[U-Boot] [PATCH 37/50] dm: clk: Add a simple version of clk_get_by_index()

Simon Glass
2016-01-13T23:25:27Z

This function adds quite a bit of code to SPL and we probably don't need
all the features in SPL. Add a simple version (for SPL only) to save space.

Signed-off-by: Simon Glass <sjg@chromium.org>
---

drivers/clk/clk-uclass.c | 20 +++++++++++++++++++-
1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/clk-uclass.c b/drivers/clk/clk-uclass.c
index a205b26..8ed41ed 100644
--- a/drivers/clk/clk-uclass.c
+++ b/drivers/clk/clk-uclass.c
@@ -67,9 +67,26 @@ int clk_get_id(struct udevice *dev, int args_count, uint32_t *args)
int clk_get_by_index(struct udevice *dev, int index, struct udevice **clk_devp,
int *periphp)
{
- struct fdtdec_phandle_args args;
int ret;

+#ifdef CONFIG_SPL_BUILD
+ u32 cell[2];
+
+ if (index != 0)
+ return -ENOSYS;
+ ret = uclass_get_device(UCLASS_CLK, 0, clk_devp);
+ if (ret)
+ return ret;
+ ret = fdtdec_get_int_array(gd->fdt_blob, dev->of_offset, "clocks",
+ cell, 2);
+ if (ret)
+ return ret;
+ *periphp = cell[1];
+
+ return 0;
+#else
+ struct fdtdec_phandle_args args;
+
ret = fdtdec_parse_phandle_with_args(gd->fdt_blob, dev->of_offset,
"clocks", "#clock-cells", 0, index,
&args);
@@ -86,6 +103,7 @@ int clk_get_by_index(struct udevice *dev, int index, struct udevice **clk_devp,
return ret;
}
*periphp = args.args_count > 0 ? args.args[0] : -1;
+#endif

return 0;
}
--
2.6.0.rc2.230.g3dd15c0