Input: tegra-kbc - use reset framework

Tegra's clock driver now provides an implementation of the common
reset API (include/linux/reset.h). Use this instead of the old Tegra-
specific API; that will soon be removed.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>

diff --git a/drivers/input/keyboard/tegra-kbc.c b/drivers/input/keyboard/tegra-kbc.c
index 8508879f6fafd2663d393cb6afad9f00340b341c..9757a58bc8978c3f81b50c2cafbe1438940a6b5e 100644 (file)
--- a/drivers/input/keyboard/tegra-kbc.c
+++ b/drivers/input/keyboard/tegra-kbc.c
@@ -31,7 +31,7 @@
 #include <linux/clk.h>
 #include <linux/slab.h>
 #include <linux/input/matrix_keypad.h>
-#include <linux/clk/tegra.h>
+#include <linux/reset.h>
 #include <linux/err.h>
 
 #define KBC_MAX_KPENT  8
@@ -116,6 +116,7 @@ struct tegra_kbc {
        u32 wakeup_key;
        struct timer_list timer;
        struct clk *clk;
+       struct reset_control *rst;
        const struct tegra_kbc_hw_support *hw_support;
        int max_keys;
        int num_rows_and_columns;
@@ -373,9 +374,9 @@ static int tegra_kbc_start(struct tegra_kbc *kbc)
        clk_prepare_enable(kbc->clk);
 
        /* Reset the KBC controller to clear all previous status.*/
-       tegra_periph_reset_assert(kbc->clk);
+       reset_control_assert(kbc->rst);
        udelay(100);
-       tegra_periph_reset_deassert(kbc->clk);
+       reset_control_assert(kbc->rst);
        udelay(100);
 
        tegra_kbc_config_pins(kbc);
@@ -663,6 +664,12 @@ static int tegra_kbc_probe(struct platform_device *pdev)
                return PTR_ERR(kbc->clk);
        }
 
+       kbc->rst = devm_reset_control_get(&pdev->dev, "kbc");
+       if (IS_ERR(kbc->rst)) {
+               dev_err(&pdev->dev, "failed to get keyboard reset\n");
+               return PTR_ERR(kbc->rst);
+       }
+
        /*
         * The time delay between two consecutive reads of the FIFO is
         * the sum of the repeat time and the time taken for scanning