Changes since v13:
- Update correct sender email
Changes since v12:
- Update correct sender email
Changes since v11:
- Update debug message print
Changes since v10:
- Update commit message
Changes since v9:
- prevent race condition of safety IRQ handling
Changes since v8:
- Use shared IRQ for sfty
- update error message
Changes since v7:
- Add support of common sfty irq on stmmac_request_irq_multi_msi.
- Remove uncecessary blank line.
Changes since v6:
- use name sfty_irq instead of safety_common_irq.
Changes since v5:
- Add description of ECC, DPP, FSM
Changes since v4:
- Fix DT_CHECKER warning
- use name safety for the IRQ.
Suraj Jaiswal (2):
dt-bindings: net: qcom,ethqos: add binding doc for safety IRQ for
sa8775p
net: stmmac: Add driver support for common safety IRQ
.../devicetree/bindings/net/qcom,ethqos.yaml | 9 ++--
.../devicetree/bindings/net/snps,dwmac.yaml | 6 ++-
drivers/net/ethernet/stmicro/stmmac/common.h | 1 +
drivers/net/ethernet/stmicro/stmmac/stmmac.h | 3 ++
.../net/ethernet/stmicro/stmmac/stmmac_main.c | 41 ++++++++++++++++++-
.../ethernet/stmicro/stmmac/stmmac_platform.c | 8 ++++
6 files changed, 61 insertions(+), 7 deletions(-)
--
2.25.1
Add binding doc for safety IRQ. The safety IRQ will be
triggered for ECC(error correction code), DPP(data path
parity), FSM(finite state machine) error.
Signed-off-by: Suraj Jaiswal <[email protected]>
Reviewed-by: Rob Herring <[email protected]>
---
Documentation/devicetree/bindings/net/qcom,ethqos.yaml | 9 ++++++---
Documentation/devicetree/bindings/net/snps,dwmac.yaml | 6 ++++--
2 files changed, 10 insertions(+), 5 deletions(-)
diff --git a/Documentation/devicetree/bindings/net/qcom,ethqos.yaml b/Documentation/devicetree/bindings/net/qcom,ethqos.yaml
index 7bdb412a0185..69a337c7e345 100644
--- a/Documentation/devicetree/bindings/net/qcom,ethqos.yaml
+++ b/Documentation/devicetree/bindings/net/qcom,ethqos.yaml
@@ -37,12 +37,14 @@ properties:
items:
- description: Combined signal for various interrupt events
- description: The interrupt that occurs when Rx exits the LPI state
+ - description: The interrupt that occurs when HW safety error triggered
interrupt-names:
minItems: 1
items:
- const: macirq
- - const: eth_lpi
+ - enum: [eth_lpi, sfty]
+ - const: sfty
clocks:
maxItems: 4
@@ -89,8 +91,9 @@ examples:
<&gcc GCC_ETH_PTP_CLK>,
<&gcc GCC_ETH_RGMII_CLK>;
interrupts = <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>,
- <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>;
- interrupt-names = "macirq", "eth_lpi";
+ <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 782 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "macirq", "eth_lpi", "sfty";
rx-fifo-depth = <4096>;
tx-fifo-depth = <4096>;
diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
index 90c4db178c67..6b0341a8e0ea 100644
--- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml
+++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
@@ -108,13 +108,15 @@ properties:
- description: Combined signal for various interrupt events
- description: The interrupt to manage the remote wake-up packet detection
- description: The interrupt that occurs when Rx exits the LPI state
+ - description: The interrupt that occurs when HW safety error triggered
interrupt-names:
minItems: 1
items:
- const: macirq
- - enum: [eth_wake_irq, eth_lpi]
- - const: eth_lpi
+ - enum: [eth_wake_irq, eth_lpi, sfty]
+ - enum: [eth_wake_irq, eth_lpi, sfty]
+ - enum: [eth_wake_irq, eth_lpi, sfty]
clocks:
minItems: 1
--
2.25.1
Add support to listen HW safety IRQ like ECC(error
correction code), DPP(data path parity), FSM(finite state
machine) fault in common IRQ line.
