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authorAdrian Schmutzler <freifunk@adrianschmutzler.de>2020-02-08 21:58:55 +0100
committerAdrian Schmutzler <freifunk@adrianschmutzler.de>2020-02-14 14:10:51 +0100
commit7d7aa2fd924c27829ec25f825481554dd81bce97 (patch)
tree658b87b89331670266163e522ea5fb52535633cb /target/linux/bcm27xx/patches-4.19/950-0443-w1-w1-gpio-Make-GPIO-an-output-for-strong-pullup.patch
parente7bfda2c243e66a75ff966ba04c28b1590b5d24c (diff)
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brcm2708: rename target to bcm27xx
This change makes the names of Broadcom targets consistent by using the common notation based on SoC/CPU ID (which is used internally anyway), bcmXXXX instead of brcmXXXX. This is even used for target TITLE in make menuconfig already, only the short target name used brcm so far. Despite, since subtargets range from bcm2708 to bcm2711, it seems appropriate to use bcm27xx instead of bcm2708 (again, as already done for BOARDNAME). This also renames the packages brcm2708-userland and brcm2708-gpu-fw. Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de> Acked-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/bcm27xx/patches-4.19/950-0443-w1-w1-gpio-Make-GPIO-an-output-for-strong-pullup.patch')
-rw-r--r--target/linux/bcm27xx/patches-4.19/950-0443-w1-w1-gpio-Make-GPIO-an-output-for-strong-pullup.patch27
1 files changed, 27 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-4.19/950-0443-w1-w1-gpio-Make-GPIO-an-output-for-strong-pullup.patch b/target/linux/bcm27xx/patches-4.19/950-0443-w1-w1-gpio-Make-GPIO-an-output-for-strong-pullup.patch
new file mode 100644
index 0000000000..6229fdc38d
--- /dev/null
+++ b/target/linux/bcm27xx/patches-4.19/950-0443-w1-w1-gpio-Make-GPIO-an-output-for-strong-pullup.patch
@@ -0,0 +1,27 @@
+From afea1f84cbda94c47ba4a8f84d16c4330e145a0a Mon Sep 17 00:00:00 2001
+From: Phil Elwell <phil@raspberrypi.org>
+Date: Wed, 12 Jun 2019 17:15:05 +0100
+Subject: [PATCH] w1: w1-gpio: Make GPIO an output for strong pullup
+
+The logic to drive the data line high to implement a strong pullup
+assumed that the pin was already an output - setting a value does
+not change an input.
+
+See: https://github.com/raspberrypi/firmware/issues/1143
+
+Signed-off-by: Phil Elwell <phil@raspberrypi.org>
+---
+ drivers/w1/masters/w1-gpio.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+--- a/drivers/w1/masters/w1-gpio.c
++++ b/drivers/w1/masters/w1-gpio.c
+@@ -33,7 +33,7 @@ static u8 w1_gpio_set_pullup(void *data,
+ * This will OVERRIDE open drain emulation and force-pull
+ * the line high for some time.
+ */
+- gpiod_set_raw_value(pdata->gpiod, 1);
++ gpiod_direction_output_raw(pdata->gpiod, 1);
+ msleep(pdata->pullup_duration);
+ /*
+ * This will simply set the line as input since we are doing