iomux setup often is the source of great fun. Add some debug printf
for it.
Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
arch/arm/mach-imx/iomux-v3.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/arm/mach-imx/iomux-v3.c b/arch/arm/mach-imx/iomux-v3.c
index 680d260..5d7a244 100644
--- a/arch/arm/mach-imx/iomux-v3.c
+++ b/arch/arm/mach-imx/iomux-v3.c
@@ -37,6 +37,10 @@ int mxc_iomux_v3_setup_pad(iomux_v3_cfg_t pad)
u32 pad_ctrl_ofs = (pad & MUX_PAD_CTRL_OFS_MASK) >> MUX_PAD_CTRL_OFS_SHIFT;
u32 pad_ctrl = (pad & MUX_PAD_CTRL_MASK) >> MUX_PAD_CTRL_SHIFT;
+ debug("%s: mux 0x%08x -> 0x%04x pad: 0x%08x -> 0x%04x sel_inp: 0x%08x -> 0x%04x\n",
+ __func__, mux_mode, mux_ctrl_ofs, pad_ctrl, pad_ctrl_ofs, sel_input,
+ sel_input_ofs);
+
if (mux_ctrl_ofs)
__raw_writel(mux_mode, base + mux_ctrl_ofs);
--
1.7.10.4
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