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realtek: mdio: enable global polling flag for RTL839x

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The RTL839x has a global polling enable bit. This is set by the
dsa driver and misses in the mdio driver. Before removing the
dsa logic move the setup where it belongs.

Link: https://github.com/openwrt/openwrt/pull/24918
Signed-off-by: Markus Stockhausen <markus.stockhausen@gmx.de>
This commit is contained in:
Markus Stockhausen committed 2026-08-29 09:04:28 +02:00
1 parent 6eb718ab30
commit 2fb70bfb79
1 file changed
+9
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target/linux/realtek/files-6.18/drivers/net/mdio/mdio-realtek-otto.c
+9
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@@ -141,6 +141,7 @@
#define RTMD_839X_PHYREG_PORT_CTRL(x) (0x03e4 + (x) * 4)
#define RTMD_839X_SMI_PORT_POLLING_CTRL 0x03fc
#define RTMD_839X_SMI_GLB_CTRL 0x03f8
#define RTMD_839X_SMI_GLB_MDX_POLLING_EN BIT(7)
#define RTMD_930X_SMI_GLB_CTRL 0xca00
#define RTMD_930X_SMI_GLB_INTF_SEL(bus) BIT(16 + (bus))
@@ -788,6 +789,13 @@ static int rtmd_838x_setup_polling(struct rtmd_ctrl *ctrl)
test_bit(24, ctrl->phy_ports));
}
static int rtmd_839x_setup_polling(struct rtmd_ctrl *ctrl)
{
/* This is the only device that has a global polling enable bit */
return regmap_set_bits(ctrl->map, RTMD_839X_SMI_GLB_CTRL,
RTMD_839X_SMI_GLB_MDX_POLLING_EN);
}
static int rtmd_930x_setup_ctrl(struct rtmd_ctrl *ctrl)
{
int ret;
@@ -1180,6 +1188,7 @@ static const struct rtmd_config rtmd_839x_cfg = {
.poll_ctrl = RTMD_839X_SMI_PORT_POLLING_CTRL,
.read_c22 = rtmd_839x_read_c22,
.read_c45 = rtmd_839x_read_c45,
.setup_polling = rtmd_839x_setup_polling,
.write_c22 = rtmd_839x_write_c22,
.write_c45 = rtmd_839x_write_c45,
};