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| author | Ingo Molnar <mingo@kernel.org> | 2014-05-07 15:15:46 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-05-07 15:15:46 +0400 |
| commit | 2fe5de9ce7d57498abc14b375cad2fcf8c3ee6cc (patch) | |
| tree | 9478e8cf470c1d5bdb2d89b57a7e35919ab95e72 /drivers/net/ethernet/altera/altera_utils.c | |
| parent | 08f8aeb55d7727d644dbbbbfb798fe937d47751d (diff) | |
| parent | 2b4cfe64dee0d84506b951d81bf55d9891744d25 (diff) | |
| download | linux-2fe5de9ce7d57498abc14b375cad2fcf8c3ee6cc.tar.xz | |
Merge branch 'sched/urgent' into sched/core, to avoid conflicts
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/altera/altera_utils.c')
| -rw-r--r-- | drivers/net/ethernet/altera/altera_utils.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/drivers/net/ethernet/altera/altera_utils.c b/drivers/net/ethernet/altera/altera_utils.c new file mode 100644 index 000000000000..70fa13f486b2 --- /dev/null +++ b/drivers/net/ethernet/altera/altera_utils.c @@ -0,0 +1,44 @@ +/* Altera TSE SGDMA and MSGDMA Linux driver + * Copyright (C) 2014 Altera Corporation. All rights reserved + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope 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. + * + * You should have received a copy of the GNU General Public License along with + * this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "altera_tse.h" +#include "altera_utils.h" + +void tse_set_bit(void __iomem *ioaddr, u32 bit_mask) +{ + u32 value = ioread32(ioaddr); + value |= bit_mask; + iowrite32(value, ioaddr); +} + +void tse_clear_bit(void __iomem *ioaddr, u32 bit_mask) +{ + u32 value = ioread32(ioaddr); + value &= ~bit_mask; + iowrite32(value, ioaddr); +} + +int tse_bit_is_set(void __iomem *ioaddr, u32 bit_mask) +{ + u32 value = ioread32(ioaddr); + return (value & bit_mask) ? 1 : 0; +} + +int tse_bit_is_clear(void __iomem *ioaddr, u32 bit_mask) +{ + u32 value = ioread32(ioaddr); + return (value & bit_mask) ? 0 : 1; +} |