From 6d0b898e9c402d6b7d0d07adacdbee2ebedafdcd Mon Sep 17 00:00:00 2001 From: Eliot Blennerhassett Date: Tue, 5 Apr 2011 20:55:47 +1200 Subject: ALSA: asihpi: Simplify driver unload cleanup Replacing subsys_delete_adapter with adapter_delete allows some special-case adapter lookup code to be removed. Signed-off-by: Eliot Blennerhassett Signed-off-by: Takashi Iwai --- sound/pci/asihpi/hpi6205.c | 97 +++++++++++++++++++++++----------------------- 1 file changed, 49 insertions(+), 48 deletions(-) (limited to 'sound/pci/asihpi/hpi6205.c') diff --git a/sound/pci/asihpi/hpi6205.c b/sound/pci/asihpi/hpi6205.c index 620525bdac59..53037342cd29 100644 --- a/sound/pci/asihpi/hpi6205.c +++ b/sound/pci/asihpi/hpi6205.c @@ -152,8 +152,8 @@ static void hw_message(struct hpi_adapter_obj *pao, struct hpi_message *phm, static void subsys_create_adapter(struct hpi_message *phm, struct hpi_response *phr); -static void subsys_delete_adapter(struct hpi_message *phm, - struct hpi_response *phr); +static void adapter_delete(struct hpi_adapter_obj *pao, + struct hpi_message *phm, struct hpi_response *phr); static u16 create_adapter_obj(struct hpi_adapter_obj *pao, u32 *pos_error_code); @@ -223,15 +223,13 @@ static u16 boot_loader_test_pld(struct hpi_adapter_obj *pao, int dsp_index); /*****************************************************************************/ -static void subsys_message(struct hpi_message *phm, struct hpi_response *phr) +static void subsys_message(struct hpi_adapter_obj *pao, + struct hpi_message *phm, struct hpi_response *phr) { switch (phm->function) { case HPI_SUBSYS_CREATE_ADAPTER: subsys_create_adapter(phm, phr); break; - case HPI_SUBSYS_DELETE_ADAPTER: - subsys_delete_adapter(phm, phr); - break; default: phr->error = HPI_ERROR_INVALID_FUNC; break; @@ -279,6 +277,10 @@ static void adapter_message(struct hpi_adapter_obj *pao, struct hpi_message *phm, struct hpi_response *phr) { switch (phm->function) { + case HPI_ADAPTER_DELETE: + adapter_delete(pao, phm, phr); + break; + default: hw_message(pao, phm, phr); break; @@ -371,36 +373,17 @@ static void instream_message(struct hpi_adapter_obj *pao, /** Entry point to this HPI backend * All calls to the HPI start here */ -void HPI_6205(struct hpi_message *phm, struct hpi_response *phr) +void _HPI_6205(struct hpi_adapter_obj *pao, struct hpi_message *phm, + struct hpi_response *phr) { - struct hpi_adapter_obj *pao = NULL; - - /* subsytem messages are processed by every HPI. - * All other messages are ignored unless the adapter index matches - * an adapter in the HPI - */ - /* HPI_DEBUG_LOG(DEBUG, "HPI Obj=%d, Func=%d\n", phm->wObject, - phm->wFunction); */ - - /* if Dsp has crashed then do not communicate with it any more */ - if (phm->object != HPI_OBJ_SUBSYSTEM) { - pao = hpi_find_adapter(phm->adapter_index); - if (!pao) { - HPI_DEBUG_LOG(DEBUG, - " %d,%d refused, for another HPI?\n", - phm->object, phm->function); - return; - } - - if ((pao->dsp_crashed >= 10) - && (phm->function != HPI_ADAPTER_DEBUG_READ)) { - /* allow last resort debug read even after crash */ - hpi_init_response(phr, phm->object, phm->function, - HPI_ERROR_DSP_HARDWARE); - HPI_DEBUG_LOG(WARNING, " %d,%d dsp crashed.\n", - phm->object, phm->function); - return; - } + if (pao && (pao->dsp_crashed >= 10) + && (phm->function != HPI_ADAPTER_DEBUG_READ)) { + /* allow last resort debug read even after crash */ + hpi_init_response(phr, phm->object, phm->function, + HPI_ERROR_DSP_HARDWARE); + HPI_DEBUG_LOG(WARNING, " %d,%d dsp crashed.