+Cris +Stanley Loop in DSP guys in case they would have something to add. > -----Original Message----- > From: Felipe Contreras [mailto:felipe.contre...@gmail.com] > Sent: Sunday, May 16, 2010 10:46 AM > To: linux-omap > Cc: Ramirez Luna, Omar; Guzman Lugo, Fernando; Felipe Contreras > Subject: [PATCH 04/14] dspbridge: deh: free dummy page immediately > > There's no need to keep it around. DSP should stop trying to access > system memory. > > Signed-off-by: Felipe Contreras <felipe.contre...@gmail.com> > --- > drivers/dsp/bridge/core/ue_deh.c | 8 ++++---- > 1 files changed, 4 insertions(+), 4 deletions(-) > > diff --git a/drivers/dsp/bridge/core/ue_deh.c > b/drivers/dsp/bridge/core/ue_deh.c > index 605cec7..593a0e3 100644 > --- a/drivers/dsp/bridge/core/ue_deh.c > +++ b/drivers/dsp/bridge/core/ue_deh.c > @@ -60,8 +60,6 @@ > /* Max time to check for GP Timer IRQ */ > #define GPTIMER_IRQ_WAIT_MAX_CNT 1000 > > -static void *dummy_va_addr; > - > static struct omap_dm_timer *timer; > > dsp_status bridge_deh_create(struct deh_mgr **ret_deh_mgr, > @@ -203,6 +201,7 @@ void bridge_deh_notify(struct deh_mgr *deh_mgr, u32 > ulEventMask, u32 dwErrInfo) > .element_size = HW_ELEM_SIZE16BIT, > .mixed_size = HW_MMU_CPUES, > }; > + void *dummy_va_addr; > > if (!deh_mgr) > return; > @@ -259,6 +258,9 @@ void bridge_deh_notify(struct deh_mgr *deh_mgr, u32 > ulEventMask, u32 dwErrInfo) > hw_mmu_event_ack(resources->dw_dmmu_base, > HW_MMU_TRANSLATION_FAULT); > dump_dsp_stack(dev_context); > + > + hw_mmu_disable(resources->dw_dmmu_base); > + free_page((unsigned long)dummy_va_addr); > break; > #ifdef CONFIG_BRIDGE_NTFY_PWRERR > case DSP_PWRERROR: > @@ -321,6 +323,4 @@ dsp_status bridge_deh_get_info(struct deh_mgr > *deh_mgr, > > void bridge_deh_release_dummy_mem(void) > { > - free_page((unsigned long)dummy_va_addr); > - dummy_va_addr = NULL; > } > -- > 1.7.1
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