From: Daniel Baluta <daniel.baluta@intel.com>
To: Wolfram Sang <wsa@the-dreams.de>
Cc: Daniel Baluta <daniel.baluta@intel.com>,
Jonathan Cameron <jic23@kernel.org>,
Hartmut Knaack <knaack.h@gmx.de>,
Lars-Peter Clausen <lars@metafoo.de>,
Peter Meerwald-Stadler <pmeerw@pmeerw.net>,
"linux-iio@vger.kernel.org" <linux-iio@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
linux-i2c@vger.kernel.org,
Lucas De Marchi <lucas.demarchi@intel.com>,
Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>,
Ge Gao <ggao@invensense.com>, Adriana Reus <adi.reus@gmail.com>,
Crt Mori <cmo@melexis.com>, Michael Welling <mwelling@ieee.org>
Subject: Re: [RFC PATCH 8/9] i2c: i2c-mux: Allow for NULL select callback
Date: Tue, 1 Mar 2016 22:38:35 +0200 [thread overview]
Message-ID: <CAEnQRZBZyGwhheHz_Smo_5kv36fpenM9HD+ab-u1qsfko0mvQQ@mail.gmail.com> (raw)
In-Reply-To: <20160301203015.GC1488@katana>
On Tue, Mar 1, 2016 at 10:30 PM, Wolfram Sang <wsa@the-dreams.de> wrote:
> On Thu, Feb 18, 2016 at 05:53:13PM +0200, Daniel Baluta wrote:
>> From: Adriana Reus <adriana.reus@intel.com>
>>
>> Add a check in i2c_mux_master_xfer before calling the select callback.
>> This is necessary so that NULL callbacks can be safely registered.
>>
>> Signed-off-by: Adriana Reus <adriana.reus@intel.com>
>> Signed-off-by: Daniel Baluta <daniel.baluta@intel.com>
>
> Hmm, rather than supporting that in the core, I'd prefer to have the
> driver pass an empty function instead. Then, in the driver, we can have
> a comment explaining the special situation.
Agree. This seems a better idea forcing the user to explain the situation :).
next prev parent reply other threads:[~2016-03-01 20:38 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-18 15:53 [RFC PATCH 0/9] iio: Fix ABBA deadlock in inv-mpu6050 Daniel Baluta
2016-02-18 15:53 ` [RFC PATCH 1/9] iio: imu: inv_mpu6050: Fix multiline comments style Daniel Baluta
2016-02-21 20:36 ` Jonathan Cameron
2016-02-18 15:53 ` [RFC PATCH 2/9] iio: imu: inv_mpu6050: Fix Yoda conditions Daniel Baluta
2016-02-19 9:09 ` Crt Mori
2016-02-21 20:38 ` Jonathan Cameron
2016-03-01 21:23 ` Wolfram Sang
2016-02-18 15:53 ` [RFC PATCH 3/9] iio: imu: inv_mpu6050: Fix newlines to make code easier to read Daniel Baluta
2016-02-21 20:38 ` Jonathan Cameron
2016-02-18 15:53 ` [RFC PATCH 4/9] iio: imu: inv_mpu6050: Remove unnecessary parentheses Daniel Baluta
2016-02-21 20:39 ` Jonathan Cameron
2016-02-18 15:53 ` [RFC PATCH 5/9] iio: imu: inv_mpu6050: Delete space before comma Daniel Baluta
2016-02-18 15:53 ` [RFC PATCH 6/9] iio: imu: inv_mpu6050: Fix code indent for if statement Daniel Baluta
2016-02-21 20:40 ` Jonathan Cameron
2016-02-18 15:53 ` [RFC PATCH 7/9] iio: imu: inv_mpu6050: Fix alignment with open parenthesis Daniel Baluta
2016-02-21 20:41 ` Jonathan Cameron
2016-02-21 20:59 ` Joe Perches
2016-02-21 21:08 ` Jonathan Cameron
2016-02-18 15:53 ` [RFC PATCH 8/9] i2c: i2c-mux: Allow for NULL select callback Daniel Baluta
2016-03-01 20:30 ` Wolfram Sang
2016-03-01 20:38 ` Daniel Baluta [this message]
2016-02-18 15:53 ` [RFC PATCH 9/9] iio: imu: inv_mpu6050: Fix deadlock between i2c adapter lock and mpu lock Daniel Baluta
2016-02-18 18:17 ` Srinivas Pandruvada
2016-02-19 20:17 ` Ge Gao
2016-03-01 20:50 ` Wolfram Sang
2016-03-02 16:33 ` Daniel Baluta
2016-03-02 17:06 ` Wolfram Sang
2016-02-21 23:17 ` [RFC PATCH 0/9] iio: Fix ABBA deadlock in inv-mpu6050 Wolfram Sang
2016-02-22 9:43 ` Daniel Baluta
2016-02-26 15:52 ` Daniel Baluta
2016-03-03 23:09 ` Peter Rosin
2016-03-04 10:20 ` Daniel Baluta
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