From: Weiyi Lu <weiyi.lu@mediatek.com>
To: Nicolas Boichat <drinkcat@chromium.org>,
Matthias Brugger <matthias.bgg@gmail.com>,
Rob Herring <robh@kernel.org>
Cc: James Liao <jamesjj.liao@mediatek.com>,
Weiyi Lu <weiyi.lu@mediatek.com>,
srv_heupstream@mediatek.com, linux-kernel@vger.kernel.org,
Fan Chen <fan.chen@mediatek.com>,
linux-mediatek@lists.infradead.org,
Yong Wu <yong.wu@mediatek.com>,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH v7 07/13] soc: mediatek: Refactor bus protection control
Date: Wed, 28 Aug 2019 17:11:40 +0800 [thread overview]
Message-ID: <1566983506-26598-8-git-send-email-weiyi.lu@mediatek.com> (raw)
In-Reply-To: <1566983506-26598-1-git-send-email-weiyi.lu@mediatek.com>
Put bus protection enable and disable control in separate functions.
Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
---
drivers/soc/mediatek/mtk-scpsys.c | 44 ++++++++++++++++++++++++++-------------
1 file changed, 30 insertions(+), 14 deletions(-)
diff --git a/drivers/soc/mediatek/mtk-scpsys.c b/drivers/soc/mediatek/mtk-scpsys.c
index ad0f619..fb2b027 100644
--- a/drivers/soc/mediatek/mtk-scpsys.c
+++ b/drivers/soc/mediatek/mtk-scpsys.c
@@ -274,6 +274,30 @@ static int scpsys_sram_disable(struct scp_domain *scpd, void __iomem *ctl_addr)
MTK_POLL_DELAY_US, MTK_POLL_TIMEOUT);
}
+static int scpsys_bus_protect_enable(struct scp_domain *scpd)
+{
+ struct scp *scp = scpd->scp;
+
+ if (!scpd->data->bus_prot_mask)
+ return 0;
+
+ return mtk_infracfg_set_bus_protection(scp->infracfg,
+ scpd->data->bus_prot_mask,
+ scp->bus_prot_reg_update);
+}
+
+static int scpsys_bus_protect_disable(struct scp_domain *scpd)
+{
+ struct scp *scp = scpd->scp;
+
+ if (!scpd->data->bus_prot_mask)
+ return 0;
+
+ return mtk_infracfg_clear_bus_protection(scp->infracfg,
+ scpd->data->bus_prot_mask,
+ scp->bus_prot_reg_update);
+}
+
static int scpsys_power_on(struct generic_pm_domain *genpd)
{
struct scp_domain *scpd = container_of(genpd, struct scp_domain, genpd);
@@ -316,13 +340,9 @@ static int scpsys_power_on(struct generic_pm_domain *genpd)
if (ret < 0)
goto err_pwr_ack;
- if (scpd->data->bus_prot_mask) {
- ret = mtk_infracfg_clear_bus_protection(scp->infracfg,
- scpd->data->bus_prot_mask,
- scp->bus_prot_reg_update);
- if (ret)
- goto err_pwr_ack;
- }
+ ret = scpsys_bus_protect_disable(scpd);
+ if (ret < 0)
+ goto err_pwr_ack;
return 0;
@@ -344,13 +364,9 @@ static int scpsys_power_off(struct generic_pm_domain *genpd)
u32 val;
int ret, tmp;
- if (scpd->data->bus_prot_mask) {
- ret = mtk_infracfg_set_bus_protection(scp->infracfg,
- scpd->data->bus_prot_mask,
- scp->bus_prot_reg_update);
- if (ret)
- goto out;
- }
+ ret = scpsys_bus_protect_enable(scpd);
+ if (ret < 0)
+ goto out;
ret = scpsys_sram_disable(scpd, ctl_addr);
if (ret < 0)
--
1.8.1.1.dirty
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next prev parent reply other threads:[~2019-08-28 9:14 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-28 9:11 [PATCH v7 00/13] Mediatek MT8183 scpsys support Weiyi Lu
2019-08-28 9:11 ` [PATCH v7 01/13] dt-bindings: mediatek: Add property to mt8183 smi-common Weiyi Lu
2019-08-28 9:11 ` [PATCH v7 02/13] dt-bindings: soc: Add MT8183 power dt-bindings Weiyi Lu
2019-08-28 9:39 ` Matthias Brugger
2019-10-08 1:25 ` Weiyi Lu
2019-08-28 9:11 ` [PATCH v7 03/13] soc: mediatek: Refactor polling timeout and documentation Weiyi Lu
2019-08-28 9:43 ` Matthias Brugger
2019-08-28 9:11 ` [PATCH v7 04/13] soc: mediatek: Refactor regulator control Weiyi Lu
2019-08-28 9:44 ` Matthias Brugger
2019-08-28 9:11 ` [PATCH v7 05/13] soc: mediatek: Refactor clock control Weiyi Lu
2019-08-28 9:46 ` Matthias Brugger
2019-08-28 9:11 ` [PATCH v7 06/13] soc: mediatek: Refactor sram control Weiyi Lu
2019-08-28 10:22 ` Matthias Brugger
2019-08-28 9:11 ` Weiyi Lu [this message]
2019-08-28 10:28 ` [PATCH v7 07/13] soc: mediatek: Refactor bus protection control Matthias Brugger
2019-08-28 9:11 ` [PATCH v7 08/13] soc: mediatek: Add basic_clk_id to scp_power_data Weiyi Lu
2019-08-28 9:11 ` [PATCH v7 09/13] soc: mediatek: Add multiple step bus protection control Weiyi Lu
2019-08-28 9:11 ` [PATCH v7 10/13] soc: mediatek: Add subsys clock control for bus protection Weiyi Lu
2019-08-28 9:11 ` [PATCH v7 11/13] soc: mediatek: Add extra sram control Weiyi Lu
2019-08-28 9:11 ` [PATCH v7 12/13] soc: mediatek: Add MT8183 scpsys support Weiyi Lu
2019-08-28 9:11 ` [PATCH v7 13/13] arm64: dts: Add power controller device node of MT8183 Weiyi Lu
2019-08-29 5:15 ` CK Hu
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