diff --git a/drivers/clk/tegra/clk-tegra20.c b/drivers/clk/tegra/clk-tegra20.c index 7c7a915b4..cb0a57181 100644 --- a/drivers/clk/tegra/clk-tegra20.c +++ b/drivers/clk/tegra/clk-tegra20.c @@ -348,6 +348,7 @@ static int tegra20_car_probe(struct device_d *dev) &clk_data); tegra_clk_init_rst_controller(car_base, dev->device_node, 3 * 32); + tegra_clk_reset_uarts(); return 0; } diff --git a/drivers/clk/tegra/clk-tegra30.c b/drivers/clk/tegra/clk-tegra30.c index adb5824e4..9536288f8 100644 --- a/drivers/clk/tegra/clk-tegra30.c +++ b/drivers/clk/tegra/clk-tegra30.c @@ -342,6 +342,7 @@ static int tegra30_car_probe(struct device_d *dev) &clk_data); tegra_clk_init_rst_controller(car_base, dev->device_node, 6 * 32); + tegra_clk_reset_uarts(); return 0; } diff --git a/drivers/clk/tegra/clk.c b/drivers/clk/tegra/clk.c index a6b81d029..cb4d92020 100644 --- a/drivers/clk/tegra/clk.c +++ b/drivers/clk/tegra/clk.c @@ -187,3 +187,14 @@ void tegra_clk_init_rst_controller(void __iomem *base, struct device_node *np, rst_ctlr.nr_resets = num; reset_controller_register(&rst_ctlr); } + +void tegra_clk_reset_uarts(void) { + int i; + int console_device_ids[] = {6, 7, 55, 65, 66}; + + for (i = 0; i < ARRAY_SIZE(console_device_ids); i++) { + rst_ops.assert(&rst_ctlr, console_device_ids[i]); + udelay(2); + rst_ops.deassert(&rst_ctlr, console_device_ids[i]); + } +}; diff --git a/drivers/clk/tegra/clk.h b/drivers/clk/tegra/clk.h index 29d5249b2..6ce9f7e26 100644 --- a/drivers/clk/tegra/clk.h +++ b/drivers/clk/tegra/clk.h @@ -160,3 +160,5 @@ struct tegra_clk_periph_regs { void tegra_clk_init_rst_controller(void __iomem *base, struct device_node *np, unsigned int num); + +void tegra_clk_reset_uarts(void);