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33c413c679
* Rework patches for sunxi 5.15.4
* Rework patches sunxi for 5.15.5
* Kernel switch tag=v5.15.5 for sunxi EDGE
* Temporarily disabled, requires rework.
drivers/clk/sunxi-ng/sun8i-de33.c: In function ‘sunxi_de33_clk_probe’:
drivers/clk/sunxi-ng/sun8i-de33.c:155:8:
error: implicit declaration of function ‘sunxi_ccu_probe’;
did you mean ‘of_sunxi_ccu_probe’? [-Werror=implicit-function-declarati>
ret = sunxi_ccu_probe(pdev->dev.of_node, reg, ccu_desc);
^~~~~~~~~~~~~~~
of_sunxi_ccu_probe
cc1: some warnings being treated as errors
make[3]: *** [scripts/Makefile.build:277:
drivers/clk/sunxi-ng/sun8i-de33.o] Error 1
make[2]: *** [scripts/Makefile.build:540: drivers/clk/sunxi-ng] Error 2
* Correct the comment.
72 lines
2.0 KiB
Diff
72 lines
2.0 KiB
Diff
From ca3d21421100cb85a5d98b1c08aa9fa78c91ec95 Mon Sep 17 00:00:00 2001
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From: Ondrej Jirman <megous@megous.com>
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Date: Thu, 3 Dec 2020 20:00:41 +0100
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Subject: [PATCH 277/467] misc: modem-power: GPIO debugging API
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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 | 34 ++++++++++++++++++++++++++++++++++
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1 file changed, 34 insertions(+)
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diff --git a/drivers/misc/modem-power.c b/drivers/misc/modem-power.c
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index 91d2bfdd1..0a5f37eb4 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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@@ -1300,12 +1300,45 @@ static ssize_t hard_reset_store(struct device *dev,
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return len;
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}
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+static ssize_t debug_pins_store(struct device *dev,
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+ struct device_attribute *attr,
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+ const char *buf, size_t len)
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+{
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+ struct mpwr_dev *mpwr = platform_get_drvdata(to_platform_device(dev));
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+ unsigned val;
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+ int ret;
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+
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+ if (test_bit(MPWR_F_BLOCKED, mpwr->flags))
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+ return -EPERM;
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+
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+ ret = kstrtouint(buf, 16, &val);
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+ if (ret)
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+ return ret;
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+
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+ gpiod_direction_output(mpwr->host_ready_gpio, val & BIT(0));
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+ gpiod_direction_output(mpwr->enable_gpio, val & BIT(1));
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+ gpiod_direction_output(mpwr->dtr_gpio, val & BIT(2));
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+ gpiod_direction_output(mpwr->rts_gpio, val & BIT(3));
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+
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+ return len;
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+}
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+
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+static ssize_t debug_pins_show(struct device *dev,
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+ struct device_attribute *attr, char *buf)
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+{
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+ struct mpwr_dev *mpwr = platform_get_drvdata(to_platform_device(dev));
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+
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+ return scnprintf(buf, PAGE_SIZE, "CTS=%u RI=%u\n",
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+ gpiod_get_value(mpwr->cts_gpio), gpiod_get_value(mpwr->wakeup_gpio));
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+}
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+
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static DEVICE_ATTR_RW(powered);
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static DEVICE_ATTR_WO(powered_blocking);
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static DEVICE_ATTR_RO(killswitched);
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static DEVICE_ATTR_RO(is_busy);
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static DEVICE_ATTR_RO(help);
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static DEVICE_ATTR_WO(hard_reset);
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+static DEVICE_ATTR_RW(debug_pins);
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static struct attribute *mpwr_attrs[] = {
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&dev_attr_powered.attr,
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@@ -1314,6 +1347,7 @@ static struct attribute *mpwr_attrs[] = {
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&dev_attr_is_busy.attr,
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&dev_attr_help.attr,
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&dev_attr_hard_reset.attr,
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+ &dev_attr_debug_pins.attr,
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NULL,
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};
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--
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2.34.0
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