[U-Boot] [PATCH] mpc83xx_clk: Add enable method
Mario Six
mario.six at gdsys.cc
Mon Jan 28 08:40:36 UTC 2019
Some DM drivers have hardcoded clk_enable calls when handling
clocks (for example the fsl_esdhc driver).
To work with these drivers, add an enable method to the MCP83xx clock
driver (which does nothing, because the clocks are always enabled).
Signed-off-by: Mario Six <mario.six at gdsys.cc>
---
drivers/clk/mpc83xx_clk.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/clk/mpc83xx_clk.c b/drivers/clk/mpc83xx_clk.c
index 489004190eb..32d2db9edad 100644
--- a/drivers/clk/mpc83xx_clk.c
+++ b/drivers/clk/mpc83xx_clk.c
@@ -275,6 +275,12 @@ static ulong mpc83xx_clk_get_rate(struct clk *clk)
return priv->speed[clk->id];
}
+static int mpc83xx_clk_enable(struct clk *clk)
+{
+ /* MPC83xx clocks are always enabled */
+ return 0;
+}
+
int get_clocks(void)
{
/* Empty implementation to keep the prototype in common.h happy */
@@ -301,6 +307,7 @@ int get_serial_clock(void)
const struct clk_ops mpc83xx_clk_ops = {
.request = mpc83xx_clk_request,
.get_rate = mpc83xx_clk_get_rate,
+ .enable = mpc83xx_clk_enable,
};
static const struct udevice_id mpc83xx_clk_match[] = {
--
2.20.1
More information about the U-Boot
mailing list