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Message-ID: <486b0c8b.KRCPDeIgRMakiRp7%dougthompson@xmission.com>
Date: Tue, 01 Jul 2008 23:05:15 -0600
From: dougthompson@...ssion.com
To: bluesmoke-devel@...ts.sourceforge.net,
linux-kernel@...r.kernel.org, akpm@...ux-foundation.org
Subject: [PATCH] EDAC: mpc85xx fix pci ofdev 2nd pass
From: Dave Jiang <djiang@...sta.com>
Applied to linux-2.6.26-rc8-next-20080702
Converting PCI err device from platform to open firmware of_dev to comply with
powerpc schemes.
Repatched for linux-next
Signed-off-by: Dave Jiang <djiang@...sta.com>
Signed-off-by: Doug Thompson <dougthompson@...ssion.com>
---
mpc85xx_edac.c | 67 ++++++++++++++++++++++++++++++++++++---------------------
1 file changed, 43 insertions(+), 24 deletions(-)
diff -Naurp 2.6.26-rc8.orig/drivers/edac/mpc85xx_edac.c 2.6.26-rc8/drivers/edac/mpc85xx_edac.c
--- 2.6.26-rc8.orig/drivers/edac/mpc85xx_edac.c 2008-06-30 15:41:02.000000000 -0700
+++ 2.6.26-rc8/drivers/edac/mpc85xx_edac.c 2008-06-30 15:33:34.000000000 -0700
@@ -195,14 +195,15 @@ static irqreturn_t mpc85xx_pci_isr(int i
return IRQ_HANDLED;
}
-static int __devinit mpc85xx_pci_err_probe(struct platform_device *pdev)
+static int __devinit mpc85xx_pci_err_probe(struct of_device *op,
+ const struct of_device_id *match)
{
struct edac_pci_ctl_info *pci;
struct mpc85xx_pci_pdata *pdata;
- struct resource *r;
+ struct resource r;
int res = 0;
- if (!devres_open_group(&pdev->dev, mpc85xx_pci_err_probe, GFP_KERNEL))
+ if (!devres_open_group(&op->dev, mpc85xx_pci_err_probe, GFP_KERNEL))
return -ENOMEM;
pci = edac_pci_alloc_ctl_info(sizeof(*pdata), "mpc85xx_pci_err");
@@ -212,34 +213,37 @@ static int __devinit mpc85xx_pci_err_pro
pdata = pci->pvt_info;
pdata->name = "mpc85xx_pci_err";
pdata->irq = NO_IRQ;
- platform_set_drvdata(pdev, pci);
- pci->dev = &pdev->dev;
+ dev_set_drvdata(&op->dev, pci);
+ pci->dev = &op->dev;
pci->mod_name = EDAC_MOD_STR;
pci->ctl_name = pdata->name;
- pci->dev_name = pdev->dev.bus_id;
+ pci->dev_name = op->dev.bus_id;
if (edac_op_state == EDAC_OPSTATE_POLL)
pci->edac_check = mpc85xx_pci_check;
pdata->edac_idx = edac_pci_idx++;
- r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!r) {
+ res = of_address_to_resource(op->node, 0, &r);
+ if (res) {
printk(KERN_ERR "%s: Unable to get resource for "
"PCI err regs\n", __func__);
goto err;
}
- if (!devm_request_mem_region(&pdev->dev, r->start,
- r->end - r->start + 1, pdata->name)) {
+ /* we only need the error registers */
+ r.start += 0xe00;
+
+ if (!devm_request_mem_region(&op->dev, r.start,
+ r.end - r.start + 1, pdata->name)) {
printk(KERN_ERR "%s: Error while requesting mem region\n",
__func__);
res = -EBUSY;
goto err;
}
- pdata->pci_vbase = devm_ioremap(&pdev->dev, r->start,
- r->end - r->start + 1);
+ pdata->pci_vbase = devm_ioremap(&op->dev, r.start,
+ r.end - r.start + 1);
if (!pdata->pci_vbase) {
