From: Jon Hunter Date: Mon, 23 Oct 2017 11:12:52 +0000 (+0100) Subject: clk: tegra: Mark APB clock as critical X-Git-Tag: v4.15-rc1~48^2~16^2~7 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=109eba2eb61ab92fc1f92e02d69ee0aa16e10c6a;p=linux.git clk: tegra: Mark APB clock as critical Currently, the APB clock is registered with the CLK_IGNORE_UNUSED flag to prevent the clock from being disabled if unused on boot. However, even if it is used, it still needs to be always kept enabled so that it doesn't get inadvertently disabled when all of its children are, and so update the flag for the APB clock to be CLK_IS_CRITICAL. Suggested-by: Peter De Schrijver Signed-off-by: Jon Hunter Acked-By: Peter De Schrijver Signed-off-by: Thierry Reding --- diff --git a/drivers/clk/tegra/clk-tegra-super-gen4.c b/drivers/clk/tegra/clk-tegra-super-gen4.c index 4f6fd307cb70..10047107c1dc 100644 --- a/drivers/clk/tegra/clk-tegra-super-gen4.c +++ b/drivers/clk/tegra/clk-tegra-super-gen4.c @@ -166,7 +166,7 @@ static void __init tegra_sclk_init(void __iomem *clk_base, clk_base + SYSTEM_CLK_RATE, 0, 2, 0, &sysrate_lock); clk = clk_register_gate(NULL, "pclk", "pclk_div", CLK_SET_RATE_PARENT | - CLK_IGNORE_UNUSED, clk_base + SYSTEM_CLK_RATE, + CLK_IS_CRITICAL, clk_base + SYSTEM_CLK_RATE, 3, CLK_GATE_SET_TO_DISABLE, &sysrate_lock); *dt_clk = clk; }