| .. | .. |
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| 13 | 13 | #include <linux/dmi.h> |
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| 14 | 14 | #include <linux/io.h> |
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| 15 | 15 | |
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| 16 | | -int io_delay_type __read_mostly = CONFIG_DEFAULT_IO_DELAY_TYPE; |
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| 16 | +#define IO_DELAY_TYPE_0X80 0 |
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| 17 | +#define IO_DELAY_TYPE_0XED 1 |
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| 18 | +#define IO_DELAY_TYPE_UDELAY 2 |
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| 19 | +#define IO_DELAY_TYPE_NONE 3 |
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| 20 | + |
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| 21 | +#if defined(CONFIG_IO_DELAY_0X80) |
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| 22 | +#define DEFAULT_IO_DELAY_TYPE IO_DELAY_TYPE_0X80 |
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| 23 | +#elif defined(CONFIG_IO_DELAY_0XED) |
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| 24 | +#define DEFAULT_IO_DELAY_TYPE IO_DELAY_TYPE_0XED |
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| 25 | +#elif defined(CONFIG_IO_DELAY_UDELAY) |
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| 26 | +#define DEFAULT_IO_DELAY_TYPE IO_DELAY_TYPE_UDELAY |
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| 27 | +#elif defined(CONFIG_IO_DELAY_NONE) |
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| 28 | +#define DEFAULT_IO_DELAY_TYPE IO_DELAY_TYPE_NONE |
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| 29 | +#endif |
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| 30 | + |
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| 31 | +int io_delay_type __read_mostly = DEFAULT_IO_DELAY_TYPE; |
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| 17 | 32 | |
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| 18 | 33 | static int __initdata io_delay_override; |
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| 19 | 34 | |
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| .. | .. |
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| 24 | 39 | { |
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| 25 | 40 | switch (io_delay_type) { |
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| 26 | 41 | default: |
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| 27 | | - case CONFIG_IO_DELAY_TYPE_0X80: |
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| 42 | + case IO_DELAY_TYPE_0X80: |
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| 28 | 43 | asm volatile ("outb %al, $0x80"); |
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| 29 | 44 | break; |
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| 30 | | - case CONFIG_IO_DELAY_TYPE_0XED: |
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| 45 | + case IO_DELAY_TYPE_0XED: |
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| 31 | 46 | asm volatile ("outb %al, $0xed"); |
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| 32 | 47 | break; |
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| 33 | | - case CONFIG_IO_DELAY_TYPE_UDELAY: |
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| 48 | + case IO_DELAY_TYPE_UDELAY: |
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| 34 | 49 | /* |
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| 35 | 50 | * 2 usecs is an upper-bound for the outb delay but |
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| 36 | 51 | * note that udelay doesn't have the bus-level |
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| .. | .. |
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| 39 | 54 | * are shorter until calibrated): |
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| 40 | 55 | */ |
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| 41 | 56 | udelay(2); |
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| 42 | | - case CONFIG_IO_DELAY_TYPE_NONE: |
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| 57 | + break; |
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| 58 | + case IO_DELAY_TYPE_NONE: |
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| 43 | 59 | break; |
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| 44 | 60 | } |
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| 45 | 61 | } |
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| .. | .. |
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| 47 | 63 | |
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| 48 | 64 | static int __init dmi_io_delay_0xed_port(const struct dmi_system_id *id) |
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| 49 | 65 | { |
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| 50 | | - if (io_delay_type == CONFIG_IO_DELAY_TYPE_0X80) { |
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| 66 | + if (io_delay_type == IO_DELAY_TYPE_0X80) { |
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| 51 | 67 | pr_notice("%s: using 0xed I/O delay port\n", id->ident); |
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| 52 | | - io_delay_type = CONFIG_IO_DELAY_TYPE_0XED; |
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| 68 | + io_delay_type = IO_DELAY_TYPE_0XED; |
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| 53 | 69 | } |
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| 54 | 70 | |
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| 55 | 71 | return 0; |
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| .. | .. |
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| 115 | 131 | return -EINVAL; |
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| 116 | 132 | |
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| 117 | 133 | if (!strcmp(s, "0x80")) |
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| 118 | | - io_delay_type = CONFIG_IO_DELAY_TYPE_0X80; |
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| 134 | + io_delay_type = IO_DELAY_TYPE_0X80; |
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| 119 | 135 | else if (!strcmp(s, "0xed")) |
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| 120 | | - io_delay_type = CONFIG_IO_DELAY_TYPE_0XED; |
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| 136 | + io_delay_type = IO_DELAY_TYPE_0XED; |
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| 121 | 137 | else if (!strcmp(s, "udelay")) |
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| 122 | | - io_delay_type = CONFIG_IO_DELAY_TYPE_UDELAY; |
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| 138 | + io_delay_type = IO_DELAY_TYPE_UDELAY; |
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| 123 | 139 | else if (!strcmp(s, "none")) |
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| 124 | | - io_delay_type = CONFIG_IO_DELAY_TYPE_NONE; |
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| 140 | + io_delay_type = IO_DELAY_TYPE_NONE; |
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| 125 | 141 | else |
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| 126 | 142 | return -EINVAL; |
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| 127 | 143 | |
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