Commit fb5a6ec8 authored by Srinivas Pandruvada's avatar Srinivas Pandruvada Committed by Daniel Lezcano
Browse files

thermal/drivers/int340x: processor_thermal: Export mailbox interface 



Export the mailbox interface to be used by other modules. Also change
command id and response from u8 to u32 data type.

Signed-off-by: default avatarSrinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: default avatarDaniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20210517061441.1921901-2-srinivas.pandruvada@linux.intel.com
parent 4d57fd9a

drivers/thermal/intel/int340x_thermal/processor_thermal_device.h

+2 −0
Original line number Diff line number Diff line
@@ -79,4 +79,6 @@ void proc_thermal_rfim_remove(struct pci_dev *pdev); 
int proc_thermal_mbox_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv);

void proc_thermal_mbox_remove(struct pci_dev *pdev);



int processor_thermal_send_mbox_cmd(struct pci_dev *pdev, u16 cmd_id, u32 cmd_data, u32 *cmd_resp);



#endif

drivers/thermal/intel/int340x_thermal/processor_thermal_mbox.c

+9 −3
Original line number Diff line number Diff line
@@ -23,7 +23,7 @@ 


static DEFINE_MUTEX(mbox_lock);



static int send_mbox_cmd(struct pci_dev *pdev, u8 cmd_id, u32 cmd_data, u8 *cmd_resp)

static int send_mbox_cmd(struct pci_dev *pdev, u16 cmd_id, u32 cmd_data, u32 *cmd_resp)

{

	struct proc_thermal_device *proc_priv;

	u32 retries, data;
@@ -82,6 +82,12 @@ static int send_mbox_cmd(struct pci_dev *pdev, u8 cmd_id, u32 cmd_data, u8 *cmd_ 
	return ret;

}



int processor_thermal_send_mbox_cmd(struct pci_dev *pdev, u16 cmd_id, u32 cmd_data, u32 *cmd_resp)

{

	return send_mbox_cmd(pdev, cmd_id, cmd_data, cmd_resp);

}

EXPORT_SYMBOL_GPL(processor_thermal_send_mbox_cmd);



/* List of workload types */

static const char * const workload_types[] = {

	"none",
@@ -147,7 +153,7 @@ static ssize_t workload_type_show(struct device *dev, 
				   char *buf)

{

	struct pci_dev *pdev = to_pci_dev(dev);

	u8 cmd_resp;

	u32 cmd_resp;

	int ret;



	ret = send_mbox_cmd(pdev, MBOX_CMD_WORKLOAD_TYPE_READ, 0, &cmd_resp);
@@ -181,7 +187,7 @@ static bool workload_req_created; 


int proc_thermal_mbox_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv)

{

	u8 cmd_resp;

	u32 cmd_resp;

	int ret;



	/* Check if there is a mailbox support, if fails return success */