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| author | Sowjanya Komatineni <skomatineni@nvidia.com> | 2020-07-14 21:20:51 -0700 |
|---|---|---|
| committer | Sasha Levin <sashal@kernel.org> | 2024-03-26 18:22:37 -0400 |
| commit | aaa5ef6db779a2ffdac6e2c4e27a042fc85af425 (patch) | |
| tree | ace9a2c0e596cfac50fe06b36debdc4418d73fd0 | |
| parent | 47a13d0b9d8527518639ab5c39667f69d6203e80 (diff) | |
| download | linux-stable-aaa5ef6db779a2ffdac6e2c4e27a042fc85af425.tar.gz linux-stable-aaa5ef6db779a2ffdac6e2c4e27a042fc85af425.tar.bz2 linux-stable-aaa5ef6db779a2ffdac6e2c4e27a042fc85af425.zip | |
gpu: host1x: mipi: Update tegra_mipi_request() to be node based
[ Upstream commit 767598d447aa46411289c5808b0e45e20a1823b4 ]
Tegra CSI driver need a separate MIPI device for each channel as
calibration of corresponding MIPI pads for each channel should
happen independently.
So, this patch updates tegra_mipi_request() API to add a device_node
pointer argument to allow creating mipi device for specific device
node rather than a device.
Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Stable-dep-of: 830c1ded3563 ("drm/tegra: dsi: Fix some error handling paths in tegra_dsi_probe()")
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/gpu/drm/tegra/dsi.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/host1x/mipi.c | 4 | ||||
| -rw-r--r-- | include/linux/host1x.h | 3 |
3 files changed, 5 insertions, 4 deletions
diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c index 70cc960d3ff5..7033ab28f771 100644 --- a/drivers/gpu/drm/tegra/dsi.c +++ b/drivers/gpu/drm/tegra/dsi.c @@ -1543,7 +1543,7 @@ static int tegra_dsi_probe(struct platform_device *pdev) if (IS_ERR(dsi->regs)) return PTR_ERR(dsi->regs); - dsi->mipi = tegra_mipi_request(&pdev->dev); + dsi->mipi = tegra_mipi_request(&pdev->dev, pdev->dev.of_node); if (IS_ERR(dsi->mipi)) return PTR_ERR(dsi->mipi); diff --git a/drivers/gpu/host1x/mipi.c b/drivers/gpu/host1x/mipi.c index e00809d996a2..762d349ad00f 100644 --- a/drivers/gpu/host1x/mipi.c +++ b/drivers/gpu/host1x/mipi.c @@ -206,9 +206,9 @@ static int tegra_mipi_power_down(struct tegra_mipi *mipi) return 0; } -struct tegra_mipi_device *tegra_mipi_request(struct device *device) +struct tegra_mipi_device *tegra_mipi_request(struct device *device, + struct device_node *np) { - struct device_node *np = device->of_node; struct tegra_mipi_device *dev; struct of_phandle_args args; int err; diff --git a/include/linux/host1x.h b/include/linux/host1x.h index aef6e2f73802..903c0ec20444 100644 --- a/include/linux/host1x.h +++ b/include/linux/host1x.h @@ -327,7 +327,8 @@ int host1x_client_unregister(struct host1x_client *client); struct tegra_mipi_device; -struct tegra_mipi_device *tegra_mipi_request(struct device *device); +struct tegra_mipi_device *tegra_mipi_request(struct device *device, + struct device_node *np); void tegra_mipi_free(struct tegra_mipi_device *device); int tegra_mipi_enable(struct tegra_mipi_device *device); int tegra_mipi_disable(struct tegra_mipi_device *device); |