staging: typec: tcpm: Constify alternate modes

Constify alternate mode configuration data which won't be touched
by the driver.
Signed-off-by: NGuenter Roeck <linux@roeck-us.net>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/typec/tcpm.c

@@ -3484,7 +3484,7 @@ struct tcpm_port *tcpm_register_port(struct device *dev, struct tcpc_dev *tcpc)
 	}
 
 	if (tcpc->config->alt_modes) {
-		struct typec_altmode_desc *paltmode = tcpc->config->alt_modes;
+		const struct typec_altmode_desc *paltmode = tcpc->config->alt_modes;
 
 		i = 0;
 		while (paltmode->svid && i < ARRAY_SIZE(port->port_altmode)) {

drivers/staging/typec/tcpm.h

@@ -72,7 +72,7 @@ struct tcpc_config {
 	enum typec_role default_role;
 	bool try_role_hw;	/* try.{src,snk} implemented in hardware */
 
-	struct typec_altmode_desc *alt_modes;
+	const struct typec_altmode_desc *alt_modes;
 };
 
 enum tcpc_usb_switch {