Re: [PATCH v3] tty: make pl011 serial port driver support 485 mode

2021-01-14 Thread Greg KH
On Fri, Jan 15, 2021 at 02:32:39AM +, zhangqiumiao wrote: > On Thu, Jan 14, 2021 at 08:28:30PM +0800, zhangqiumi...@huawei.com wrote: > > From: Qiumiao Zhang > > > > make pl011 serial port support 485 mode full duplex communication > > > > Signed-off-by: Qiumiao Zhang > > --- > > Changes

Re: [PATCH v3] tty: make pl011 serial port driver support 485 mode

2021-01-14 Thread zhangqiumiao
On Thu, Jan 14, 2021 at 08:28:30PM +0800, zhangqiumi...@huawei.com wrote: > From: Qiumiao Zhang > > make pl011 serial port support 485 mode full duplex communication > > Signed-off-by: Qiumiao Zhang > --- > Changes in v3: > -Fix busy loop forever in pl011_tx_empty > -Move the definition of

Re: [PATCH v3] tty: make pl011 serial port driver support 485 mode

2021-01-14 Thread Greg KH
On Thu, Jan 14, 2021 at 08:28:30PM +0800, zhangqiumi...@huawei.com wrote: > From: Qiumiao Zhang > > make pl011 serial port support 485 mode full duplex communication > > Signed-off-by: Qiumiao Zhang > --- > Changes in v3: > -Fix busy loop forever in pl011_tx_empty > -Move the definition of

Re: [PATCH v3] tty: make pl011 serial port driver support 485 mode

2021-01-14 Thread Greg KH
On Thu, Jan 14, 2021 at 05:07:33PM +0800, zhangqiumi...@huawei.com wrote: > From: Qiumiao Zhang > > make pl011 serial port support 485 mode full duplex communication > > --- > Changes in v3: > -Fix busy loop forever in pl011_tx_empty > -Move the definition of cr into uart_amba_port > -run