usb: typec: mux: Convert the Intel PMC Mux driver to use new SCU IPC API
authorHeikki Krogerus <heikki.krogerus@linux.intel.com>
Thu, 16 Apr 2020 08:15:46 +0000 (11:15 +0300)
committerLee Jones <lee.jones@linaro.org>
Fri, 24 Apr 2020 10:18:12 +0000 (11:18 +0100)
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
drivers/usb/typec/mux/intel_pmc_mux.c

index 77eb97b..a4dbd11 100644 (file)
@@ -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
index f5c5e0a..fce255e 100644 (file)
@@ -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;
 
        /*