On OMAP1 some McBSP features depend on DSP. Also export
polling functions as suggested by Luis Cargnini.
Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
---
arch/arm/plat-omap/mcbsp.c | 11 +++++++++++
1 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c
index f7b9ccd..4083cf5 100644
--- a/arch/arm/plat-omap/mcbsp.c
+++ b/arch/arm/plat-omap/mcbsp.c
@@ -197,6 +197,14 @@ 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);
@@ -215,6 +223,7 @@ 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);
@@ -1020,6 +1029,8 @@ 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);
--
1.5.3.6
-
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