From: Nikita Yushchenko <nyushchenko@xxxxxxxxxxxxx>
This avoids calls to irq_dispose_mapping() while IRQ handler is still
installed.
Signed-off-by: Nikita Yushchenko <nyushchenko@xxxxxxxxxxxxx>
---
drivers/edac/mpc85xx_edac.c | 41 +++++++++++++++++++++++++++++------------
1 file changed, 29 insertions(+), 12 deletions(-)
diff --git a/drivers/edac/mpc85xx_edac.c b/drivers/edac/mpc85xx_edac.c
index f4aec2e..a8b78d2 100644
--- a/drivers/edac/mpc85xx_edac.c
+++ b/drivers/edac/mpc85xx_edac.c
@@ -354,7 +354,15 @@ int mpc85xx_pci_err_probe(struct platform_device *op)
}
if (edac_op_state == EDAC_OPSTATE_INT) {
- pdata->irq = irq_of_parse_and_map(op->dev.of_node, 0);
+ pdata->irq = devm_irq_of_parse_and_map(&op->dev,
+ op->dev.of_node, 0);
+ if (pdata->irq <= 0) {
+ printk(KERN_ERR
+ "%s: Unable to locate irq for MPC85xx PCI err\n",
+ __func__);
+ res = -ENODEV;
+ goto err2;
+ }
res = devm_request_irq(&op->dev, pdata->irq,
mpc85xx_pci_isr,
IRQF_SHARED,
@@ -363,7 +371,6 @@ int mpc85xx_pci_err_probe(struct platform_device *op)
printk(KERN_ERR
"%s: Unable to request irq %d for "
"MPC85xx PCI err\n", __func__, pdata->irq);
- irq_dispose_mapping(pdata->irq);
res = -ENODEV;
goto err2;
}
@@ -631,7 +638,15 @@ static int mpc85xx_l2_err_probe(struct platform_device *op)
}
if (edac_op_state == EDAC_OPSTATE_INT) {
- pdata->irq = irq_of_parse_and_map(op->dev.of_node, 0);
+ pdata->irq = devm_irq_of_parse_and_map(&op->dev,
+ op->dev.of_node, 0);
+ if (pdata->irq <= 0) {
+ printk(KERN_ERR
+ "%s: Unable to locate irq for MPC85xx L2 err\n",
+ __func__);
+ res = -ENODEV;
+ goto err2;
+ }
res = devm_request_irq(&op->dev, pdata->irq,
mpc85xx_l2_isr, 0,
"[EDAC] L2 err", edac_dev);
@@ -639,7 +654,6 @@ static int mpc85xx_l2_err_probe(struct platform_device *op)
printk(KERN_ERR
"%s: Unable to request irq %d for "
"MPC85xx L2 err\n", __func__, pdata->irq);
- irq_dispose_mapping(pdata->irq);
res = -ENODEV;
goto err2;
}
@@ -674,10 +688,8 @@ static int mpc85xx_l2_err_remove(struct platform_device *op)
edac_dbg(0, "\n");
- if (edac_op_state == EDAC_OPSTATE_INT) {
+ if (edac_op_state == EDAC_OPSTATE_INT)
out_be32(pdata->l2_vbase + MPC85XX_L2_ERRINTEN, 0);
- irq_dispose_mapping(pdata->irq);
- }
out_be32(pdata->l2_vbase + MPC85XX_L2_ERRDIS, orig_l2_err_disable);
edac_device_del_device(&op->dev);
@@ -1130,7 +1142,15 @@ static int mpc85xx_mc_err_probe(struct platform_device *op)
out_be32(pdata->mc_vbase + MPC85XX_MC_ERR_SBE, 0x10000);
/* register interrupts */
- pdata->irq = irq_of_parse_and_map(op->dev.of_node, 0);
+ pdata->irq = devm_irq_of_parse_and_map(&op->dev,
+ op->dev.of_node, 0);
+ if (pdata->irq <= 0) {
+ printk(KERN_ERR
+ "%s: Unable to locate irq for MPC85xx DRAM ERR\n",
+ __func__);
+ res = -ENODEV;
+ goto err2;
+ }
res = devm_request_irq(&op->dev, pdata->irq,
mpc85xx_mc_isr,
IRQF_SHARED,
@@ -1138,7 +1158,6 @@ static int mpc85xx_mc_err_probe(struct platform_device *op)
if (res < 0) {
printk(KERN_ERR "%s: Unable to request irq %d for "
"MPC85xx DRAM ERR\n", __func__, pdata->irq);
- irq_dispose_mapping(pdata->irq);
res = -ENODEV;
goto err2;
}
@@ -1168,10 +1187,8 @@ static int mpc85xx_mc_err_remove(struct platform_device *op)
edac_dbg(0, "\n");
- if (edac_op_state == EDAC_OPSTATE_INT) {
+ if (edac_op_state == EDAC_OPSTATE_INT)
out_be32(pdata->mc_vbase + MPC85XX_MC_ERR_INT_EN, 0);
- irq_dispose_mapping(pdata->irq);
- }
out_be32(pdata->mc_vbase + MPC85XX_MC_ERR_DISABLE,
orig_ddr_err_disable);
--
1.7.10.4
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