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From: Sascha Hauer <s.hauer@pengutronix.de>
Date: Tue, 18 Mar 2025 15:41:41 +0100
Message-Id: <20250318-filetype-size-reduction-v1-0-4f463ffae7d0@pengutronix.de>
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Subject: [PATCH 0/7] filetype: Some size reduction patches
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The am335x_mlo_defconfig is very size constrained and doesn't build
within these constraint anymore for some time. The filetype detection
code has become quite big and offers some opportunities for size
reduction. Specifically file_detect_type() is quite big, but many
callers are only interested in some specific file types like supported
file systems or supported compressed binary formats. This series
introduces some more specific smaller file detection functions so that
we can get rid of the big file_detect_type() in the binary.
Also included some patches for the myirtech-mid board to use a stripped
down device tree for the MLO. The same is already done for the other
boards supported in am335x_mlo_defconfig
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
Sascha Hauer (7):
filetype: add file_detect_compression_type()
filetype: add file_detect_fs_type()
filetype: add function pointer to file_name_detect_type_offset()
filetype: let cdev_detect_type() only detect filesystems
filetype: make file type strings optional
ARM: am33xx: myirtech-myd: add MLO specific device tree
ARM: am335x_mlo_defconfig: disable file type strings
arch/arm/boards/myirtech-x335x/lowlevel.c | 6 +-
arch/arm/configs/am335x_mlo_defconfig | 1 +
arch/arm/dts/Makefile | 2 +-
arch/arm/dts/am335x-myirtech-myd-mlo.dts | 10 +++
common/Kconfig | 8 ++
common/filetype.c | 132 +++++++++++++++++++++---------
fs/fs.c | 3 +-
include/filetype.h | 5 +-
lib/uncompress.c | 4 +-
9 files changed, 125 insertions(+), 46 deletions(-)
---
base-commit: a0ba27e06535570e8e4653f5f92a607f8b99022e
change-id: 20250318-filetype-size-reduction-0cbf74281e2e
Best regards,
--
Sascha Hauer <s.hauer@pengutronix.de>