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fce21ae4cc
Right now all brcm2708 patches are extracted from the non-mainline raspberrypi/linux git tree. Many of them are hacks and/or are unneeded in LEDE. Raspberry Pi is getting better and better mainline support so it would be nice to finally start maintaining patches in a cleaner way: 1) Backport patches accepted in upstream tree 2) Start using upstream drivers 3) Pick only these patches that are needed for more complete support Handling above tasks requires grouping patches - ideally using the same prefixes as generic ones. It means we should rename existing patches to use some high prefix. This will allow e.g. use 0xx for backported code. Signed-off-by: Rafał Miłecki <rafal@milecki.pl> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Acked-by: Stijn Tintel <stijn@linux-ipv6.be>
43 lines
1.5 KiB
Diff
43 lines
1.5 KiB
Diff
From 34454ca8cf9b63b0973fb23271810461a45a9884 Mon Sep 17 00:00:00 2001
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From: Eric Anholt <eric@anholt.net>
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Date: Wed, 14 Sep 2016 09:16:19 +0100
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Subject: [PATCH] raspberrypi-firmware: Export the general transaction
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function.
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The vc4-firmware-kms module is going to be doing the MBOX FB call.
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Signed-off-by: Eric Anholt <eric@anholt.net>
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---
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drivers/firmware/raspberrypi.c | 3 ++-
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include/soc/bcm2835/raspberrypi-firmware.h | 1 +
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2 files changed, 3 insertions(+), 1 deletion(-)
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--- a/drivers/firmware/raspberrypi.c
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+++ b/drivers/firmware/raspberrypi.c
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@@ -42,7 +42,7 @@ static void response_callback(struct mbo
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* Sends a request to the firmware through the BCM2835 mailbox driver,
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* and synchronously waits for the reply.
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*/
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-static int
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+int
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rpi_firmware_transaction(struct rpi_firmware *fw, u32 chan, u32 data)
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{
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u32 message = MBOX_MSG(chan, data);
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@@ -63,6 +63,7 @@ rpi_firmware_transaction(struct rpi_firm
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return ret;
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}
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+EXPORT_SYMBOL_GPL(rpi_firmware_transaction);
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/**
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* rpi_firmware_property_list - Submit firmware property list
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--- a/include/soc/bcm2835/raspberrypi-firmware.h
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+++ b/include/soc/bcm2835/raspberrypi-firmware.h
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@@ -131,5 +131,6 @@ int rpi_firmware_property(struct rpi_fir
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int rpi_firmware_property_list(struct rpi_firmware *fw,
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void *data, size_t tag_size);
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struct rpi_firmware *rpi_firmware_get(struct device_node *firmware_node);
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+int rpi_firmware_transaction(struct rpi_firmware *fw, u32 chan, u32 data);
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#endif /* __SOC_RASPBERRY_FIRMWARE_H__ */
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