[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH] i2c: Allow I2C devices to NAK start events
From: |
Peter Maydell |
Subject: |
Re: [Qemu-devel] [PATCH] i2c: Allow I2C devices to NAK start events |
Date: |
Thu, 5 Jan 2017 15:42:35 +0000 |
On 20 December 2016 at 21:26, <address@hidden> wrote:
> From: Corey Minyard <address@hidden>
>
> Add a return value to the event handler. Some I2C devices will
> NAK if they have no data, so allow them to do this. This required
> the following changes:
>
> Go through all the event handlers and change them to return int
> and return 0.
>
> Modify i2c_start_transfer to terminate the transaction on a NAK.
>
> Modify smbus handing to not assert if a NAK occurs on a second
> operation, and terminate the transaction and return -1 instead.
>
> Add some information on semantics to I2CSlaveClass.
>
> Signed-off-by: Corey Minyard <address@hidden>
Thanks; added to target-arm.next.
-- PMM
[Prev in Thread] |
Current Thread |
[Next in Thread] |
- Re: [Qemu-devel] [PATCH] i2c: Allow I2C devices to NAK start events,
Peter Maydell <=