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Fixes of unreleased buffer, deadcode and wrong variable type detected
by coverity scan.
Addresses-Coverity-ID: 510809: Resource leaks (RESOURCE_LEAK)
Addresses-Coverity-ID: 510806: Control flow issues (DEADCODE)
Addresses-Coverity-ID: 510794 Control flow issues (NO_EFFECT)
Signed-off-by: Raymond Mao <[email protected]>
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lmb_add_region() returns a positive integer if the added regions causes
existing regions to be coalesced. We still want to notify the EFI
subsystem about these added regions though, so adjust lmb_add() to only
bail on errors.
This fixes EFI memory allocation on boards with adjacent memory banks as is the
case on several Qualcomm boards like the RB3 Gen 2.
Fixes: 2f6191526a13 (lmb: notify of any changes to the LMB memory map)
Signed-off-by: Caleb Connolly <[email protected]>
Reviewed-by: Sughosh Ganu <[email protected]>
Tested-by: Neil Armstrong <[email protected]>
Reviewed-by: Ilias Apalodimas <[email protected]>
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The EFI block device driver is the only user of blk_create_device() outside
the block device uclass. Use blk_create_devicef() instead like other block
device drivers.
Signed-off-by: Heinrich Schuchardt <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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We should not write "ERROR:" or "WARNING:" when using log_err() or
log_warning(). These prefixed don't provide additional information.
Reviewed-by: Ilias Apalodimas <[email protected]>
Signed-off-by: Heinrich Schuchardt <[email protected]>
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Messages written with log_err() should terminate with a linefeed.
Reviewed-by: Ilias Apalodimas <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
Signed-off-by: Heinrich Schuchardt <[email protected]>
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EFI variables can be stored in a file on the EFI system partition. If that
partition is missing we are writing two error messages per variable. This
is too noisy.
Just warn once about the missing ESP.
Signed-off-by: Heinrich Schuchardt <[email protected]>
Reviewed-by: Ilias Apalodimas <[email protected]>
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We prefer `if` over `#ifdef` in our code.
Eliminate #ifdef statements in efi_setup.c.
Reviewed-by: Ilias Apalodimas <[email protected]>
Signed-off-by: Heinrich Schuchardt <[email protected]>
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It might happen that CONFIG_GZIP and CONFIG_LZO are enabled but we might
have CONFIG_MULTI_DTB_FIT_LZO enabled in this case in the code path of
uncompress_blob() we parse the gzip headers first which results in
`Error: Bad gzipped data` being printed. To avoid this parse the gzip/lzo
headers only when dependencies have met.
Signed-off-by: Lad Prabhakar <[email protected]>
Reviewed-by: Tom Rini <[email protected]>
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The TFTP protocol uses a default block size of 512 bytes. This value is
sub-optimal for ethernet devices, which have a MTU (Maximum Transmission
Unit) of 1500 bytes. When taking into acount the overhead of the IP and
UDP layers, this leaves 1468 bytes for the TFTP payload.
This patch introduces a new function: tftp_client_set_blksize() which
may be used to change the block size from the default. It has to be
called after tftp_client_init() and before tftp_get(). If the server
does not support the option, the client will still accept to receive
512-byte blocks.
Submitted upstream: https://savannah.nongnu.org/patch/index.php?10462
Signed-off-by: Jerome Forissier <[email protected]>
Acked-by: Ilias Apalodimas <[email protected]>
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Implement do_tftpb(). This implementation of the tftp command
supports an optional port number. For example:
tftp 192.168.0.30:9069:file.bin
It also supports taking the server IP from ${tftpserverip} if
defined, before falling back to ${serverip}.
Signed-off-by: Jerome Forissier <[email protected]>
Acked-by: Ilias Apalodimas <[email protected]>
Tested-by: Ilias Apalodimas <[email protected]>
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The TFTP app should not bind to the TFTP server port when configured as
a client. Instead, the local port should be chosen from the dynamic
range (49152 ~ 65535) so that if the application is stopped and started
again, the remote server will not consider the new packets as part of
the same context (which would cause an error since a new RRQ would be
unexpected).
