@@ -1573,6 +1573,12 @@ static int cpsw_probe(struct platform_device *pdev)
return irq;
cpsw->irqs_table[1] = irq;
+ /* get misc irq*/
+ irq = platform_get_irq(pdev, 3);
+ if (irq <= 0)
+ return irq;
+ cpsw->misc_irq = irq;
+
/*
* This may be required here for child devices.
*/
@@ -1707,6 +1713,21 @@ static int cpsw_probe(struct platform_device *pdev)
goto clean_unregister_netdev_ret;
}
+ if (!cpsw->cpts)
+ goto skip_cpts;
+
+ ret = devm_request_irq(&pdev->dev, cpsw->misc_irq, cpsw_misc_interrupt,
+ 0, dev_name(&pdev->dev), cpsw);
+ if (ret < 0) {
+ dev_err(dev, "error attaching misc irq (%d)\n", ret);
+ goto clean_unregister_netdev_ret;
+ }
+
+ /* Enable misc CPTS evnt_pend IRQ */
+ cpts_set_irqpoll(cpsw->cpts, false);
+ writel(0x10, &cpsw->wr_regs->misc_en);
+
+skip_cpts:
cpsw_notice(priv, probe,
"initialized device (regs %pa, irq %d, pool size %d)\n",
&ss_res->start, cpsw->irqs_table[0], descs_pool_size);
@@ -1901,6 +1901,11 @@ static int cpsw_probe(struct platform_device *pdev)
return irq;
cpsw->irqs_table[1] = irq;
+ irq = platform_get_irq_byname(pdev, "misc");
+ if (irq <= 0)
+ return irq;
+ cpsw->misc_irq = irq;
+
platform_set_drvdata(pdev, cpsw);
/* This may be required here for child devices. */
pm_runtime_enable(dev);
@@ -1980,6 +1985,21 @@ static int cpsw_probe(struct platform_device *pdev)
goto clean_unregister_netdev;
}
+ if (!cpsw->cpts)
+ goto skip_cpts;
+
+ ret = devm_request_irq(dev, cpsw->misc_irq, cpsw_misc_interrupt,
+ 0, dev_name(&pdev->dev), cpsw);
+ if (ret < 0) {
+ dev_err(dev, "error attaching misc irq (%d)\n", ret);
+ goto clean_unregister_netdev;
+ }
+
+ /* Enable misc CPTS evnt_pend IRQ */
+ cpts_set_irqpoll(cpsw->cpts, false);
+ writel(0x10, &cpsw->wr_regs->misc_en);
+
+skip_cpts:
ret = cpsw_register_notifiers(cpsw);
if (ret)
goto clean_unregister_netdev;
@@ -114,6 +114,18 @@ irqreturn_t cpsw_rx_interrupt(int irq, void *dev_id)
return IRQ_HANDLED;
}
+irqreturn_t cpsw_misc_interrupt(int irq, void *dev_id)
+{
+ struct cpsw_common *cpsw = dev_id;
+
+ writel(0, &cpsw->wr_regs->misc_en);
+ cpdma_ctlr_eoi(cpsw->dma, CPDMA_EOI_MISC);
+ cpts_misc_interrupt(cpsw->cpts);
+ writel(0x10, &cpsw->wr_regs->misc_en);
+
+ return IRQ_HANDLED;
+}
+
int cpsw_tx_mq_poll(struct napi_struct *napi_tx, int budget)
{
struct cpsw_common *cpsw = napi_to_cpsw(napi_tx);
@@ -350,6 +350,7 @@ struct cpsw_common {
bool rx_irq_disabled;
bool tx_irq_disabled;
u32 irqs_table[IRQ_NUM];
+ int misc_irq;
struct cpts *cpts;
struct devlink *devlink;
int rx_ch_num, tx_ch_num;
@@ -442,6 +443,7 @@ int cpsw_run_xdp(struct cpsw_priv *priv, int ch, struct xdp_buff *xdp,
struct page *page, int port);
irqreturn_t cpsw_tx_interrupt(int irq, void *dev_id);
irqreturn_t cpsw_rx_interrupt(int irq, void *dev_id);
+irqreturn_t cpsw_misc_interrupt(int irq, void *dev_id);
int cpsw_tx_mq_poll(struct napi_struct *napi_tx, int budget);
int cpsw_tx_poll(struct napi_struct *napi_tx, int budget);
int cpsw_rx_mq_poll(struct napi_struct *napi_rx, int budget);
The CPSW misc IRQ need be enabled for CPTS event_pend IRQs processing. This patch adds corresponding support to CPSW driver. Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> --- drivers/net/ethernet/ti/cpsw.c | 21 +++++++++++++++++++++ drivers/net/ethernet/ti/cpsw_new.c | 20 ++++++++++++++++++++ drivers/net/ethernet/ti/cpsw_priv.c | 12 ++++++++++++ drivers/net/ethernet/ti/cpsw_priv.h | 2 ++ 4 files changed, 55 insertions(+)