diff options
Diffstat (limited to 'drivers/media/platform/davinci/vpss.c')
| -rw-r--r-- | drivers/media/platform/davinci/vpss.c | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/drivers/media/platform/davinci/vpss.c b/drivers/media/platform/davinci/vpss.c index 19cf6853411e..d38d2bbb6f0f 100644 --- a/drivers/media/platform/davinci/vpss.c +++ b/drivers/media/platform/davinci/vpss.c @@ -1,16 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2009 Texas Instruments. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * * common vpss system module platform driver for all video drivers. */ #include <linux/module.h> @@ -507,9 +498,9 @@ static struct platform_driver vpss_driver = { static void vpss_exit(void) { + platform_driver_unregister(&vpss_driver); iounmap(oper_cfg.vpss_regs_base2); release_mem_region(VPSS_CLK_CTRL, 4); - platform_driver_unregister(&vpss_driver); } static int __init vpss_init(void) @@ -518,6 +509,11 @@ static int __init vpss_init(void) return -EBUSY; oper_cfg.vpss_regs_base2 = ioremap(VPSS_CLK_CTRL, 4); + if (unlikely(!oper_cfg.vpss_regs_base2)) { + release_mem_region(VPSS_CLK_CTRL, 4); + return -ENOMEM; + } + writel(VPSS_CLK_CTRL_VENCCLKEN | VPSS_CLK_CTRL_DACCLKEN, oper_cfg.vpss_regs_base2); |