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As usual, this patches were taken (and rebased) from https://github.com/raspberrypi/linux/commits/rpi-4.1.y Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com> SVN-Revision: 47258
90 lines
2.9 KiB
Diff
90 lines
2.9 KiB
Diff
From 8892c1d6ce14da3baac8512974e20f129bb9a34e Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= <noralf@tronnes.org>
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Date: Fri, 24 Jul 2015 19:34:55 +0200
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Subject: [PATCH 147/203] Revert "firmware: bcm2835: Support legacy mailbox
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API"
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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This reverts commit 40aa3c4f0c430cd5c574498f4d1d5e9f0bc1cf11.
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The legacy mailbox API has been removed so this is not needed.
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Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
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---
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drivers/firmware/raspberrypi.c | 15 ++-------------
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include/soc/bcm2835/raspberrypi-firmware.h | 2 --
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2 files changed, 2 insertions(+), 15 deletions(-)
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--- a/drivers/firmware/raspberrypi.c
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+++ b/drivers/firmware/raspberrypi.c
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@@ -19,7 +19,6 @@
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#define MBOX_MSG(chan, data28) (((data28) & ~0xf) | ((chan) & 0xf))
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#define MBOX_CHAN(msg) ((msg) & 0xf)
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#define MBOX_DATA28(msg) ((msg) & ~0xf)
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-#define MBOX_CHAN_VCHIQ 3
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#define MBOX_CHAN_PROPERTY 8
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struct rpi_firmware {
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@@ -27,7 +26,6 @@ struct rpi_firmware {
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struct mbox_chan *chan; /* The property channel. */
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struct completion c;
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u32 enabled;
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- u32 received;
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};
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static struct platform_device *g_pdev;
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@@ -37,7 +35,6 @@ static DEFINE_MUTEX(transaction_lock);
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static void response_callback(struct mbox_client *cl, void *msg)
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{
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struct rpi_firmware *fw = container_of(cl, struct rpi_firmware, cl);
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- fw->received = *(u32 *)msg;
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complete(&fw->c);
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}
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@@ -45,7 +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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-int
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+static 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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@@ -57,8 +54,7 @@ rpi_firmware_transaction(struct rpi_firm
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reinit_completion(&fw->c);
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ret = mbox_send_message(fw->chan, &message);
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if (ret >= 0) {
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- if (chan != MBOX_CHAN_VCHIQ)
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- wait_for_completion(&fw->c);
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+ wait_for_completion(&fw->c);
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ret = 0;
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} else {
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dev_err(fw->cl.dev, "mbox_send_message returned %d\n", ret);
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@@ -67,13 +63,6 @@ rpi_firmware_transaction(struct rpi_firm
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return ret;
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}
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-EXPORT_SYMBOL(rpi_firmware_transaction);
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-
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-u32 rpi_firmware_transaction_received(struct rpi_firmware *fw)
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-{
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- return MBOX_DATA28(fw->received);
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-}
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-EXPORT_SYMBOL(rpi_firmware_transaction_received);
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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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@@ -116,8 +116,6 @@ enum rpi_firmware_property_tag {
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RPI_FIRMWARE_GET_DMA_CHANNELS = 0x00060001,
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};
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-int rpi_firmware_transaction(struct rpi_firmware *fw, u32 chan, u32 data);
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-u32 rpi_firmware_transaction_received(struct rpi_firmware *fw);
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int rpi_firmware_property(struct rpi_firmware *fw,
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u32 tag, void *data, size_t len);
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int rpi_firmware_property_list(struct rpi_firmware *fw,
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