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Date: Wed, 23 May 2018 02:15:03 +0200 From: Andrew Lunn <andrew@...n.ch> To: Florian Fainelli <f.fainelli@...il.com> Cc: netdev@...r.kernel.org, arunp@...adcom.com, "David S. Miller" <davem@...emloft.net>, Ray Jui <rjui@...adcom.com>, Scott Branden <sbranden@...adcom.com>, Jon Mason <jonmason@...adcom.com>, "maintainer:BROADCOM IPROC ARM ARCHITECTURE" <bcm-kernel-feedback-list@...adcom.com>, "moderated list:BROADCOM IPROC ARM ARCHITECTURE" <linux-arm-kernel@...ts.infradead.org>, open list <linux-kernel@...r.kernel.org> Subject: Re: [PATCH net] net: phy: broadcom: Fix bcm_write_exp() On Tue, May 22, 2018 at 05:04:49PM -0700, Florian Fainelli wrote: > On newer PHYs, we need to select the expansion register to write with > setting bits [11:8] to 0xf. This was done correctly by bcm7xxx.c prior > to being migrated to generic code under bcm-phy-lib.c which > unfortunately used the older implementation from the BCM54xx days. Hi Florian Does selecting the expansion register affect access to the standard registers? Does this need locking like the Marvell PHY has when changing pages? Thanks Andrew
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