From: Dong Aisheng <aisheng.dong@nxp.com>
To: linux-clk@vger.kernel.org
Cc: Dong Aisheng <aisheng.dong@nxp.com>,
sboyd@kernel.org, mturquette@baylibre.com, linux-imx@nxp.com,
kernel@pengutronix.de, fabio.estevam@nxp.com,
shawnguo@kernel.org, linux-arm-kernel@lists.infradead.org
Subject: [PATCH V6 06/12] clk: imx: scu: add runtime pm support
Date: Sun, 15 Mar 2020 21:43:50 +0800 [thread overview]
Message-ID: <1584279836-29825-7-git-send-email-aisheng.dong@nxp.com> (raw)
In-Reply-To: <1584279836-29825-1-git-send-email-aisheng.dong@nxp.com>
Add runtime pm support
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: Michael Turquette <mturquette@baylibre.com>
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
---
ChangeLog:
v4->v5: no changes
v3: new patch
---
drivers/clk/imx/clk-scu.c | 22 ++++++++++++++++++++--
1 file changed, 20 insertions(+), 2 deletions(-)
diff --git a/drivers/clk/imx/clk-scu.c b/drivers/clk/imx/clk-scu.c
index d474753712f7..7c7a839a3569 100644
--- a/drivers/clk/imx/clk-scu.c
+++ b/drivers/clk/imx/clk-scu.c
@@ -11,6 +11,7 @@
#include <linux/of_platform.h>
#include <linux/platform_device.h>
#include <linux/pm_domain.h>
+#include <linux/pm_runtime.h>
#include <linux/slab.h>
#include "clk-scu.h"
@@ -450,15 +451,32 @@ static int imx_clk_scu_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev;
struct imx_scu_clk_node *clk = dev_get_platdata(dev);
struct clk_hw *hw;
+ int ret;
+
+ pm_runtime_set_suspended(dev);
+ pm_runtime_set_autosuspend_delay(dev, 50);
+ pm_runtime_use_autosuspend(&pdev->dev);
+ pm_runtime_enable(dev);
+
+ ret = pm_runtime_get_sync(dev);
+ if (ret) {
+ pm_runtime_disable(dev);
+ return ret;
+ }
- hw = __imx_clk_scu(NULL, clk->name, clk->parents, clk->num_parents,
+ hw = __imx_clk_scu(dev, clk->name, clk->parents, clk->num_parents,
clk->rsrc, clk->clk_type);
- if (IS_ERR(hw))
+ if (IS_ERR(hw)) {
+ pm_runtime_disable(dev);
return PTR_ERR(hw);
+ }
clk->hw = hw;
list_add_tail(&clk->node, &imx_scu_clks[clk->rsrc]);
+ pm_runtime_mark_last_busy(&pdev->dev);
+ pm_runtime_put_autosuspend(&pdev->dev);
+
dev_dbg(dev, "register SCU clock rsrc:%d type:%d\n", clk->rsrc,
clk->clk_type);
--
2.23.0
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next prev parent reply other threads:[~2020-03-15 13:53 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-15 13:43 [PATCH V6 00/12] clk: imx8: add new clock binding for better pm support Dong Aisheng
2020-03-15 13:43 ` [PATCH V6 01/12] dt-bindings: firmware: imx-scu: new binding to parse clocks from device tree Dong Aisheng
2020-03-15 13:43 ` [PATCH V6 02/12] dt-bindings: clock: imx-lpcg: add support " Dong Aisheng
2020-03-15 13:43 ` [PATCH V6 03/12] clk: imx: scu: add two cells binding support Dong Aisheng
2020-05-05 5:08 ` Stephen Boyd
2020-05-05 13:47 ` Aisheng Dong
[not found] ` <159056841061.88029.216464972820415110@swboyd.mtv.corp.google.com>
[not found] ` <AM6PR04MB4966691C34454AFAB7DAFFB5808A0@AM6PR04MB4966.eurprd04.prod.outlook.com>
[not found] ` <159249627008.62212.17868674898739401597@swboyd.mtv.corp.google.com>
2020-06-19 14:50 ` Aisheng Dong
2020-03-15 13:43 ` [PATCH V6 04/12] clk: imx: scu: bypass cpu power domains Dong Aisheng
2020-05-05 4:49 ` Stephen Boyd
2020-03-15 13:43 ` [PATCH V6 05/12] clk: imx: scu: allow scu clk to take device pointer Dong Aisheng
2020-05-05 5:09 ` Stephen Boyd
2020-03-15 13:43 ` Dong Aisheng [this message]
2020-05-05 5:10 ` [PATCH V6 06/12] clk: imx: scu: add runtime pm support Stephen Boyd
2020-03-15 13:43 ` [PATCH V6 07/12] clk: imx: scu: add suspend/resume support Dong Aisheng
2020-05-05 4:50 ` Stephen Boyd
2020-03-15 13:43 ` [PATCH V6 08/12] clk: imx: imx8qxp-lpcg: add parsing clocks from device tree Dong Aisheng
2020-05-05 5:11 ` Stephen Boyd
2020-03-15 13:43 ` [PATCH V6 09/12] clk: imx: lpcg: allow lpcg clk to take device pointer Dong Aisheng
2020-05-05 4:58 ` Stephen Boyd
2020-03-15 13:43 ` [PATCH V6 10/12] clk: imx: clk-imx8qxp-lpcg: add runtime pm support Dong Aisheng
2020-05-05 4:51 ` Stephen Boyd
2020-03-15 13:43 ` [PATCH V6 11/12] clk: imx: lpcg: add suspend/resume support Dong Aisheng
2020-05-05 4:53 ` Stephen Boyd
2020-03-15 13:43 ` [PATCH V6 12/12] clk: imx: scu: unregister clocks if add provider failed Dong Aisheng
2020-05-05 4:55 ` Stephen Boyd
2020-05-05 14:06 ` Aisheng Dong
2020-03-15 14:10 ` [PATCH V6 00/12] clk: imx8: add new clock binding for better pm support Aisheng Dong
2020-03-26 3:14 ` Aisheng Dong
2020-04-07 2:23 ` Aisheng Dong
2020-04-18 12:39 ` Aisheng Dong
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