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realtek: fix link-state interrupt

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This bug was the root cause for the failing sfp driver.

Acked-by: Birger Koblitz <mail@birger-koblitz.de>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
(cherry picked from commit b8e473d18c)
This commit is contained in:
Bjørn Mork
2021-03-13 17:45:49 +01:00
committed by Hauke Mehrtens
parent 0fc789b724
commit 209f2386a5
1 changed files with 3 additions and 4 deletions
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5
target/linux/realtek/files-5.4/drivers/net/dsa/rtl83xx/common.c
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@@ -555,7 +555,6 @@ static int __init rtl83xx_sw_probe(struct platform_device *pdev)
int err = 0, i; int err = 0, i;
struct rtl838x_switch_priv *priv; struct rtl838x_switch_priv *priv;
struct device *dev = &pdev->dev; struct device *dev = &pdev->dev;
u64 irq_mask;
u64 bpdu_mask; u64 bpdu_mask;
pr_debug("Probing RTL838X switch device\n"); pr_debug("Probing RTL838X switch device\n");
@@ -651,8 +650,8 @@ static int __init rtl83xx_sw_probe(struct platform_device *pdev)
/* Enable link and media change interrupts. Are the SERDES masks needed? */ /* Enable link and media change interrupts. Are the SERDES masks needed? */
sw_w32_mask(0, 3, priv->r->isr_glb_src); sw_w32_mask(0, 3, priv->r->isr_glb_src);
priv->r->set_port_reg_le(irq_mask, priv->r->isr_port_link_sts_chg); priv->r->set_port_reg_le(priv->irq_mask, priv->r->isr_port_link_sts_chg);
priv->r->set_port_reg_le(irq_mask, priv->r->imr_port_link_sts_chg); priv->r->set_port_reg_le(priv->irq_mask, priv->r->imr_port_link_sts_chg);
priv->link_state_irq = platform_get_irq(pdev, 0); priv->link_state_irq = platform_get_irq(pdev, 0);
pr_info("LINK state irq: %d\n", priv->link_state_irq); pr_info("LINK state irq: %d\n", priv->link_state_irq);