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Message-ID: <cover.1723022467.git.christophe.jaillet@wanadoo.fr> Date: Wed, 7 Aug 2024 11:30:54 +0200 From: Christophe JAILLET <christophe.jaillet@...adoo.fr> To: linus.walleij@...aro.org, neil.armstrong@...aro.org, khilman@...libre.com, jbrunet@...libre.com, martin.blumenstingl@...glemail.com Cc: linux-gpio@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org, Christophe JAILLET <christophe.jaillet@...adoo.fr> Subject: [PATCH 0/3] pinctrl: meson: Constify some structure These 3 patches constify some structures in order to move some data to a read-only section, so increase overall security. It is splitted in 3 to ease review. Patch 1: struct meson_pmx_group and meson_pmx_func patch 2: struct meson_bank patch 3: struct meson_pmx_bank All patches are only compile tested. In order to compile them, I update Kconfig to add some "| COMPILE_TEST" on depends line. Should it be useful, I can send a patch to add it, but I don't think it would be that useful. On a x86_64, with allmodconfig: Before: ====== text data bss dec hex filename 10818 11696 0 22514 57f2 drivers/pinctrl/meson/pinctrl-amlogic-c3.o 17198 17680 0 34878 883e drivers/pinctrl/meson/pinctrl-amlogic-t7.o 14161 11200 0 25361 6311 drivers/pinctrl/meson/pinctrl-meson8b.o 17348 12512 0 29860 74a4 drivers/pinctrl/meson/pinctrl-meson8.o 3070 324 0 3394 d42 drivers/pinctrl/meson/pinctrl-meson8-pmx.o 9317 9648 0 18965 4a15 drivers/pinctrl/meson/pinctrl-meson-a1.o 12115 11664 0 23779 5ce3 drivers/pinctrl/meson/pinctrl-meson-axg.o 2470 120 0 2590 a1e drivers/pinctrl/meson/pinctrl-meson-axg-pmx.o 15125 15224 0 30349 768d drivers/pinctrl/meson/pinctrl-meson-g12a.o 13800 10160 0 23960 5d98 drivers/pinctrl/meson/pinctrl-meson-gxbb.o 13040 9648 0 22688 58a0 drivers/pinctrl/meson/pinctrl-meson-gxl.o 20507 1132 48 21687 54b7 drivers/pinctrl/meson/pinctrl-meson.o 12212 12880 0 25092 6204 drivers/pinctrl/meson/pinctrl-meson-s4.o After: ===== text data bss dec hex filename 22114 384 0 22498 57e2 drivers/pinctrl/meson/pinctrl-amlogic-c3.o 34510 384 0 34894 884e drivers/pinctrl/meson/pinctrl-amlogic-t7.o 24945 440 0 25385 6329 drivers/pinctrl/meson/pinctrl-meson8b.o 29412 440 0 29852 749c drivers/pinctrl/meson/pinctrl-meson8.o 3070 324 0 3394 d42 drivers/pinctrl/meson/pinctrl-meson8-pmx.o 18597 384 0 18981 4a25 drivers/pinctrl/meson/pinctrl-meson-a1.o 23315 496 0 23811 5d03 drivers/pinctrl/meson/pinctrl-meson-axg.o 2470 120 0 2590 a1e drivers/pinctrl/meson/pinctrl-meson-axg-pmx.o 29877 504 0 30381 76ad drivers/pinctrl/meson/pinctrl-meson-g12a.o 23496 456 0 23952 5d90 drivers/pinctrl/meson/pinctrl-meson-gxbb.o 22224 456 0 22680 5898 drivers/pinctrl/meson/pinctrl-meson-gxl.o 20507 1132 48 21687 54b7 drivers/pinctrl/meson/pinctrl-meson.o 24692 384 0 25076 61f4 drivers/pinctrl/meson/pinctrl-meson-s4.o Christophe JAILLET (3): pinctrl: meson: Constify struct meson_pmx_group and meson_pmx_func pinctrl: meson: Constify struct meson_bank pinctrl: meson: Constify struct meson_pmx_bank drivers/pinctrl/meson/pinctrl-amlogic-c3.c | 8 +++--- drivers/pinctrl/meson/pinctrl-amlogic-t7.c | 8 +++--- drivers/pinctrl/meson/pinctrl-meson-a1.c | 8 +++--- drivers/pinctrl/meson/pinctrl-meson-axg-pmx.c | 12 ++++----- drivers/pinctrl/meson/pinctrl-meson-axg-pmx.h | 2 +- drivers/pinctrl/meson/pinctrl-meson-axg.c | 16 ++++++------ drivers/pinctrl/meson/pinctrl-meson-g12a.c | 16 ++++++------ drivers/pinctrl/meson/pinctrl-meson-gxbb.c | 12 ++++----- drivers/pinctrl/meson/pinctrl-meson-gxl.c | 12 ++++----- drivers/pinctrl/meson/pinctrl-meson-s4.c | 8 +++--- drivers/pinctrl/meson/pinctrl-meson.c | 25 ++++++++++--------- drivers/pinctrl/meson/pinctrl-meson.h | 6 ++--- drivers/pinctrl/meson/pinctrl-meson8-pmx.c | 6 ++--- drivers/pinctrl/meson/pinctrl-meson8.c | 12 ++++----- drivers/pinctrl/meson/pinctrl-meson8b.c | 12 ++++----- 15 files changed, 82 insertions(+), 81 deletions(-) -- 2.45.2
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