diff options
Diffstat (limited to 'arch/blackfin/mm/isram-driver.c')
| -rw-r--r-- | arch/blackfin/mm/isram-driver.c | 20 |
1 files changed, 5 insertions, 15 deletions
diff --git a/arch/blackfin/mm/isram-driver.c b/arch/blackfin/mm/isram-driver.c index beb1a608824c..9213e2357888 100644 --- a/arch/blackfin/mm/isram-driver.c +++ b/arch/blackfin/mm/isram-driver.c @@ -1,19 +1,9 @@ /* - * Description: Instruction SRAM accessor functions for the Blackfin + * Instruction SRAM accessor functions for the Blackfin * * Copyright 2008 Analog Devices Inc. * - * Bugs: Enter bugs at http://blackfin.uclinux.org/ - * - * 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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see the file COPYING, or write - * to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * Licensed under the GPL-2 or later */ #define pr_fmt(fmt) "isram: " fmt @@ -72,7 +62,7 @@ static void isram_write(const void *addr, uint64_t data) uint32_t cmd; unsigned long flags; - if (addr >= (void *)(L1_CODE_START + L1_CODE_LENGTH)) + if (unlikely(addr >= (void *)(L1_CODE_START + L1_CODE_LENGTH))) return; cmd = IADDR2DTEST(addr) | 2; /* write */ @@ -103,7 +93,7 @@ static uint64_t isram_read(const void *addr) unsigned long flags; uint64_t ret; - if (addr > (void *)(L1_CODE_START + L1_CODE_LENGTH)) + if (unlikely(addr > (void *)(L1_CODE_START + L1_CODE_LENGTH))) return 0; cmd = IADDR2DTEST(addr) | 0; /* read */ @@ -130,7 +120,7 @@ static bool isram_check_addr(const void *addr, size_t n) { if ((addr >= (void *)L1_CODE_START) && (addr < (void *)(L1_CODE_START + L1_CODE_LENGTH))) { - if ((addr + n) > (void *)(L1_CODE_START + L1_CODE_LENGTH)) { + if (unlikely((addr + n) > (void *)(L1_CODE_START + L1_CODE_LENGTH))) { show_stack(NULL, NULL); pr_err("copy involving %p length (%zu) too long\n", addr, n); } |