This is a note to let you know that I've just added the patch titled
HID: cp2112: fix byte order in SMBUS operations
to the 4.1-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
hid-cp2112-fix-byte-order-in-smbus-operations.patch
and it can be found in the queue-4.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 29e2d6d1f6f61ba2b5cc9d9867e01d8c31a6c4f7 Mon Sep 17 00:00:00 2001
From: Ellen Wang <ellen@xxxxxxxxxxxxxxxxxxx>
Date: Thu, 9 Jul 2015 22:04:31 -0700
Subject: HID: cp2112: fix byte order in SMBUS operations
From: Ellen Wang <ellen@xxxxxxxxxxxxxxxxxxx>
commit 29e2d6d1f6f61ba2b5cc9d9867e01d8c31a6c4f7 upstream.
Change all occurrences of be16 to le16 in cp2112_xfer(),
because SMBUS words are little endian, not big endian.
Signed-off-by: Ellen Wang <ellen@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Jiri Kosina <jkosina@xxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/hid/hid-cp2112.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
--- a/drivers/hid/hid-cp2112.c
+++ b/drivers/hid/hid-cp2112.c
@@ -537,7 +537,7 @@ static int cp2112_xfer(struct i2c_adapte
struct cp2112_device *dev = (struct cp2112_device *)adap->algo_data;
struct hid_device *hdev = dev->hdev;
u8 buf[64];
- __be16 word;
+ __le16 word;
ssize_t count;
size_t read_length = 0;
unsigned int retries;
@@ -569,7 +569,7 @@ static int cp2112_xfer(struct i2c_adapte
break;
case I2C_SMBUS_WORD_DATA:
read_length = 2;
- word = cpu_to_be16(data->word);
+ word = cpu_to_le16(data->word);
if (I2C_SMBUS_READ == read_write)
count = cp2112_write_read_req(buf, addr, read_length,
@@ -582,7 +582,7 @@ static int cp2112_xfer(struct i2c_adapte
size = I2C_SMBUS_WORD_DATA;
read_write = I2C_SMBUS_READ;
read_length = 2;
- word = cpu_to_be16(data->word);
+ word = cpu_to_le16(data->word);
count = cp2112_write_read_req(buf, addr, read_length, command,
(u8 *)&word, 2);
@@ -675,7 +675,7 @@ static int cp2112_xfer(struct i2c_adapte
data->byte = buf[0];
break;
case I2C_SMBUS_WORD_DATA:
- data->word = be16_to_cpup((__be16 *)buf);
+ data->word = le16_to_cpup((__le16 *)buf);
break;
case I2C_SMBUS_BLOCK_DATA:
if (read_length > I2C_SMBUS_BLOCK_MAX) {
Patches currently in stable-queue which might be from ellen@xxxxxxxxxxxxxxxxxxx are
queue-4.1/hid-cp2112-fix-byte-order-in-smbus-operations.patch
queue-4.1/hid-cp2112-fix-i2c_smbus_byte-write.patch
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