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authorOlof Johansson <olof@lixom.net>2013-12-26 11:03:29 -0800
committerOlof Johansson <olof@lixom.net>2013-12-26 11:03:29 -0800
commit770039fef4887d22b12525b62cc4ade1ca724173 (patch)
tree7408ae2a4dbe6a3b36af36976a04a968d951d6af /drivers/gpu/drm/tegra/hdmi.c
parent954e198eac14f6c34157bbf053149f3c2917cbbd (diff)
parent8a0a1af30cbf56b41220a02e34835022c4d72f41 (diff)
downloadtalos-op-linux-770039fef4887d22b12525b62cc4ade1ca724173.tar.gz
talos-op-linux-770039fef4887d22b12525b62cc4ade1ca724173.zip
Merge branch 'tegra/dma-reset-rework' into next/dt
Bringing in the tegra dma/reset framework cleanup as a base for the DT changes. * tegra/dma-reset-rework: (320 commits) spi: tegra: checking for ERR_PTR instead of NULL ASoC: tegra: update module reset list for Tegra124 clk: tegra: remove bogus PCIE_XCLK clk: tegra: remove legacy reset APIs ARM: tegra: remove legacy DMA entries from DT ARM: tegra: remove legacy clock entries from DT USB: EHCI: tegra: use reset framework Input: tegra-kbc - use reset framework serial: tegra: convert to standard DMA DT bindings serial: tegra: use reset framework spi: tegra: convert to standard DMA DT bindings spi: tegra: use reset framework staging: nvec: use reset framework i2c: tegra: use reset framework ASoC: tegra: convert to standard DMA DT bindings ASoC: tegra: allocate AHUB FIFO during probe() not startup() ASoC: tegra: call pm_runtime APIs around register accesses ASoC: tegra: use reset framework dma: tegra: register as an OF DMA controller dma: tegra: use reset framework ... Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'drivers/gpu/drm/tegra/hdmi.c')
-rw-r--r--drivers/gpu/drm/tegra/hdmi.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/gpu/drm/tegra/hdmi.c b/drivers/gpu/drm/tegra/hdmi.c
index 0cd9bc2056e8..7f6253ea5cb5 100644
--- a/drivers/gpu/drm/tegra/hdmi.c
+++ b/drivers/gpu/drm/tegra/hdmi.c
@@ -8,10 +8,10 @@
*/
#include <linux/clk.h>
-#include <linux/clk/tegra.h>
#include <linux/debugfs.h>
#include <linux/hdmi.h>
#include <linux/regulator/consumer.h>
+#include <linux/reset.h>
#include "hdmi.h"
#include "drm.h"
@@ -49,6 +49,7 @@ struct tegra_hdmi {
struct clk *clk_parent;
struct clk *clk;
+ struct reset_control *rst;
const struct tegra_hdmi_config *config;
@@ -731,9 +732,9 @@ static int tegra_output_hdmi_enable(struct tegra_output *output)
return err;
}
- tegra_periph_reset_assert(hdmi->clk);
+ reset_control_assert(hdmi->rst);
usleep_range(1000, 2000);
- tegra_periph_reset_deassert(hdmi->clk);
+ reset_control_deassert(hdmi->rst);
tegra_dc_writel(dc, VSYNC_H_POSITION(1),
DC_DISP_DISP_TIMING_OPTIONS);
@@ -912,7 +913,7 @@ static int tegra_output_hdmi_disable(struct tegra_output *output)
{
struct tegra_hdmi *hdmi = to_hdmi(output);
- tegra_periph_reset_assert(hdmi->clk);
+ reset_control_assert(hdmi->rst);
clk_disable(hdmi->clk);
regulator_disable(hdmi->pll);
@@ -1338,6 +1339,12 @@ static int tegra_hdmi_probe(struct platform_device *pdev)
return PTR_ERR(hdmi->clk);
}
+ hdmi->rst = devm_reset_control_get(&pdev->dev, "hdmi");
+ if (IS_ERR(hdmi->rst)) {
+ dev_err(&pdev->dev, "failed to get reset\n");
+ return PTR_ERR(hdmi->rst);
+ }
+
err = clk_prepare(hdmi->clk);
if (err < 0)
return err;
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