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authorSrinivas Pandruvada <srinivas.pandruvada@linux.intel.com>2021-05-16 23:14:40 -0700
committerDaniel Lezcano <daniel.lezcano@linaro.org>2021-06-11 11:54:42 +0200
commitfb5a6ec80367bcccb659a421850d757a5a81767a (patch)
tree645d8951fa8f496faab1dec03f6414e0e2c028cc /drivers/thermal
parent4d57fd9aeaa013a245bf1fade81e2c30a5efd491 (diff)
downloadlinux-fb5a6ec80367bcccb659a421850d757a5a81767a.tar.bz2
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: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/20210517061441.1921901-2-srinivas.pandruvada@linux.intel.com
Diffstat (limited to 'drivers/thermal')
-rw-r--r--drivers/thermal/intel/int340x_thermal/processor_thermal_device.h2
-rw-r--r--drivers/thermal/intel/int340x_thermal/processor_thermal_mbox.c12
2 files changed, 11 insertions, 3 deletions
diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.h b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.h
index b9ed64561aaf..3161607424f5 100644
--- a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.h
+++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.h
@@ -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
diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_mbox.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_mbox.c
index 990f51f22884..59e93b04f0a9 100644
--- a/drivers/thermal/intel/int340x_thermal/processor_thermal_mbox.c
+++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_mbox.c
@@ -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 @@ unlock_mbox:
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 */