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mei: constify buffer in the write functions calls

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The write buffer should not by modified so make it constant. Also
hitchhike some style fixes on the way in the interface and rename
mei_me_write_message to mei_me_hbuf_write for consistency.

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tomas Winkler 2016-11-11 03:00:08 +02:00 committed by Greg Kroah-Hartman
parent 17ba8a08b5
commit 4b9960d052
3 changed files with 9 additions and 9 deletions
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10
drivers/misc/mei/hw-me.c
View File

@ -450,7 +450,7 @@ static size_t mei_me_hbuf_max_len(const struct mei_device *dev)
/**
* mei_me_write_message - writes a message to mei device.
* mei_me_hbuf_write - writes a message to host hw buffer.
*
* @dev: the device structure
* @header: mei HECI header of message
@ -458,9 +458,9 @@ static size_t mei_me_hbuf_max_len(const struct mei_device *dev)
*
* Return: -EIO if write has failed
*/
static int mei_me_write_message(struct mei_device *dev,
struct mei_msg_hdr *header,
unsigned char *buf)
static int mei_me_hbuf_write(struct mei_device *dev,
struct mei_msg_hdr *header,
const unsigned char *buf)
{
unsigned long rem;
unsigned long length = header->length;
@ -1243,7 +1243,7 @@ static const struct mei_hw_ops mei_me_hw_ops = {
.hbuf_is_ready = mei_me_hbuf_is_empty,
.hbuf_max_len = mei_me_hbuf_max_len,
.write = mei_me_write_message,
.write = mei_me_hbuf_write,
.rdbuf_full_slots = mei_me_count_full_read_slots,
.read_hdr = mei_me_mecbrw_read,

3
drivers/misc/mei/hw-txe.c
View File

@ -691,7 +691,8 @@ static void mei_txe_hw_config(struct mei_device *dev)
*/
static int mei_txe_write(struct mei_device *dev,
struct mei_msg_hdr *header, unsigned char *buf)
struct mei_msg_hdr *header,
const unsigned char *buf)
{
struct mei_txe_hw *hw = to_txe_hw(dev);
unsigned long rem;

5
drivers/misc/mei/mei_dev.h
View File

@ -300,10 +300,9 @@ struct mei_hw_ops {
int (*hbuf_free_slots)(struct mei_device *dev);
bool (*hbuf_is_ready)(struct mei_device *dev);
size_t (*hbuf_max_len)(const struct mei_device *dev);
int (*write)(struct mei_device *dev,
struct mei_msg_hdr *hdr,
unsigned char *buf);
const unsigned char *buf);
int (*rdbuf_full_slots)(struct mei_device *dev);
@ -665,7 +664,7 @@ static inline size_t mei_hbuf_max_len(const struct mei_device *dev)
}
static inline int mei_write_message(struct mei_device *dev,
struct mei_msg_hdr *hdr, void *buf)
struct mei_msg_hdr *hdr, const void *buf)
{
return dev->ops->write(dev, hdr, buf);
}