From: Robert Hodaszi <robert.hodaszi@digi.com>
To: Sherry Sun <sherry.sun@nxp.com>,
"gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
"jirislaby@kernel.org" <jirislaby@kernel.org>,
"linux-serial@vger.kernel.org" <linux-serial@vger.kernel.org>
Subject: Re: [PATCH] Revert "tty: serial: fsl_lpuart: Fix the wrong RXWATER setting for rx dma case"
Date: Thu, 8 Jun 2023 11:35:32 +0200 [thread overview]
Message-ID: <76357719-c5df-6c15-add7-a955c7d106ed@digi.com> (raw)
In-Reply-To: <AS8PR04MB84042413F6C9ECD80A1E87639250A@AS8PR04MB8404.eurprd04.prod.outlook.com>
On 2023. 06. 08. 4:20, Sherry Sun wrote:
> Hi Robert,
> I understand your concern, fortunately, LPUART IP provides the Receiver Idle Empty function, which can avoid the receive data being trapped in the RX FIFO. For more details you can check my patch below.
>
Hi,
Although I can see RXIDEN in the i.MX8 RM, it's not in LS1028A's LPUART FIFO register. Seems not all LPUART IPs have this.
Best regards,
Robert
next prev parent reply other threads:[~2023-06-08 9:35 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-07 10:34 [PATCH] Revert "tty: serial: fsl_lpuart: Fix the wrong RXWATER setting for rx dma case" Robert Hodaszi
2023-06-07 10:40 ` Robert Hodaszi
2023-06-07 12:39 ` Sherry Sun
2023-06-07 14:05 ` Robert Hodaszi
2023-06-08 2:20 ` Sherry Sun
2023-06-08 9:35 ` Robert Hodaszi [this message]
2023-06-08 9:58 ` Sherry Sun
2023-06-08 10:15 ` Robert Hodaszi
2023-06-08 10:45 ` Sherry Sun
2023-06-08 10:49 ` Robert Hodaszi
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