linux-kernel - Re: [PATCH net-next 0/2] net: ipa: fix HOLB timer register use

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Message-Id: <20200703.143748.1707914643708890824.davem@davemloft.net>
Date:   Fri, 03 Jul 2020 14:37:48 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     elder@...aro.org
Cc:     kuba@...nel.org, evgreen@...omium.org, subashab@...eaurora.org,
        cpratapa@...eaurora.org, bjorn.andersson@...aro.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next 0/2] net: ipa: fix HOLB timer register use

From: Alex Elder <elder@...aro.org>
Date: Fri,  3 Jul 2020 16:23:33 -0500

> The function ipa_reg_init_hol_block_timer_val() generates the value
> to write into the HOL_BLOCK_TIMER endpoint configuration register,
> to represent a given timeout value (in microseconds).  It only
> supports a timer value of 0 though, in part because that's
> sufficient, but mainly because there was some confusion about
> how the register is formatted in newer hardware.
> 
> I got clarification about the register format, so this series fixes 
> ipa_reg_init_hol_block_timer_val() to work for any supported delay
> value.
> 
> The delay is based on the IPA core clock, so determining the value
> to write for a given period requires access to the current core
> clock rate.  So the first patch just creates a new function to
> provide that.

Series applied, thank you.