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113 lines
3.5 KiB
Diff
113 lines
3.5 KiB
Diff
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From 068c8b508a0501de9bda9d6d9a8c4ddc06cf7ff8 Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.com>
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Date: Wed, 4 Nov 2020 11:25:02 +0000
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Subject: [PATCH] overlays: Deprecate and delete the sdtweak overlay
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The sdtweak overlay has been superseded by the board-specific
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sd_* parameters such as sd_poll_once, sd_overclock etc.
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For example, replace:
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dtoverlay=sdtweak,poll_once
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with:
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dtparam=sd_poll_once
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Signed-off-by: Phil Elwell <phil@raspberrypi.com>
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---
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arch/arm/boot/dts/overlays/Makefile | 1 -
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arch/arm/boot/dts/overlays/README | 27 +++----------------
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arch/arm/boot/dts/overlays/overlay_map.dts | 4 +++
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.../arm/boot/dts/overlays/sdtweak-overlay.dts | 25 -----------------
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4 files changed, 8 insertions(+), 49 deletions(-)
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delete mode 100644 arch/arm/boot/dts/overlays/sdtweak-overlay.dts
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--- a/arch/arm/boot/dts/overlays/Makefile
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+++ b/arch/arm/boot/dts/overlays/Makefile
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@@ -158,7 +158,6 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
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sc16is752-spi1.dtbo \
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sdhost.dtbo \
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sdio.dtbo \
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- sdtweak.dtbo \
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sh1106-spi.dtbo \
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smi.dtbo \
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smi-dev.dtbo \
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--- a/arch/arm/boot/dts/overlays/README
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+++ b/arch/arm/boot/dts/overlays/README
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@@ -2409,29 +2409,10 @@ Load: <Deprecated>
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Name: sdtweak
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-Info: Tunes the bcm2835-sdhost SD/MMC driver
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- N.B. This functionality is now available via the sd_* dtparams in the
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- base DTB.
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-Load: dtoverlay=sdtweak,<param>=<val>
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-Params: overclock_50 Clock (in MHz) to use when the MMC framework
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- requests 50MHz
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-
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- force_pio Disable DMA support (default off)
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-
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- pio_limit Number of blocks above which to use DMA
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- (default 1)
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-
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- debug Enable debug output (default off)
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-
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- poll_once Looks for a card once after booting. Useful
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- for network booting scenarios to avoid the
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- overhead of continuous polling. N.B. Using
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- this option restricts the system to using a
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- single card per boot (or none at all).
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- (default off)
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-
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- enable Set to off to completely disable the interface
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- (default on)
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+Info: This overlay is now deprecated. Use the sd_* dtparams in the
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+ base DTB, e.g. "dtoverlay=sdtweak,poll_once" becomes
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+ "dtparam=sd_poll_once".
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+Load: <Deprecated>
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Name: sh1106-spi
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--- a/arch/arm/boot/dts/overlays/overlay_map.dts
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+++ b/arch/arm/boot/dts/overlays/overlay_map.dts
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@@ -61,6 +61,10 @@
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deprecated = "use sdio,bus_width=1,gpios_22_25";
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};
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+ sdtweak {
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+ deprecated = "use 'dtparam=sd_poll_once' etc.";
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+ };
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+
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spi0-cs {
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renamed = "spi0-2cs";
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};
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--- a/arch/arm/boot/dts/overlays/sdtweak-overlay.dts
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+++ /dev/null
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@@ -1,25 +0,0 @@
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-/dts-v1/;
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-/plugin/;
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-
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-/* Provide backwards compatible aliases for the old sdhost dtparams. */
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-
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-/{
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- compatible = "brcm,bcm2835";
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-
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- fragment@0 {
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- target = <&sdhost>;
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- frag0: __overlay__ {
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- brcm,overclock-50 = <0>;
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- brcm,pio-limit = <1>;
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- };
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- };
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-
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- __overrides__ {
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- overclock_50 = <&frag0>,"brcm,overclock-50:0";
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- force_pio = <&frag0>,"brcm,force-pio?";
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- pio_limit = <&frag0>,"brcm,pio-limit:0";
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- debug = <&frag0>,"brcm,debug?";
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- enable = <&frag0>,"status";
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- poll_once = <&frag0>,"non-removable?";
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- };
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-};
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