drivers-edac: i3000 code tidying

Style cleanup, mostly just 80-column fixes.
Signed-off-by: NJason Uhlenkott <juhlenko@akamai.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk
Signed-off-by: NDoug Thompson <dougthompson@xmission.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

drivers/edac/i3000_edac.c

@@ -30,105 +30,112 @@
 #define I3000_MCHBAR_MASK	0xffffc000
 #define I3000_MMR_WINDOW_SIZE	16384
 
-#define I3000_EDEAP		0x70	/* Extended DRAM Error Address Pointer (8b)
-					 *
-					 * 7:1   reserved
-					 * 0     bit 32 of address
-					 */
-#define I3000_DEAP		0x58	/* DRAM Error Address Pointer (32b)
-					 *
-					 * 31:7  address
-					 * 6:1   reserved
-					 * 0     Error channel 0/1
-					 */
-#define I3000_DEAP_GRAIN	(1 << 7)
-#define I3000_DEAP_PFN(edeap, deap)	((((edeap) & 1) << (32 - PAGE_SHIFT)) | \
-					((deap) >> PAGE_SHIFT))
-#define I3000_DEAP_OFFSET(deap)		((deap) & ~(I3000_DEAP_GRAIN-1) & ~PAGE_MASK)
+#define I3000_EDEAP	0x70	/* Extended DRAM Error Address Pointer (8b)
+				 *
+				 * 7:1   reserved
+				 * 0     bit 32 of address
+				 */
+#define I3000_DEAP	0x58	/* DRAM Error Address Pointer (32b)
+				 *
+				 * 31:7  address
+				 * 6:1   reserved
+				 * 0     Error channel 0/1
+				 */
+#define I3000_DEAP_GRAIN 		(1 << 7)
+#define I3000_DEAP_PFN(edeap, deap)	((((edeap) & 1) << (32 - PAGE_SHIFT)) \
+					| ((deap) >> PAGE_SHIFT))
+#define I3000_DEAP_OFFSET(deap)		((deap) & ~(I3000_DEAP_GRAIN-1) & \
+					~PAGE_MASK)
 #define I3000_DEAP_CHANNEL(deap)	((deap) & 1)
 
-#define I3000_DERRSYN		0x5c	/* DRAM Error Syndrome (8b)
-					 *
-					 *  7:0  DRAM ECC Syndrome
-					 */
-
-#define I3000_ERRSTS		0xc8	/* Error Status Register (16b)
-					 *
-					 * 15:12 reserved
-					 * 11    MCH Thermal Sensor Event for SMI/SCI/SERR
-					 * 10    reserved
-					 *  9    LOCK to non-DRAM Memory Flag (LCKF)
-					 *  8    Received Refresh Timeout Flag (RRTOF)
-					 *  7:2  reserved
-					 *  1    Multiple-bit DRAM ECC Error Flag (DMERR)
-					 *  0    Single-bit DRAM ECC Error Flag (DSERR)
-					 */
+#define I3000_DERRSYN	0x5c	/* DRAM Error Syndrome (8b)
+				 *
+				 *  7:0  DRAM ECC Syndrome
+				 */
+
+#define I3000_ERRSTS	0xc8	/* Error Status Register (16b)
+				 *
+				 * 15:12 reserved
+				 * 11    MCH Thermal Sensor Event
+				 *         for SMI/SCI/SERR
+				 * 10    reserved
+				 *  9    LOCK to non-DRAM Memory Flag (LCKF)
+				 *  8    Received Refresh Timeout Flag (RRTOF)
+				 *  7:2  reserved
+				 *  1    Multi-bit DRAM ECC Error Flag (DMERR)
+				 *  0    Single-bit DRAM ECC Error Flag (DSERR)
+				 */
 #define I3000_ERRSTS_BITS	0x0b03	/* bits which indicate errors */
 #define I3000_ERRSTS_UE		0x0002
 #define I3000_ERRSTS_CE		0x0001
 
