CLKR/FSR mux is only possible on port 1. Make sure that we only change the mux if the call is made with the correct mcbsp device.
Signed-off-by: Peter Ujfalusi peter.ujfalusi@ti.com --- arch/arm/mach-omap2/mcbsp.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-omap2/mcbsp.c b/arch/arm/mach-omap2/mcbsp.c index 829f4c7..269765c 100644 --- a/arch/arm/mach-omap2/mcbsp.c +++ b/arch/arm/mach-omap2/mcbsp.c @@ -38,8 +38,13 @@ static int omap2_mcbsp1_mux_rx_clk(struct device *dev, const char *signal, const char *src) { + struct omap_mcbsp *mcbsp = dev_get_drvdata(dev); u32 v;
+ /* Only McBSP1 have 6 pin configuration (CLKR/FSR source selectable) */ + if (mcbsp->id != 0) + return -EINVAL; + v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
if (!strcmp(signal, "clkr")) {