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Merge branch 'net-phy-improve-mdio-boardinfo-handling'

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Heiner Kallweit says:

====================
net: phy: improve mdio-boardinfo handling

This series includes smaller improvements to mdio-boardinfo handling.
====================

Link: https://patch.msgid.link/6ae7bda0-c093-468a-8ac0-50a2afa73c45@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski 2025-06-13 16:37:28 -07:00
commit a7075659f7
2 changed files with 16 additions and 22 deletions
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29
drivers/net/phy/mdio-boardinfo.c
View File

@ -3,17 +3,23 @@
* mdio-boardinfo - Collect pre-declarations for MDIO devices
*/
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/export.h>
#include <linux/mutex.h>
#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/mutex.h>
#include <linux/phy.h>
#include <linux/slab.h>
#include "mdio-boardinfo.h"
static LIST_HEAD(mdio_board_list);
static DEFINE_MUTEX(mdio_board_lock);
struct mdio_board_entry {
struct list_head list;
struct mdio_board_info board_info;
};
/**
* mdiobus_setup_mdiodev_from_board_info - create and setup MDIO devices
* from pre-collected board specific MDIO information
@ -26,24 +32,18 @@ void mdiobus_setup_mdiodev_from_board_info(struct mii_bus *bus,
(struct mii_bus *bus,
struct mdio_board_info *bi))
{
struct mdio_board_entry *be;
struct mdio_board_entry *tmp;
struct mdio_board_info *bi;
int ret;
struct mdio_board_entry *be, *tmp;
mutex_lock(&mdio_board_lock);
list_for_each_entry_safe(be, tmp, &mdio_board_list, list) {
bi = &be->board_info;
struct mdio_board_info *bi = &be->board_info;
if (strcmp(bus->id, bi->bus_id))
continue;
mutex_unlock(&mdio_board_lock);
ret = cb(bus, bi);
cb(bus, bi);
mutex_lock(&mdio_board_lock);
if (ret)
continue;
}
mutex_unlock(&mdio_board_lock);
}
@ -62,14 +62,13 @@ int mdiobus_register_board_info(const struct mdio_board_info *info,
unsigned int n)
{
struct mdio_board_entry *be;
unsigned int i;
be = kcalloc(n, sizeof(*be), GFP_KERNEL);
if (!be)
return -ENOMEM;
for (i = 0; i < n; i++, be++, info++) {
memcpy(&be->board_info, info, sizeof(*info));
for (int i = 0; i < n; i++, be++) {
be->board_info = info[i];
mutex_lock(&mdio_board_lock);
list_add_tail(&be->list, &mdio_board_list);
mutex_unlock(&mdio_board_lock);

9
drivers/net/phy/mdio-boardinfo.h
View File

@ -7,13 +7,8 @@
#ifndef __MDIO_BOARD_INFO_H
#define __MDIO_BOARD_INFO_H
#include <linux/phy.h>
#include <linux/mutex.h>
struct mdio_board_entry {
struct list_head list;
struct mdio_board_info board_info;
};
struct mii_bus;
struct mdio_board_info;
void mdiobus_setup_mdiodev_from_board_info(struct mii_bus *bus,
int (*cb)