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Commit 1cccd2a7 authored by Tony Lindgren's avatar Tony Lindgren
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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
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+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);