From: Dong Aisheng <aisheng.dong@nxp.com>
To: linux-clk@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org, sboyd@kernel.org,
mturquette@baylibre.com, shawnguo@kernel.org,
fabio.estevam@nxp.com, linux-imx@nxp.com, kernel@pengutronix.de,
Dong Aisheng <aisheng.dong@nxp.com>
Subject: [PATCH v3 06/11] clk: imx: scu: add runtime pm support
Date: Tue, 16 Jul 2019 23:01:00 +0800 [thread overview]
Message-ID: <1563289265-10977-7-git-send-email-aisheng.dong@nxp.com> (raw)
In-Reply-To: <1563289265-10977-1-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:
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 30d6ff7..edc39d7 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"
@@ -448,15 +449,32 @@ 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(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);
--
2.7.4
next prev parent reply other threads:[~2019-07-16 15:23 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-16 15:00 [PATCH v3 00/11] clk: imx8: add new clock binding for better pm support Dong Aisheng
2019-07-16 15:00 ` [PATCH v3 01/11] dt-bindings: firmware: imx-scu: new binding to parse clocks from device tree Dong Aisheng
2019-08-03 14:42 ` Shawn Guo
2019-08-05 3:48 ` Dong Aisheng
2019-08-19 12:36 ` Daniel Baluta
2019-08-29 10:01 ` Oliver Graute
2019-07-16 15:00 ` [PATCH v3 02/11] dt-bindings: clock: imx-lpcg: add support " Dong Aisheng
2019-08-03 13:50 ` Shawn Guo
2019-08-05 3:27 ` Dong Aisheng
2019-08-12 13:00 ` Shawn Guo
2019-08-12 14:41 ` Aisheng Dong
2019-08-12 15:54 ` Shawn Guo
2019-08-19 12:42 ` Daniel Baluta
2019-07-16 15:00 ` [PATCH v3 03/11] clk: imx: scu: add two cells binding support Dong Aisheng
2019-07-16 15:00 ` [PATCH v3 04/11] clk: imx: scu: bypass cpu power domains Dong Aisheng
2019-07-16 15:00 ` [PATCH v3 05/11] clk: imx: scu: allow scu clk to take device pointer Dong Aisheng
2019-07-16 15:01 ` Dong Aisheng [this message]
2019-07-16 15:01 ` [PATCH v3 07/11] clk: imx: scu: add suspend/resume support Dong Aisheng
2019-07-16 15:01 ` [PATCH v3 08/11] clk: imx: imx8qxp-lpcg: add parsing clocks from device tree Dong Aisheng
2019-07-16 15:01 ` [PATCH v3 09/11] clk: imx: lpcg: allow lpcg clk to take device pointer Dong Aisheng
2019-07-16 15:01 ` [PATCH v3 10/11] clk: imx: clk-imx8qxp-lpcg: add runtime pm support Dong Aisheng
2019-07-16 15:01 ` [PATCH v3 11/11] clk: imx: lpcg: add suspend/resume support Dong Aisheng
2019-07-25 12:48 ` [PATCH v3 00/11] clk: imx8: add new clock binding for better pm support Dong Aisheng
2019-07-30 11:55 ` Oliver Graute
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