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From: Heikki Krogerus <heikki.krogerus@linux.intel.com>
To: Guenter Roeck <linux@roeck-us.net>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	linux-usb@vger.kernel.org, stable@vger.kernel.org
Subject: [1/2] usb: typec: tps6598x: handle block reads separately with plain-I2C adapters
Date: Tue, 24 Apr 2018 16:45:20 +0300	[thread overview]
Message-ID: <20180424134520.GA17550@kuha.fi.intel.com> (raw)

On Tue, Apr 24, 2018 at 06:02:56AM -0700, Guenter Roeck wrote:
> The chip should return the number of bytes it has available and then NAK
> the transfer. The chip driver should then report the number of bytes read
> to its caller. This is why i2c_smbus_read_block_data() and friends return
> not just 0/-errno, but the number of bytes read.

Thanks for the info.


Br,

             reply	other threads:[~2018-04-24 13:45 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-24 13:45 Heikki Krogerus [this message]
  -- strict thread matches above, loose matches on Subject: below --
2018-04-24 13:02 [1/2] usb: typec: tps6598x: handle block reads separately with plain-I2C adapters Guenter Roeck
2018-04-24 11:46 Heikki Krogerus
2018-04-23 16:43 Guenter Roeck
2018-04-23  8:03 Heikki Krogerus
2018-04-22 12:54 Greg Kroah-Hartman
2018-04-20 17:26 Guenter Roeck
2018-04-18 12:34 Heikki Krogerus

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