diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-07-14 16:36:51 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-07-14 16:36:51 -0700 |
commit | fde7dc63b1caa6dedf9af7cbf79895589629bc95 (patch) | |
tree | b719b754a9b65be628a30a2a9cc041d0f43eeaf6 | |
parent | a1240cf74e8228f7c80d44af17914c0ffc5633fb (diff) | |
parent | 25777e5784a7b417967460d4fcf9660d05a0c320 (diff) |
Merge tag 'mailbox-v5.3' of git://git.linaro.org/landing-teams/working/fujitsu/integration
Pull mailbox updates from Jassi Brar:
- stm32: race fix by adding a spinlock
- mhu: trim included headers
- omap: add support for K3 SoCs
- imx: Irq disable fix
- bcm: tidy up extracting driver data
- tegra: make resume 'noirq'
- api: fix error handling
* tag 'mailbox-v5.3' of git://git.linaro.org/landing-teams/working/fujitsu/integration:
mailbox: handle failed named mailbox channel request
mailbox: tegra: avoid resume NULL mailboxes
mailbox: tegra: hsp: add noirq resume
mailbox: bcm-flexrm-mailbox: using dev_get_drvdata directly
mailbox: imx: Clear GIEn bit at shutdown
mailbox: omap: Add support for TI K3 SoCs
dt-bindings: mailbox: omap: Update bindings for TI K3 SoCs
mailbox: arm_mhu: reorder header inclusion and drop unneeded ones
mailbox: stm32_ipcc: add spinlock to fix channels concurrent access
-rw-r--r-- | Documentation/devicetree/bindings/mailbox/omap-mailbox.txt | 59 | ||||
-rw-r--r-- | drivers/mailbox/Kconfig | 2 | ||||
-rw-r--r-- | drivers/mailbox/arm_mhu.c | 11 | ||||
-rw-r--r-- | drivers/mailbox/bcm-flexrm-mailbox.c | 6 | ||||
-rw-r--r-- | drivers/mailbox/imx-mailbox.c | 4 | ||||
-rw-r--r-- | drivers/mailbox/mailbox.c | 6 | ||||
-rw-r--r-- | drivers/mailbox/omap-mailbox.c | 43 | ||||
-rw-r--r-- | drivers/mailbox/stm32-ipcc.c | 37 | ||||
-rw-r--r-- | drivers/mailbox/tegra-hsp.c | 20 | ||||
-rw-r--r-- | include/linux/omap-mailbox.h | 4 |
10 files changed, 134 insertions, 58 deletions
diff --git a/Documentation/devicetree/bindings/mailbox/omap-mailbox.txt b/Documentation/devicetree/bindings/mailbox/omap-mailbox.txt index 0ef372656a3e..35c3f56b7f7b 100644 --- a/Documentation/devicetree/bindings/mailbox/omap-mailbox.txt +++ b/Documentation/devicetree/bindings/mailbox/omap-mailbox.txt @@ -1,4 +1,4 @@ -OMAP2+ Mailbox Driver +OMAP2+ and K3 Mailbox ===================== The OMAP mailbox hardware facilitates communication between different processors @@ -7,7 +7,7 @@ various processor subsystems and is connected on an interconnect bus. The communication is achieved through a set of registers for message storage and interrupt configuration registers. -Each mailbox IP block has a certain number of h/w fifo queues and output +Each mailbox IP block/cluster has a certain number of h/w fifo queues and output interrupt lines. An output interrupt line is routed to an interrupt controller within a processor subsystem, and there can be more than one line going to a specific processor's interrupt controller. The interrupt line connections are @@ -23,12 +23,16 @@ All the current OMAP SoCs except for the newest DRA7xx SoC has a single IP instance. DRA7xx has multiple instances with different number of h/w fifo queues and interrupt lines between different instances. The interrupt lines can also be routed to different processor sub-systems on