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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/arch/x86/kernel/io_delay.c
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (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/io_delay.c')
-rw-r--r--ANDROID_3.4.5/arch/x86/kernel/io_delay.c131
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);