41 lines
1.2 KiB
Diff
41 lines
1.2 KiB
Diff
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From 69eed340ee4b96f39dce24502da9761923a74f17 Mon Sep 17 00:00:00 2001
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From: Ondrej Jirman <megous@megous.com>
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Date: Tue, 8 Sep 2020 11:43:21 +0200
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Subject: [PATCH 181/351] misc: modem-power: Hog CTS/RTS so that userspace
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can't mess with them
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Signed-off-by: Ondrej Jirman <megous@megous.com>
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---
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drivers/misc/modem-power.c | 5 +++++
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1 file changed, 5 insertions(+)
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diff --git a/drivers/misc/modem-power.c b/drivers/misc/modem-power.c
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index 65ec69c7a361..7cb152e8969c 100644
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--- a/drivers/misc/modem-power.c
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+++ b/drivers/misc/modem-power.c
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@@ -132,6 +132,8 @@ struct mpwr_dev {
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struct gpio_desc *sleep_gpio;
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struct gpio_desc *dtr_gpio;
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struct gpio_desc *host_ready_gpio;
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+ struct gpio_desc *cts_gpio;
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+ struct gpio_desc *rts_gpio;
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/* inputs */
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struct gpio_desc *status_gpio;
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@@ -850,9 +852,12 @@ static const struct mpwr_gpio mpwr_eg25_gpios[] = {
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MPWR_GPIO_DEF(status, GPIOD_IN, false),
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MPWR_GPIO_DEF_IRQ(wakeup, GPIOD_IN, true,
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IRQF_TRIGGER_FALLING),
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+
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// XXX: not really needed...
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MPWR_GPIO_DEF(sleep, GPIOD_OUT_LOW, false),
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MPWR_GPIO_DEF(host_ready, GPIOD_OUT_HIGH, false),
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+ MPWR_GPIO_DEF(cts, GPIOD_IN, false),
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+ MPWR_GPIO_DEF(rts, GPIOD_OUT_LOW, false),
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{ },
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};
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--
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2.34.0
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