Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1234895
| From | Tomeu Vizoso <tomeu.vizoso@collabora.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v7 09/20] drm/tegra: Probe dpaux devices on demand |
| Date | 2015-09-29 11:20 +0200 |
| Message-ID | <qdZeP-2b3-39@gated-at.bofh.it> (permalink) |
| References | <qdZeN-2b3-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
When looking up a dpaux device through its OF node, probe it if it
hasn't already.
The goal is to reduce deferred probes to a minimum, as it makes it very
cumbersome to find out why a device failed to probe, and can introduce
very big delays in when a critical device is probed.
Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
---
drivers/gpu/drm/tegra/dpaux.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/tegra/dpaux.c b/drivers/gpu/drm/tegra/dpaux.c
index 224a7dc8e4ed..96a2eec7e020 100644
--- a/drivers/gpu/drm/tegra/dpaux.c
+++ b/drivers/gpu/drm/tegra/dpaux.c
@@ -12,6 +12,7 @@
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/of_gpio.h>
+#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/reset.h>
#include <linux/regulator/consumer.h>
@@ -439,6 +440,8 @@ struct tegra_dpaux *tegra_dpaux_find_by_of_node(struct device_node *np)
{
struct tegra_dpaux *dpaux;
+ of_device_probe(np);
+
mutex_lock(&dpaux_lock);
list_for_each_entry(dpaux, &dpaux_list, list)
--
2.4.3
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
[PATCH v7 0/20] On-demand device probing Tomeu Vizoso <tomeu.vizoso@collabora.com> - 2015-09-29 11:20 +0200 [PATCH v7 20/20] of/platform: Defer probes of registered devices Tomeu Vizoso <tomeu.vizoso@collabora.com> - 2015-09-29 11:20 +0200 [PATCH v7 13/20] usb: phy: Probe phy devices on demand Tomeu Vizoso <tomeu.vizoso@collabora.com> - 2015-09-29 11:20 +0200 [PATCH v7 09/20] drm/tegra: Probe dpaux devices on demand Tomeu Vizoso <tomeu.vizoso@collabora.com> - 2015-09-29 11:20 +0200 [PATCH v7 15/20] pinctrl: Probe pinctrl devices on demand Tomeu Vizoso <tomeu.vizoso@collabora.com> - 2015-09-29 11:20 +0200 [PATCH v7 06/20] pinctrl: Probe pinctrl devices on demand Tomeu Vizoso <tomeu.vizoso@collabora.com> - 2015-09-29 11:20 +0200 [PATCH v7 03/20] of/platform: Point to struct device from device node Tomeu Vizoso <tomeu.vizoso@collabora.com> - 2015-09-29 11:20 +0200 [PATCH v7 10/20] i2c: core: Probe i2c adapters and devices on demand Tomeu Vizoso <tomeu.vizoso@collabora.com> - 2015-09-29 11:20 +0200 [PATCH v7 17/20] dma: of: Probe DMA controllers on demand Tomeu Vizoso <tomeu.vizoso@collabora.com> - 2015-09-29 11:20 +0200 [PATCH v7 11/20] pwm: Probe PWM chip devices on demand Tomeu Vizoso <tomeu.vizoso@collabora.com> - 2015-09-29 11:20 +0200 [PATCH v7 07/20] regulator: core: Probe regulators on demand Tomeu Vizoso <tomeu.vizoso@collabora.com> - 2015-09-29 11:20 +0200 [PATCH v7 12/20] backlight: Probe backlight devices on demand Tomeu Vizoso <tomeu.vizoso@collabora.com> - 2015-09-29 11:20 +0200 [PATCH v7 04/20] of: add function to allow probing a device from a OF node Tomeu Vizoso <tomeu.vizoso@collabora.com> - 2015-09-29 11:20 +0200
csiph-web