DRA7xx as they are routed through -the Crossbar, a kind of interrupt router/multiplexer. +the Crossbar, a kind of interrupt router/multiplexer. The K3 AM65x and J721E +SoCs has each of these instances form a cluster and combine multiple clusters +into a single IP block present within the Main NavSS. The interrupt lines from +all these clusters are multiplexed and routed to different processor subsystems +over a limited number of common interrupt output lines of an Interrupt Router. Mailbox Device Node: ==================== -A Mailbox device node is used to represent a Mailbox IP instance within a SoC. -The sub-mailboxes are represented as child nodes of this parent node. +A Mailbox device node is used to represent a Mailbox IP instance/cluster within +a SoC. The sub-mailboxes are represented as child nodes of this parent node. Required properties: -------------------- @@ -37,12 +41,12 @@ Required properties: "ti,omap3-mailbox" for OMAP3430, OMAP3630 SoCs "ti,omap4-mailbox" for OMAP44xx, OMAP54xx, AM33xx, AM43xx and DRA7xx SoCs + "ti,am654-mailbox" for K3 AM65x and J721E SoCs - reg: Contains the mailbox register address range (base address and length) - interrupts: Contains the interrupt information for the mailbox device. The format is dependent on which interrupt - controller the OMAP device uses -- ti,hwmods: Name of the hwmod associated with the mailbox + controller the Mailbox device uses - #mbox-cells: Common mailbox binding property to identify the number of cells required for the mailbox specifier. Should be 1 @@ -50,6 +54,23 @@ Required properties: device can interrupt - ti,mbox-num-fifos: Number of h/w fifo queues within the mailbox IP block +SoC-specific Required properties: +--------------------------------- +The following are mandatory properties for the OMAP architecture based SoCs +only: +- ti,hwmods: Name of the hwmod associated with the mailbox. This + should be defined in the mailbox node only if the node + is not defined as a child node of a corresponding sysc + interconnect node. + +The following are mandatory properties for the K3 AM65x and J721E SoCs only: +- interrupt-parent: Should contain a phandle to the TI-SCI interrupt + controller node that is used to dynamically program + the interrupt routes between the IP and the main GIC + controllers. See the following binding for additional + details, + Documentation/devicetree/bindings/interrupt-controller/ti,sci-intr.txt + Child Nodes: ============ A child node is used for representing the actual sub-mailbox device that is @@ -98,7 +119,7 @@ to be used by the client user. Example: -------- -/* OMAP4 */ +1. /* OMAP4 */ mailbox: mailbox@4a0f4000 { compatible = "ti,omap4-mailbox"; reg = <0x4a0f4000 0x200>; @@ -123,7 +144,7 @@ dsp { ... }; -/* AM33xx */ +2. /* AM33xx */ mailbox: mailbox@480c8000 { compatible = "ti,omap4-mailbox"; reg = <0x480C8000 0x200>; @@ -137,3 +158,23 @@ mailbox: mailbox@480c8000 { ti,mbox-rx = <0 0 3>; }; }; + +3. /* AM65x */ +&cbass_main { + cbass_main_navss: interconnect0 { + mailbox0_cluster0: mailbox@31f80000 { + compatible = "ti,am654-mailbox"; + reg = <0x00 0x31f80000 0x00 0x200>; + #mbox-cells = <1>; + ti,mbox-num-users = <4>; + ti,mbox-num-fifos = <16>; + interrupt-parent = <&intr_main_navss>; + interrupts = <164 0>; + + mbox_mcu_r5fss0_core0: mbox-mcu-r5fss0-core0 { + ti,mbox-tx = <1 0 0>; + ti,mbox-rx = <0 0 0>; + }; + }; + }; +}; diff --git a/drivers/mailbox/Kconfig b/drivers/mailbox/Kconfig index b709481a8de6..ab4eb750bbdd 100644 --- a/drivers/mailbox/Kconfig +++ b/drivers/mailbox/Kconfig @@ -54,7 +54,7 @@ config ARMADA_37XX_RWTM_MBOX config OMAP2PLUS_MBOX tristate "OMAP2+ Mailbox framework support" - depends on ARCH_OMAP2PLUS + depends on ARCH_OMAP2PLUS || ARCH_K3 help Mailbox implementation for OMAP family chips with hardware for interprocessor communication involving DSP, IVA1.0 and IVA2 in diff --git a/drivers/mailbox/arm_mhu.c b/drivers/mailbox/arm_mhu.c index b47851856086..9da236552bd7 100644 --- a/drivers/mailbox/arm_mhu.c +++ b/drivers/mailbox/arm_mhu.c @@ -5,16 +5,13 @@ * Author: Jassi Brar <jaswinder.singh@linaro.org> */ -#include <linux/interrupt.h> -#include <linux/spinlock.h> -#include <linux/mutex.h> -#include <linux/delay.h> -#include <linux/slab.h> +#include <linux/amba/bus.h> +#include <linux/device.h> #include <linux/err.h> +#include <linux/interrupt.h> #include <linux/io.h> -#include <linux/module.h> -#include <linux/amba/bus.h> #include <linux/mailbox_controller.h> +#include <linux/module.h> #define INTR_STAT_OFS 0x0 #define INTR_SET_OFS 0x8 diff --git a/drivers/mailbox/bcm-flexrm-mailbox.c b/drivers/mailbox/bcm-flexrm-mailbox.c index 43b336316fde..8ee9db274802 100644 --- a/drivers/mailbox/bcm-flexrm-mailbox.c +++ b/drivers/mailbox/bcm-flexrm-mailbox.c @@ -1163,8 +1163,7 @@ static int flexrm_process_completions(struct flexrm_ring *ring) static int flexrm_debugfs_conf_show(struct seq_file *file, void *offset) { - struct platform_device *pdev = to_platform_device(file->private); - struct flexrm_mbox *mbox = platform_get_drvdata(pdev); + struct flexrm_mbox *mbox = dev_get_drvdata(file->private); /* Write config in file */ flexrm_write_config_in_seqfile(mbox, file); @@ -1174,8 +1173,7 @@ static int flexrm_debugfs_conf_show(struct seq_file *file, void *offset) static int flexrm_debugfs_stats_show(struct seq_file *file, void *offset) { - struct platform_device *pdev = to_platform_device(file->private); - struct flexrm_mbox *mbox = platform_get_drvdata(pdev); + struct flexrm_mbox *mbox = dev_get_drvdata(file->private); /* Write stats in file */ flexrm_write_stats_in_seqfile(mbox, file); diff --git a/drivers/mailbox/imx-mailbox.c b/drivers/mailbox/imx-mailbox.c index 25be8bb5e371..9f74dee1a58c 100644 --- a/drivers/mailbox/imx-mailbox.c +++ b/drivers/mailbox/imx-mailbox.c @@ -217,8 +217,8 @@ static void imx_mu_shutdown(struct mbox_chan *chan) if (cp->type == IMX_MU_TYPE_TXDB) tasklet_kill(&cp->txdb_tasklet); - imx_mu_xcr_rmw(priv, 0, - IMX_MU_xCR_TIEn(cp->idx) | IMX_MU_xCR_RIEn(cp->idx)); + imx_mu_xcr_rmw(priv, 0, IMX_MU_xCR_TIEn(cp->idx) | + IMX_MU_xCR_RIEn(cp->idx) | IMX_MU_xCR_GIEn(cp->idx)); free_irq(priv->irq, chan); } diff --git a/drivers/mailbox/mailbox.c b/drivers/mailbox/mailbox.c index f4b1950d35f3..0b821a5b2db8 100644 --- a/drivers/mailbox/mailbox.c +++ b/drivers/mailbox/mailbox.c @@ -418,11 +418,13 @@ struct mbox_chan *mbox_request_channel_byname(struct mbox_client *cl, of_property_for_each_string(np, "mbox-names", prop, mbox_name) { if (!strncmp(name, mbox_name, strlen(name))) - break; + return