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Date: Thu, 2 Nov 2017 12:06:24 -0700 From: Florian Fainelli <f.fainelli@...il.com> To: Stefan Wahren <stefan.wahren@...e.com>, Florian Fainelli <f.fainelli@...il.com> Cc: Krzysztof Kozlowski <krzk@...nel.org>, Ray Jui <rjui@...adcom.com>, Eric Anholt <eric@...olt.net>, Rob Herring <robh+dt@...nel.org>, Steffen Trumtrar <s.trumtrar@...gutronix.de>, Harald Freudenberger <freude@...ux.vnet.ibm.com>, Russell King <rmk+kernel@...linux.org.uk>, "moderated list:BROADCOM BCM2835 ARM ARCHITECTURE" <linux-arm-kernel@...ts.infradead.org>, PrasannaKumar Muralidharan <prasannatsmkumar@...il.com>, Scott Branden <sbranden@...adcom.com>, "open list:HARDWARE RANDOM NUMBER GENERATOR CORE" <linux-crypto@...r.kernel.org>, Martin Kaiser <martin@...ser.cx>, Herbert Xu <herbert@...dor.apana.org.au>, "maintainer:BROADCOM BCM281XX/BCM11XXX/BCM216XX ARM ARCHITE..." <bcm-kernel-feedback-list@...adcom.com>, Matt Mackall <mpm@...enic.com>, Mark Rutland <mark.rutland@....com>, "moderated list:BROADCOM BCM2835 ARM ARCHITECTURE" <linux-rpi-kernel@...ts.infradead.org>, linux-kernel@...r.kernel.org, "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" <devicetree@...r.kernel.org>, Sean Wang <sean.wang@...iatek.com> Subject: Re: [PATCH 00/12] bcm63xx-rng conversion to bcm2835-rng Hi Stefan, On 11/02/2017 12:01 PM, Stefan Wahren wrote: > Hi Florian, > >> Florian Fainelli <f.fainelli@...il.com> hat am 2. November 2017 um 02:03 geschrieben: >> >> >> Hi, >> >> As it usually happens when there is a fair amount of HW IP block re-use, >> competing implementations show up. In that case the BCM2835 HWRNG driver and >> the BCM63xx RNG driver have exactly the same register offsets and this is >> indeed the same piece of HW. >> >> This patch series first prepares the bcm2835-rng to be more future proof and >> support newer platforms, and the last part brings in what is necessary to >> migrate the bcm63xx-rng over to bcm2835-rng. Finally we delete bcm63xx-rng >> completely. >> >> The reason why BCM2835 RNG was kept over BCM63xx RNG is because the former >> deals correctly with a warm up count and the number of words available in the >> FIFO size. > > are these the same patches as in this branch [1]? > > https://github.com/ffainelli/linux/commits/rng-consolidation Yes, this branch contains these 12 patches. -- Florian
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