[PATCH 5/5] clk: rockchip: protect the pclk_usb_grf as critical

From: Heiko Stuebner
Date: Tue Sep 17 2019 - 04:19:30 EST


Make this clock a real critical clock, so that writes to the usbphy grf
always succeed.

Signed-off-by: Heiko Stuebner <heiko@xxxxxxxxx>
---
drivers/clk/rockchip/clk-px30.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/rockchip/clk-px30.c b/drivers/clk/rockchip/clk-px30.c
index 7a8bc416c947..6fb9c98b7d24 100644
--- a/drivers/clk/rockchip/clk-px30.c
+++ b/drivers/clk/rockchip/clk-px30.c
@@ -799,7 +799,7 @@ static struct rockchip_clk_branch px30_clk_branches[] __initdata = {
GATE(0, "pclk_ddrphy", "pclk_top_pre", CLK_IGNORE_UNUSED, PX30_CLKGATE_CON(16), 3, GFLAGS),
GATE(PCLK_MIPIDSIPHY, "pclk_mipidsiphy", "pclk_top_pre", 0, PX30_CLKGATE_CON(16), 4, GFLAGS),
GATE(PCLK_MIPICSIPHY, "pclk_mipicsiphy", "pclk_top_pre", 0, PX30_CLKGATE_CON(16), 5, GFLAGS),
- GATE(PCLK_USB_GRF, "pclk_usb_grf", "pclk_top_pre", CLK_IGNORE_UNUSED, PX30_CLKGATE_CON(16), 6, GFLAGS),
+ GATE(PCLK_USB_GRF, "pclk_usb_grf", "pclk_top_pre", 0, PX30_CLKGATE_CON(16), 6, GFLAGS),
GATE(0, "pclk_cpu_hoost", "pclk_top_pre", CLK_IGNORE_UNUSED, PX30_CLKGATE_CON(16), 7, GFLAGS),

/* PD_VI */
@@ -995,6 +995,7 @@ static const char *const px30_cru_critical_clocks[] __initconst = {
"usb480m",
"clk_uart2",
"pclk_uart2",
+ "pclk_usb_grf",
};

static void __init px30_clk_init(struct device_node *np)
--
2.20.1