diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-4.19/950-0117-i2c-gpio-Also-set-bus-numbers-from-reg-property.patch')
-rw-r--r-- | target/linux/bcm27xx/patches-4.19/950-0117-i2c-gpio-Also-set-bus-numbers-from-reg-property.patch | 35 |
1 files changed, 0 insertions, 35 deletions
diff --git a/target/linux/bcm27xx/patches-4.19/950-0117-i2c-gpio-Also-set-bus-numbers-from-reg-property.patch b/target/linux/bcm27xx/patches-4.19/950-0117-i2c-gpio-Also-set-bus-numbers-from-reg-property.patch deleted file mode 100644 index 6103e82d88..0000000000 --- a/target/linux/bcm27xx/patches-4.19/950-0117-i2c-gpio-Also-set-bus-numbers-from-reg-property.patch +++ /dev/null @@ -1,35 +0,0 @@ -From b7e22249959b8111e3d8fe7a78afa6a7b0420350 Mon Sep 17 00:00:00 2001 -From: Phil Elwell <phil@raspberrypi.org> -Date: Tue, 20 Feb 2018 10:07:27 +0000 -Subject: [PATCH] i2c-gpio: Also set bus numbers from reg property - -I2C busses can be assigned specific bus numbers using aliases in -Device Tree - string properties where the name is the alias and the -value is the path to the node. The current DT parameter mechanism -does not allow property names to be derived from a parameter value -in any way, so it isn't possible to generate unique or matching -aliases for nodes from an overlay that can generate multiple -instances, e.g. i2c-gpio. - -Work around this limitation (at least temporarily) by allowing -the i2c adapter number to be initialised from the "reg" property -if present. - -Signed-off-by: Phil Elwell <phil@raspberrypi.org> ---- - drivers/i2c/busses/i2c-gpio.c | 4 +++- - 1 file changed, 3 insertions(+), 1 deletion(-) - ---- a/drivers/i2c/busses/i2c-gpio.c -+++ b/drivers/i2c/busses/i2c-gpio.c -@@ -350,7 +350,9 @@ static int i2c_gpio_probe(struct platfor - adap->dev.parent = dev; - adap->dev.of_node = np; - -- adap->nr = pdev->id; -+ if (pdev->id != PLATFORM_DEVID_NONE || !pdev->dev.of_node || -+ of_property_read_u32(pdev->dev.of_node, "reg", &adap->nr)) -+ adap->nr = pdev->id; - ret = i2c_bit_add_numbered_bus(adap); - if (ret) - return ret; |