linux-kernel - [PATCH v8 2/8] soc: mediatek: pm-domains: Move bools to a flags field

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 18 Sep 2023 11:37:46 +0200
From:   Markus Schneider-Pargmann <msp@...libre.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>
Cc:     Ulf Hansson <ulf.hansson@...aro.org>,
        Alexandre Mergnat <amergnat@...libre.com>,
        Chun-Jie Chen <chun-jie.chen@...iatek.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Tinghan Shen <tinghan.shen@...iatek.com>,
        Fabien Parent <parent.f@...il.com>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        Markus Schneider-Pargmann <msp@...libre.com>
Subject: [PATCH v8 2/8] soc: mediatek: pm-domains: Move bools to a flags field

To simplify the macros, use a flags field for simple bools. This is in
preparation for more flags.

Signed-off-by: Markus Schneider-Pargmann <msp@...libre.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Reviewed-by: Alexandre Mergnat <amergnat@...libre.com>
Tested-by: Alexandre Mergnat <amergnat@...libre.com>
---
 drivers/pmdomain/mediatek/mtk-pm-domains.c |  6 +++---
 drivers/pmdomain/mediatek/mtk-pm-domains.h | 19 +++++++++++--------
 2 files changed, 14 insertions(+), 11 deletions(-)

diff --git a/drivers/pmdomain/mediatek/mtk-pm-domains.c b/drivers/pmdomain/mediatek/mtk-pm-domains.c
index ee962804b830..da675a33bdf5 100644
--- a/drivers/pmdomain/mediatek/mtk-pm-domains.c
+++ b/drivers/pmdomain/mediatek/mtk-pm-domains.c
@@ -128,7 +128,7 @@ static int _scpsys_bus_protect_enable(const struct scpsys_bus_prot_data *bpd, st
 		if (!mask)
 			break;
 
-		if (bpd[i].bus_prot_reg_update)
+		if (bpd[i].flags & BUS_PROT_REG_UPDATE)
 			regmap_set_bits(regmap, bpd[i].bus_prot_set, mask);
 		else
 			regmap_write(regmap, bpd[i].bus_prot_set, mask);
@@ -165,12 +165,12 @@ static int _scpsys_bus_protect_disable(const struct scpsys_bus_prot_data *bpd,
 		if (!mask)
 			continue;
 
-		if (bpd[i].bus_prot_reg_update)
+		if (bpd[i].flags & BUS_PROT_REG_UPDATE)
 			regmap_clear_bits(regmap, bpd[i].bus_prot_clr, mask);
 		else
 			regmap_write(regmap, bpd[i].bus_prot_clr, mask);
 
-		if (bpd[i].ignore_clr_ack)
+		if (bpd[i].flags & BUS_PROT_IGNORE_CLR_ACK)
 			continue;
 
 		ret = regmap_read_poll_timeout(regmap, bpd[i].bus_prot_sta,
diff --git a/drivers/pmdomain/mediatek/mtk-pm-domains.h b/drivers/pmdomain/mediatek/mtk-pm-domains.h
index 5ec53ee073c4..d8c0c299dd45 100644
--- a/drivers/pmdomain/mediatek/mtk-pm-domains.h
+++ b/drivers/pmdomain/mediatek/mtk-pm-domains.h
@@ -42,23 +42,27 @@
 
 #define SPM_MAX_BUS_PROT_DATA		6
 
-#define _BUS_PROT(_mask, _set, _clr, _sta, _update, _ignore) {	\
+enum scpsys_bus_prot_flags {
+	BUS_PROT_REG_UPDATE = BIT(1),
+	BUS_PROT_IGNORE_CLR_ACK = BIT(2),
+};
+
+#define _BUS_PROT(_mask, _set, _clr, _sta, _flags) {		\
 		.bus_prot_mask = (_mask),			\
 		.bus_prot_set = _set,				\
 		.bus_prot_clr = _clr,				\
 		.bus_prot_sta = _sta,				\
-		.bus_prot_reg_update = _update,			\
-		.ignore_clr_ack = _ignore,			\
+		.flags = _flags					\
 	}
 
 #define BUS_PROT_WR(_mask, _set, _clr, _sta)			\
-		_BUS_PROT(_mask, _set, _clr, _sta, false, false)
+		_BUS_PROT(_mask, _set, _clr, _sta, 0)
 
 #define BUS_PROT_WR_IGN(_mask, _set, _clr, _sta)		\
-		_BUS_PROT(_mask, _set, _clr, _sta, false, true)
+		_BUS_PROT(_mask, _set, _clr, _sta, BUS_PROT_IGNORE_CLR_ACK)
 
 #define BUS_PROT_UPDATE(_mask, _set, _clr, _sta)		\
-		_BUS_PROT(_mask, _set, _clr, _sta, true, false)
+		_BUS_PROT(_mask, _set, _clr, _sta, BUS_PROT_REG_UPDATE)
 
 #define BUS_PROT_UPDATE_TOPAXI(_mask)				\
 		BUS_PROT_UPDATE(_mask,				\
@@ -71,8 +75,7 @@ struct scpsys_bus_prot_data {
 	u32 bus_prot_set;
 	u32 bus_prot_clr;
 	u32 bus_prot_sta;
-	bool bus_prot_reg_update;
-	bool ignore_clr_ack;
+	u8 flags;
 };
 
 /**
-- 
2.40.1