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Commit c09f7c7f authored by Jeff Hugo's avatar Jeff Hugo
Browse files

soc: qcom: smd: Make the data parameter to smd_write_segment() const 



Some clients would like to pass const data buffers to smd_write_segment().
Change the function signature to permit this usecase.

Change-Id: I96a8012611d79ec9333576d5b5ba0f30657b184d
Signed-off-by: default avatarJeffrey Hugo <jhugo@codeaurora.org>
parent 408d933c

drivers/soc/qcom/smd.c

+2 −1
Original line number Diff line number Diff line
@@ -2121,7 +2121,8 @@ int smd_write_start(smd_channel_t *ch, int len) 
}

EXPORT_SYMBOL(smd_write_start);



int smd_write_segment(smd_channel_t *ch, void *data, int len, int user_buf)

int smd_write_segment(smd_channel_t *ch, const void *data, int len,

		      int user_buf)

{

	int bytes_written;

include/soc/qcom/smd.h

+3 −2
Original line number Diff line number Diff line
@@ -180,7 +180,8 @@ int smd_write_start(smd_channel_t *ch, int len); 
 *      -EINVAL - invalid length

 *      -ENOEXEC - transaction not started

 */

int smd_write_segment(smd_channel_t *ch, void *data, int len, int user_buf);

int smd_write_segment(smd_channel_t *ch, const void *data, int len,

		      int user_buf);



/* Completes a packet transaction.  Do not call from interrupt context.

 *
@@ -352,7 +353,7 @@ static inline int smd_write_start(smd_channel_t *ch, int len) 
}



static inline int

smd_write_segment(smd_channel_t *ch, void *data, int len, int user_buf)

smd_write_segment(smd_channel_t *ch, const void *data, int len, int user_buf)

{

	return -ENODEV;

}