[openwrt/openwrt] realtek: fix link-state interrupt

LEDE Commits lede-commits at lists.infradead.org
Sun Apr 18 13:15:37 BST 2021


hauke pushed a commit to openwrt/openwrt.git, branch openwrt-21.02:
https://git.openwrt.org/209f2386a57d19eae9d7d5daa192d2f81c3a9202

commit 209f2386a57d19eae9d7d5daa192d2f81c3a9202
Author: Bjørn Mork <bjorn at mork.no>
AuthorDate: Sat Mar 13 17:45:49 2021 +0100

    realtek: fix link-state interrupt
    
    This bug was the root cause for the failing sfp driver.
    
    Acked-by: Birger Koblitz <mail at birger-koblitz.de>
    Signed-off-by: Bjørn Mork <bjorn at mork.no>
    (cherry picked from commit b8e473d18c6af2abf0d047247fdbe6d178228ac0)
---
 target/linux/realtek/files-5.4/drivers/net/dsa/rtl83xx/common.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/target/linux/realtek/files-5.4/drivers/net/dsa/rtl83xx/common.c b/target/linux/realtek/files-5.4/drivers/net/dsa/rtl83xx/common.c
index 698f2892ea..197a96f8ad 100644
--- a/target/linux/realtek/files-5.4/drivers/net/dsa/rtl83xx/common.c
+++ b/target/linux/realtek/files-5.4/drivers/net/dsa/rtl83xx/common.c
@@ -555,7 +555,6 @@ static int __init rtl83xx_sw_probe(struct platform_device *pdev)
 	int err = 0, i;
 	struct rtl838x_switch_priv *priv;
 	struct device *dev = &pdev->dev;
-	u64 irq_mask;
 	u64 bpdu_mask;
 
 	pr_debug("Probing RTL838X switch device\n");
@@ -650,9 +649,9 @@ static int __init rtl83xx_sw_probe(struct platform_device *pdev)
 
 	/* Enable link and media change interrupts. Are the SERDES masks needed? */
 	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(irq_mask, priv->r->imr_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(priv->irq_mask, priv->r->imr_port_link_sts_chg);
 
 	priv->link_state_irq = platform_get_irq(pdev, 0);
 	pr_info("LINK state irq: %d\n", priv->link_state_irq);



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