Submitted upstream: https://savannah.nongnu.org/patch/?10480
Signed-off-by: Jerome Forissier <[email protected]>
Reviewed-by: Ilias Apalodimas <[email protected]>
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Add what it takes to enable NETDEVICES with NET_LWIP and enable DHCP as
well as the dhcp command. CMD_TFTPBOOT is selected by BOOTMETH_EFI due
to this code having an implicit dependency on do_tftpb().
Note that PXE is likely non-fonctional with NET_LWIP (or at least not
100% functional) because DHCP option 209 is not supported by the lwIP
library. Therefore, BOOTP_PXE_DHCP_OPTION cannot be enabled.
Signed-off-by: Jerome Forissier <[email protected]>
Tested-by: Ilias Apalodimas <[email protected]>
Acked-by: Ilias Apalodimas <[email protected]>
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Build the lwIP library when NET_LWIP is enabled. The following files
are adaptation layers written specially for U-Boot:
lib/lwip/u-boot/arch/cc.h
lib/lwip/u-boot/arch/sys_arch.h (empty)
lib/lwip/u-boot/limits.h (empty)
lib/lwip/u-boot/lwipopts.h
They were initially contributed by Maxim in a previous RFC patch series.
The lwIP stack needs to be added as a Git subtree with the following
command:
$ git subtree add --squash --prefix lib/lwip/lwip \
https://github.com/lwip-tcpip/lwip.git STABLE-2_2_0_RELEASE
Signed-off-by: Jerome Forissier <[email protected]>
Co-developed-by: Maxim Uvarov <[email protected]>
Cc: Maxim Uvarov <[email protected]>
Acked-by: Ilias Apalodimas <[email protected]>
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A bunch of static functions in the LMB module have used a
double-undersore for the function names. It was suggested to use a
single-underscore instead, as the double-underscore is usually used
by library functions. Replace the double-underscore with
single-underscore for all functions.
Signed-off-by: Sughosh Ganu <[email protected]>
Suggested-by: Simon Glass <[email protected]>
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The variable overlap_only_ram is used to specify that the new memory
region that is being created needs to come from the free memory pool
-- this is done by carving out the memory region from the free
memory. The name is a bit confusing though, as other allocated memory
regions, like boot-services code and data are also part of the RAM
memory. Rename the variable to overlap_conventional to highlight the
fact that it is the free/conventional memory that is being referred to
in this context.
Signed-off-by: Sughosh Ganu <[email protected]>
Reviewed-by: Ilias Apalodimas <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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The EFI memory allocations are now being done through the LMB
module. With this change, there is no need to get the EFI memory map
and set aside EFI allocated memory.
Signed-off-by: Sughosh Ganu <[email protected]>
Reviewed-by: Ilias Apalodimas <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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The EFI_CONVENTIONAL_MEMORY type, which is the usable RAM memory is
now being managed by the LMB module. Remove the addition of this
memory type to the EFI memory map. This memory now gets added to the
EFI memory map as part of the LMB memory map update event handler.
Signed-off-by: Sughosh Ganu <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
Reviewed-by: Ilias Apalodimas <[email protected]>
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The EFI_CONVENTIONAL_MEMORY type is now being managed through the LMB
module. Add a separate function, lmb_arch_add_memory() to add the RAM
memory to the LMB memory map. The efi_add_known_memory() function is
now used for adding any other memory type to the EFI memory map.
Signed-off-by: Sughosh Ganu <[email protected]>
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The EFI memory allocations are now being done through the LMB module,
and hence the memory map is maintained by the LMB module. Use the
lmb_arch_add_memory() API function to add the usable RAM memory to the
LMB's memory map.
Signed-off-by: Sughosh Ganu <[email protected]>
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Some architectures have special or unique aspects which need
consideration when adding memory ranges to the list of available
memory map. Enable this config in such scenarios which allow
architectures and boards to define their own memory map.
Signed-off-by: Sughosh Ganu <[email protected]>
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The memory region occupied by U-Boot is reserved by LMB, and gets
added to the EFI memory map through a call from the LMB module. Remove
this superfluous addition to the EFI memory map.
Signed-off-by: Sughosh Ganu <[email protected]>
Reviewed-by: Ilias Apalodimas <[email protected]>
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In U-Boot, LMB and EFI are two primary modules who provide memory
allocation and reservation API's. Both these modules operate with the
same regions of memory for allocations. Use the LMB memory map update
event to notify other interested listeners about a change in it's
memory map. This can then be used by the other module to keep track of
available and used memory.