-#define I3000_ERRCMD		0xca	/* Error Command (16b)
-					 *
-					 * 15:12 reserved
-					 * 11    SERR on MCH Thermal Sensor Event (TSESERR)
-					 * 10    reserved
-					 *  9    SERR on LOCK to non-DRAM Memory (LCKERR)
-					 *  8    SERR on DRAM Refresh Timeout (DRTOERR)
-					 *  7:2  reserved
-					 *  1    SERR Multiple-Bit DRAM ECC Error (DMERR)
-					 *  0    SERR on Single-Bit ECC Error (DSERR)
-					 */
+#define I3000_ERRCMD	0xca	/* Error Command (16b)
+				 *
+				 * 15:12 reserved
+				 * 11    SERR on MCH Thermal Sensor Event
+				 *         (TSESERR)
+				 * 10    reserved
+				 *  9    SERR on LOCK to non-DRAM Memory
+				 *         (LCKERR)
+				 *  8    SERR on DRAM Refresh Timeout
+				 *         (DRTOERR)
+				 *  7:2  reserved
+				 *  1    SERR Multi-Bit DRAM ECC Error
+				 *         (DMERR)
+				 *  0    SERR on Single-Bit ECC Error
+				 *         (DSERR)
+				 */
 
 /* Intel  MMIO register space - device 0 function 0 - MMR space */
 
 #define I3000_DRB_SHIFT 25	/* 32MiB grain */
 
-#define I3000_C0DRB		0x100	/* Channel 0 DRAM Rank Boundary (8b x 4)
-					 *
-					 * 7:0   Channel 0 DRAM Rank Boundary Address
-					 */
-#define I3000_C1DRB		0x180	/* Channel 1 DRAM Rank Boundary (8b x 4)
-					 *
-					 * 7:0   Channel 1 DRAM Rank Boundary Address
-					 */
-
-#define I3000_C0DRA		0x108	/* Channel 0 DRAM Rank Attribute (8b x 2)
-					 *
-					 * 7     reserved
-					 * 6:4   DRAM odd Rank Attribute
-					 * 3     reserved
-					 * 2:0   DRAM even Rank Attribute
-					 *
-					 * Each attribute defines the page
-					 * size of the corresponding rank:
-					 *     000: unpopulated
-					 *     001: reserved
-					 *     010: 4 KB
-					 *     011: 8 KB
-					 *     100: 16 KB
-					 *     Others: reserved
-					 */
-#define I3000_C1DRA		0x188	/* Channel 1 DRAM Rank Attribute (8b x 2) */
-#define ODD_RANK_ATTRIB(dra) (((dra) & 0x70) >> 4)
-#define EVEN_RANK_ATTRIB(dra) ((dra) & 0x07)
-
-#define I3000_C0DRC0		0x120	/* DRAM Controller Mode 0 (32b)
-					 *
-					 * 31:30 reserved
-					 * 29    Initialization Complete (IC)
-					 * 28:11 reserved
-					 * 10:8  Refresh Mode Select (RMS)
-					 * 7     reserved
-					 * 6:4   Mode Select (SMS)
-					 * 3:2   reserved
-					 * 1:0   DRAM Type (DT)
-					 */
-
-#define I3000_C0DRC1		0x124	/* DRAM Controller Mode 1 (32b)
-					 *
-					 * 31    Enhanced Addressing Enable (ENHADE)
-					 * 30:0  reserved
-					 */
+#define I3000_C0DRB	0x100	/* Channel 0 DRAM Rank Boundary (8b x 4)
+				 *
+				 * 7:0   Channel 0 DRAM Rank Boundary Address
+				 */
+#define I3000_C1DRB	0x180	/* Channel 1 DRAM Rank Boundary (8b x 4)
+				 *
+				 * 7:0   Channel 1 DRAM Rank Boundary Address
+				 */
+
+#define I3000_C0DRA	0x108	/* Channel 0 DRAM Rank Attribute (8b x 2)
+				 *
+				 * 7     reserved
+				 * 6:4   DRAM odd Rank Attribute
+				 * 3     reserved
+				 * 2:0   DRAM even Rank Attribute
+				 *
+				 * Each attribute defines the page
+				 * size of the corresponding rank:
+				 *     000: unpopulated
+				 *     001: reserved
+				 *     010: 4 KB
+				 *     011: 8 KB
+				 *     100: 16 KB
+				 *     Others: reserved
+				 */
+#define I3000_C1DRA	0x188	/* Channel 1 DRAM Rank Attribute (8b x 2) */
+#define ODD_RANK_ATTRIB(dra)	(((dra) & 0x70) >> 4)
+#define EVEN_RANK_ATTRIB(dra)	((dra) & 0x07)
+
+#define I3000_C0DRC0	0x120	/* DRAM Controller Mode 0 (32b)
+				 *
+				 * 31:30 reserved
+				 * 29    Initialization Complete (IC)
+				 * 28:11 reserved
+				 * 10:8  Refresh Mode Select (RMS)
+				 * 7     reserved
+				 * 6:4   Mode Select (SMS)
+				 * 3:2   reserved
+				 * 1:0   DRAM Type (DT)
+				 */
+
+#define I3000_C0DRC1	0x124	/* DRAM Controller Mode 1 (32b)
+				 *
+				 * 31    Enhanced Addressing Enable (ENHADE)
+				 * 30:0  reserved
+				 */
 
