linux-kernel - [PATCH 22 of 33] IB/ipath - print better error messages if kernel is misconfigured

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Date:	Thu, 15 Mar 2007 14:45:06 -0700
From:	Bryan O'Sullivan <bos@...hscale.com>
To:	rdreier@...co.com
Cc:	openib-general@...nfabrics.org, linux-kernel@...r.kernel.org
Subject: [PATCH 22 of 33] IB/ipath - print better error messages if kernel is
	misconfigured

# HG changeset patch
# User Bryan O'Sullivan <bryan.osullivan@...gic.com>
# Date 1173994465 25200
# Node ID fe719d50378ce70909f96bd5e7bc8e4f28a5031b
# Parent  68302e9dbd8803f937af9f02ca26a63ff43e9afa
IB/ipath - print better error messages if kernel is misconfigured

Signed-off-by: Bryan O'Sullivan <bryan.osullivan@...gic.com>

diff -r 68302e9dbd88 -r fe719d50378c drivers/infiniband/hw/ipath/ipath_driver.c
--- a/drivers/infiniband/hw/ipath/ipath_driver.c	Thu Mar 15 14:34:25 2007 -0700
+++ b/drivers/infiniband/hw/ipath/ipath_driver.c	Thu Mar 15 14:34:25 2007 -0700
@@ -390,15 +390,23 @@ static int __devinit ipath_init_one(stru
 
 	/* setup the chip-specific functions, as early as possible. */
 	switch (ent->device) {
+	case PCI_DEVICE_ID_INFINIPATH_HT:
 #ifdef CONFIG_HT_IRQ
-	case PCI_DEVICE_ID_INFINIPATH_HT:
 		ipath_init_iba6110_funcs(dd);
 		break;
+#else
+		ipath_dev_err(dd, "QLogic HT device 0x%x cannot work if "
+			      "CONFIG_HT_IRQ is not enabled\n", ent->device);
+		return -ENODEV;
 #endif
+	case PCI_DEVICE_ID_INFINIPATH_PE800:
 #ifdef CONFIG_PCI_MSI
-	case PCI_DEVICE_ID_INFINIPATH_PE800:
 		ipath_init_iba6120_funcs(dd);
 		break;
+#else
+		ipath_dev_err(dd, "QLogic PCIE device 0x%x cannot work if "
+			      "CONFIG_PCI_MSI is not enabled\n", ent->device);
+		return -ENODEV;
 #endif
 	default:
 		ipath_dev_err(dd, "Found unknown QLogic deviceid 0x%x, "
-
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