staging: fsl-mc: use generic memory barriers
No need to use arch-specific memory barriers; switch to using generic ones. The rmb()s were useless so drop them. Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
parent
87840fb5a9
commit
745b53649f
|
@ -127,7 +127,8 @@ static inline void mc_write_command(struct mc_command __iomem *portal,
|
|||
/* copy command parameters into the portal */
|
||||
for (i = 0; i < MC_CMD_NUM_OF_PARAMS; i++)
|
||||
__raw_writeq(cmd->params[i], &portal->params[i]);
|
||||
__iowmb();
|
||||
/* ensure command params are committed before submitting it */
|
||||
wmb();
|
||||
|
||||
/* submit the command by writing the header */
|
||||
__raw_writeq(cmd->header, &portal->header);
|
||||
|
@ -150,9 +151,7 @@ static inline enum mc_cmd_status mc_read_response(struct mc_command __iomem *
|
|||
enum mc_cmd_status status;
|
||||
|
||||
/* Copy command response header from MC portal: */
|
||||
__iormb();
|
||||
resp->header = __raw_readq(&portal->header);
|
||||
__iormb();
|
||||
status = mc_cmd_hdr_read_status(resp);
|
||||
if (status != MC_CMD_STATUS_OK)
|
||||
return status;
|
||||
|
@ -160,7 +159,6 @@ static inline enum mc_cmd_status mc_read_response(struct mc_command __iomem *
|
|||
/* Copy command response data from MC portal: */
|
||||
for (i = 0; i < MC_CMD_NUM_OF_PARAMS; i++)
|
||||
resp->params[i] = __raw_readq(&portal->params[i]);
|
||||
__iormb();
|
||||
|
||||
return status;
|
||||
}
|
||||
|
|
Loading…
Reference in New Issue