Re: [PATCH] drm/bridge: analogix_dp: Don't return -EBUSY when msg->size is 0 in aux transaction

On Mon, Feb 20, 2017 at 1:04 PM, Zain Wang wrote: > 在 2017/2/20 10:40, Tomasz Figa 写道: >> On Mon, Feb 13, 2017 at 6:27 PM, zain wang wrote: >>> diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c >>>

Re: [PATCH] drm/bridge: analogix_dp: Don't return -EBUSY when msg->size is 0 in aux transaction

On Mon, Feb 20, 2017 at 1:04 PM, Zain Wang wrote: > 在 2017/2/20 10:40, Tomasz Figa 写道: >> On Mon, Feb 13, 2017 at 6:27 PM, zain wang wrote: >>> diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c >>> b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c >>> index 303083a..5384aca 100644

Re: [PATCH] drm/bridge: analogix_dp: Don't return -EBUSY when msg->size is 0 in aux transaction

Hi Tomasz, 在 2017/2/20 10:40, Tomasz Figa 写道: Hi Zain, On Mon, Feb 13, 2017 at 6:27 PM, zain wang wrote: The analogix_dp_transfer() will return -EBUSY if num_transferred is zero. But sometimes we will send a bare address packet to start the transaction, like

Re: [PATCH] drm/bridge: analogix_dp: Don't return -EBUSY when msg->size is 0 in aux transaction

Hi Tomasz, 在 2017/2/20 10:40, Tomasz Figa 写道: Hi Zain, On Mon, Feb 13, 2017 at 6:27 PM, zain wang wrote: The analogix_dp_transfer() will return -EBUSY if num_transferred is zero. But sometimes we will send a bare address packet to start the transaction, like drm_dp_i2c_xfer() show:

Re: [PATCH] drm/bridge: analogix_dp: Don't return -EBUSY when msg->size is 0 in aux transaction

Hi Zain, On Mon, Feb 13, 2017 at 6:27 PM, zain wang wrote: > > The analogix_dp_transfer() will return -EBUSY if num_transferred is zero. > But sometimes we will send a bare address packet to start the transaction, > like drm_dp_i2c_xfer() show: > .. > /*

Re: [PATCH] drm/bridge: analogix_dp: Don't return -EBUSY when msg->size is 0 in aux transaction

Hi Zain, On Mon, Feb 13, 2017 at 6:27 PM, zain wang wrote: > > The analogix_dp_transfer() will return -EBUSY if num_transferred is zero. > But sometimes we will send a bare address packet to start the transaction, > like drm_dp_i2c_xfer() show: > .. > /* Send a bare address

Re: [PATCH] drm/bridge: analogix_dp: Don't return -EBUSY when msg->size is 0 in aux transaction

Hi Sean, Could you give some comments for this patch? Thanks Zain 在 2017/2/13 17:27, zain wang 写道: The analogix_dp_transfer() will return -EBUSY if num_transferred is zero. But sometimes we will send a bare address packet to start the transaction, like drm_dp_i2c_xfer() show:

Re: [PATCH] drm/bridge: analogix_dp: Don't return -EBUSY when msg->size is 0 in aux transaction

Hi Sean, Could you give some comments for this patch? Thanks Zain 在 2017/2/13 17:27, zain wang 写道: The analogix_dp_transfer() will return -EBUSY if num_transferred is zero. But sometimes we will send a bare address packet to start the transaction, like drm_dp_i2c_xfer() show:

[PATCH] drm/bridge: analogix_dp: Don't return -EBUSY when msg->size is 0 in aux transaction

The analogix_dp_transfer() will return -EBUSY if num_transferred is zero. But sometimes we will send a bare address packet to start the transaction, like drm_dp_i2c_xfer() show: .. /* Send a bare address packet to start the transaction. * Zero sized messages specify an

[PATCH] drm/bridge: analogix_dp: Don't return -EBUSY when msg->size is 0 in aux transaction

The analogix_dp_transfer() will return -EBUSY if num_transferred is zero. But sometimes we will send a bare address packet to start the transaction, like drm_dp_i2c_xfer() show: .. /* Send a bare address packet to start the transaction. * Zero sized messages specify an