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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/arch/x86/kernel/i8237.c | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/arch/x86/kernel/i8237.c')
-rw-r--r-- | ANDROID_3.4.5/arch/x86/kernel/i8237.c | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/ANDROID_3.4.5/arch/x86/kernel/i8237.c b/ANDROID_3.4.5/arch/x86/kernel/i8237.c deleted file mode 100644 index 8eeaa81d..00000000 --- a/ANDROID_3.4.5/arch/x86/kernel/i8237.c +++ /dev/null @@ -1,55 +0,0 @@ -/* - * 8237A DMA controller suspend functions. - * - * Written by Pierre Ossman, 2005. - * - * 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. - */ - -#include <linux/init.h> -#include <linux/syscore_ops.h> - -#include <asm/dma.h> - -/* - * This module just handles suspend/resume issues with the - * 8237A DMA controller (used for ISA and LPC). - * Allocation is handled in kernel/dma.c and normal usage is - * in asm/dma.h. - */ - -static void i8237A_resume(void) -{ - unsigned long flags; - int i; - - flags = claim_dma_lock(); - - dma_outb(0, DMA1_RESET_REG); - dma_outb(0, DMA2_RESET_REG); - - for (i = 0; i < 8; i++) { - set_dma_addr(i, 0x000000); - /* DMA count is a bit weird so this is not 0 */ - set_dma_count(i, 1); - } - - /* Enable cascade DMA or channel 0-3 won't work */ - enable_dma(4); - - release_dma_lock(flags); -} - -static struct syscore_ops i8237_syscore_ops = { - .resume = i8237A_resume, -}; - -static int __init i8237A_init_ops(void) -{ - register_syscore_ops(&i8237_syscore_ops); - return 0; -} -device_initcall(i8237A_init_ops); |