clk: ccf: mux: fix access to the sandbox register
The tests developed for the mux clock are run on the sandbox. They don't
call the clk_mux_set_parent routine and therefore they do not detect
this error.
Signed-off-by: Dario Binacchi <dariobin@libero.it>
diff --git a/drivers/clk/clk-mux.c b/drivers/clk/clk-mux.c
index 978f3a8..e10baaf 100644
--- a/drivers/clk/clk-mux.c
+++ b/drivers/clk/clk-mux.c
@@ -131,12 +131,20 @@
if (mux->flags & CLK_MUX_HIWORD_MASK) {
reg = mux->mask << (mux->shift + 16);
} else {
+#if CONFIG_IS_ENABLED(SANDBOX_CLK_CCF)
+ reg = mux->io_mux_val;
+#else
reg = readl(mux->reg);
+#endif
reg &= ~(mux->mask << mux->shift);
}
val = val << mux->shift;
reg |= val;
+#if CONFIG_IS_ENABLED(SANDBOX_CLK_CCF)
+ mux->io_mux_val = reg;
+#else
writel(reg, mux->reg);
+#endif
return 0;
}