diff options
Diffstat (limited to 'drivers/bus/mhi/core/boot.c')
| -rw-r--r-- | drivers/bus/mhi/core/boot.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/bus/mhi/core/boot.c b/drivers/bus/mhi/core/boot.c index 0b38014d040e..24422f5c3d80 100644 --- a/drivers/bus/mhi/core/boot.c +++ b/drivers/bus/mhi/core/boot.c @@ -392,13 +392,28 @@ void mhi_fw_load_handler(struct mhi_controller *mhi_cntrl) void *buf; dma_addr_t dma_addr; size_t size; - int ret; + int i, ret; if (MHI_PM_IN_ERROR_STATE(mhi_cntrl->pm_state)) { dev_err(dev, "Device MHI is not in valid state\n"); return; } + /* save hardware info from BHI */ + ret = mhi_read_reg(mhi_cntrl, mhi_cntrl->bhi, BHI_SERIALNU, + &mhi_cntrl->serial_number); + if (ret) + dev_err(dev, "Could not capture serial number via BHI\n"); + + for (i = 0; i < ARRAY_SIZE(mhi_cntrl->oem_pk_hash); i++) { + ret = mhi_read_reg(mhi_cntrl, mhi_cntrl->bhi, BHI_OEMPKHASH(i), + &mhi_cntrl->oem_pk_hash[i]); + if (ret) { + dev_err(dev, "Could not capture OEM PK HASH via BHI\n"); + break; + } + } + /* If device is in pass through, do reset to ready state transition */ if (mhi_cntrl->ee == MHI_EE_PTHRU) goto fw_load_ee_pthru; |