Re: [PATCH 2/4] serial: sh-sci: Stop transfers in sci_shutdown()

Hi Shimoda-san, On Thu, Jun 23, 2016 at 12:42 PM, Yoshihiro Shimoda wrote: >> From: Geert Uytterhoeven >> Sent: Tuesday, June 21, 2016 11:52 PM >> On Tue, Jun 21, 2016 at 9:35 AM, Yoshihiro Shimoda >> wrote: >> >> From: Geert

RE: [PATCH 2/4] serial: sh-sci: Stop transfers in sci_shutdown()

Hi, Geert-san, > From: Geert Uytterhoeven > Sent: Friday, May 27, 2016 3:19 AM > > Make sure the transmitter and receiver are stopped when shutting down > the port, and related interrupts are disabled. > > Without this: > - New input data may be received into the RX FIFO, possibly >

[PATCH 2/4] serial: sh-sci: Stop transfers in sci_shutdown()

Make sure the transmitter and receiver are stopped when shutting down the port, and related interrupts are disabled. Without this: - New input data may be received into the RX FIFO, possibly triggering a new RX DMA completion, - Transfers will still be enabled on a subsequent startup of