static int hpc_check_cmd_status(struct controller *ctrl)
{
u16 cmd_status;
int retval = 0;
DBG_ENTER_ROUTINE
cmd_status = shpc_readw(ctrl, CMD_STATUS) & 0x000F;
switch (cmd_status >> 1) {
case 0:
retval = 0;
break;
case 1:
retval = SWITCH_OPEN;
err("%s: Switch opened!\n", __FUNCTION__);
break;
case 2:
retval = INVALID_CMD;
err("%s: Invalid HPC command!\n", __FUNCTION__);
break;
case 4:
retval = INVALID_SPEED_MODE;
err("%s: Invalid bus speed/mode!\n", __FUNCTION__);
break;
default:
retval = cmd_status;
}
DBG_LEAVE_ROUTINE
return retval;
}
static int hpc_check_cmd_status(struct controller *ctrl)
{
int retval = 0;
u16 cmd_status = shpc_readw(ctrl, CMD_STATUS) & 0x000F;
switch (cmd_status >> 1) {
case 0:
retval = 0;
break;
case 1:
retval = SWITCH_OPEN;
ctrl_err(ctrl, "Switch opened!\n");
break;
case 2:
retval = INVALID_CMD;
ctrl_err(ctrl, "Invalid HPC command!\n");
break;
case 4:
retval = INVALID_SPEED_MODE;
ctrl_err(ctrl, "Invalid bus speed/mode!\n");
break;
default:
retval = cmd_status;
}
return retval;
}
static int hpc_get_mode1_ECC_cap(struct slot *slot, u8 *mode)
{
int retval = 0;
struct controller *ctrl = slot->ctrl;
u16 sec_bus_status = shpc_readw(ctrl, SEC_BUS_CONFIG);
u8 pi = shpc_readb(ctrl, PROG_INTERFACE);
if (pi == 2) {
*mode = (sec_bus_status & 0x0100) >> 8;
} else {
static inline int is_ctrl_busy(struct controller *ctrl)
{
u16 cmd_status = shpc_readw(ctrl, CMD_STATUS);
return cmd_status & 0x1;
}
