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From: Ray Jui <rjui-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>
To: Kamal Dasu <kdasu.kdev-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org
Cc: f.fainelli-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
	gregory.0xf0-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
	jchandra-dY08KVG/lbpWk0Htik3J/w@public.gmane.org,
	rajeevkumar.linux-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
	bcm-kernel-feedback-list-dY08KVG/lbpWk0Htik3J/w@public.gmane.org
Subject: Re: [V4, 1/2] i2c: brcmstb: Add Broadcom settop SoC i2c controller driver
Date: Tue, 19 May 2015 13:50:51 -0700	[thread overview]
Message-ID: <555BA22B.9020408@broadcom.com> (raw)
In-Reply-To: <1432052625-6210-1-git-send-email-kdasu.kdev-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>

Hi Kamal,

There's one change still missing (that I mentioned when reviewing v2 of 
the patchset):

 >>>
What is the max len that can be supported? BSC_CNT_REG1_MASK = 63? Then
you should check against that.

Note Wolfram has introduced a way to validate the supported data length
at the i2c-core, which you should adapt:

commit b7f625840267b18ef1011cba0085bb7e237d76f7
Author: Wolfram Sang <wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org>
Date:   Mon Jan 5 23:45:59 2015 +0100

     i2c: add quirk checks to core

     Let the core do the checks if HW quirks prevent a transfer. Saves code
     from drivers and adds consistency.
<<<

So you should add struct i2c_adapter_quirks and set the max_read_len and 
max_write_len.

I have no more comment for the rest of the code.

Thanks,

Ray

  parent reply	other threads:[~2015-05-19 20:50 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-19 16:23 [V4, 1/2] i2c: brcmstb: Add Broadcom settop SoC i2c controller driver Kamal Dasu
     [not found] ` <1432052625-6210-1-git-send-email-kdasu.kdev-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2015-05-19 16:23   ` [V4, 2/2] dt-bindings: i2c: Add i2c-brcmstb dt bindings Kamal Dasu
2015-05-19 20:50   ` Ray Jui [this message]
     [not found]     ` <555BA22B.9020408-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>
2015-05-20 20:35       ` [V4, 1/2] i2c: brcmstb: Add Broadcom settop SoC i2c controller driver Kamal Dasu
     [not found]         ` <CAC=U0a3dxJi1c1FrQaqGojc8JXzs=om2Z1r=nB0dinyrFzz-+g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-05-20 20:37           ` Ray Jui
2015-06-03 15:54   ` Wolfram Sang
  -- strict thread matches above, loose matches on Subject: below --
2015-06-09 17:26 Kamal Dasu
     [not found] ` <CAC=U0a2R=G0toDqUQzVueREDXFxs0Dm4eiBAdyhzH7Fp57-nRQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-06-09 22:16   ` Wolfram Sang

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