From 0a466f6913db1032a07eddcf232db749b6e0439e Mon Sep 17 00:00:00 2001 From: Felipe Contreras Date: Sun, 4 Jul 2010 16:34:27 +0300 Subject: [PATCH 271/524] staging: ti dspbridge: deh: trivial cleanups No functional changes. Signed-off-by: Felipe Contreras Signed-off-by: Greg Kroah-Hartman --- drivers/staging/tidspbridge/core/ue_deh.c | 72 ++++++++++------------------- 1 files changed, 25 insertions(+), 47 deletions(-) diff --git a/drivers/staging/tidspbridge/core/ue_deh.c b/drivers/staging/tidspbridge/core/ue_deh.c index 64e9366..ee2d23a 100644 --- a/drivers/staging/tidspbridge/core/ue_deh.c +++ b/drivers/staging/tidspbridge/core/ue_deh.c @@ -52,11 +52,6 @@ #include -static struct hw_mmu_map_attrs_t map_attrs = { HW_LITTLE_ENDIAN, - HW_ELEM_SIZE16BIT, - HW_MMU_CPUES -}; - static void *dummy_va_addr; int bridge_deh_create(struct deh_mgr **ret_deh_mgr, @@ -71,23 +66,20 @@ int bridge_deh_create(struct deh_mgr **ret_deh_mgr, * the base image. */ /* Get Bridge context info. */ dev_get_bridge_context(hdev_obj, &hbridge_context); - DBC_ASSERT(hbridge_context); - dummy_va_addr = NULL; /* Allocate IO manager object: */ deh_mgr = kzalloc(sizeof(struct deh_mgr), GFP_KERNEL); if (!deh_mgr) { status = -ENOMEM; - goto leave; + goto err; } /* Create an NTFY object to manage notifications */ deh_mgr->ntfy_obj = kmalloc(sizeof(struct ntfy_object), GFP_KERNEL); - if (deh_mgr->ntfy_obj) { - ntfy_init(deh_mgr->ntfy_obj); - } else { + if (!deh_mgr->ntfy_obj) { status = -ENOMEM; goto err; } + ntfy_init(deh_mgr->ntfy_obj); /* Create a MMUfault DPC */ tasklet_init(&deh_mgr->dpc_tasklet, mmu_fault_dpc, (u32) deh_mgr); @@ -100,22 +92,17 @@ int bridge_deh_create(struct deh_mgr **ret_deh_mgr, deh_mgr->err_info.dw_val3 = 0L; /* Install ISR function for DSP MMU fault */ - if ((request_irq(INT_DSP_MMU_IRQ, mmu_fault_isr, 0, - "DspBridge\tiommu fault", - (void *)deh_mgr)) == 0) - status = 0; - else - status = -EPERM; + status = request_irq(INT_DSP_MMU_IRQ, mmu_fault_isr, 0, + "DspBridge\tiommu fault", deh_mgr); + if (status < 0) + goto err; -err: - if (DSP_FAILED(status)) { - /* If create failed, cleanup */ - bridge_deh_destroy(deh_mgr); - deh_mgr = NULL; - } -leave: *ret_deh_mgr = deh_mgr; + return 0; +err: + bridge_deh_destroy(deh_mgr); + *ret_deh_mgr = NULL; return status; } @@ -147,33 +134,32 @@ int bridge_deh_register_notify(struct deh_mgr *deh_mgr, u32 event_mask, u32 notify_type, struct dsp_notification *hnotification) { - int status = 0; - if (!deh_mgr) return -EFAULT; if (event_mask) - status = ntfy_register(deh_mgr->ntfy_obj, hnotification, - event_mask, notify_type); + return ntfy_register(deh_mgr->ntfy_obj, hnotification, + event_mask, notify_type); else - status = ntfy_unregister(deh_mgr->ntfy_obj, hnotification); - - return status; + return ntfy_unregister(deh_mgr->ntfy_obj, hnotification); } void bridge_deh_notify(struct deh_mgr *deh_mgr, u32 ulEventMask, u32 dwErrInfo) { struct bridge_dev_context *dev_context; - int status = 0; u32 hw_mmu_max_tlb_count = 31; struct cfg_hostres *resources; - hw_status hw_status_obj; + struct hw_mmu_map_attrs_t map_attrs = { + .endianism = HW_LITTLE_ENDIAN, + .element_size = HW_ELEM_SIZE16BIT, + .mixed_size = HW_MMU_CPUES, + }; if (!deh_mgr) return; dev_info(bridge, "%s: device exception\n", __func__); - dev_context = (struct bridge_dev_context *)deh_mgr->hbridge_context; + dev_context = deh_mgr->hbridge_context; resources = dev_context->resources; switch (ulEventMask) { @@ -200,8 +186,6 @@ void bridge_deh_notify(struct deh_mgr *deh_mgr, u32 ulEventMask, u32 dwErrInfo) (unsigned int) deh_mgr->err_info.dw_val2, (unsigned int) fault_addr); dummy_va_addr = (void*)__get_free_page(GFP_ATOMIC); - dev_context = (struct bridge_dev_context *) - deh_mgr->hbridge_context; print_dsp_trace_buffer(dev_context); dump_dl_modules(dev_context); @@ -216,13 +200,10 @@ void bridge_deh_notify(struct deh_mgr *deh_mgr, u32 ulEventMask, u32 dwErrInfo) dev_context->num_tlb_entries = dev_context->fixed_tlb_entries; } - if (DSP_SUCCEEDED(status)) { - hw_status_obj = - hw_mmu_tlb_add(resources->dw_dmmu_base, - virt_to_phys(dummy_va_addr), fault_addr, - HW_PAGE_SIZE4KB, 1, - &map_attrs, HW_SET, HW_SET); - } + hw_mmu_tlb_add(resources->dw_dmmu_base, + virt_to_phys(dummy_va_addr), fault_addr, + HW_PAGE_SIZE4KB, 1, + &map_attrs, HW_SET, HW_SET); dsp_clk_enable(DSP_CLK_GPT8); @@ -231,7 +212,7 @@ void bridge_deh_notify(struct deh_mgr *deh_mgr, u32 ulEventMask, u32 dwErrInfo) /* Clear MMU interrupt */ hw_mmu_event_ack(resources->dw_dmmu_base, HW_MMU_TRANSLATION_FAULT); - dump_dsp_stack(deh_mgr->hbridge_context); + dump_dsp_stack(dev_context); dsp_clk_disable(DSP_CLK_GPT8); break; #ifdef CONFIG_BRIDGE_NTFY_PWRERR @@ -281,9 +262,6 @@ void bridge_deh_notify(struct deh_mgr *deh_mgr, u32 ulEventMask, u32 dwErrInfo) int bridge_deh_get_info(struct deh_mgr *deh_mgr, struct dsp_errorinfo *pErrInfo) { - DBC_REQUIRE(deh_mgr); - DBC_REQUIRE(pErrInfo); - if (!deh_mgr) return -EFAULT; -- 1.7.1