clk: sprd: don't gate uart console clock

Don't gate uart1_eb which provides console clock, gating that clock would
make serial stop working if serial driver didn't enable that explicitly.

Fixes: 0e4b8a2349f3 ("clk: sprd: add clocks support for SC9863A")
Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com>
Link: https://lkml.kernel.org/r/20200408020234.31764-1-zhang.lyra@gmail.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

diff --git a/drivers/clk/sprd/sc9863a-clk.c b/drivers/clk/sprd/sc9863a-clk.c
index a0631f7..2e2dfb2 100644 (file)
--- a/drivers/clk/sprd/sc9863a-clk.c
+++ b/drivers/clk/sprd/sc9863a-clk.c
@@ -1641,8 +1641,9 @@ static SPRD_SC_GATE_CLK_FW_NAME(i2c4_eb,  "i2c4-eb",      "ext-26m", 0x0,
                                0x1000, BIT(12), 0, 0);
 static SPRD_SC_GATE_CLK_FW_NAME(uart0_eb,      "uart0-eb",     "ext-26m", 0x0,
                                0x1000, BIT(13), 0, 0);
+/* uart1_eb is for console, don't gate even if unused */
 static SPRD_SC_GATE_CLK_FW_NAME(uart1_eb,      "uart1-eb",     "ext-26m", 0x0,
-                               0x1000, BIT(14), 0, 0);
+                               0x1000, BIT(14), CLK_IGNORE_UNUSED, 0);
 static SPRD_SC_GATE_CLK_FW_NAME(uart2_eb,      "uart2-eb",     "ext-26m", 0x0,
                                0x1000, BIT(15), 0, 0);
 static SPRD_SC_GATE_CLK_FW_NAME(uart3_eb,      "uart3-eb",     "ext-26m", 0x0,