From ccbfd1d49dc0d6a6edab827ab4888cf93348f249 Mon Sep 17 00:00:00 2001 From: Sylwester Nawrocki Date: Mon, 17 Sep 2012 06:03:10 -0300 Subject: [PATCH] [media] s5p-csis: Replace phy_enable platform data callback with direct call The phy_enable callback is common for all Samsung SoC platforms, replace it with direct function call so the MIPI-CSI2 DPHY control is also possible on device tree instantiated platforms. Signed-off-by: Sylwester Nawrocki Signed-off-by: Kyungmin Park Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/s5p-fimc/mipi-csis.c | 13 +++++++------ include/linux/platform_data/mipi-csis.h | 11 +++++------ 2 files changed, 12 insertions(+), 12 deletions(-) diff --git a/drivers/media/platform/s5p-fimc/mipi-csis.c b/drivers/media/platform/s5p-fimc/mipi-csis.c index 22bdf211a2ac..983e81f08cd6 100644 --- a/drivers/media/platform/s5p-fimc/mipi-csis.c +++ b/drivers/media/platform/s5p-fimc/mipi-csis.c @@ -160,6 +160,7 @@ struct csis_pktbuf { * protecting @format and @flags members * @pads: CSIS pads array * @sd: v4l2_subdev associated with CSIS device instance + * @index: the hardware instance index * @pdev: CSIS platform device * @regs: mmaped I/O registers memory * @supplies: CSIS regulator supplies @@ -176,6 +177,7 @@ struct csis_state { struct mutex lock; struct media_pad pads[CSIS_PADS_NUM]; struct v4l2_subdev sd; + u8 index; struct platform_device *pdev; void __iomem *regs; struct regulator_bulk_data supplies[CSIS_NUM_SUPPLIES]; @@ -666,14 +668,15 @@ static int __devinit s5pcsis_probe(struct platform_device *pdev) spin_lock_init(&state->slock); state->pdev = pdev; + state->index = max(0, pdev->id); pdata = pdev->dev.platform_data; - if (pdata == NULL || pdata->phy_enable == NULL) { + if (pdata == NULL) { dev_err(&pdev->dev, "Platform data not fully specified\n"); return -EINVAL; } - if ((pdev->id == 1 && pdata->lanes > CSIS1_MAX_LANES) || + if ((state->index == 1 && pdata->lanes > CSIS1_MAX_LANES) || pdata->lanes > CSIS0_MAX_LANES) { dev_err(&pdev->dev, "Unsupported number of data lanes: %d\n", pdata->lanes); @@ -756,7 +759,6 @@ e_clkput: static int s5pcsis_pm_suspend(struct device *dev, bool runtime) { - struct s5p_platform_mipi_csis *pdata = dev->platform_data; struct platform_device *pdev = to_platform_device(dev); struct v4l2_subdev *sd = platform_get_drvdata(pdev); struct csis_state *state = sd_to_csis_state(sd); @@ -768,7 +770,7 @@ static int s5pcsis_pm_suspend(struct device *dev, bool runtime) mutex_lock(&state->lock); if (state->flags & ST_POWERED) { s5pcsis_stop_stream(state); - ret = pdata->phy_enable(state->pdev, false); + ret = s5p_csis_phy_enable(state->index, false); if (ret) goto unlock; ret = regulator_bulk_disable(CSIS_NUM_SUPPLIES, @@ -787,7 +789,6 @@ static int s5pcsis_pm_suspend(struct device *dev, bool runtime) static int s5pcsis_pm_resume(struct device *dev, bool runtime) { - struct s5p_platform_mipi_csis *pdata = dev->platform_data; struct platform_device *pdev = to_platform_device(dev); struct v4l2_subdev *sd = platform_get_drvdata(pdev); struct csis_state *state = sd_to_csis_state(sd); @@ -805,7 +806,7 @@ static int s5pcsis_pm_resume(struct device *dev, bool runtime) state->supplies); if (ret) goto unlock; - ret = pdata->phy_enable(state->pdev, true); + ret = s5p_csis_phy_enable(state->index, true); if (!ret) { state->flags |= ST_POWERED; } else { diff --git a/include/linux/platform_data/mipi-csis.h b/include/linux/platform_data/mipi-csis.h index c45b1e8d4c2e..2e59e4306766 100644 --- a/include/linux/platform_data/mipi-csis.h +++ b/include/linux/platform_data/mipi-csis.h @@ -11,8 +11,6 @@ #ifndef __PLAT_SAMSUNG_MIPI_CSIS_H_ #define __PLAT_SAMSUNG_MIPI_CSIS_H_ __FILE__ -struct platform_device; - /** * struct s5p_platform_mipi_csis - platform data for S5P MIPI-CSIS driver * @clk_rate: bus clock frequency @@ -34,10 +32,11 @@ struct s5p_platform_mipi_csis { /** * s5p_csis_phy_enable - global MIPI-CSI receiver D-PHY control - * @pdev: MIPI-CSIS platform device - * @on: true to enable D-PHY and deassert its reset - * false to disable D-PHY + * @id: MIPI-CSIS harware instance index (0...1) + * @on: true to enable D-PHY and deassert its reset + * false to disable D-PHY + * @return: 0 on success, or negative error code on failure */ -int s5p_csis_phy_enable(struct platform_device *pdev, bool on); +int s5p_csis_phy_enable(int id, bool on); #endif /* __PLAT_SAMSUNG_MIPI_CSIS_H_ */ -- 2.20.1