From 8892c1d6ce14da3baac8512974e20f129bb9a34e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= Date: Fri, 24 Jul 2015 19:34:55 +0200 Subject: [PATCH 147/203] 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 --- 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,