usb: typec: mux: Convert the Intel PMC Mux driver to use new SCU IPC API

Convert the driver to use the new SCU IPC API. This allows us to get rid
of the duplicate PMC IPC implementation which is now covered in SCU IPC
driver.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

drivers/usb/typec/mux/Kconfig

@@ -11,7 +11,7 @@ config TYPEC_MUX_PI3USB30532
 
 config TYPEC_MUX_INTEL_PMC
 	tristate "Intel PMC mux control"
-	depends on INTEL_PMC_IPC
+	depends on INTEL_SCU_IPC
 	select USB_ROLE_SWITCH
 	help
 	  Driver for USB muxes controlled by Intel PMC FW. Intel PMC FW can

drivers/usb/typec/mux/intel_pmc_mux.c

@@ -15,7 +15,7 @@
 #include <linux/usb/typec_dp.h>
 #include <linux/usb/typec_tbt.h>
 
-#include <asm/intel_pmc_ipc.h>
+#include <asm/intel_scu_ipc.h>
 
 #define PMC_USBC_CMD		0xa7
 
@@ -96,6 +96,7 @@ struct pmc_usb_port {
 struct pmc_usb {
 	u8 num_ports;
 	struct device *dev;
+	struct intel_scu_ipc_dev *ipc;
 	struct pmc_usb_port *port;
 };
 
@@ -107,9 +108,8 @@ static int pmc_usb_command(struct pmc_usb_port *port, u8 *msg, u32 len)
 	 * Error bit will always be 0 with the USBC command.
 	 * Status can be checked from the response message.
 	 */
-	intel_pmc_ipc_command(PMC_USBC_CMD, 0, msg, len,
-			      (void *)response, 1);
-
+	intel_scu_ipc_dev_command(port->pmc->ipc, PMC_USBC_CMD, 0, msg, len,
+				  response, sizeof(response));
 	if (response[2]) {
 		if (response[2] & BIT(1))
 			return -EIO;
@@ -370,6 +370,10 @@ static int pmc_usb_probe(struct platform_device *pdev)
 	if (!pmc->port)
 		return -ENOMEM;
 
+	pmc->ipc = devm_intel_scu_ipc_dev_get(&pdev->dev);
+	if (!pmc->ipc)
+		return -ENODEV;
+
 	pmc->dev = &pdev->dev;
 
 	/*