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From: Antoine Tenart <antoine.tenart@bootlin.com>
To: Richard Cochran <richardcochran@gmail.com>
Cc: Antoine Tenart <antoine.tenart@bootlin.com>,
	davem@davemloft.net, alexandre.belloni@bootlin.com,
	UNGLinuxDriver@microchip.com, ralf@linux-mips.org,
	paul.burton@mips.com, jhogan@kernel.org, netdev@vger.kernel.org,
	linux-mips@vger.kernel.org, thomas.petazzoni@bootlin.com,
	allan.nielsen@microchip.com
Subject: Re: [PATCH net-next v2 8/8] net: mscc: PTP Hardware Clock (PHC) support
Date: Mon, 8 Jul 2019 10:17:22 +0200	[thread overview]
Message-ID: <20190708081722.GA2932@kwain> (raw)
In-Reply-To: <20190705220224.5i2uy4uxx5o4raaw@localhost>

Hi Richard,

On Fri, Jul 05, 2019 at 03:02:24PM -0700, Richard Cochran wrote:
> On Fri, Jul 05, 2019 at 09:52:13PM +0200, Antoine Tenart wrote:
> > +static irqreturn_t ocelot_ptp_rdy_irq_handler(int irq, void *arg)
> > +{
> > +	struct ocelot *ocelot = arg;
> > +
> > +	do {
> 
> > +		/* Check if a timestamp can be retrieved */
> > +		if (!(val & SYS_PTP_STATUS_PTP_MESS_VLD))
> > +			break;
> 
> As in my reply on v1, I suggest adding a sanity check on this ISR's
> infinite loop.

That's a good idea. I'll fix this in v3.

> > +	} while (true);

Thanks!
Antoine

-- 
Antoine Ténart, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

  reply	other threads:[~2019-07-08  8:17 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-05 19:52 [PATCH net-next v2 0/8] net: mscc: PTP Hardware Clock (PHC) support Antoine Tenart
2019-07-05 19:52 ` [PATCH net-next v2 1/8] Documentation/bindings: net: ocelot: document the PTP bank Antoine Tenart
2019-07-05 19:52 ` [PATCH net-next v2 2/8] MIPS: dts: mscc: describe the PTP register range Antoine Tenart
2019-07-22 22:24   ` Paul Burton
2019-07-05 19:52 ` [PATCH net-next v2 3/8] Documentation/bindings: net: ocelot: document the PTP ready IRQ Antoine Tenart
2019-07-05 19:52 ` [PATCH net-next v2 4/8] MIPS: dts: mscc: describe the PTP ready interrupt Antoine Tenart
2019-07-05 19:52 ` [PATCH net-next v2 5/8] net: mscc: describe the PTP register range Antoine Tenart
2019-07-05 19:52 ` [PATCH net-next v2 6/8] net: mscc: improve the frame header parsing readability Antoine Tenart
2019-07-05 19:52 ` [PATCH net-next v2 7/8] net: mscc: remove the frame_info cpuq member Antoine Tenart
2019-07-05 19:52 ` [PATCH net-next v2 8/8] net: mscc: PTP Hardware Clock (PHC) support Antoine Tenart
2019-07-05 22:02   ` Richard Cochran
2019-07-08  8:17     ` Antoine Tenart [this message]
2019-07-05 22:10   ` Jakub Kicinski
2019-07-08  8:48     ` Antoine Tenart
2019-07-08 19:06       ` Jakub Kicinski
2019-07-09 15:23         ` Antoine Tenart
2019-07-20 15:23   ` kbuild test robot

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