linux-kernel - [PATCH 4.19 24/34] Revert "USB: serial: ch341: add new Product ID for CH341A"

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Message-Id: <20220228172210.402335912@linuxfoundation.org>
Date:   Mon, 28 Feb 2022 18:24:30 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Dmytro Bagrii <dimich.dmb@...il.com>,
        Johan Hovold <johan@...nel.org>
Subject: [PATCH 4.19 24/34] Revert "USB: serial: ch341: add new Product ID for CH341A"

From: Dmytro Bagrii <dimich.dmb@...il.com>

commit 198a7ebd5fa17b4d0be8cb70240ee1be885175c0 upstream.

This reverts commit 46ee4abb10a07bd8f8ce910ee6b4ae6a947d7f63.

CH341 has Product ID 0x5512 in EPP/MEM mode which is used for
I2C/SPI/GPIO interfaces. In asynchronous serial interface mode
CH341 has PID 0x5523 which is already in the table.

Mode is selected by corresponding jumper setting.

Signed-off-by: Dmytro Bagrii <dimich.dmb@...il.com>
Link: https://lore.kernel.org/r/20220210164137.4376-1-dimich.dmb@gmail.com
Link: https://lore.kernel.org/r/YJ0OCS/sh+1ifD/q@hovoldconsulting.com
Cc: stable@...r.kernel.org
Signed-off-by: Johan Hovold <johan@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/usb/serial/ch341.c |    1 -
 1 file changed, 1 deletion(-)

--- a/drivers/usb/serial/ch341.c
+++ b/drivers/usb/serial/ch341.c
@@ -80,7 +80,6 @@
 #define CH341_LCR_CS5          0x00
 
 static const struct usb_device_id id_table[] = {
-	{ USB_DEVICE(0x1a86, 0x5512) },
 	{ USB_DEVICE(0x1a86, 0x5523) },
 	{ USB_DEVICE(0x1a86, 0x7522) },
 	{ USB_DEVICE(0x1a86, 0x7523) },