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Groups > linux.kernel > #1334251

[PATCH 1/3] spi: rockchip: disable runtime pm when in err case

From Shawn Lin <shawn.lin@rock-chips.com>
Newsgroups linux.kernel
Subject [PATCH 1/3] spi: rockchip: disable runtime pm when in err case
Date 2016-02-15 09:40 +0100
Message-ID <r2mRl-6Rc-23@gated-at.bofh.it> (permalink)
References <r2mRl-6Rc-25@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Before registering master, driver enables runtime pm.
This patch  pm_runtime_disable in err case while probing
driver to balance pm reference count.

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>

---

 drivers/spi/spi-rockchip.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/spi/spi-rockchip.c b/drivers/spi/spi-rockchip.c
index 79a8bc4..c0f9bae 100644
--- a/drivers/spi/spi-rockchip.c
+++ b/drivers/spi/spi-rockchip.c
@@ -749,6 +749,7 @@ static int rockchip_spi_probe(struct platform_device *pdev)
 	return 0;
 
 err_register_master:
+	pm_runtime_disable(&pdev->dev);
 	if (rs->dma_tx.ch)
 		dma_release_channel(rs->dma_tx.ch);
 	if (rs->dma_rx.ch)
-- 
2.3.7

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Thread

[PATCH 0/3] Some rockchip_spi fixes and debug support Shawn Lin <shawn.lin@rock-chips.com> - 2016-02-15 09:40 +0100
  [PATCH 1/3] spi: rockchip: disable runtime pm when in err case Shawn Lin <shawn.lin@rock-chips.com> - 2016-02-15 09:40 +0100
  [PATCH 2/3] spi: rockchip: add missing spi_master_put Shawn Lin <shawn.lin@rock-chips.com> - 2016-02-15 09:40 +0100
  [PATCH 3/3] spi: rockchip: add debug interface support Shawn Lin <shawn.lin@rock-chips.com> - 2016-02-15 09:40 +0100
    Re: [PATCH 3/3] spi: rockchip: add debug interface support Mark Brown <broonie@kernel.org> - 2016-02-15 18:30 +0100
      Re: [PATCH 3/3] spi: rockchip: add debug interface support Shawn Lin <shawn.lin@rock-chips.com> - 2016-02-16 02:40 +0100

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