From: Carl Yin
I test SDX24 and SDX55 modems on Dell-OptiPlex-7060 has 16GB memory.
So I set dma_data_width in mhi/pci_generic.c to 37,
then get next error:
[ 538.338317] mhi :03:00.0: Requested to power ON
[ 538.338441] mhi :03:00.0: Power on setup success
[ 538.338519] mhi :03
From: "carl.yin"
MHI wwan modems support download firmware to nand or emmc
by firehose protocol, process as next:
1. modem boot up and enter EE AMSS, create DIAG channels (4, 5) device
2. user space tool send EDL command via DIAG channel,
then modem enter EE EDL
3. boot.c download 'flash progr
From: "carl.yin"
Functions parse_ev_cfg() and parse_ch_cfg() access mhi_cntrl->mhi_dev
before it is set in function mhi_register_controller(),
use cntrl_dev instead of mhi_dev.
Fixes: 0cbf260820fa ("bus: mhi: core: Add support for registering MHI
controllers")
Signed-off-by: carl.yin
Reviewed-
From: "carl.yin"
MHI wwan modems support download firmware to nand or emmc
by firehose protocol, process as next:
1. wwan modem normal bootup and enter EE AMSS, create mhi DIAG chan device
2. send EDL cmd via DIAG chan, then modem enter EE EDL
3. boot.c download 'firehose/prog_firehose_sdx55.mbn'
November 2020
+KernelVersion: 5.10
+Contact: Carl Yin
+Description: The file holds the uplink chan id of the mhi chan device.
+ User space software like ModemManager can identify the function
of
+ the mhi chan device. If the mhi device is not a chan device,
+
From: carl
function parse_ev_cfg and parse_ch_cfg access mhi_cntrl->mhi_dev
before it is set in function mhi_register_controller,
use cntrl_dev to instead mhi_dev.
Signed-off-by: carl
---
drivers/bus/mhi/core/init.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/driver
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