There is no need to send these notifications when the LMB module is
being unit-tested. Add a flag to the lmb structure to indicate if the
memory map is being used for tests, and suppress sending any
notifications when running these unit tests.
Signed-off-by: Sughosh Ganu <[email protected]>
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Use the LMB API's for allocating and freeing up memory. With this, the
LMB module becomes the common backend for managing non U-Boot image
memory that might be requested by other modules.
Signed-off-by: Sughosh Ganu <[email protected]>
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U-Boot does not use memory above ram_top. However, this memory does
need to get registered as part of the memory map, so that subsystems
like EFI pass it on to the operating system as part of the EFI memory
map. Add memory above ram_top and reserve it with the LMB_NOOVERWRITE
flag so that it does not get allocated or re-used.
Signed-off-by: Sughosh Ganu <[email protected]>
Suggested-by: Mark Kettenis <[email protected]>
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Add a flag LMB_NONOTIFY that can be passed to the LMB API's for
reserving memory. This will then result in no notification being sent
from the LMB module for the changes to the LMB's memory map.
While here, also add a description of the memory attributes that the
flags signify.
Signed-off-by: Sughosh Ganu <[email protected]>
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The LMB module is to be used as a backend for allocating and freeing
up memory requested from other modules like EFI. These memory requests
are different from the typical LMB reservations in that memory
required by the EFI module cannot be overwritten, or re-requested. Add
versions of the LMB API functions with flags for allocating and
freeing up memory. The caller can then use these API's for specifying
the type of memory that is required. For now, these functions will be
used by the EFI memory module.
Signed-off-by: Sughosh Ganu <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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Raymond Mao <[email protected]> says:
Integrate MbedTLS v3.6 LTS (currently v3.6.0) with U-Boot.
Motivations:
------------
1. MbedTLS is well maintained with LTS versions.
2. LWIP is integrated with MbedTLS and easily to enable HTTPS.
3. MbedTLS recently switched license back to GPLv2.
Prerequisite:
-------------
This patch series requires mbedtls git repo to be added as a
subtree to the main U-Boot repo via:
$ git subtree add --prefix lib/mbedtls/external/mbedtls \
https://github.com/Mbed-TLS/mbedtls.git \
v3.6.0 --squash
Moreover, due to the Windows-style files from mbedtls git repo,
we need to convert the CRLF endings to LF and do a commit manually:
$ git add --renormalize .
$ git commit
New Kconfig options:
--------------------
`MBEDTLS_LIB` is for MbedTLS general switch.
`MBEDTLS_LIB_CRYPTO` is for replacing original digest and crypto libs with
MbedTLS.
`MBEDTLS_LIB_CRYPTO_ALT` is for using original U-Boot crypto libs as
MbedTLS crypto alternatives.
`MBEDTLS_LIB_X509` is for replacing original X509, PKCS7, MSCode, ASN1,
and Pubkey parser with MbedTLS.
By default `MBEDTLS_LIB_CRYPTO_ALT` and `MBEDTLS_LIB_X509` are selected
when `MBEDTLS_LIB` is enabled.
`LEGACY_CRYPTO` is introduced as a main switch for legacy crypto library.
`LEGACY_CRYPTO_BASIC` is for the basic crypto functionalities and
`LEGACY_CRYPTO_CERT` is for the certificate related functionalities.
For each of the algorithm, a pair of `<alg>_LEGACY` and `<alg>_MBEDTLS`
Kconfig options are introduced. Meanwhile, `SPL_` Kconfig options are
introduced.
In this patch set, MBEDTLS_LIB, MBEDTLS_LIB_CRYPTO and MBEDTLS_LIB_X509
are by default enabled in qemu_arm64_defconfig and sandbox_defconfig
for testing purpose.
