Merge branches 'tracing/ftrace' and 'linus' into tracing/core

include/linux/Kbuild

@@ -90,7 +90,6 @@ header-y += if_ppp.h
 header-y += if_slip.h
 header-y += if_strip.h
 header-y += if_tun.h
-header-y += if_tunnel.h
 header-y += in_route.h
 header-y += ioctl.h
 header-y += ip6_tunnel.h
@@ -236,6 +235,7 @@ unifdef-y += if_phonet.h
 unifdef-y += if_pppol2tp.h
 unifdef-y += if_pppox.h
 unifdef-y += if_tr.h
+unifdef-y += if_tunnel.h
 unifdef-y += if_vlan.h
 unifdef-y += igmp.h
 unifdef-y += inet_diag.h

include/linux/ata.h

@@ -731,12 +731,17 @@ static inline int ata_id_current_chs_valid(const u16 *id)
 
 static inline int ata_id_is_cfa(const u16 *id)
 {
-	if (id[ATA_ID_CONFIG] == 0x848A)	/* Standard CF */
+	if (id[ATA_ID_CONFIG] == 0x848A)	/* Traditional CF */
 		return 1;
-	/* Could be CF hiding as standard ATA */
-	if (ata_id_major_version(id) >= 3 &&
-	    id[ATA_ID_COMMAND_SET_1] != 0xFFFF &&
-	   (id[ATA_ID_COMMAND_SET_1] & (1 << 2)))
+	/*
+	 * CF specs don't require specific value in the word 0 anymore and yet
+	 * they forbid to report the ATA version in the word 80 and require the
+	 * CFA feature set support to be indicated in the word 83 in this case.
+	 * Unfortunately, some cards only follow either of this requirements,
+	 * and while those that don't indicate CFA feature support need some
+	 * sort of quirk list, it seems impractical for the ones that do...
+	 */
+	if ((id[ATA_ID_COMMAND_SET_2] & 0xC004) == 0x4004)
 		return 1;
 	return 0;
 }

include/linux/if_tunnel.h

@@ -2,7 +2,10 @@
 #define _IF_TUNNEL_H_
 
 #include <linux/types.h>
+
+#ifdef __KERNEL__
 #include <linux/ip.h>
+#endif
 
 #define SIOCGETTUNNEL   (SIOCDEVPRIVATE + 0)
 #define SIOCADDTUNNEL   (SIOCDEVPRIVATE + 1)

include/linux/libata.h

@@ -380,6 +380,7 @@ enum {
 	ATA_HORKAGE_ATAPI_MOD16_DMA = (1 << 11), /* use ATAPI DMA for commands
 						    not multiple of 16 bytes */
 	ATA_HORKAGE_FIRMWARE_WARN = (1 << 12),	/* firwmare update warning */
+	ATA_HORKAGE_1_5_GBPS	= (1 << 13),	/* force 1.5 Gbps */
 
 	 /* DMA mask for user DMA control: User visible values; DO NOT
 	    renumber */
@@ -580,7 +581,7 @@ struct ata_device {
 	acpi_handle		acpi_handle;
 	union acpi_object	*gtf_cache;
 #endif
-	/* n_sector is used as CLEAR_OFFSET, read comment above CLEAR_OFFSET */
+	/* n_sector is CLEAR_BEGIN, read comment above CLEAR_BEGIN */
 	u64			n_sectors;	/* size of device, if ATA */
 	unsigned int		class;		/* ATA_DEV_xxx */
 	unsigned long		unpark_deadline;
@@ -605,20 +606,22 @@ struct ata_device {
 	u16			heads;		/* Number of heads */
 	u16			sectors;	/* Number of sectors per track */
 
-	/* error history */
-	int			spdn_cnt;
-	struct ata_ering	ering;
-
 	union {
 		u16		id[ATA_ID_WORDS]; /* IDENTIFY xxx DEVICE data */
 		u32		gscr[SATA_PMP_GSCR_DWORDS]; /* PMP GSCR block */
 	};
+
+	/* error history */
+	int			spdn_cnt;
+	/* ering is CLEAR_END, read comment above CLEAR_END */
+	struct ata_ering	ering;
 };
 
-/* Offset into struct ata_device.  Fields above it are maintained
- * acress device init.  Fields below are zeroed.
+/* Fields between ATA_DEVICE_CLEAR_BEGIN and ATA_DEVICE_CLEAR_END are
+ * cleared to zero on ata_dev_init().
  */
-#define ATA_DEVICE_CLEAR_OFFSET		offsetof(struct ata_device, n_sectors)
+#define ATA_DEVICE_CLEAR_BEGIN		offsetof(struct ata_device, n_sectors)
+#define ATA_DEVICE_CLEAR_END		offsetof(struct ata_device, ering)
 
 struct ata_eh_info {
 	struct ata_device	*dev;		/* offending device */