summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorChristophe JAILLET <christophe.jaillet@wanadoo.fr>2024-07-07 07:47:21 +0200
committerAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>2024-07-30 10:57:19 +0200
commit10c1ea1eaf4d107c323321e92237ba67848de291 (patch)
tree80fb746346a360fa46a0421d7790082eb93aa5b9
parentded525f8ac5db53286b0eabb679ecf7edb974eaa (diff)
downloadlwn-10c1ea1eaf4d107c323321e92237ba67848de291.tar.gz
lwn-10c1ea1eaf4d107c323321e92237ba67848de291.zip
soc: mediatek: pwrap: Constify some struct int[]
These arrays are not modified in this driver. Constifying this structure moves some data to a read-only section, so increase overall security. On a x86_64, with allmodconfig: Before: ====== text data bss dec hex filename 45528 8532 16 54076 d33c drivers/soc/mediatek/mtk-pmic-wrap.o After: ===== text data bss dec hex filename 52664 1384 16 54064 d330 drivers/soc/mediatek/mtk-pmic-wrap.o Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Link: https://lore.kernel.org/r/f1fea00fbaa0fea298bf67732e019f9cc5c407ab.1720331018.git.christophe.jaillet@wanadoo.fr Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
-rw-r--r--drivers/soc/mediatek/mtk-pmic-wrap.c30
1 files changed, 15 insertions, 15 deletions
diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c
index 0da0cdec5050..d57553486383 100644
--- a/drivers/soc/mediatek/mtk-pmic-wrap.c
+++ b/drivers/soc/mediatek/mtk-pmic-wrap.c
@@ -483,7 +483,7 @@ enum pwrap_regs {
PWRAP_MSB_FIRST,
};
-static int mt2701_regs[] = {
+static const int mt2701_regs[] = {
[PWRAP_MUX_SEL] = 0x0,
[PWRAP_WRAP_EN] = 0x4,
[PWRAP_DIO_EN] = 0x8,
@@ -569,7 +569,7 @@ static int mt2701_regs[] = {
[PWRAP_ADC_RDATA_ADDR2] = 0x154,
};
-static int mt6765_regs[] = {
+static const int mt6765_regs[] = {
[PWRAP_MUX_SEL] = 0x0,
[PWRAP_WRAP_EN] = 0x4,
[PWRAP_DIO_EN] = 0x8,
@@ -601,7 +601,7 @@ static int mt6765_regs[] = {
[PWRAP_DCM_DBC_PRD] = 0x1E0,
};
-static int mt6779_regs[] = {
+static const int mt6779_regs[] = {
[PWRAP_MUX_SEL] = 0x0,
[PWRAP_WRAP_EN] = 0x4,
[PWRAP_DIO_EN] = 0x8,
@@ -640,7 +640,7 @@ static int mt6779_regs[] = {
[PWRAP_WACS2_VLDCLR] = 0xC28,
};
-static int mt6795_regs[] = {
+static const int mt6795_regs[] = {
[PWRAP_MUX_SEL] = 0x0,
[PWRAP_WRAP_EN] = 0x4,
[PWRAP_DIO_EN] = 0x8,
@@ -725,7 +725,7 @@ static int mt6795_regs[] = {
[PWRAP_EXT_CK] = 0x14c,
};
-static int mt6797_regs[] = {
+static const int mt6797_regs[] = {
[PWRAP_MUX_SEL] = 0x0,
[PWRAP_WRAP_EN] = 0x4,
[PWRAP_DIO_EN] = 0x8,
@@ -758,7 +758,7 @@ static int mt6797_regs[] = {
[PWRAP_DCM_DBC_PRD] = 0x1D4,
};
-static int mt6873_regs[] = {
+static const int mt6873_regs[] = {
[PWRAP_INIT_DONE2] = 0x0,
[PWRAP_TIMER_EN] = 0x3E0,
[PWRAP_INT_EN] = 0x448,
@@ -769,7 +769,7 @@ static int mt6873_regs[] = {
[PWRAP_WACS2_RDATA] = 0xCA8,
};
-static int mt7622_regs[] = {
+static const int mt7622_regs[] = {
[PWRAP_MUX_SEL] = 0x0,
[PWRAP_WRAP_EN] = 0x4,
[PWRAP_DIO_EN] = 0x8,
@@ -881,7 +881,7 @@ static int mt7622_regs[] = {
[PWRAP_SPI2_CTRL] = 0x244,
};
-static int mt8135_regs[] = {
+static const int mt8135_regs[] = {
[PWRAP_MUX_SEL] = 0x0,
[PWRAP_WRAP_EN] = 0x4,
[PWRAP_DIO_EN] = 0x8,
@@ -954,7 +954,7 @@ static int mt8135_regs[] = {
[PWRAP_DCM_DBC_PRD] = 0x160,
};
-static int mt8173_regs[] = {
+static const int mt8173_regs[] = {
[PWRAP_MUX_SEL] = 0x0,
[PWRAP_WRAP_EN] = 0x4,
[PWRAP_DIO_EN] = 0x8,
@@ -1036,7 +1036,7 @@ static int mt8173_regs[] = {
[PWRAP_DCM_DBC_PRD] = 0x148,
};
-static int mt8183_regs[] = {
+static const int mt8183_regs[] = {
[PWRAP_MUX_SEL] = 0x0,
[PWRAP_WRAP_EN] = 0x4,
[PWRAP_DIO_EN] = 0x8,
@@ -1087,7 +1087,7 @@ static int mt8183_regs[] = {
[PWRAP_WACS2_VLDCLR] = 0xC28,
};
-static int mt8195_regs[] = {
+static const int mt8195_regs[] = {
[PWRAP_INIT_DONE2] = 0x0,
[PWRAP_STAUPD_CTRL] = 0x4C,
[PWRAP_TIMER_EN] = 0x3E4,
@@ -1104,7 +1104,7 @@ static int mt8195_regs[] = {
[PWRAP_WACS2_RDATA] = 0x8A8,
};
-static int mt8365_regs[] = {
+static const int mt8365_regs[] = {
[PWRAP_MUX_SEL] = 0x0,
[PWRAP_WRAP_EN] = 0x4,
[PWRAP_DIO_EN] = 0x8,
@@ -1166,7 +1166,7 @@ static int mt8365_regs[] = {
[PWRAP_WDT_SRC_EN_1] = 0xf8,
};
-static int mt8516_regs[] = {
+static const int mt8516_regs[] = {
[PWRAP_MUX_SEL] = 0x0,
[PWRAP_WRAP_EN] = 0x4,
[PWRAP_DIO_EN] = 0x8,
@@ -1251,7 +1251,7 @@ static int mt8516_regs[] = {
[PWRAP_MSB_FIRST] = 0x170,
};
-static int mt8186_regs[] = {
+static const int mt8186_regs[] = {
[PWRAP_MUX_SEL] = 0x0,
[PWRAP_WRAP_EN] = 0x4,
[PWRAP_DIO_EN] = 0x8,
@@ -1377,7 +1377,7 @@ struct pmic_wrapper {
};
struct pmic_wrapper_type {
- int *regs;
+ const int *regs;
enum pwrap_type type;
u32 arb_en_all;
u32 int_en_all;