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bus: fsl-mc: add the fsl_mc_get_endpoint function

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Using the newly added fsl_mc_get_endpoint function a fsl-mc driver can
find its associated endpoint (another object at the other link of a MC
firmware link).

The API will be used in the following patch in order to discover the
connected DPMAC object of a DPNI.

Also, the fsl_mc_device_lookup function is made available to the entire
fsl-mc bus driver and not just for the dprc driver.

Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ioana Ciornei
2019-10-31 01:18:29 +02:00
committed by David S. Miller
parent 6fff8c0107
commit 1ac210d128
5 changed files with 132 additions and 4 deletions
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2
include/linux/fsl/mc.h
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@@ -403,6 +403,8 @@ int __must_check fsl_mc_allocate_irqs(struct fsl_mc_device *mc_dev);
void fsl_mc_free_irqs(struct fsl_mc_device *mc_dev);
struct fsl_mc_device *fsl_mc_get_endpoint(struct fsl_mc_device *mc_dev);
extern struct bus_type fsl_mc_bus_type;
extern struct device_type fsl_mc_bus_dprc_type;