PL_PF_INT_CAUSE_A
u32 v = t4_read_reg(adap, MYPF_REG(PL_PF_INT_CAUSE_A));
t4_write_reg(adap, MYPF_REG(PL_PF_INT_CAUSE_A), v);
pl_cause = csio_rd_reg32(hw, MYPF_REG(PL_PF_INT_CAUSE_A));
csio_wr_reg32(hw, PFCIM_F, MYPF_REG(PL_PF_INT_CAUSE_A));