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authorHeiko Stuebner <heiko.stuebner@theobroma-systems.com>2019-09-17 10:19:03 +0200
committerHeiko Stuebner <heiko.stuebner@theobroma-systems.com>2019-11-05 20:53:42 +0100
commit3b0b4ebfd761943179fe03b107f66c72c3b5c8d4 (patch)
tree82fb50bc3134a7bbbec72cc351288e8697f269b1 /drivers/clk
parentclk: rockchip: add video-related niu clocks as critical on px30 (diff)
downloadlinux-3b0b4ebfd761943179fe03b107f66c72c3b5c8d4.tar.xz
linux-3b0b4ebfd761943179fe03b107f66c72c3b5c8d4.zip
clk: rockchip: protect the pclk_usb_grf as critical on px30
Make this clock a real critical clock, so that writes to the usbphy grf always succeed. Signed-off-by: Heiko Stuebner <heiko.stuebner@theobroma-systems.com> Link: https://lore.kernel.org/r/20190917081903.25139-5-heiko@sntech.de
Diffstat (limited to 'drivers/clk')
-rw-r--r--drivers/clk/rockchip/clk-px30.c3
1 files changed, 2 insertions, 1 deletions
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)