Signed-off-by: Suraj Jaiswal <[email protected]>
Reviewed-by: Serge Semin <[email protected]>
---
drivers/net/ethernet/stmicro/stmmac/common.h | 1 +
drivers/net/ethernet/stmicro/stmmac/stmmac.h | 3 ++
.../net/ethernet/stmicro/stmmac/stmmac_main.c | 41 ++++++++++++++++++-
.../ethernet/stmicro/stmmac/stmmac_platform.c | 8 ++++
4 files changed, 51 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h
index 07fe852001a0..a6fefe675ef1 100644
--- a/drivers/net/ethernet/stmicro/stmmac/common.h
+++ b/drivers/net/ethernet/stmicro/stmmac/common.h
@@ -371,6 +371,7 @@ enum request_irq_err {
REQ_IRQ_ERR_ALL,
REQ_IRQ_ERR_TX,
REQ_IRQ_ERR_RX,
+ REQ_IRQ_ERR_SFTY,
REQ_IRQ_ERR_SFTY_UE,
REQ_IRQ_ERR_SFTY_CE,
REQ_IRQ_ERR_LPI,
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac.h b/drivers/net/ethernet/stmicro/stmmac/stmmac.h
index f155e4841c62..dddcaa9220cc 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac.h
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac.h
@@ -31,6 +31,7 @@ struct stmmac_resources {
int wol_irq;
int lpi_irq;
int irq;
+ int sfty_irq;
int sfty_ce_irq;
int sfty_ue_irq;
int rx_irq[MTL_MAX_RX_QUEUES];
@@ -298,6 +299,7 @@ struct stmmac_priv {
void __iomem *ptpaddr;
void __iomem *estaddr;
unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
+ int sfty_irq;
int sfty_ce_irq;
int sfty_ue_irq;
int rx_irq[MTL_MAX_RX_QUEUES];
@@ -306,6 +308,7 @@ struct stmmac_priv {
char int_name_mac[IFNAMSIZ + 9];
char int_name_wol[IFNAMSIZ + 9];
char int_name_lpi[IFNAMSIZ + 9];
+ char int_name_sfty[IFNAMSIZ + 10];
char int_name_sfty_ce[IFNAMSIZ + 10];
char int_name_sfty_ue[IFNAMSIZ + 10];
char int_name_rx_irq[MTL_MAX_TX_QUEUES][IFNAMSIZ + 14];
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 5236956cc7e4..9159d93ceb03 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -3597,6 +3597,10 @@ static void stmmac_free_irq(struct net_device *dev,
if (priv->wol_irq > 0 && priv->wol_irq != dev->irq)
free_irq(priv->wol_irq, dev);
fallthrough;
+ case REQ_IRQ_ERR_SFTY:
+ if (priv->sfty_irq > 0 && priv->sfty_irq != dev->irq)
+ free_irq(priv->sfty_irq, dev);
+ fallthrough;
case REQ_IRQ_ERR_WOL:
free_irq(dev->irq, dev);
fallthrough;
@@ -3667,6 +3671,23 @@ static int stmmac_request_irq_multi_msi(struct net_device *dev)
}
}
+ /* Request the common Safety Feature Correctible/Uncorrectible
+ * Error line in case of another line is used
+ */
+ if (priv->sfty_irq > 0 && priv->sfty_irq != dev->irq) {
+ int_name = priv->int_name_sfty;
+ sprintf(int_name, "%s:%s", dev->name, "safety");
+ ret = request_irq(priv->sfty_irq, stmmac_safety_interrupt,
+ 0, int_name, dev);
+ if (unlikely(ret < 0)) {
+ netdev_err(priv->dev,
+ "%s: alloc sfty MSI %d (error: %d)\n",
+ __func__, priv->sfty_irq, ret);
+ irq_err = REQ_IRQ_ERR_SFTY;
+ goto irq_error;
+ }
+ }
+
/* Request the Safety Feature Correctible Error line in
* case of another line is used
*/
@@ -3804,6 +3825,21 @@ static int stmmac_request_irq_single(struct net_device *dev)
}
}
+ /* Request the common Safety Feature Correctible/Uncorrectible
+ * Error line in case of another line is used
+ */
+ if (priv->sfty_irq > 0 && priv->sfty_irq != dev->irq) {
+ ret = request_irq(priv->sfty_irq, stmmac_safety_interrupt,
+ IRQF_SHARED, dev->name, dev);
+ if (unlikely(ret < 0)) {
+ netdev_err(priv->dev,
+ "%s: ERROR: allocating the sfty IRQ %d (%d)\n",
+ __func__, priv->sfty_irq, ret);
+ irq_err = REQ_IRQ_ERR_SFTY;
+ goto irq_error;
+ }
+ }
+
return 0;
irq_error:
@@ -6063,8 +6099,8 @@ static irqreturn_t stmmac_interrupt(int irq, void *dev_id)
if (test_bit(STMMAC_DOWN, &priv->state))
return IRQ_HANDLED;
- /* Check if a fatal error happened */
- if (stmmac_safety_feat_interrupt(priv))
+ /* Check ASP error if it isn't delivered via an individual IRQ */
+ if (priv->sfty_irq <= 0 && stmmac_safety_feat_interrupt(priv))
return IRQ_HANDLED;
/* To handle Common interrupts */
@@ -7513,6 +7549,7 @@ int stmmac_dvr_probe(struct device *device,
priv->dev->irq = res->irq;
priv->wol_irq = res->wol_irq;
priv->lpi_irq = res->lpi_irq;
+ priv->sfty_irq = res->sfty_irq;
priv->sfty_ce_irq = res->sfty_ce_irq;
priv->sfty_ue_irq = res->sfty_ue_irq;
for (i = 0; i < MTL_MAX_RX_QUEUES; i++)
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
index 70eadc83ca68..54797edc9b38 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -743,6 +743,14 @@ int stmmac_get_platform_resources(struct platform_device *pdev,
dev_info(&pdev->dev, "IRQ eth_lpi not found\n");
}
+ stmmac_res->sfty_irq =
+ platform_get_irq_byname_optional(pdev, "sfty");
+ if (stmmac_res->sfty_irq < 0) {
+ if (stmmac_res->sfty_irq == -EPROBE_DEFER)
+ return -EPROBE_DEFER;
+ dev_info(&pdev->dev, "IRQ sfty not found\n");
+ }
+
stmmac_res->addr = devm_platform_ioremap_resource(pdev, 0);
return PTR_ERR_OR_ZERO(stmmac_res->addr);
--
2.25.1
Hello:
This series was applied to netdev/net-next.git (main)
by David S. Miller <[email protected]>:
On Fri, 9 Feb 2024 14:20:10 +0530 you wrote:
> Changes since v13:
> - Update correct sender email
>
> Changes since v12:
> - Update correct sender email
>
> Changes since v11:
> - Update debug message print
>
> [...]
Here is the summary with links:
- [net-next,v13,1/2] dt-bindings: net: qcom,ethqos: add binding doc for safety IRQ for sa8775p
https://git.kernel.org/netdev/net-next/c/1963e65b3dfe
- [net-next,v13,2/2] net: stmmac: Add driver support for common safety IRQ
https://git.kernel.org/netdev/net-next/c/5c2215167d12
You are awesome, thank you!
--
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