Re: [PATCH net-next v11 03/12] net: pcs: implement Firmware node support for PCS driver
Randy Dunlap <[email protected]> Fri, 7 Aug 2026 13:29:41 -0700
| Newsgroups | org.infradead.lists.linux-mediatek,dev.linux.lists.llvm,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-doc,org.kernel.vger.linux-kernel,org.kernel.vger.netdev |
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| Message-ID | <[email protected]> |
Hi-- On 8/7/26 6:12 AM, Christian Marangi wrote: > Implement the foundation of Firmware node support for PCS driver. > > > Co-developed-by: Daniel Golle <[email protected]> > Signed-off-by: Daniel Golle <[email protected]> > Signed-off-by: Christian Marangi <[email protected]> > --- > drivers/net/pcs/Kconfig | 6 + > drivers/net/pcs/Makefile | 1 + > drivers/net/pcs/pcs.c | 240 +++++++++++++++++++++++++++++++ > include/linux/pcs/pcs-provider.h | 65 +++++++++ > include/linux/pcs/pcs.h | 75 ++++++++++ > 5 files changed, 387 insertions(+) > create mode 100644 drivers/net/pcs/pcs.c > create mode 100644 include/linux/pcs/pcs-provider.h > create mode 100644 include/linux/pcs/pcs.h > Please address these warnings: WARNING: ../include/linux/pcs/pcs-provider.h:39 function parameter 'pp' not described in 'fwnode_pcs_del_provider' WARNING: ../include/linux/pcs/pcs-provider.h:39 Excess function parameter 'fwnode' description in 'fwnode_pcs_del_provider' WARNING: ../include/linux/pcs/pcs-provider.h:62 expecting prototype for fwnode_pcs_add_provider(). Prototype was for devm_fwnode_pcs_add_provider() instead > diff --git a/include/linux/pcs/pcs-provider.h b/include/linux/pcs/pcs-provider.h > new file mode 100644 > index 000000000000..5df48022bc6e > --- /dev/null > +++ b/include/linux/pcs/pcs-provider.h > @@ -0,0 +1,65 @@ > +/* SPDX-License-Identifier: GPL-2.0-or-later */ > +#ifndef __LINUX_PCS_PROVIDER_H > +#define __LINUX_PCS_PROVIDER_H > + > +struct fwnode_pcs_provider; > + > +/** > + * fwnode_pcs_simple_get - Simple xlate function to retrieve PCS > + * @pcsspec: reference arguments > + * @data: Context data (assumed assigned to the single PCS) > + * > + * Returns: the PCS pointed by data. > + */ > +struct phylink_pcs *fwnode_pcs_simple_get(struct fwnode_reference_args *pcsspec, > + void *data); > + > +/** > + * fwnode_pcs_add_provider - Registers a new PCS provider > + * @fwnode: Firmware node > + * @get: xlate function to retrieve the PCS > + * @data: Context data > + * > + * Register and add a new PCS provider to the global providers list > + * for the firmware node. The relevant PCS from the PCS provider > + * is retrieved from the passed xlate function. > + * > + * Returns: A pointer to the registered PCS provider on success, or > + * an ERR_PTR() encoded error code on failure. > + */ > +struct fwnode_pcs_provider * > +fwnode_pcs_add_provider(struct fwnode_handle *fwnode, > + struct phylink_pcs *(*get)(struct fwnode_reference_args *pcsspec, > + void *data), > + void *data); > + > +/** > + * fwnode_pcs_del_provider - Removes a PCS provider > + * @fwnode: Firmware node > + */ > +void fwnode_pcs_del_provider(struct fwnode_pcs_provider *pp); > + > +/** > + * fwnode_pcs_add_provider - Registers a new PCS provider > + * @dev: Device of the PCS provider > + * @fwnode: Firmware node > + * @get: xlate function to retrieve the PCS > + * @data: Context data > + * > + * Register and add a new PCS provider to the global providers list > + * for the firmware node. The relevant PCS from the PCS provider > + * is retrieved from the passed xlate function. While at that, it > + * also associates the device with the PCS provider using devres. > + * On driver detach, release function is invoked on the devres data, > + * then, devres data is freed. > + * > + * Returns: A pointer to the registered PCS provider on success, or > + * an ERR_PTR() encoded error code on failure. > + */ > +struct fwnode_pcs_provider * > +devm_fwnode_pcs_add_provider(struct device *dev, struct fwnode_handle *fwnode, > + struct phylink_pcs *(*get)(struct fwnode_reference_args *pcsspec, > + void *data), > + void *data); > + > +#endif /* __LINUX_PCS_PROVIDER_H */ thanks. -- ~Randy