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From: Crestez Dan Leonard <leonard.crestez-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
To: Peter Rosin <peda-koto5C5qi+TLoDKTGw+V6w@public.gmane.org>,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: Wolfram Sang <wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org>,
	Jonathan Corbet <corbet-T1hC0tSOHrs@public.gmane.org>,
	Peter Korsgaard
	<peter.korsgaard-ob4gmnvZ1/cAvxtiuMwx3w@public.gmane.org>,
	Guenter Roeck <linux-0h96xk9xTtrk1uMJSBkQmQ@public.gmane.org>,
	Jonathan Cameron <jic23-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Hartmut Knaack <knaack.h-Mmb7MZpHnFY@public.gmane.org>,
	Lars-Peter Clausen <lars-Qo5EllUWu/uELgA04lAiVw@public.gmane.org>,
	Peter Meerwald <pmeerw-jW+XmwGofnusTnJN9+BGXg@public.gmane.org>,
	Antti Palosaari <crope-X3B1VOXEql0@public.gmane.org>,
	Mauro Carvalho Chehab
	<mchehab-JPH+aEBZ4P+UEJcrhfAQsw@public.gmane.org>,
	Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Frank Rowand
	<frowand.list-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Grant Likely
	<grant.likely-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
	Andrew Morton
	<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
	"David S. Miller" <davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>,
	Greg Kroah-Hartman
	<gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>,
	Kalle Valo <kvalo-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>,
	Jiri Slaby <jslaby-IBi9RG/b67k@public.gmane.org>,
	Daniel Baluta
	<daniel.baluta-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
	Lucas De Marchi
	<lucas.demarchi-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
	Adriana Reus
	<adriana.reus-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
	Matt Ranostay
	<matt.ranostay-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
	Krzysztof Kozlowski <k.k>
Subject: Re: [PATCH v7 00/24] i2c mux cleanup and locking update
Date: Thu, 21 Apr 2016 15:33:26 +0300	[thread overview]
Message-ID: <5718C896.9070302@intel.com> (raw)
In-Reply-To: <1461165484-2314-1-git-send-email-peda-koto5C5qi+TLoDKTGw+V6w@public.gmane.org>

On 04/20/2016 06:17 PM, Peter Rosin wrote:
> v7 compared to v6:
> - Removed i2c_mux_reserve_adapters, and all realloc attempts in
>   i2c_mux_add_adapter. Supply a maximum number of adapters in i2c_mux_alloc
>   instead.
> - Removed i2c_mux_one_adapter since it is was hard to use correctly, which
>   was evident from the crash in the mpu6050 driver (on a mpu9150 chip) reported
>   by Crestez Dan Leonard. Also, it didn't make things all that much simpler
>   anyway (even if used correctly).
> - Rename i2c_mux_core:adapters into i2c_mux_core:num_adapters.
> - Some grammar and spelling fixes.

I tested this new version on mpu9150 and there are no more obvious
deadlocks or crashes. The magnetometer and accel/gyro can be used at the
same time without issues.

