> +/* Due to ERRATA#22536, ThunderX need to handle
> + * HOST_IRQ_STAT differently.
> + * Work around is to make sure all pending IRQs
> + * are served before leaving handler
> + */
> +static irqreturn_t ahci_thunderx_irq_handler(int irq, void *dev_instance)
> +{
> + struct ata_host *host = dev_instance;
> + struct ahci_host_priv *hpriv;
> + unsigned int rc = 0;
> + void __iomem *mmio;
> + u32 irq_stat, irq_masked;
> + unsigned int handled = 1;
> +
> + VPRINTK("ENTER\n");
Come on. This VPRINK stuff is really pointless. Enable irq tracepoints, they
already track the enter/exit of interrupt handlers ....
Thanks,
tglx
next prev parent reply other threads:[~2016-02-17 16:13 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-16 20:08 tchalamarla
2016-02-17 16:12 ` Thomas Gleixner [this message]
2016-02-25 20:31 ` Tirumalesh Chalamarla
2016-02-29 21:12 ` Tejun Heo
2016-02-24 0:00 ` Tirumalesh Chalamarla
2016-02-29 21:17 ` Tejun Heo
2016-02-29 22:00 ` Tirumalesh Chalamarla
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