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7d7aa2fd92
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>
36 lines
1.3 KiB
Diff
36 lines
1.3 KiB
Diff
From b7e22249959b8111e3d8fe7a78afa6a7b0420350 Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.org>
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Date: Tue, 20 Feb 2018 10:07:27 +0000
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Subject: [PATCH] i2c-gpio: Also set bus numbers from reg property
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I2C busses can be assigned specific bus numbers using aliases in
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Device Tree - string properties where the name is the alias and the
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value is the path to the node. The current DT parameter mechanism
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does not allow property names to be derived from a parameter value
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in any way, so it isn't possible to generate unique or matching
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aliases for nodes from an overlay that can generate multiple
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instances, e.g. i2c-gpio.
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Work around this limitation (at least temporarily) by allowing
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the i2c adapter number to be initialised from the "reg" property
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if present.
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Signed-off-by: Phil Elwell <phil@raspberrypi.org>
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---
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drivers/i2c/busses/i2c-gpio.c | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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--- a/drivers/i2c/busses/i2c-gpio.c
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+++ b/drivers/i2c/busses/i2c-gpio.c
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@@ -350,7 +350,9 @@ static int i2c_gpio_probe(struct platfor
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adap->dev.parent = dev;
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adap->dev.of_node = np;
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- adap->nr = pdev->id;
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+ if (pdev->id != PLATFORM_DEVID_NONE || !pdev->dev.of_node ||
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+ of_property_read_u32(pdev->dev.of_node, "reg", &adap->nr))
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+ adap->nr = pdev->id;
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ret = i2c_bit_add_numbered_bus(adap);
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if (ret)
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return ret;
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