Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1323923

[PATCH] pinctrl: sunxi: H3 requires irq_read_needs_mux

From Krzysztof Adamski <krzysztof.adamski@sonymobile.com>
Newsgroups linux.kernel
Subject [PATCH] pinctrl: sunxi: H3 requires irq_read_needs_mux
Date 2016-02-02 11:10 +0100
Message-ID <qXG4k-ZH-43@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

Show all headers | View raw


It seems that on H3, just like on A10, when GPIOs are configured as
external interrupt data registers does not contain their value.  When
value is read, GPIO function must be temporary switched to input for
reads.

Signed-off-by: Krzysztof Adamski <k@japko.eu>
---
 drivers/pinctrl/sunxi/pinctrl-sun8i-h3.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/pinctrl/sunxi/pinctrl-sun8i-h3.c b/drivers/pinctrl/sunxi/pinctrl-sun8i-h3.c
index 77d4cf0..11760bb 100644
--- a/drivers/pinctrl/sunxi/pinctrl-sun8i-h3.c
+++ b/drivers/pinctrl/sunxi/pinctrl-sun8i-h3.c
@@ -492,6 +492,7 @@ static const struct sunxi_pinctrl_desc sun8i_h3_pinctrl_data = {
 	.pins = sun8i_h3_pins,
 	.npins = ARRAY_SIZE(sun8i_h3_pins),
 	.irq_banks = 2,
+	.irq_read_needs_mux = true
 };
 
 static int sun8i_h3_pinctrl_probe(struct platform_device *pdev)
-- 
2.4.2

Back to linux.kernel | Previous | NextNext in thread | Find similar | Unroll thread


Thread

[PATCH] pinctrl: sunxi: H3 requires irq_read_needs_mux Krzysztof Adamski <krzysztof.adamski@sonymobile.com> - 2016-02-02 11:10 +0100
  Re: [PATCH] pinctrl: sunxi: H3 requires irq_read_needs_mux Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-02-02 14:30 +0100

csiph-web