diff options
Diffstat (limited to 'drivers/clk/ti/autoidle.c')
| -rw-r--r-- | drivers/clk/ti/autoidle.c | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/drivers/clk/ti/autoidle.c b/drivers/clk/ti/autoidle.c index 1cae226759dd..a99aaf2e7684 100644 --- a/drivers/clk/ti/autoidle.c +++ b/drivers/clk/ti/autoidle.c @@ -1,18 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * TI clock autoidle support * * Copyright (C) 2013 Texas Instruments, Inc. * * Tero Kristo <t-kristo@ti.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed "as is" WITHOUT ANY WARRANTY of any - * kind, whether express or implied; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/clk-provider.h> @@ -38,7 +30,7 @@ static LIST_HEAD(autoidle_clks); /* * we have some non-atomic read/write - * operations behind it, so lets + * operations behind it, so let's * take one lock for handling autoidle * of all clocks */ @@ -82,7 +74,12 @@ static int _omap2_clk_allow_idle(struct clk_hw_omap *clk) */ int omap2_clk_deny_idle(struct clk *clk) { - struct clk_hw *hw = __clk_get_hw(clk); + struct clk_hw *hw; + + if (!clk) + return -EINVAL; + + hw = __clk_get_hw(clk); if (omap2_clk_is_hw_omap(hw)) { struct clk_hw_omap *c = to_clk_hw_omap(hw); @@ -101,7 +98,12 @@ int omap2_clk_deny_idle(struct clk *clk) */ int omap2_clk_allow_idle(struct clk *clk) { - struct clk_hw *hw = __clk_get_hw(clk); + struct clk_hw *hw; + + if (!clk) + return -EINVAL; + + hw = __clk_get_hw(clk); if (omap2_clk_is_hw_omap(hw)) { struct clk_hw_omap *c = to_clk_hw_omap(hw); @@ -195,7 +197,7 @@ int __init of_ti_clk_autoidle_setup(struct device_node *node) return -ENOMEM; clk->shift = shift; - clk->name = node->name; + clk->name = ti_dt_clk_name(node); ret = ti_clk_get_reg_addr(node, 0, &clk->reg); if (ret) { kfree(clk); |