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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/io_delay.c | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
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/io_delay.c')
-rw-r--r-- | ANDROID_3.4.5/arch/x86/kernel/io_delay.c | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/ANDROID_3.4.5/arch/x86/kernel/io_delay.c b/ANDROID_3.4.5/arch/x86/kernel/io_delay.c deleted file mode 100644 index a979b5bd..00000000 --- a/ANDROID_3.4.5/arch/x86/kernel/io_delay.c +++ /dev/null @@ -1,131 +0,0 @@ -/* - * I/O delay strategies for inb_p/outb_p - * - * Allow for a DMI based override of port 0x80, needed for certain HP laptops - * and possibly other systems. Also allow for the gradual elimination of - * outb_p/inb_p API uses. - */ -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/delay.h> -#include <linux/init.h> -#include <linux/dmi.h> -#include <linux/io.h> - -int io_delay_type __read_mostly = CONFIG_DEFAULT_IO_DELAY_TYPE; - -static int __initdata io_delay_override; - -/* - * Paravirt wants native_io_delay to be a constant. - */ -void native_io_delay(void) -{ - switch (io_delay_type) { - default: - case CONFIG_IO_DELAY_TYPE_0X80: - asm volatile ("outb %al, $0x80"); - break; - case CONFIG_IO_DELAY_TYPE_0XED: - asm volatile ("outb %al, $0xed"); - break; - case CONFIG_IO_DELAY_TYPE_UDELAY: - /* - * 2 usecs is an upper-bound for the outb delay but - * note that udelay doesn't have the bus-level - * side-effects that outb does, nor does udelay() have - * precise timings during very early bootup (the delays - * are shorter until calibrated): - */ - udelay(2); - case CONFIG_IO_DELAY_TYPE_NONE: - break; - } -} -EXPORT_SYMBOL(native_io_delay); - -static int __init dmi_io_delay_0xed_port(const struct dmi_system_id *id) -{ - if (io_delay_type == CONFIG_IO_DELAY_TYPE_0X80) { - pr_notice("%s: using 0xed I/O delay port\n", id->ident); - io_delay_type = CONFIG_IO_DELAY_TYPE_0XED; - } - - return 0; -} - -/* - * Quirk table for systems that misbehave (lock up, etc.) if port - * 0x80 is used: - */ -static struct dmi_system_id __initdata io_delay_0xed_port_dmi_table[] = { - { - .callback = dmi_io_delay_0xed_port, - .ident = "Compaq Presario V6000", - .matches = { - DMI_MATCH(DMI_BOARD_VENDOR, "Quanta"), - DMI_MATCH(DMI_BOARD_NAME, "30B7") - } - }, - { - .callback = dmi_io_delay_0xed_port, - .ident = "HP Pavilion dv9000z", - .matches = { - DMI_MATCH(DMI_BOARD_VENDOR, "Quanta"), - DMI_MATCH(DMI_BOARD_NAME, "30B9") - } - }, - { - .callback = dmi_io_delay_0xed_port, - .ident = "HP Pavilion dv6000", - .matches = { - DMI_MATCH(DMI_BOARD_VENDOR, "Quanta"), - DMI_MATCH(DMI_BOARD_NAME, "30B8") - } - }, - { - .callback = dmi_io_delay_0xed_port, - .ident = "HP Pavilion tx1000", - .matches = { - DMI_MATCH(DMI_BOARD_VENDOR, "Quanta"), - DMI_MATCH(DMI_BOARD_NAME, "30BF") - } - }, - { - .callback = dmi_io_delay_0xed_port, - .ident = "Presario F700", - .matches = { - DMI_MATCH(DMI_BOARD_VENDOR, "Quanta"), - DMI_MATCH(DMI_BOARD_NAME, "30D3") - } - }, - { } -}; - -void __init io_delay_init(void) -{ - if (!io_delay_override) - dmi_check_system(io_delay_0xed_port_dmi_table); -} - -static int __init io_delay_param(char *s) -{ - if (!s) - return -EINVAL; - - if (!strcmp(s, "0x80")) - io_delay_type = CONFIG_IO_DELAY_TYPE_0X80; - else if (!strcmp(s, "0xed")) - io_delay_type = CONFIG_IO_DELAY_TYPE_0XED; - else if (!strcmp(s, "udelay")) - io_delay_type = CONFIG_IO_DELAY_TYPE_UDELAY; - else if (!strcmp(s, "none")) - io_delay_type = CONFIG_IO_DELAY_TYPE_NONE; - else - return -EINVAL; - - io_delay_override = 1; - return 0; -} - -early_param("io_delay", io_delay_param); |