diff options
author | David S. Miller <davem@davemloft.net> | 2019-06-22 08:59:24 -0400 |
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committer | David S. Miller <davem@davemloft.net> | 2019-06-22 08:59:24 -0400 |
commit | 92ad6325cb891bb455487bfe90cc47d18aa6ec37 (patch) | |
tree | 433a7ef938fae69789216043f67eff9f9c6b0c68 /drivers/staging | |
parent | e0effb5fbd56a8b2b8917611cbf4fcd9aba92b8f (diff) | |
parent | c356dc4b540edd6c02b409dd8cf3208ba2804c38 (diff) | |
download | linux-92ad6325cb891bb455487bfe90cc47d18aa6ec37.tar.bz2 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Minor SPDX change conflict.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/staging')
-rw-r--r-- | drivers/staging/erofs/erofs_fs.h | 13 | ||||
-rw-r--r-- | drivers/staging/erofs/internal.h | 2 | ||||
-rw-r--r-- | drivers/staging/erofs/super.c | 19 | ||||
-rw-r--r-- | drivers/staging/iio/addac/adt7316.c | 3 | ||||
-rw-r--r-- | drivers/staging/iio/cdc/ad7150.c | 19 |
5 files changed, 44 insertions, 12 deletions
diff --git a/drivers/staging/erofs/erofs_fs.h b/drivers/staging/erofs/erofs_fs.h index fa52898df006..8ddb2b3e7d39 100644 --- a/drivers/staging/erofs/erofs_fs.h +++ b/drivers/staging/erofs/erofs_fs.h @@ -17,10 +17,16 @@ #define EROFS_SUPER_MAGIC_V1 0xE0F5E1E2 #define EROFS_SUPER_OFFSET 1024 +/* + * Any bits that aren't in EROFS_ALL_REQUIREMENTS should be + * incompatible with this kernel version. + */ +#define EROFS_ALL_REQUIREMENTS 0 + struct erofs_super_block { /* 0 */__le32 magic; /* in the little endian */ /* 4 */__le32 checksum; /* crc32c(super_block) */ -/* 8 */__le32 features; +/* 8 */__le32 features; /* (aka. feature_compat) */ /* 12 */__u8 blkszbits; /* support block_size == PAGE_SIZE only */ /* 13 */__u8 reserved; @@ -34,9 +40,10 @@ struct erofs_super_block { /* 44 */__le32 xattr_blkaddr; /* 48 */__u8 uuid[16]; /* 128-bit uuid for volume */ /* 64 */__u8 volume_name[16]; /* volume name */ +/* 80 */__le32 requirements; /* (aka. feature_incompat) */ -/* 80 */__u8 reserved2[48]; /* 128 bytes */ -} __packed; +/* 84 */__u8 reserved2[44]; +} __packed; /* 128 bytes */ /* * erofs inode data mapping: diff --git a/drivers/staging/erofs/internal.h b/drivers/staging/erofs/internal.h index c47778b3fabd..382258fc124d 100644 --- a/drivers/staging/erofs/internal.h +++ b/drivers/staging/erofs/internal.h @@ -115,6 +115,8 @@ struct erofs_sb_info { u8 uuid[16]; /* 128-bit uuid for volume */ u8 volume_name[16]; /* volume name */ + u32 requirements; + char *dev_name; unsigned int mount_opt; diff --git a/drivers/staging/erofs/super.c b/drivers/staging/erofs/super.c index f580d4ef77a1..cadbcc11702a 100644 --- a/drivers/staging/erofs/super.c +++ b/drivers/staging/erofs/super.c @@ -71,6 +71,22 @@ static void free_inode(struct inode *inode) kmem_cache_free(erofs_inode_cachep, vi); } +static bool check_layout_compatibility(struct super_block *sb, + struct erofs_super_block *layout) +{ + const unsigned int requirements = le32_to_cpu(layout->requirements); + + EROFS_SB(sb)->requirements = requirements; + + /* check if current kernel meets all mandatory requirements */ + if (requirements & (~EROFS_ALL_REQUIREMENTS)) { + errln("unidentified requirements %x, please upgrade kernel version", + requirements & ~EROFS_ALL_REQUIREMENTS); + return false; + } + return true; +} + static int superblock_read(struct super_block *sb) { struct erofs_sb_info *sbi; @@ -104,6 +120,9 @@ static int superblock_read(struct super_block *sb) goto out; } + if (!check_layout_compatibility(sb, layout)) + goto out; + sbi->blocks = le32_to_cpu(layout->blocks); sbi->meta_blkaddr = le32_to_cpu(layout->meta_blkaddr); #ifdef CONFIG_EROFS_FS_XATTR diff --git a/drivers/staging/iio/addac/adt7316.c b/drivers/staging/iio/addac/adt7316.c index b6a65ee8d558..dc8c25ddb97e 100644 --- a/drivers/staging/iio/addac/adt7316.c +++ b/drivers/staging/iio/addac/adt7316.c @@ -6,7 +6,8 @@ */ #include <linux/interrupt.h> -#include <linux/gpio.h> +#include <linux/gpio/consumer.h> +#include <linux/irq.h> #include <linux/workqueue.h> #include <linux/device.h> #include <linux/kernel.h> diff --git a/drivers/staging/iio/cdc/ad7150.c b/drivers/staging/iio/cdc/ad7150.c index dd7fcab8e19e..e075244c602b 100644 --- a/drivers/staging/iio/cdc/ad7150.c +++ b/drivers/staging/iio/cdc/ad7150.c @@ -5,6 +5,7 @@ * Copyright 2010-2011 Analog Devices Inc. */ +#include <linux/bitfield.h> #include <linux/interrupt.h> #include <linux/device.h> #include <linux/kernel.h> @@ -130,7 +131,7 @@ static int ad7150_read_event_config(struct iio_dev *indio_dev, { int ret; u8 threshtype; - bool adaptive; + bool thrfixed; struct ad7150_chip_info *chip = iio_priv(indio_dev); ret = i2c_smbus_read_byte_data(chip->client, AD7150_CFG); @@ -138,21 +139,23 @@ static int ad7150_read_event_config(struct iio_dev *indio_dev, return ret; threshtype = (ret >> 5) & 0x03; - adaptive = !!(ret & 0x80); + + /*check if threshold mode is fixed or adaptive*/ + thrfixed = FIELD_GET(AD7150_CFG_FIX, ret); switch (type) { case IIO_EV_TYPE_MAG_ADAPTIVE: if (dir == IIO_EV_DIR_RISING) - return adaptive && (threshtype == 0x1); - return adaptive && (threshtype == 0x0); + return !thrfixed && (threshtype == 0x1); + return !thrfixed && (threshtype == 0x0); case IIO_EV_TYPE_THRESH_ADAPTIVE: if (dir == IIO_EV_DIR_RISING) - return adaptive && (threshtype == 0x3); - return adaptive && (threshtype == 0x2); + return !thrfixed && (threshtype == 0x3); + return !thrfixed && (threshtype == 0x2); case IIO_EV_TYPE_THRESH: if (dir == IIO_EV_DIR_RISING) - return !adaptive && (threshtype == 0x1); - return !adaptive && (threshtype == 0x0); + return thrfixed && (threshtype == 0x1); + return thrfixed && (threshtype == 0x0); default: break; } |