diff options
Diffstat (limited to 'arch/powerpc/sysdev/fsl_rmu.c')
| -rw-r--r-- | arch/powerpc/sysdev/fsl_rmu.c | 42 |
1 files changed, 22 insertions, 20 deletions
diff --git a/arch/powerpc/sysdev/fsl_rmu.c b/arch/powerpc/sysdev/fsl_rmu.c index 15485789e9db..14bd5221f28a 100644 --- a/arch/powerpc/sysdev/fsl_rmu.c +++ b/arch/powerpc/sysdev/fsl_rmu.c @@ -100,14 +100,8 @@ #define DOORBELL_DSR_TE 0x00000080 #define DOORBELL_DSR_QFI 0x00000010 #define DOORBELL_DSR_DIQI 0x00000001 -#define DOORBELL_TID_OFFSET 0x02 -#define DOORBELL_SID_OFFSET 0x04 -#define DOORBELL_INFO_OFFSET 0x06 #define DOORBELL_MESSAGE_SIZE 0x08 -#define DBELL_SID(x) (*(u16 *)(x + DOORBELL_SID_OFFSET)) -#define DBELL_TID(x) (*(u16 *)(x + DOORBELL_TID_OFFSET)) -#define DBELL_INF(x) (*(u16 *)(x + DOORBELL_INFO_OFFSET)) struct rio_msg_regs { u32 omr; @@ -193,6 +187,13 @@ struct fsl_rmu { int rxirq; }; +struct rio_dbell_msg { + u16 pad1; + u16 tid; + u16 sid; + u16 info; +}; + /** * fsl_rio_tx_handler - MPC85xx outbound message interrupt handler * @irq: Linux interrupt number @@ -311,8 +312,8 @@ fsl_rio_dbell_handler(int irq, void *dev_instance) /* XXX Need to check/dispatch until queue empty */ if (dsr & DOORBELL_DSR_DIQI) { - u32 dmsg = - (u32) fsl_dbell->dbell_ring.virt + + struct rio_dbell_msg *dmsg = + fsl_dbell->dbell_ring.virt + (in_be32(&fsl_dbell->dbell_regs->dqdpar) & 0xfff); struct rio_dbell *dbell; int found = 0; @@ -320,25 +321,25 @@ fsl_rio_dbell_handler(int irq, void *dev_instance) pr_debug ("RIO: processing doorbell," " sid %2.2x tid %2.2x info %4.4x\n", - DBELL_SID(dmsg), DBELL_TID(dmsg), DBELL_INF(dmsg)); + dmsg->sid, dmsg->tid, dmsg->info); for (i = 0; i < MAX_PORT_NUM; i++) { if (fsl_dbell->mport[i]) { list_for_each_entry(dbell, &fsl_dbell->mport[i]->dbells, node) { if ((dbell->res->start - <= DBELL_INF(dmsg)) + <= dmsg->info) && (dbell->res->end - >= DBELL_INF(dmsg))) { + >= dmsg->info)) { found = 1; break; } } if (found && dbell->dinb) { dbell->dinb(fsl_dbell->mport[i], - dbell->dev_id, DBELL_SID(dmsg), - DBELL_TID(dmsg), - DBELL_INF(dmsg)); + dbell->dev_id, dmsg->sid, + dmsg->tid, + dmsg->info); break; } } @@ -348,8 +349,8 @@ fsl_rio_dbell_handler(int irq, void *dev_instance) pr_debug ("RIO: spurious doorbell," " sid %2.2x tid %2.2x info %4.4x\n", - DBELL_SID(dmsg), DBELL_TID(dmsg), - DBELL_INF(dmsg)); + dmsg->sid, dmsg->tid, + dmsg->info); } setbits32(&fsl_dbell->dbell_regs->dmr, DOORBELL_DMR_DI); out_be32(&fsl_dbell->dbell_regs->dsr, DOORBELL_DSR_DIQI); @@ -657,7 +658,7 @@ fsl_add_outb_message(struct rio_mport *mport, struct rio_dev *rdev, int mbox, int ret = 0; pr_debug("RIO: fsl_add_outb_message(): destid %4.4x mbox %d buffer " \ - "%8.8x len %8.8x\n", rdev->destid, mbox, (int)buffer, len); + "%p len %8.8zx\n", rdev->destid, mbox, buffer, len); if ((len < 8) || (len > RIO_MAX_MSG_SIZE)) { ret = -EINVAL; goto out; @@ -972,7 +973,8 @@ out: void *fsl_get_inb_message(struct rio_mport *mport, int mbox) { struct fsl_rmu *rmu = GET_RMM_HANDLE(mport); - u32 phys_buf, virt_buf; + u32 phys_buf; + void *virt_buf; void *buf = NULL; int buf_idx; @@ -982,7 +984,7 @@ void *fsl_get_inb_message(struct rio_mport *mport, int mbox) if (phys_buf == in_be32(&rmu->msg_regs->ifqepar)) goto out2; - virt_buf = (u32) rmu->msg_rx_ring.virt + (phys_buf + virt_buf = rmu->msg_rx_ring.virt + (phys_buf - rmu->msg_rx_ring.phys); buf_idx = (phys_buf - rmu->msg_rx_ring.phys) / RIO_MAX_MSG_SIZE; buf = rmu->msg_rx_ring.virt_buffer[buf_idx]; @@ -994,7 +996,7 @@ void *fsl_get_inb_message(struct rio_mport *mport, int mbox) } /* Copy max message size, caller is expected to allocate that big */ - memcpy(buf, (void *)virt_buf, RIO_MAX_MSG_SIZE); + memcpy(buf, virt_buf, RIO_MAX_MSG_SIZE); /* Clear the available buffer */ rmu->msg_rx_ring.virt_buffer[buf_idx] = NULL; |