printk(KERN_ERR "%s: Unable to setup PCI err regs\n", __func__);
res = -ENOMEM;
@@ -266,14 +270,15 @@ static int __devinit mpc85xx_pci_err_pro
}
if (edac_op_state == EDAC_OPSTATE_INT) {
- pdata->irq = platform_get_irq(pdev, 0);
- res = devm_request_irq(&pdev->dev, pdata->irq,
+ pdata->irq = irq_of_parse_and_map(op->node, 0);
+ res = devm_request_irq(&op->dev, pdata->irq,
mpc85xx_pci_isr, IRQF_DISABLED,
"[EDAC] PCI err", pci);
if (res < 0) {
printk(KERN_ERR
"%s: Unable to requiest irq %d for "
"MPC85xx PCI err\n", __func__, pdata->irq);
+ irq_dispose_mapping(pdata->irq);
res = -ENODEV;
goto err2;
}
@@ -282,23 +287,23 @@ static int __devinit mpc85xx_pci_err_pro
pdata->irq);
}
- devres_remove_group(&pdev->dev, mpc85xx_pci_err_probe);
+ devres_remove_group(&op->dev, mpc85xx_pci_err_probe);
debugf3("%s(): success\n", __func__);
printk(KERN_INFO EDAC_MOD_STR " PCI err registered\n");
return 0;
err2:
- edac_pci_del_device(&pdev->dev);
+ edac_pci_del_device(&op->dev);
err:
edac_pci_free_ctl_info(pci);
- devres_release_group(&pdev->dev, mpc85xx_pci_err_probe);
+ devres_release_group(&op->dev, mpc85xx_pci_err_probe);
return res;
}
-static int mpc85xx_pci_err_remove(struct platform_device *pdev)
+static int mpc85xx_pci_err_remove(struct of_device *op)
{
- struct edac_pci_ctl_info *pci = platform_get_drvdata(pdev);
+ struct edac_pci_ctl_info *pci = dev_get_drvdata(&op->dev);
struct mpc85xx_pci_pdata *pdata = pci->pvt_info;
debugf0("%s()\n", __func__);
@@ -318,12 +323,26 @@ static int mpc85xx_pci_err_remove(struct
return 0;
}
-static struct platform_driver mpc85xx_pci_err_driver = {
+static struct of_device_id mpc85xx_pci_err_of_match[] = {
+ {
+ .compatible = "fsl,mpc8540-pcix",
+ },
+ {
+ .compatible = "fsl,mpc8540-pci",
+ },
+ {},
+};
+
+static struct of_platform_driver mpc85xx_pci_err_driver = {
+ .owner = THIS_MODULE,
+ .name = "mpc85xx_pci_err",
+ .match_table = mpc85xx_pci_err_of_match,
.probe = mpc85xx_pci_err_probe,
.remove = __devexit_p(mpc85xx_pci_err_remove),
.driver = {
- .name = "mpc85xx_pci_err",
- }
+ .name = "mpc85xx_pci_err",
+ .owner = THIS_MODULE,
+ },
};
#endif /* CONFIG_PCI */
@@ -1002,7 +1021,7 @@ static int __init mpc85xx_mc_init(void)
printk(KERN_WARNING EDAC_MOD_STR "L2 fails to register\n");
#ifdef CONFIG_PCI
- res = platform_driver_register(&mpc85xx_pci_err_driver);
+ res = of_register_platform_driver(&mpc85xx_pci_err_driver);
if (res)
printk(KERN_WARNING EDAC_MOD_STR "PCI fails to register\n");
#endif
@@ -1025,7 +1044,7 @@ static void __exit mpc85xx_mc_exit(void)
{
mtspr(SPRN_HID1, orig_hid1);
#ifdef CONFIG_PCI
- platform_driver_unregister(&mpc85xx_pci_err_driver);
+ of_unregister_platform_driver(&mpc85xx_pci_err_driver);
#endif
of_unregister_platform_driver(&mpc85xx_l2_err_driver);
of_unregister_platform_driver(&mpc85xx_mc_err_driver);
--
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