Commit 0d8631d2 authored by Felipe Contreras's avatar Felipe Contreras Committed by Greg Kroah-Hartman
Browse files

staging: ti 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: default avatarFelipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 599ede1c

drivers/staging/tidspbridge/core/ue_deh.c

+4 −4
Original line number Diff line number Diff line
@@ -52,8 +52,6 @@ 
#include <dspbridge/io_sm.h>





static void *dummy_va_addr;



int bridge_deh_create(struct deh_mgr **ret_deh_mgr,

		struct dev_object *hdev_obj)

{
@@ -154,6 +152,7 @@ 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;
@@ -214,6 +213,9 @@ void bridge_deh_notify(struct deh_mgr *deh_mgr, u32 ulEventMask, u32 dwErrInfo) 
				HW_MMU_TRANSLATION_FAULT);

		dump_dsp_stack(dev_context);

		dsp_clk_disable(DSP_CLK_GPT8);



		hw_mmu_disable(resources->dw_dmmu_base);

		free_page((unsigned long)dummy_va_addr);

		break;

#ifdef CONFIG_BRIDGE_NTFY_PWRERR

	case DSP_PWRERROR:
@@ -276,6 +278,4 @@ int 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;

}