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realtek: mdio: add regmap to bus structure

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To convert the existing sw_xxx() commands the bus needs a regmap.
This is derived from the parent mfd node like in all other Realtek
drivers.

Signed-off-by: Markus Stockhausen <markus.stockhausen@gmx.de>
Link: https://github.com/openwrt/openwrt/pull/21741
Signed-off-by: Robert Marko <robimarko@gmail.com>
This commit is contained in:
Markus Stockhausen 2026-01-27 08:33:34 +01:00 committed by Robert Marko
parent 75fd2497ac
commit 5731993557
1 changed files with 8 additions and 4 deletions
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12
target/linux/realtek/files-6.12/drivers/net/mdio/mdio-realtek-otto.c
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@ -1,10 +1,9 @@
// SPDX-License-Identifier: GPL-2.0-only
#include <linux/fwnode.h>
#include <linux/fwnode_mdio.h>
#include <linux/mutex.h>
#include <linux/of_mdio.h>
#include <linux/of_net.h>
#include <linux/of_platform.h>
#include <linux/mfd/syscon.h>
#include <linux/of.h>
#include <linux/phy.h>
#include <linux/platform_device.h>
#include <linux/types.h>
@ -175,6 +174,7 @@
struct rtmdio_ctrl {
struct regmap *map;
const struct rtmdio_config *cfg;
int page[RTMDIO_MAX_PORT];
bool raw[RTMDIO_MAX_PORT];
@ -899,6 +899,10 @@ static int rtmdio_probe(struct platform_device *pdev)
ctrl = bus->priv;
ctrl->cfg = (const struct rtmdio_config *)device_get_match_data(dev);
ctrl->map = syscon_node_to_regmap(pdev->dev.of_node->parent);
if (IS_ERR(ctrl->map))
return PTR_ERR(ctrl->map);
for (addr = 0; addr < RTMDIO_MAX_PORT; addr++)
ctrl->smi_bus[addr] = -1;