From: Pekon Gupta <pekon@ti.com>
To: linux-mtd@lists.infradead.org, linux-omap@vger.kernel.org,
tony@atomide.com
Cc: avinash philip <avinashphilip@ti.com>, Pekon Gupta <pekon@ti.com>
Subject: [PATCH v4 1/3] arm: gpmc: Converts GPMC driver to pm_runtime capable
Date: Wed, 12 Jun 2013 16:30:56 +0530 [thread overview]
Message-ID: <1371034858-19984-2-git-send-email-pekon@ti.com> (raw)
In-Reply-To: <1371034858-19984-1-git-send-email-pekon@ti.com>
From: avinash philip <avinashphilip@ti.com>
Support for pm_runtime add to GPMC driver.
Signed-off-by: Philip Avinash <avinashphilip@ti.com>
Signed-off-by: Pekon Gupta <pekon@ti.com>
---
arch/arm/mach-omap2/gpmc.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
index fb6f241..1380cee 100644
--- a/arch/arm/mach-omap2/gpmc.c
+++ b/arch/arm/mach-omap2/gpmc.c
@@ -30,6 +30,7 @@
#include <linux/of_mtd.h>
#include <linux/of_device.h>
#include <linux/mtd/nand.h>
+#include <linux/pm_runtime.h>
#include <linux/platform_data/mtd-nand-omap2.h>
@@ -1594,7 +1595,8 @@ static int gpmc_probe(struct platform_device *pdev)
return PTR_ERR(gpmc_l3_clk);
}
- clk_prepare_enable(gpmc_l3_clk);
+ pm_runtime_enable(&pdev->dev);
+ pm_runtime_get_sync(&pdev->dev);
gpmc_dev = &pdev->dev;
@@ -1634,7 +1636,7 @@ static int gpmc_probe(struct platform_device *pdev)
rc = gpmc_probe_dt(pdev);
if (rc < 0) {
- clk_disable_unprepare(gpmc_l3_clk);
+ pm_runtime_put_sync(&pdev->dev);
clk_put(gpmc_l3_clk);
dev_err(gpmc_dev, "failed to probe DT parameters\n");
return rc;
@@ -1647,6 +1649,8 @@ static int gpmc_remove(struct platform_device *pdev)
{
gpmc_free_irq();
gpmc_mem_exit();
+ pm_runtime_put_sync(&pdev->dev);
+ pm_runtime_disable(&pdev->dev);
gpmc_dev = NULL;
return 0;
}
--
1.8.1
next prev parent reply other threads:[~2013-06-12 11:01 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-12 11:00 [PATCH v4 0/3] suspend/resume support for OMAP nand driver Pekon Gupta
2013-06-12 11:00 ` Pekon Gupta [this message]
2013-06-12 11:00 ` [PATCH v4 2/3] arm: gpmc: Low power transition support Pekon Gupta
2013-06-12 17:01 ` Tony Lindgren
2013-06-12 17:38 ` Tony Lindgren
2013-06-12 11:00 ` [PATCH v4 3/3] mtd: devices: elm: " Pekon Gupta
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