PCI: pcie, aer: flags to bits

Compact struct and codes.
Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

drivers/pci/pcie/aer/aerdrv.h

@@ -40,10 +40,6 @@
 					PCI_ERR_UNC_UNX_COMP|		\
 					PCI_ERR_UNC_MALF_TLP)
 
-/* AER Error Info Flags */
-#define AER_TLP_HEADER_VALID_FLAG	0x00000001
-#define AER_MULTI_ERROR_VALID_FLAG	0x00000002
-
 struct header_log_regs {
 	unsigned int dw0;
 	unsigned int dw1;
@@ -55,10 +51,17 @@ struct header_log_regs {
 struct aer_err_info {
 	struct pci_dev *dev[AER_MAX_MULTI_ERR_DEVICES];
 	int error_dev_num;
-	u16 id;
-	int severity;			/* 0:NONFATAL | 1:FATAL | 2:COR */
-	int flags;
-	int first;
+
+	unsigned int id:16;
+
+	unsigned int severity:2;	/* 0:NONFATAL | 1:FATAL | 2:COR */
+	unsigned int __pad1:5;
+	unsigned int multi_error_valid:1;
+
+	unsigned int first_error:5;
+	unsigned int __pad2:2;
+	unsigned int tlp_header_valid:1;
+
 	unsigned int status;		/* COR/UNCOR Error Status */
 	unsigned int mask;		/* COR/UNCOR Error Mask */
 	struct header_log_regs tlp;	/* TLP Header */

drivers/pci/pcie/aer/aerdrv_core.c

@@ -196,7 +196,7 @@ static int find_device_iter(struct pci_dev *dev, void *data)
 		 * If there is no multiple error, we stop
 		 * or continue based on the id comparing.
 		 */
-		if (!(e_info->flags & AER_MULTI_ERROR_VALID_FLAG))
+		if (!e_info->multi_error_valid)
 			return result;
 
 		/*
@@ -254,7 +254,7 @@ static int find_device_iter(struct pci_dev *dev, void *data)
 	return 0;
 
 added:
-	if (e_info->flags & AER_MULTI_ERROR_VALID_FLAG)
+	if (e_info->multi_error_valid)
 		return 0;
 	else
 		return 1;
@@ -701,7 +701,7 @@ static int get_device_error_info(struct pci_dev *dev, struct aer_err_info *info)
 	int pos, temp;
 
 	info->status = 0;
-	info->flags &= ~AER_TLP_HEADER_VALID_FLAG;
+	info->tlp_header_valid = 0;
 
 	pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR);
 
@@ -729,10 +729,10 @@ static int get_device_error_info(struct pci_dev *dev, struct aer_err_info *info)
 
 		/* Get First Error Pointer */
 		pci_read_config_dword(dev, pos + PCI_ERR_CAP, &temp);
-		info->first = PCI_ERR_CAP_FEP(temp);
+		info->first_error = PCI_ERR_CAP_FEP(temp);
 
 		if (info->status & AER_LOG_TLP_MASKS) {
-			info->flags |= AER_TLP_HEADER_VALID_FLAG;
+			info->tlp_header_valid = 1;
 			pci_read_config_dword(dev,
 				pos + PCI_ERR_HEADER_LOG, &info->tlp.dw0);
 			pci_read_config_dword(dev,
@@ -811,7 +811,7 @@ static void aer_isr_one_error(struct pcie_device *p_device,
 		if (e_src->status &
 			(PCI_ERR_ROOT_MULTI_COR_RCV |
 			 PCI_ERR_ROOT_MULTI_UNCOR_RCV))
-			e_info->flags |= AER_MULTI_ERROR_VALID_FLAG;
+			e_info->multi_error_valid = 1;
 
 		find_source_device(p_device->port, e_info);
 		aer_process_err_devices(p_device, e_info);

drivers/pci/pcie/aer/aerdrv_errprint.c

@@ -170,10 +170,10 @@ static void aer_print_error_source(struct aer_err_info *info)
 
 		if (errmsg)
 			AER_PR(info, "%s\t: %s\n", errmsg,
-				info->first == i ? "First" : "");
+				info->first_error == i ? "First" : "");
 		else
 			AER_PR(info, "Unknown Error Bit %2d  \t: %s\n",
-				i, info->first == i ? "First" : "");
+				i, info->first_error == i ? "First" : "");
 	}
 }
 
@@ -207,7 +207,7 @@ void aer_print_error(struct pci_dev *dev, struct aer_err_info *info)
 			PCI_SLOT(dev->devfn),
 			PCI_FUNC(dev->devfn));
 
-		if (info->flags & AER_TLP_HEADER_VALID_FLAG) {
+		if (info->tlp_header_valid) {
 			unsigned char *tlp = (unsigned char *) &info->tlp;
 			AER_PR(info, "TLP Header:\n");
 			AER_PR(info, "%02x%02x%02x%02x %02x%02x%02x%02x"