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From: Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>
To: Ludovic Barre <ludovic.Barre@st.com>,
	Marek Vasut <marek.vasut@gmail.com>
Cc: David Woodhouse <dwmw2@infradead.org>,
	Brian Norris <computersforpeace@gmail.com>,
	Boris Brezillon <boris.brezillon@free-electrons.com>,
	Richard Weinberger <richard@nod.at>,
	Alexandre Torgue <alexandre.torgue@st.com>,
	Rob Herring <robh+dt@kernel.org>,
	linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org,
	devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 2/3] mtd: spi-nor: stm32-quadspi: fix prefetching outside fsize
Date: Sun, 29 Oct 2017 18:57:37 +0100	[thread overview]
Message-ID: <d438795f-b5a5-b275-2058-ef48bc68fc2d@wedev4u.fr> (raw)
In-Reply-To: <1509030755-19044-3-git-send-email-ludovic.Barre@st.com>

Le 26/10/2017 à 17:12, Ludovic Barre a écrit :
> From: Ludovic Barre <ludovic.barre@st.com>
> 
> When memory-mapped mode is used, a prefetching mechanism fully
> managed by the hardware allows to optimize the read from external
> the QSPI memory. A 32-bytes FIFO is used for prefetching.
> When the limit of flash size - fifo size is reached the prefetching
> mechanism tries to read outside the fsize.
> The stm32 quadspi hardware become busy and should be aborted.
> 
> Signed-off-by: Ludovic Barre <ludovic.barre@st.com>
> Reported-by: Bruno Herrera <bruherrera@gmail.com>
> Tested-by: Bruno Herrera <bruherrera@gmail.com>

Applied to the spi-nor/next branch of l2-mtd

Thanks!

  reply	other threads:[~2017-10-29 17:57 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-26 15:12 [PATCH v2 0/3] mtd: spi-nor: stm32-quadspi: fixes Ludovic Barre
2017-10-26 15:12 ` [PATCH v2 1/3] mtd: spi-nor: stm32-quadspi: Fix uninitialized error return code Ludovic Barre
2017-10-29 17:50   ` Cyrille Pitchen
2017-10-30  8:05     ` Ludovic BARRE
2017-10-26 15:12 ` [PATCH v2 2/3] mtd: spi-nor: stm32-quadspi: fix prefetching outside fsize Ludovic Barre
2017-10-29 17:57   ` Cyrille Pitchen [this message]
2017-10-26 15:12 ` [PATCH v2 3/3] mtd: spi-nor: stm32-quadspi: change license text Ludovic Barre
2017-10-29 17:51   ` Cyrille Pitchen

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