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authorSuzuki K Poulose <suzuki.poulose@arm.com>2019-07-23 23:18:33 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-07-30 13:07:41 +0200
commitcfba5de9b99f8bbb8b4ea11b3049784e78b8759b (patch)
tree1c9f123ae5f350f61efa4d6c5730bba20601b74a /drivers/amba
parent6cda08a20dbde45b021091230c8a359fa08c5103 (diff)
downloadlinux-cfba5de9b99f8bbb8b4ea11b3049784e78b8759b.tar.bz2
drivers: Introduce device lookup variants by of_node
Introduce wrappers for {bus/driver/class}_find_device() to locate devices by its of_node. Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Maxime Ripard <maxime.ripard@bootlin.com> Cc: dri-devel@lists.freedesktop.org Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: devicetree@vger.kernel.org Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: Frank Rowand <frowand.list@gmail.com> Cc: Heiko Stuebner <heiko@sntech.de> Cc: Liam Girdwood <lgirdwood@gmail.com> Cc: linux-i2c@vger.kernel.org Cc: linux-rockchip@lists.infradead.org Cc: linux-spi@vger.kernel.org Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: Rob Herring <robh+dt@kernel.org> Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Cc: Takashi Iwai <tiwai@suse.com> Cc: Alan Tull <atull@kernel.org> Cc: linux-fpga@vger.kernel.org Cc: Peter Rosin <peda@axentia.se> Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: Heiner Kallweit <hkallweit1@gmail.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Andrew Lunn <andrew@lunn.ch> Cc: Liam Girdwood <lgirdwood@gmail.com> Cc: "Rafael J. Wysocki" <rafael@kernel.org> Cc: Thor Thayer <thor.thayer@linux.intel.com> Cc: Jiri Slaby <jslaby@suse.com> Cc: Andrew Lunn <andrew@lunn.ch> Cc: Peter Rosin <peda@axentia.se> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> Acked-by: Lee Jones <lee.jones@linaro.org> Acked-by: Wolfram Sang <wsa@the-dreams.de> # I2C part Acked-by: Moritz Fischer <mdf@kernel.org> # For FPGA part Acked-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20190723221838.12024-3-suzuki.poulose@arm.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/amba')
-rw-r--r--drivers/amba/tegra-ahb.c11
1 files changed, 1 insertions, 10 deletions
diff --git a/drivers/amba/tegra-ahb.c b/drivers/amba/tegra-ahb.c
index aa64eece77a6..57d3b2e2d007 100644
--- a/drivers/amba/tegra-ahb.c
+++ b/drivers/amba/tegra-ahb.c
@@ -134,22 +134,13 @@ static inline void gizmo_writel(struct tegra_ahb *ahb, u32 value, u32 offset)
}
#ifdef CONFIG_TEGRA_IOMMU_SMMU
-static int tegra_ahb_match_by_smmu(struct device *dev, const void *data)
-{
- struct tegra_ahb *ahb = dev_get_drvdata(dev);
- const struct device_node *dn = data;
-
- return (ahb->dev->of_node == dn) ? 1 : 0;
-}
-
int tegra_ahb_enable_smmu(struct device_node *dn)
{
struct device *dev;
u32 val;
struct tegra_ahb *ahb;
- dev = driver_find_device(&tegra_ahb_driver.driver, NULL, dn,
- tegra_ahb_match_by_smmu);
+ dev = driver_find_device_by_of_node(&tegra_ahb_driver.driver, dn);
if (!dev)
return -EPROBE_DEFER;
ahb = dev_get_drvdata(dev);