linux-kernel - [PATCH v2 3/4] soc: mediatek: avoid hardcoded value with bus_prot

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Date:   Wed, 7 Feb 2018 18:22:49 +0800
From:   <sean.wang@...iatek.com>
To:     <robh+dt@...nel.org>, <matthias.bgg@...il.com>,
        <rjw@...ysocki.net>, <khilman@...libre.com>
CC:     <ulf.hansson@...aro.org>, <devicetree@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>, <linux-pm@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, Sean Wang <sean.wang@...iatek.com>
Subject: [PATCH v2 3/4] soc: mediatek: avoid hardcoded value with bus_prot_mask

From: Sean Wang <sean.wang@...iatek.com>

use a meaningful definition for bus_prot_mask instead of just hardcoded
for it.

Signed-off-by: Sean Wang <sean.wang@...iatek.com>
---
 drivers/soc/mediatek/mtk-scpsys.c     | 5 +++--
 include/linux/soc/mediatek/infracfg.h | 4 ++++
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/soc/mediatek/mtk-scpsys.c b/drivers/soc/mediatek/mtk-scpsys.c
index 435ce5e..5346f33 100644
--- a/drivers/soc/mediatek/mtk-scpsys.c
+++ b/drivers/soc/mediatek/mtk-scpsys.c
@@ -518,7 +518,8 @@ static const struct scp_domain_data scp_domain_data_mt2701[] = {
 		.name = "conn",
 		.sta_mask = PWR_STATUS_CONN,
 		.ctl_offs = SPM_CONN_PWR_CON,
-		.bus_prot_mask = 0x0104,
+		.bus_prot_mask = MT2701_TOP_AXI_PROT_EN_CONN_M |
+				 MT2701_TOP_AXI_PROT_EN_CONN_S,
 		.clk_id = {CLK_NONE},
 		.active_wakeup = true,
 	},
@@ -528,7 +529,7 @@ static const struct scp_domain_data scp_domain_data_mt2701[] = {
 		.ctl_offs = SPM_DIS_PWR_CON,
 		.sram_pdn_bits = GENMASK(11, 8),
 		.clk_id = {CLK_MM},
-		.bus_prot_mask = 0x0002,
+		.bus_prot_mask = MT2701_TOP_AXI_PROT_EN_MM_M0,
 		.active_wakeup = true,
 	},
 	[MT2701_POWER_DOMAIN_MFG] = {
diff --git a/include/linux/soc/mediatek/infracfg.h b/include/linux/soc/mediatek/infracfg.h
index b0a507d..fd25f01 100644
--- a/include/linux/soc/mediatek/infracfg.h
+++ b/include/linux/soc/mediatek/infracfg.h
@@ -21,6 +21,10 @@
 #define MT8173_TOP_AXI_PROT_EN_MFG_M1		BIT(22)
 #define MT8173_TOP_AXI_PROT_EN_MFG_SNOOP_OUT	BIT(23)
 
+#define MT2701_TOP_AXI_PROT_EN_MM_M0		BIT(1)
+#define MT2701_TOP_AXI_PROT_EN_CONN_M		BIT(2)
+#define MT2701_TOP_AXI_PROT_EN_CONN_S		BIT(8)
+
 #define MT7622_TOP_AXI_PROT_EN_ETHSYS		(BIT(3) | BIT(17))
 #define MT7622_TOP_AXI_PROT_EN_HIF0		(BIT(24) | BIT(25))
 #define MT7622_TOP_AXI_PROT_EN_HIF1		(BIT(26) | BIT(27) | \
-- 
2.7.4