Merge git://git.denx.de/u-boot-sunxi

SPDX: Convert all of our single license tags to Linux Kernel style

When U-Boot started using SPDX tags we were among the early adopters and
there weren't a lot of other examples to borro

SPDX: Convert all of our single license tags to Linux Kernel style

When U-Boot started using SPDX tags we were among the early adopters and
there weren't a lot of other examples to borrow from. So we picked the
area of the file that usually had a full license text and replaced it
with an appropriate SPDX-License-Identifier: entry. Since then, the
Linux Kernel has adopted SPDX tags and they place it as the very first
line in a file (except where shebangs are used, then it's second line)
and with slightly different comment styles than us.

In part due to community overlap, in part due to better tag visibility
and in part for other minor reasons, switch over to that style.

This commit changes all instances where we have a single declared
license in the tag as both the before and after are identical in tag
contents. There's also a few places where I found we did not have a tag
and have introduced one.

Signed-off-by: Tom Rini <trini@konsulko.com>

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Merge git://git.denx.de/u-boot-mmc

Merge git://git.denx.de/u-boot-imx

Merge git://git.denx.de/u-boot-video

Merge git://git.denx.de/u-boot-sh

Merge git://git.denx.de/u-boot-usb

dfu: Rename _FUNCTION_DFU to DFU_OVER_

Do the following to make the symbol names less confusing.

sed -i "s/\([TU][^_]\+\)_FUNCTION_DFU/DFU_OVER_\1/g" \
`git grep _FUNCTI

dfu: Rename _FUNCTION_DFU to DFU_OVER_

Do the following to make the symbol names less confusing.

sed -i "s/\([TU][^_]\+\)_FUNCTION_DFU/DFU_OVER_\1/g" \
`git grep _FUNCTION_DFU | cut -d ":" -f 1 | sort -u`

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Lukasz Majewski <lukma@denx.de>

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dfu: Fix up the Kconfig mess

Clean up the screaming mess of configuration options that DFU is.
It was impossible to configure DFU such that TFTP is enabled and
USB is not, this patch

dfu: Fix up the Kconfig mess

Clean up the screaming mess of configuration options that DFU is.
It was impossible to configure DFU such that TFTP is enabled and
USB is not, this patch fixes that and assures that DFU TFTP and
DFU USB can be enabled separatelly and that the correct pieces
of code are compiled in.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Lukasz Majewski <lukma@denx.de>

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Merge branch 'master' of git://git.denx.de/u-boot-nds32

Merge branch 'master' of git://git.denx.de/u-boot-usb

Signed-off-by: Tom Rini <trini@konsulko.com>

Conflicts:
include/configs/dra7xx_evm.h

common: dfu: saperate the dfu common functionality

The cmd_dfu functionality is been used by both SPL and
u-boot, saperating the core dfu functionality moving
it to common/dfu.c.

common: dfu: saperate the dfu common functionality

The cmd_dfu functionality is been used by both SPL and
u-boot, saperating the core dfu functionality moving
it to common/dfu.c.

Signed-off-by: Ravi Babu <ravibabu@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>

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Merge git://git.denx.de/u-boot-dm

Merge branch 'master' of git://git.denx.de/u-boot-socfpga

Merge branch 'master' of git://git.denx.de/u-boot-usb

dfu: usb: f_dfu: Set deferred call for dfu_flush() function

This patch fixes situation when one would like to write large file into
medium with the file system (fat, ext4, etc).
This

dfu: usb: f_dfu: Set deferred call for dfu_flush() function

This patch fixes situation when one would like to write large file into
medium with the file system (fat, ext4, etc).
This change sets file size limitation to the DFU internal buffer size.

Since u-boot is not supporting interrupts and seek on file systems, it
becomes challenging to store large file appropriately.

To reproduce this error - create large file (around 26 MiB) and sent it
to the target board.

Lets examine the flow of USB transactions:

0. DFU uses EP0 with 64B MPS [Max Packet Size]

1. Send file - OUT (PC->target) - dat_26MiB.img is sent with 4096 B transactions

2. Get status - OUT (PC->target) - wait for DFU_STATE_dfuDNLOAD_IDLE (0x05) sent
from target board - IN transaction
(target->PC)

3. The whole file content is sent to target - OUT (PC->target) with ZLP [Zero
Length Packet]

Now the interesting part starts:

4. OUT (PC->target) Setup transaction (request to share DFU state)

5. IN (target->PC) - reply the current DFU state
- In the UDC driver the req->completion (with dfu_flush) is called
after successful IN transfer.
- The dfu_flush() (called from req->completion callback) saves the
whole file at once (u-boot doesn't support seek on fs).
Such operation takes considerable time. When the file
is large - e.g. 26MiB - this time may be more than 5 seconds.

6. OUT (PC->target) - ZLP, is send in the same time when dfu_flush()
writes data to eMMC memory.
The dfu-util application has hard coded timeout on USB transaction
completion set to 5 seconds (it uses libusb calls).

When the file to store is large (e.g. 26 MiB) the time needed to write it
may excess the dfu-util timeout and following error message will be displayed:
"unable to read DFU status" on the HOST PC console.

This change is supposed to leverage DFU's part responsible for storing files
on file systems. Other DFU operations - i.e. raw/partition write to NAND and
eMMC should work as before.

The only functional change is the error reporting. When dfu_flush() fails
the u-boot prompt will exit with error information and dfu-util application
exits afterwards as well.

Test HW:
- Odroid XU3 (Exynos5433) - test with large file
- Trats (Exynos4210) - test for regression - eMMC, raw,

Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Reported-by: Alex Gdalevich <agdalevich@axion-biosystems.com>
Tested-by: Stephen Warren <swarren@nvidia.com>
Tested-by: Heiko Schocher <hs@denx.de>

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Merge branch 'master' of git://git.denx.de/u-boot-net

Merge branch 'master' of git://git.denx.de/u-boot-fsl-qoriq

Merge branch 'master' of git://git.denx.de/u-boot-video

Merge branch 'master' of git://git.denx.de/u-boot-usb

Merge branch 'master' of git://git.denx.de/u-boot-mpc85xx

Merge branch 'master' of git://git.denx.de/u-boot-imx

Remove the cmd_ prefix from command files

Now that they are in their own directory, we can remove this prefix.
This makes it easier to find a file since the prefix does not get in the

Remove the cmd_ prefix from command files

Now that they are in their own directory, we can remove this prefix.
This makes it easier to find a file since the prefix does not get in the
way.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
Acked-by: Stefan Roese <sr@denx.de>
Acked-by: Przemyslaw Marczak <p.marczak@samsung.com>

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