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fsl/fman: add API to get the device behind a fman port

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Add an API that retrieves the 'struct device' that the specified FMan
port probed against. The new API will be used in a subsequent patch
that corrects the DMA devices used by the dpaa_eth driver.

Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Laurentiu Tudor 2019-10-23 12:08:43 +03:00 committed by David S. Miller
parent 1076aaeeea
commit 681e38380c
2 changed files with 16 additions and 0 deletions
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14
drivers/net/ethernet/freescale/fman/fman_port.c
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@ -1728,6 +1728,20 @@ u32 fman_port_get_qman_channel_id(struct fman_port *port)
}
EXPORT_SYMBOL(fman_port_get_qman_channel_id);
/**
* fman_port_get_device
* port: Pointer to the FMan port device
*
* Get the 'struct device' associated to the specified FMan port device
*
* Return: pointer to associated 'struct device'
*/
struct device *fman_port_get_device(struct fman_port *port)
{
return port->dev;
}
EXPORT_SYMBOL(fman_port_get_device);
int fman_port_get_hash_result_offset(struct fman_port *port, u32 *offset)
{
if (port->buffer_offsets.hash_result_offset == ILLEGAL_BASE)

2
drivers/net/ethernet/freescale/fman/fman_port.h
View File

@ -157,4 +157,6 @@ int fman_port_get_tstamp(struct fman_port *port, const void *data, u64 *tstamp);
struct fman_port *fman_port_bind(struct device *dev);
struct device *fman_port_get_device(struct fman_port *port);
#endif /* __FMAN_PORT_H */