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Commit 440ebade authored by Johan Hovold's avatar Johan Hovold Committed by Greg Kroah-Hartman
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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: default avatarJohan Hovold <jhovold@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent a4bcb294

drivers/usb/serial/cypress_m8.h

+1 −1
Original line number Diff line number Diff line
@@ -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 */