0b5d87fd30
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: 46853
89 lines
2.9 KiB
Diff
89 lines
2.9 KiB
Diff
From 345d2517a2e371b0b21c17f6667f68de602abdd2 Mon Sep 17 00:00:00 2001
|
|
From: =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= <noralf@tronnes.org>
|
|
Date: Fri, 24 Jul 2015 19:34:55 +0200
|
|
Subject: [PATCH 147/171] Revert "firmware: bcm2835: Support legacy mailbox
|
|
API"
|
|
MIME-Version: 1.0
|
|
Content-Type: text/plain; charset=UTF-8
|
|
Content-Transfer-Encoding: 8bit
|
|
|
|
This reverts commit 40aa3c4f0c430cd5c574498f4d1d5e9f0bc1cf11.
|
|
|
|
The legacy mailbox API has been removed so this is not needed.
|
|
|
|
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
|
|
---
|
|
drivers/firmware/raspberrypi.c | 15 ++-------------
|
|
include/soc/bcm2835/raspberrypi-firmware.h | 2 --
|
|
2 files changed, 2 insertions(+), 15 deletions(-)
|
|
|
|
--- a/drivers/firmware/raspberrypi.c
|
|
+++ b/drivers/firmware/raspberrypi.c
|
|
@@ -19,7 +19,6 @@
|
|
#define MBOX_MSG(chan, data28) (((data28) & ~0xf) | ((chan) & 0xf))
|
|
#define MBOX_CHAN(msg) ((msg) & 0xf)
|
|
#define MBOX_DATA28(msg) ((msg) & ~0xf)
|
|
-#define MBOX_CHAN_VCHIQ 3
|
|
#define MBOX_CHAN_PROPERTY 8
|
|
|
|
struct rpi_firmware {
|
|
@@ -27,7 +26,6 @@ struct rpi_firmware {
|
|
struct mbox_chan *chan; /* The property channel. */
|
|
struct completion c;
|
|
u32 enabled;
|
|
- u32 received;
|
|
};
|
|
|
|
static struct platform_device *g_pdev;
|
|
@@ -37,7 +35,6 @@ static DEFINE_MUTEX(transaction_lock);
|
|
static void response_callback(struct mbox_client *cl, void *msg)
|
|
{
|
|
struct rpi_firmware *fw = container_of(cl, struct rpi_firmware, cl);
|
|
- fw->received = *(u32 *)msg;
|
|
complete(&fw->c);
|
|
}
|
|
|
|
@@ -45,7 +42,7 @@ static void response_callback(struct mbo
|
|
* Sends a request to the firmware through the BCM2835 mailbox driver,
|
|
* and synchronously waits for the reply.
|
|
*/
|
|
-int
|
|
+static int
|
|
rpi_firmware_transaction(struct rpi_firmware *fw, u32 chan, u32 data)
|
|
{
|
|
u32 message = MBOX_MSG(chan, data);
|
|
@@ -57,8 +54,7 @@ rpi_firmware_transaction(struct rpi_firm
|
|
reinit_completion(&fw->c);
|
|
ret = mbox_send_message(fw->chan, &message);
|
|
if (ret >= 0) {
|
|
- if (chan != MBOX_CHAN_VCHIQ)
|
|
- wait_for_completion(&fw->c);
|
|
+ wait_for_completion(&fw->c);
|
|
ret = 0;
|
|
} else {
|
|
dev_err(fw->cl.dev, "mbox_send_message returned %d\n", ret);
|
|
@@ -67,13 +63,6 @@ rpi_firmware_transaction(struct rpi_firm
|
|
|
|
return ret;
|
|
}
|
|
-EXPORT_SYMBOL(rpi_firmware_transaction);
|
|
-
|
|
-u32 rpi_firmware_transaction_received(struct rpi_firmware *fw)
|
|
-{
|
|
- return MBOX_DATA28(fw->received);
|
|
-}
|
|
-EXPORT_SYMBOL(rpi_firmware_transaction_received);
|
|
|
|
/**
|
|
* rpi_firmware_property_list - Submit firmware property list
|
|
--- a/include/soc/bcm2835/raspberrypi-firmware.h
|
|
+++ b/include/soc/bcm2835/raspberrypi-firmware.h
|
|
@@ -116,8 +116,6 @@ enum rpi_firmware_property_tag {
|
|
RPI_FIRMWARE_GET_DMA_CHANNELS = 0x00060001,
|
|
};
|
|
|
|
-int rpi_firmware_transaction(struct rpi_firmware *fw, u32 chan, u32 data);
|
|
-u32 rpi_firmware_transaction_received(struct rpi_firmware *fw);
|
|
int rpi_firmware_property(struct rpi_firmware *fw,
|
|
u32 tag, void *data, size_t len);
|
|
int rpi_firmware_property_list(struct rpi_firmware *fw,
|