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 for linux-mtd@lists.infradead.org; Fri, 28 Sep 2018 06:57:46 +0000
Date: Fri, 28 Sep 2018 08:56:56 +0200
From: Boris Brezillon <boris.brezillon@bootlin.com>
To: Chris Packham <Chris.Packham@alliedtelesis.co.nz>
Cc: "linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>,
 "stable@vger.kernel.org" <stable@vger.kernel.org>, Daniel Mack
 <daniel@zonque.org>, Miquel Raynal <miquel.raynal@bootlin.com>
Subject: Re: [PATCH v2] mtd: rawnand: marvell: check for RDY bits after
 enabling the IRQ
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On Fri, 28 Sep 2018 08:40:46 +0200
Boris Brezillon <boris.brezillon@bootlin.com> wrote:

> > marvell-nfc f10d0000.nand-controller: Timeout on RDDREQ while draining 
> > FIFO (data) (NDSR: 0x00000810)
> > ttyS ttyS1: tty_port_close_start: tty->count = 1 port count = 2
> > marvell-nfc f10d0000.nand-controller: Timeout on RDDREQ while draining 
> > FIFO (data) (NDSR: 0x00000810)
> > marvell-nfc f10d0000.nand-controller: Timeout on RDDREQ while draining 
> > FIFO (data) (NDSR: 0x00000810)
> > marvell-nfc f10d0000.nand-controller: Timeout on RDDREQ while draining 
> > FIFO (data) (NDSR: 0x00000810)
> > marvell-nfc f10d0000.nand-controller: Timeout on RDDREQ while draining 
> > FIFO (data) (NDSR: 0x00000810)
> > marvell-nfc f10d0000.nand-controller: Timeout on RDDREQ while draining 
> > FIFO (data) (NDSR: 0x00000810)
> > marvell-nfc f10d0000.nand-controller: Timeout on RDDREQ while draining 
> > FIFO (data) (NDSR: 0x00000810)
> > 
> > ... (RDDREQ messages repeat).  
> 
> Hm, that's weird, unless RDDREQ is a 'clear-on-read' bit, that
> shouldn't happen.

BTW, I dropped the patch.