/**
* msm_bus_cl_get_pdata() - Generate bus client data from device tree
* provided by clients.
*
* of_node: Device tree node to extract information from
*
* The function returns a valid pointer to the allocated bus-scale-pdata
* if the vectors were correctly read from the client's device node.
* Any error in reading or parsing the device node will return NULL
* to the caller.
*/
struct msm_bus_scale_pdata *msm_bus_cl_get_pdata(struct platform_device *pdev)
{
struct device_node *of_node;
struct msm_bus_scale_pdata *pdata = NULL;
if (!pdev) {
pr_err("Error: Null Platform device\n");
return NULL;
}
of_node = pdev->dev.of_node;
pdata = get_pdata(pdev, of_node);
if (!pdata) {
pr_err("client has to provide missing entry for successful registration\n");
return NULL;
}
return pdata;
}
/**
* msm_bus_cl_get_pdata() - Generate bus client data from device tree
* provided by clients.
*
* of_node: Device tree node to extract information from
*
* The function returns a valid pointer to the allocated bus-scale-pdata
* if the vectors were correctly read from the client's device node.
* Any error in reading or parsing the device node will return NULL
* to the caller.
*/
struct msm_bus_scale_pdata *msm_bus_cl_get_pdata(struct platform_device *pdev)
{
struct device_node *of_node;
struct msm_bus_scale_pdata *pdata = NULL;
if (!pdev) {
pr_err("Error: Null Platform device\n");
return NULL;
}
of_node = pdev->dev.of_node;
pdata = get_pdata(pdev, of_node);
if (!pdata) {
pr_err("Error getting bus pdata!\n");
return NULL;
}
return pdata;
}
/**
* msm_bus_cl_pdata_from_node() - Generate bus client data from device tree
* node provided by clients. This function should be used when a client
* driver needs to register multiple bus-clients from a single device-tree
* node associated with the platform-device.
*
* of_node: The subnode containing information about the bus scaling
* data
*
* pdev: Platform device associated with the device-tree node
*
* The function returns a valid pointer to the allocated bus-scale-pdata
* if the vectors were correctly read from the client's device node.
* Any error in reading or parsing the device node will return NULL
* to the caller.
*/
struct msm_bus_scale_pdata *msm_bus_pdata_from_node(
struct platform_device *pdev, struct device_node *of_node)
{
struct msm_bus_scale_pdata *pdata = NULL;
if (!pdev) {
pr_err("Error: Null Platform device\n");
return NULL;
}
if (!of_node) {
pr_err("Error: Null of_node passed to bus driver\n");
return NULL;
}
pdata = get_pdata(pdev, of_node);
if (!pdata) {
pr_err("client has to provide missing entry for successful registration\n");
return NULL;
}
return pdata;
}
/**
* msm_bus_cl_pdata_from_node() - Generate bus client data from device tree
* node provided by clients. This function should be used when a client
* driver needs to register multiple bus-clients from a single device-tree
* node associated with the platform-device.
*
* of_node: The subnode containing information about the bus scaling
* data
*
* pdev: Platform device associated with the device-tree node
*
* The function returns a valid pointer to the allocated bus-scale-pdata
* if the vectors were correctly read from the client's device node.
* Any error in reading or parsing the device node will return NULL
* to the caller.
*/
struct msm_bus_scale_pdata *msm_bus_pdata_from_node(
struct platform_device *pdev, struct device_node *of_node)
{
struct msm_bus_scale_pdata *pdata = NULL;
if (!pdev) {
pr_err("Error: Null Platform device\n");
return NULL;
}
if (!of_node) {
pr_err("Error: Null of_node passed to bus driver\n");
return NULL;
}
pdata = get_pdata(pdev, of_node);
if (!pdata) {
pr_err("Error getting bus pdata!\n");
return NULL;
}
return pdata;
}