Patches for external MbedTLS project:
-------------------------------------
Since U-Boot uses Microsoft Authentication Code to verify PE/COFFs
executables which is not supported by MbedTLS at the moment,
addtional patches for MbedTLS are created to adapt with the EFI loader:
1. Decoding of Microsoft Authentication Code.
2. Decoding of PKCS#9 Authenticate Attributes.
3. Extending MbedTLS PKCS#7 lib to support multiple signer's certificates.
4. MbedTLS native test suites for PKCS#7 signer's info.
All above 4 patches (tagged with `mbedtls/external`) are submitted to
MbedTLS project and being reviewed, eventually they should be part of
MbedTLS LTS release.
But before that, please merge them into U-Boot, otherwise the building
will be broken when MBEDTLS_LIB_X509 is enabled.
See below PR link for the reference:
https://github.com/Mbed-TLS/mbedtls/pull/9001
Miscellaneous:
--------------
Optimized MbedTLS library size by tailoring the config file
and disabling all unnecessary features for EFI loader.
From v2, original libs (rsa, asn1_decoder, rsa_helper, md5, sha1, sha256,
sha512) are completely replaced when MbedTLS is enabled.
From v3, the size-growth is slightly reduced by refactoring Hash functions.
From v6, smaller implementations for SHA256 and SHA512 are enabled and
target size reduce significantly.
Target(QEMU arm64) size-growth when enabling MbedTLS:
v1: 6.03%
v2: 4.66%
v3 - v5: 4.55%
v6: 2.90%
Tests done:
-----------
EFI Secure Boot test (EFI variables loading and verifying, EFI signed image
verifying and booting) via U-Boot console.
EFI Secure Boot and Capsule sandbox test passed.
Known issues:
-------------
None.
Link: https://lore.kernel.org/u-boot/[email protected]/
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When building with MbedTLS, we are using MbedTLS to decode ASN1 data
for x509, pkcs7 and mscode.
Introduce _LEGACY and _MBEDTLS kconfigs for ASN1 decoder legacy and
MbedTLS implementations respectively.
Signed-off-by: Raymond Mao <[email protected]>
Reviewed-by: Ilias Apalodimas <[email protected]>
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Previous patch has introduced MbedTLS porting layer for RSA helper,
here to adjust the makefile accordingly.
Signed-off-by: Raymond Mao <[email protected]>
Reviewed-by: Ilias Apalodimas <[email protected]>
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Add RSA helper layer on top on MbedTLS PK and RSA library.
Introduce _LEGACY and _MBEDTLS kconfigs for RSA helper legacy and
MbedTLS implementations respectively.
Signed-off-by: Raymond Mao <[email protected]>
Acked-by: Ilias Apalodimas <[email protected]>
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Previous patch has introduced MbedTLS porting layer for mscode parser,
here to adjust the header and makefiles accordingly.
Adding _LEGACY Kconfig for legacy mscode implementation.
Signed-off-by: Raymond Mao <[email protected]>
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Add porting layer for MSCode on top of MbedTLS ASN1 library.
Introduce _MBEDTLS kconfigs for MSCode MbedTLS implementation.
Signed-off-by: Raymond Mao <[email protected]>
Acked-by: Ilias Apalodimas <[email protected]>
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Previous patch has introduced MbedTLS porting layer for PKCS7 parser,
here to adjust the header and makefiles accordingly.
Signed-off-by: Raymond Mao <[email protected]>
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Add porting layer for PKCS7 parser on top of MbedTLS PKCS7 library.
Introduce _LEGACY and _MBEDTLS kconfigs for PKCS7 parser legacy and
MbedTLS implementations respectively.
Signed-off-by: Raymond Mao <[email protected]>
Reviewed-by: Ilias Apalodimas <[email protected]>
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Previous patch has introduced MbedTLS porting layer for x509 cert parser,
here to adjust the header and makefiles accordingly.
Signed-off-by: Raymond Mao <[email protected]>
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Add porting layer for X509 cert parser on top of MbedTLS X509
library.
Introduce _LEGACY and _MBEDTLS kconfigs for X509 cert parser legacy
and MbedTLS implementations respectively.
Signed-off-by: Raymond Mao <[email protected]>
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Previous patch has introduced MbedTLS porting layer for public key,
here to adjust the header and makefiles accordingly.
Signed-off-by: Raymond Mao <[email protected]>
Reviewed-by: Ilias Apalodimas <[email protected]>
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Add porting layer for public key on top of MbedTLS X509 library.
