Re: [PATCH v2 2/3] drm/bridge: parade-ps8640: Move real poweroff action to new function

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Il 19/11/21 14:19, Robert Foss ha scritto:
Hey Angelo,

On Wed, 10 Nov 2021 at 13:46, AngeloGioacchino Del Regno
<angelogioacchino.delregno@xxxxxxxxxxxxx> wrote:

Il 10/11/21 13:44, Dafna Hirschfeld ha scritto:


On 02.11.21 11:36, AngeloGioacchino Del Regno wrote:
In preparation for varying the poweron error handling in function
ps8640_bridge_poweron(), move function ps8640_bridge_poweroff() up
and also move the actual logic to power off the chip to a new
__ps8640_bridge_poweroff() function.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
---
   drivers/gpu/drm/bridge/parade-ps8640.c | 37 ++++++++++++++------------
   1 file changed, 20 insertions(+), 17 deletions(-)

diff --git a/drivers/gpu/drm/bridge/parade-ps8640.c
b/drivers/gpu/drm/bridge/parade-ps8640.c
index 8c5402947b3c..41f5d511d516 100644
--- a/drivers/gpu/drm/bridge/parade-ps8640.c
+++ b/drivers/gpu/drm/bridge/parade-ps8640.c
@@ -293,6 +293,26 @@ static int ps8640_bridge_vdo_control(struct ps8640 *ps_bridge,
       return 0;
   }
+static void __ps8640_bridge_poweroff(struct ps8640 *ps_bridge)
+{
+    gpiod_set_value(ps_bridge->gpio_reset, 1);
+    gpiod_set_value(ps_bridge->gpio_powerdown, 1);
+    if (regulator_bulk_disable(ARRAY_SIZE(ps_bridge->supplies),
+                   ps_bridge->supplies)) {
+        DRM_ERROR("cannot disable regulators\n");
+    }

That '{' is redundant

Thanks,
Danfa


Hi Dafna,
the braces were added as a way to increase human readability.

Not to bikeshed this, but the kernel style guide is clear about this.
No unneeded braces should be used where a single statement will do.


Hey Robert!

That's right, style rules come before personal preferences.
I'll send a v3 without the braces as soon as possible!

Cheers,
- Angelo



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