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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
This commit is contained in:
Heiko Stuebner 2019-09-17 10:19:03 +02:00
parent 8a88550fe7
commit 3b0b4ebfd7
1 changed files with 2 additions and 1 deletions
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3
drivers/clk/rockchip/clk-px30.c
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@ -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)