Introduce _LEGACY and _MBEDTLS kconfigs for public key legacy and
MbedTLS implementations respectively.
Signed-off-by: Raymond Mao <[email protected]>
Reviewed-by: Ilias Apalodimas <[email protected]>
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Move pkcs7_get_content_data as a helper function that can be
shared by legacy crypto lib and MbedTLS implementation.
Signed-off-by: Raymond Mao <[email protected]>
Reviewed-by: Ilias Apalodimas <[email protected]>
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Move x509_check_for_self_signed as a common helper function
that can be shared by legacy crypto lib and MbedTLS implementation.
Signed-off-by: Raymond Mao <[email protected]>
Reviewed-by: Ilias Apalodimas <[email protected]>
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Move public_key_free and public_key_signature_free as helper
functions that can be shared by legacy crypto lib and MbedTLS
implementation.
Signed-off-by: Raymond Mao <[email protected]>
Reviewed-by: Ilias Apalodimas <[email protected]>
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Update the PKCS7 test suites for multiple certs.
The PR for this patch is at:
https://github.com/Mbed-TLS/mbedtls/pull/9001
For enabling EFI loader PKCS7 features with MbedTLS build,
we need this patch on top of MbedTLS v3.6.0 before it is merged into
the next MbedTLS LTS release.
Signed-off-by: Raymond Mao <[email protected]>
Acked-by: Ilias Apalodimas <[email protected]>
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Support decoding multiple signer's cert in the signed data within
a PKCS7 message.
The PR for this patch is at:
https://github.com/Mbed-TLS/mbedtls/pull/9001
For enabling EFI loader PKCS7 features with MbedTLS build,
we need this patch on top of MbedTLS v3.6.0 before it is merged into
the next MbedTLS LTS release.
Signed-off-by: Raymond Mao <[email protected]>
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Populate PKCS9 Authenticate Attributes from signer info if it exists
in a PKCS7 message.
Add OIDs for describing objects using for Authenticate Attributes.
The PR for this patch is at:
https://github.com/Mbed-TLS/mbedtls/pull/9001
For enabling EFI loader PKCS7 features with MbedTLS build,
we need this patch on top of MbedTLS v3.6.0 before it is merged into
the next MbedTLS LTS release.
Signed-off-by: Raymond Mao <[email protected]>
Acked-by: Ilias Apalodimas <[email protected]>
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Populate Microsoft Authentication Code from the content data
into PKCS7 decoding context if it exists in a PKCS7 message.
Add OIDs for describing objects using for Microsoft Authentication
Code.
The PR for this patch is at:
https://github.com/Mbed-TLS/mbedtls/pull/9001
For enabling EFI loader PKCS7 features with MbedTLS build,
we need this patch on top of MbedTLS v3.6.0 before it is merged into
the next MbedTLS LTS release.
Signed-off-by: Raymond Mao <[email protected]>
Acked-by: Ilias Apalodimas <[email protected]>
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Smaller implementation for SHA256 and SHA512 helps to reduce the
ROM footprint though it has a certain impact on performance.
As a trade-off, enable it as a default config when MbedTLS is
enabled can reduce the target size significantly with acceptable
performance loss.
Signed-off-by: Raymond Mao <[email protected]>
Reviewed-by: Ilias Apalodimas <[email protected]>
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Implement digest shim layer on top of MbedTLS crypto library.
Introduce <alg>_MBEDTLS kconfig for MbedTLS crypto implementations.
Signed-off-by: Raymond Mao <[email protected]>
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We don't need an API specially for non-watchdog since sha1_csum_wd
supports it by disabling CONFIG_HW_WATCHDOG and CONFIG_WATCHDOG.
Set 0x10000 as default chunk size for SHA1.
Signed-off-by: Raymond Mao <[email protected]>
Reviewed-by: Ilias Apalodimas <[email protected]>
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We don't need an API specially for non-watchdog since md5_wd supports
it by disabling CONFIG_HW_WATCHDOG and CONFIG_WATCHDOG.
Set 0x10000 as default chunk size for MD5.
Signed-off-by: Raymond Mao <[email protected]>
Reviewed-by: Ilias Apalodimas <[email protected]>
Reviewed-by: Michal Simek <[email protected]>
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