mbox_request_channel(cl, index); index++; } - return mbox_request_channel(cl, index); + dev_err(cl->dev, "%s() could not locate channel named \"%s\"\n", + __func__, name); + return ERR_PTR(-EINVAL); } EXPORT_SYMBOL_GPL(mbox_request_channel_byname); diff --git a/drivers/mailbox/omap-mailbox.c b/drivers/mailbox/omap-mailbox.c index ca50177a33f2..a3cd63583cf7 100644 --- a/drivers/mailbox/omap-mailbox.c +++ b/drivers/mailbox/omap-mailbox.c @@ -3,7 +3,7 @@ * OMAP mailbox driver * * Copyright (C) 2006-2009 Nokia Corporation. All rights reserved. - * Copyright (C) 2013-2016 Texas Instruments Incorporated - http://www.ti.com + * Copyright (C) 2013-2019 Texas Instruments Incorporated - http://www.ti.com * * Contact: Hiroshi DOYU <Hiroshi.DOYU@nokia.com> * Suman Anna <s-anna@ti.com> @@ -141,14 +141,14 @@ void mbox_write_reg(struct omap_mbox_device *mdev, u32 val, size_t ofs) } /* Mailbox FIFO handle functions */ -static mbox_msg_t mbox_fifo_read(struct omap_mbox *mbox) +static u32 mbox_fifo_read(struct omap_mbox *mbox) { struct omap_mbox_fifo *fifo = &mbox->rx_fifo; - return (mbox_msg_t)mbox_read_reg(mbox->parent, fifo->msg); + return mbox_read_reg(mbox->parent, fifo->msg); } -static void mbox_fifo_write(struct omap_mbox *mbox, mbox_msg_t msg) +static void mbox_fifo_write(struct omap_mbox *mbox, u32 msg) { struct omap_mbox_fifo *fifo = &mbox->tx_fifo; @@ -256,14 +256,16 @@ static void mbox_rx_work(struct work_struct *work) { struct omap_mbox_queue *mq = container_of(work, struct omap_mbox_queue, work); - mbox_msg_t msg; + mbox_msg_t data; + u32 msg; int len; while (kfifo_len(&mq->fifo) >= sizeof(msg)) { len = kfifo_out(&mq->fifo, (unsigned char *)&msg, sizeof(msg)); WARN_ON(len != sizeof(msg)); + data = msg; - mbox_chan_received_data(mq->mbox->chan, (void *)msg); + mbox_chan_received_data(mq->mbox->chan, (void *)data); spin_lock_irq(&mq->lock); if (mq->full) { mq->full = false; @@ -286,7 +288,7 @@ static void __mbox_tx_interrupt(struct omap_mbox *mbox) static void __mbox_rx_interrupt(struct omap_mbox *mbox) { struct omap_mbox_queue *mq = mbox->rxq; - mbox_msg_t msg; + u32 msg; int len; while (!mbox_fifo_empty(mbox)) { @@ -540,13 +542,13 @@ static void omap_mbox_chan_shutdown(struct mbox_chan *chan) mutex_unlock(&mdev->cfg_lock); } -static int omap_mbox_chan_send_noirq(struct omap_mbox *mbox, void *data) +static int omap_mbox_chan_send_noirq(struct omap_mbox *mbox, u32 msg) { int ret = -EBUSY; if (!mbox_fifo_full(mbox)) { _omap_mbox_enable_irq(mbox, IRQ_RX); - mbox_fifo_write(mbox, (mbox_msg_t)data); + mbox_fifo_write(mbox, msg); ret = 0; _omap_mbox_disable_irq(mbox, IRQ_RX); @@ -558,12 +560,12 @@ static int omap_mbox_chan_send_noirq(struct omap_mbox *mbox, void *data) return ret; } -static int omap_mbox_chan_send(struct omap_mbox *mbox, void *data) +static int omap_mbox_chan_send(struct omap_mbox *mbox, u32 msg) { int ret = -EBUSY; if (!mbox_fifo_full(mbox)) { - mbox_fifo_write(mbox, (mbox_msg_t)data); + mbox_fifo_write(mbox, msg); ret = 0; } @@ -576,14 +578,15 @@ static int omap_mbox_chan_send_data(struct mbox_chan *chan, void *data) { struct omap_mbox *mbox = mbox_chan_to_omap_mbox(chan); int ret; + u32 msg = omap_mbox_message(data); if (!mbox) return -EINVAL; if (mbox->send_no_irq) - ret = omap_mbox_chan_send_noirq(mbox, data); + ret = omap_mbox_chan_send_noirq(mbox, msg); else - ret = omap_mbox_chan_send(mbox, data); + ret = omap_mbox_chan_send(mbox, msg); return ret; } @@ -657,6 +660,10 @@ static const struct of_device_id omap_mailbox_of_match[] = { .data = &omap4_data, }, { + .compatible = "ti,am654-mailbox", + .data = &omap4_data, + }, + { /* end */ }, }; @@ -830,7 +837,10 @@ static int omap_mbox_probe(struct platform_device *pdev) mdev->intr_type = intr_type; mdev->mboxes = list; - /* OMAP does not have a Tx-Done IRQ, but rather a Tx-Ready IRQ */ + /* + * OMAP/K3 Mailbox IP does not have a Tx-Done IRQ, but rather a Tx-Ready + * IRQ and is needed to run the Tx state machine + */ mdev->controller.txdone_irq = true; mdev->controller.dev = mdev->dev; mdev->controller.ops = &omap_mbox_chan_ops; @@ -899,9 +909,8 @@ static int __init omap_mbox_init(void) return err; /* kfifo size sanity check: alignment and minimal size */ - mbox_kfifo_size = ALIGN(mbox_kfifo_size, sizeof(mbox_msg_t)); - mbox_kfifo_size = max_t(unsigned int, mbox_kfifo_size, - sizeof(mbox_msg_t)); + mbox_kfifo_size = ALIGN(mbox_kfifo_size, sizeof(u32)); + mbox_kfifo_size = max_t(unsigned int, mbox_kfifo_size, sizeof(u32)); err = platform_driver_register(&omap_mbox_driver); if (err) diff --git a/drivers/mailbox/stm32-ipcc.c b/drivers/mailbox/stm32-ipcc.c index f91dfb1327c7..5c2d1e1f988b 100644 --- a/drivers/mailbox/stm32-ipcc.c +++ b/drivers/mailbox/stm32-ipcc.c @@ -50,6 +50,7 @@ struct stm32_ipcc { void __iomem *reg_base; void __iomem *reg_proc; struct clk *clk; + spinlock_t lock; /* protect access to IPCC registers */ int irqs[IPCC_IRQ_NUM]; int wkp; u32 proc_id; @@ -58,14 +59,24 @@ struct stm32_ipcc { u32 xmr; }; -static inline void stm32_ipcc_set_bits(void __iomem *reg, u32 mask) +static inline void stm32_ipcc_set_bits(spinlock_t *lock, void __iomem *reg, + u32 mask) { + unsigned long flags; + + spin_lock_irqsave(lock, flags); writel_relaxed(readl_relaxed(reg) | mask, reg); + spin_unlock_irqrestore(lock, flags); } -static inline void stm32_ipcc_clr_bits(void __iomem *reg, u32 mask) +static inline void stm32_ipcc_clr_bits(spinlock_t *lock, void __iomem *reg, + u32 mask) { + unsigned long flags; + + spin_lock_irqsave(lock, flags); writel_relaxed(readl_relaxed(reg) & ~mask, reg); + spin_unlock_irqrestore(lock, flags); } static irqreturn_t stm32_ipcc_rx_irq(int irq, void *data) @@ -92,7 +103,7 @@ static irqreturn_t stm32_ipcc_rx_irq(int irq, void *data) mbox_chan_received_data(&ipcc->controller.chans[chan], NULL); - stm32_ipcc_set_bits(ipcc->reg_proc + IPCC_XSCR, + stm32_ipcc_set_bits(&ipcc->lock, ipcc->reg_proc + IPCC_XSCR, RX_BIT_CHAN(chan)); ret = IRQ_HANDLED; @@ -121,7 +132,7 @@ static irqreturn_t stm32_ipcc_tx_irq(int irq, void *data) dev_dbg(dev, "%s: chan:%d tx\n", __func__, chan); /* mask 'tx channel free' interrupt */ - stm32_ipcc_set_bits(ipcc->reg_proc + IPCC_XMR, + stm32_ipcc_set_bits(&ipcc->lock, ipcc->reg_proc + IPCC_XMR, TX_BIT_CHAN(chan)); mbox_chan_txdone(&ipcc->controller.chans[chan], 0); @@ -141,10 +152,12 @@ static int stm32_ipcc_send_data(struct mbox_chan *link, void *data) dev_dbg(ipcc->controller.dev, "%s: chan:%d\n", __func__, chan); /* set channel n occupied */ - stm32_ipcc_set_bits(ipcc->reg_proc + IPCC_XSCR, TX_BIT_CHAN(chan)); + stm32_ipcc_set_bits(&ipcc->lock, ipcc->reg_proc + IPCC_XSCR, + TX_BIT_CHAN(chan)); /* unmask 'tx channel free' interrupt */ - stm32_ipcc_clr_bits(ipcc->reg_proc + IPCC_XMR, TX_BIT_CHAN(chan)); + stm32_ipcc_clr_bits(&ipcc->lock, ipcc->reg_proc + IPCC_XMR, + TX_BIT_CHAN(chan)); return 0; } @@ -163,7 +176,8 @@ static int stm32_ipcc_startup(struct mbox_chan *link) } /* unmask 'rx channel occupied' interrupt */ - stm32_ipcc_clr_bits(ipcc->reg_proc + IPCC_XMR, RX_BIT_CHAN(chan)); + stm32_ipcc_clr_bits(&ipcc->lock, ipcc->reg_proc + IPCC_XMR, + RX_BIT_CHAN(chan)); return 0; } @@ -175,7 +189,7 @@ static void stm32_ipcc_shutdown(struct mbox_chan *link) controller); /* mask rx/tx interrupt */ - stm32_ipcc_set_bits(ipcc->reg_proc + IPCC_XMR, + stm32_ipcc_set_bits(&ipcc->lock, ipcc->reg_proc + IPCC_XMR, RX_BIT_CHAN(chan) | TX_BIT_CHAN(chan)); clk_disable_unprepare(ipcc->clk); @@ -208,6 +222,8 @@ static int stm32_ipcc_probe(struct platform_device *pdev) if (!ipcc) return -ENOMEM; + spin_lock_init(&ipcc->lock); + /* proc_id */ if (of_property_read_u32(np, "st,proc-id", &ipcc->proc_id)) { dev_err(dev, "Missing st,proc-id\n"); @@ -259,9 +275,10 @@ static int stm32_ipcc_probe(struct platform_device *pdev) } /* mask and enable rx/tx irq */ - stm32_ipcc_set_bits(ipcc->reg_proc + IPCC_XMR, + stm32_ipcc_set_bits(&ipcc->lock, ipcc->reg_proc + IPCC_XMR, RX_BIT_MASK | TX_BIT_MASK); - stm32_ipcc_set_bits(ipcc->reg_proc + IPCC_XCR, XCR_RXOIE | XCR_TXOIE); + stm32_ipcc_set_bits(&ipcc->lock, ipcc->reg_proc + IPCC_XCR, + XCR_RXOIE | XCR_TXOIE); /* wakeup */ if (of_property_read_bool(np, "wakeup-source")) { diff --git a/drivers/mailbox/tegra-hsp.c b/drivers/mailbox/tegra-hsp.c index 91f1a0c62779..4c5ba35d48d4 100644 --- a/drivers/mailbox/tegra-hsp.c +++ b/drivers/mailbox/tegra-hsp.c @@ -775,18 +775,28 @@ static int __maybe_unused tegra_hsp_resume(struct device *dev) { struct tegra_hsp *hsp = dev_get_drvdata(dev); unsigned int i; + struct tegra_hsp_doorbell *db; - for (i = 0; i < hsp->num_sm; i++) { - struct tegra_hsp_mailbox *mb = &hsp->mailboxes[i]; + list_for_each_entry(db, &hsp->doorbells, list) { + if (db && db->channel.chan) + tegra_hsp_doorbell_startup(db->channel.chan); + } + + if (hsp->mailboxes) { + for (i = 0; i < hsp->num_sm; i++) { + struct tegra_hsp_mailbox *mb = &hsp->mailboxes[i]; - if (mb->channel.chan->cl) - tegra_hsp_mailbox_startup(mb->channel.chan); + if (mb->channel.chan->cl) + tegra_hsp_mailbox_startup(mb->channel.chan); + } } return 0; } -static SIMPLE_DEV_PM_OPS(tegra_hsp_pm_ops, NULL, tegra_hsp_resume); +static const struct dev_pm_ops tegra_hsp_pm_ops = { + .resume_noirq = tegra_hsp_resume, +}; static const struct tegra_hsp_db_map tegra186_hsp_db_map[] = { { "ccplex", TEGRA_HSP_DB_MASTER_CCPLEX, HSP_DB_CCPLEX, }, diff --git a/include/linux/omap-mailbox.h b/include/linux/omap-mailbox.h index 6dbcd2da0332..8aa984ec1f38 100644 --- a/include/linux/omap-mailbox.h +++ b/include/linux/omap-mailbox.h @@ -6,7 +6,9 @@ #ifndef OMAP_MAILBOX_H #define OMAP_MAILBOX_H -typedef u32 mbox_msg_t; +typedef uintptr_t mbox_msg_t; + +#define omap_mbox_message(data) (u32)(mbox_msg_t)(data) typedef int __bitwise omap_mbox_irq_t; #define IRQ_TX ((__force omap_mbox_irq_t) 1) |