\n", phm->object, + phm->function); + return; } /* Init default response */ @@ -412,7 +395,7 @@ void HPI_6205(struct hpi_message *phm, struct hpi_response *phr) case HPI_TYPE_MESSAGE: switch (phm->object) { case HPI_OBJ_SUBSYSTEM: - subsys_message(phm, phr); + subsys_message(pao, phm, phr); break; case HPI_OBJ_ADAPTER: @@ -444,6 +427,26 @@ void HPI_6205(struct hpi_message *phm, struct hpi_response *phr) } } +void HPI_6205(struct hpi_message *phm, struct hpi_response *phr) +{ + struct hpi_adapter_obj *pao = NULL; + + if (phm->object != HPI_OBJ_SUBSYSTEM) { + /* normal messages must have valid adapter index */ + pao = hpi_find_adapter(phm->adapter_index); + } else { + /* subsys messages don't address an adapter */ + _HPI_6205(NULL, phm, phr); + return; + } + + if (pao) + _HPI_6205(pao, phm, phr); + else + hpi_init_response(phr, phm->object, phm->function, + HPI_ERROR_BAD_ADAPTER_NUMBER); +} + /*****************************************************************************/ /* SUBSYSTEM */ @@ -491,13 +494,11 @@ static void subsys_create_adapter(struct hpi_message *phm, } /** delete an adapter - required by WDM driver */ -static void subsys_delete_adapter(struct hpi_message *phm, - struct hpi_response *phr) +static void adapter_delete(struct hpi_adapter_obj *pao, + struct hpi_message *phm, struct hpi_response *phr) { - struct hpi_adapter_obj *pao; struct hpi_hw_obj *phw; - pao = hpi_find_adapter(phm->obj_index); if (!pao) { phr->error = HPI_ERROR_INVALID_OBJ_INDEX; return; @@ -563,11 +564,12 @@ static u16 create_adapter_obj(struct hpi_adapter_obj *pao, } err = adapter_boot_load_dsp(pao, pos_error_code); - if (err) + if (err) { + HPI_DEBUG_LOG(ERROR, "DSP code load failed\n"); /* no need to clean up as SubSysCreateAdapter */ /* calls DeleteAdapter on error. */ return err; - + } HPI_DEBUG_LOG(INFO, "load DSP code OK\n"); /* allow boot load even if mem alloc wont work */ @@ -604,6 +606,7 @@ static u16 create_adapter_obj(struct hpi_adapter_obj *pao, control_cache.number_of_controls, interface->control_cache.size_in_bytes, p_control_cache_virtual); + if (!phw->p_cache) err = HPI_ERROR_MEMORY_ALLOC; } @@ -675,16 +678,14 @@ static u16 create_adapter_obj(struct hpi_adapter_obj *pao, } /** Free memory areas allocated by adapter - * this routine is called from SubSysDeleteAdapter, + * this routine is called from AdapterDelete, * and SubSysCreateAdapter if duplicate index */ static void delete_adapter_obj(struct hpi_adapter_obj *pao) { - struct hpi_hw_obj *phw; + struct hpi_hw_obj *phw = pao->priv; int i; - phw = pao->priv; - if (hpios_locked_mem_valid(&phw->h_control_cache)) { hpios_locked_mem_free(&phw->h_control_cache); hpi_free_control_cache(phw->p_cache); @@ -1275,6 +1276,7 @@ static u16 adapter_boot_load_dsp(struct hpi_adapter_obj *pao, case HPI_ADAPTER_FAMILY_ASI(0x6300): boot_code_id[1] = HPI_ADAPTER_FAMILY_ASI(0x6400); break; + case HPI_ADAPTER_FAMILY_ASI(0x5500): case HPI_ADAPTER_FAMILY_ASI(0x5600): case HPI_ADAPTER_FAMILY_ASI(0x6500): boot_code_id[1] = HPI_ADAPTER_FAMILY_ASI(0x6600); @@ -2059,7 +2061,6 @@ static int wait_dsp_ack(struct hpi_hw_obj *phw, int state, int timeout_us) static void send_dsp_command(struct hpi_hw_obj *phw, int cmd) { struct bus_master_interface *interface = phw->p_interface_buffer; - u32 r; interface->host_cmd = cmd; @@ -2088,7 +2089,7 @@ static u16 message_response_sequence(struct hpi_adapter_obj *pao, phr->specific_error = sizeof(interface->u); phr->size = sizeof(struct hpi_response_header); HPI_DEBUG_LOG(ERROR, - "message len %d too big for buffer %zd \n", phm->size, + "message len %d too big for buffer %ld \n", phm->size, sizeof(interface->u)); return 0; } -- cgit