  parent reply	other threads:[~2016-04-21 12:33 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-20 15:17 [PATCH v7 00/24] i2c mux cleanup and locking update Peter Rosin
2016-04-20 15:17 ` [PATCH v7 01/24] i2c-mux: add common data for every i2c-mux instance Peter Rosin
2016-04-20 15:17 ` [PATCH v7 02/24] i2c: i2c-mux-gpio: convert to use an explicit i2c mux core Peter Rosin
2016-04-20 15:17 ` [PATCH v7 03/24] i2c: i2c-mux-pinctrl: " Peter Rosin
2016-04-20 15:17 ` [PATCH v7 04/24] i2c: i2c-arb-gpio-challenge: " Peter Rosin
2016-04-20 15:17 ` [PATCH v7 05/24] i2c: i2c-mux-pca9541: " Peter Rosin
2016-04-20 15:17 ` [PATCH v7 06/24] i2c: i2c-mux-pca954x: " Peter Rosin
2016-04-20 15:17 ` [PATCH v7 07/24] i2c: i2c-mux-reg: " Peter Rosin
2016-04-20 15:17 ` [PATCH v7 08/24] iio: imu: inv_mpu6050: " Peter Rosin
2016-04-22 11:37   ` [PATCH v8 " Peter Rosin
2016-04-20 15:17 ` [PATCH v7 09/24] [media] m88ds3103: " Peter Rosin
2016-04-20 15:17 ` [PATCH v7 10/24] [media] rtl2830: " Peter Rosin
2016-04-20 15:17 ` [PATCH v7 11/24] [media] rtl2832: " Peter Rosin
2016-04-20 15:17 ` [PATCH v7 12/24] [media] si2168: " Peter Rosin
2016-04-20 15:17 ` [PATCH v7 13/24] [media] cx231xx: " Peter Rosin
2016-04-20 15:17 ` [PATCH v7 14/24] of/unittest: " Peter Rosin
2016-04-20 15:17 ` [PATCH v7 15/24] i2c-mux: drop old unused i2c-mux api Peter Rosin
2016-04-20 15:17 ` [PATCH v7 16/24] i2c: allow adapter drivers to override the adapter locking Peter Rosin
2016-04-28 20:50   ` Wolfram Sang
2016-04-28 21:08     ` Peter Rosin
2016-04-29  7:16       ` Wolfram Sang
2016-04-29  9:16         ` Peter Rosin
     [not found]           ` <357e6fda-73b3-fb7f-c341-97f09af1943f-koto5C5qi+TLoDKTGw+V6w@public.gmane.org>
2016-05-02 19:20             ` Antti Palosaari
2016-05-03 21:39           ` Wolfram Sang
2016-05-04 14:10             ` Peter Rosin
2016-05-04 16:38               ` Wolfram Sang
2016-05-03 21:38   ` Wolfram Sang
2016-05-04 10:01     ` Peter Rosin
2016-05-04 12:07       ` Wolfram Sang
2016-04-20 15:17 ` [PATCH v7 17/24] i2c: muxes always lock the parent adapter Peter Rosin
2016-04-20 15:17 ` [PATCH v7 18/24] i2c-mux: relax locking of the top i2c adapter during mux-locked muxing Peter Rosin
     [not found]   ` <1461165484-2314-19-git-send-email-peda-koto5C5qi+TLoDKTGw+V6w@public.gmane.org>
2016-05-03 21:38     ` Wolfram Sang
2016-04-20 15:17 ` [PATCH v7 19/24] i2c-mux: document i2c muxes and elaborate on parent-/mux-locked muxes Peter Rosin
2016-04-20 15:18 ` [PATCH v7 20/24] iio: imu: inv_mpu6050: change the i2c gate to be mux-locked Peter Rosin
2016-04-20 15:18 ` [PATCH v7 21/24] [media] si2168: " Peter Rosin
2016-04-20 15:18 ` [PATCH v7 22/24] [media] rtl2832: " Peter Rosin
2016-04-28 21:47   ` Wolfram Sang
2016-04-29  4:41     ` Peter Rosin
     [not found]       ` <4ae65dd6-1197-11d6-ef0a-714c0525cf3a-koto5C5qi+TLoDKTGw+V6w@public.gmane.org>
2016-04-29  6:57         ` Wolfram Sang
2016-04-20 15:18 ` [PATCH v7 23/24] [media] rtl2832_sdr: get rid of empty regmap wrappers Peter Rosin
2016-04-20 15:18 ` [PATCH v7 24/24] [media] rtl2832: regmap is aware of lockdep, drop local locking hack Peter Rosin
2016-04-20 20:52 ` [PATCH v7 00/24] i2c mux cleanup and locking update Wolfram Sang
2016-04-21  1:10 ` Antti Palosaari
     [not found] ` <1461165484-2314-1-git-send-email-peda-koto5C5qi+TLoDKTGw+V6w@public.gmane.org>
2016-04-21 12:33   ` Crestez Dan Leonard [this message]
  -- strict thread matches above, loose matches on Subject: below --
2016-04-22  7:54 Peter Rosin
2016-04-22 11:14 ` Wolfram Sang
2016-04-22 11:52 Peter Rosin

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