 enum i3000p_chips {
 	I3000 = 0,
@@ -187,7 +194,8 @@ static void i3000_get_error_info(struct mem_ctl_info *mci,
 		pci_read_config_byte(pdev, I3000_DERRSYN, &info->derrsyn);
 	}
 
-	/* Clear any error bits.
+	/*
+	 * Clear any error bits.
 	 * (Yes, we really clear bits by writing 1 to them.)
 	 */
 	pci_write_bits16(pdev, I3000_ERRSTS, I3000_ERRSTS_BITS,
@@ -245,7 +253,8 @@ static int i3000_is_interleaved(const unsigned char *c0dra,
 {
 	int i;
 
-	/* If the channels aren't populated identically then
+	/*
+	 * If the channels aren't populated identically then
 	 * we're not interleaved.
 	 */
 	for (i = 0; i < I3000_RANKS_PER_CHANNEL / 2; i++)
@@ -254,7 +263,8 @@ static int i3000_is_interleaved(const unsigned char *c0dra,
 						EVEN_RANK_ATTRIB(c1dra[i]))
 			return 0;
 
-	/* If the rank boundaries for the two channels are different
+	/*
+	 * If the rank boundaries for the two channels are different
 	 * then we're not interleaved.
 	 */
 	for (i = 0; i < I3000_RANKS_PER_CHANNEL; i++)
@@ -300,7 +310,8 @@ static int i3000_probe1(struct pci_dev *pdev, int dev_idx)
 
 	iounmap(window);
 
-	/* Figure out how many channels we have.
+	/*
+	 * Figure out how many channels we have.
 	 *
 	 * If we have what the datasheet calls "asymmetric channels"
 	 * (essentially the same as what was called "virtual single
@@ -363,7 +374,8 @@ static int i3000_probe1(struct pci_dev *pdev, int dev_idx)
 		csrow->edac_mode = EDAC_UNKNOWN;
 	}
 
-	/* Clear any error bits.
+	/*
+	 * Clear any error bits.
 	 * (Yes, we really clear bits by writing 1 to them.)
 	 */
 	pci_write_bits16(pdev, I3000_ERRSTS, I3000_ERRSTS_BITS,
@@ -390,7 +402,7 @@ static int i3000_probe1(struct pci_dev *pdev, int dev_idx)
 	debugf3("MC: %s(): success\n", __func__);
 	return 0;
 
-      fail:
+fail:
 	if (mci)
 		edac_mc_free(mci);
 
@@ -409,7 +421,7 @@ static int __devinit i3000_init_one(struct pci_dev *pdev,
 		return -EIO;
 
 	rc = i3000_probe1(pdev, ent->driver_data);
-	if (mci_pdev == NULL)
+	if (!mci_pdev)
 		mci_pdev = pci_dev_get(pdev);
 
 	return rc;
@@ -424,7 +436,8 @@ static void __devexit i3000_remove_one(struct pci_dev *pdev)
 	if (i3000_pci)
 		edac_pci_release_generic_ctl(i3000_pci);
 
-	if ((mci = edac_mc_del_mc(&pdev->dev)) == NULL)
+	mci = edac_mc_del_mc(&pdev->dev);
+	if (!mci)
 		return;
 
 	edac_mc_free(mci);
@@ -457,7 +470,7 @@ static int __init i3000_init(void)
 	if (pci_rc < 0)
 		goto fail0;
 
-	if (mci_pdev == NULL) {
+	if (!mci_pdev) {
 		i3000_registered = 0;
 		mci_pdev = pci_get_device(PCI_VENDOR_ID_INTEL,
 					PCI_DEVICE_ID_INTEL_3000_HB, NULL);