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Commit 1cccd2a7 authored by Tony Lindgren's avatar Tony Lindgren
Browse files

ARM: OMAP: Request DSP memory for McBSP 



On OMAP1 some McBSP features depend on DSP. Also export
polling functions as suggested by Luis Cargnini.

Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent a4ffc0a0

arch/arm/plat-omap/mcbsp.c

+11 −0
Original line number Diff line number Diff line
@@ -201,6 +201,14 @@ static int omap_mcbsp_check(unsigned int id) 
static void omap_mcbsp_dsp_request(void)

{

	if (cpu_is_omap15xx() || cpu_is_omap16xx()) {

		int ret;



		ret = omap_dsp_request_mem();

		if (ret < 0) {

			printk(KERN_ERR "Could not get dsp memory: %i\n", ret);

			return;

		}



		clk_enable(mcbsp_dsp_ck);

		clk_enable(mcbsp_api_ck);
@@ -219,6 +227,7 @@ static void omap_mcbsp_dsp_request(void) 
static void omap_mcbsp_dsp_free(void)

{

	if (cpu_is_omap15xx() || cpu_is_omap16xx()) {

		omap_dsp_release_mem();

		clk_disable(mcbsp_dspxor_ck);

		clk_disable(mcbsp_dsp_ck);

		clk_disable(mcbsp_api_ck);
@@ -1024,6 +1033,8 @@ EXPORT_SYMBOL(omap_mcbsp_set_io_type); 
EXPORT_SYMBOL(omap_mcbsp_free);

EXPORT_SYMBOL(omap_mcbsp_start);

EXPORT_SYMBOL(omap_mcbsp_stop);

EXPORT_SYMBOL(omap_mcbsp_pollread);

EXPORT_SYMBOL(omap_mcbsp_pollwrite);

EXPORT_SYMBOL(omap_mcbsp_xmit_word);

EXPORT_SYMBOL(omap_mcbsp_recv_word);

EXPORT_SYMBOL(omap_mcbsp_xmit_buffer);