openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

USB: cypress_m8: fix ring-indicator detection and reporting 

Fix ring-indicator (RI) status-bit definition, which was defined as CTS,
effectively preventing RI-changes from being detected while reporting
false RI status.

This bug predates git.

Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Johan Hovold 2014-01-02 22:49:24 +01:00 committed by Greg Kroah-Hartman
parent a4bcb29459
commit 440ebadeae
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/usb/serial/cypress_m8.h
View File

@ -63,7 +63,7 @@
#define UART_DSR 0x20 /* data set ready - flow control - device to host */
#define CONTROL_RTS 0x10 /* request to send - flow control - host to device */
#define UART_CTS 0x10 /* clear to send - flow control - device to host */
#define UART_RI 0x10 /* ring indicator - modem - device to host */
#define UART_RI 0x80 /* ring indicator - modem - device to host */
#define UART_CD 0x40 /* carrier detect - modem - device to host */
#define CYP_ERROR 0x08 /* received from input report - device to host */
/* Note - the below has nothing to do with the "feature report" reset */