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-rw-r--r--Documentation/admin-guide/kernel-parameters.txt7
-rw-r--r--drivers/ata/pata_platform.c4
2 files changed, 9 insertions, 2 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index d159503223b8..011129133b7a 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -3664,6 +3664,13 @@
By default set to 1 if CONFIG_PATA_WINBOND_VLB_MODULE,
0 otherwise.
+ pata_platform.pio_mask= [HW,LIBATA]
+ Format: <int>
+ Supported PIO mode mask. Set individual bits to allow
+ the use of the respective PIO modes. Bit 0 is for
+ mode 0, bit 1 is for mode 1, and so on. Mode 0 only
+ allowed by default.
+
pause_on_oops=
Halt all CPUs after the first oops has been printed for
the specified number of seconds. This is to be used if
diff --git a/drivers/ata/pata_platform.c b/drivers/ata/pata_platform.c
index 5aba691f09af..028329428b75 100644
--- a/drivers/ata/pata_platform.c
+++ b/drivers/ata/pata_platform.c
@@ -24,6 +24,8 @@
#define DRV_VERSION "1.2"
static int pio_mask = 1;
+module_param(pio_mask, int, 0);
+MODULE_PARM_DESC(pio_mask, "PIO modes supported, mode 0 only by default");
/*
* Provide our own set_mode() as we don't want to change anything that has
@@ -233,8 +235,6 @@ static struct platform_driver pata_platform_driver = {
module_platform_driver(pata_platform_driver);
-module_param(pio_mask, int, 0);
-
MODULE_AUTHOR("Paul Mundt");
MODULE_DESCRIPTION("low-level driver for platform device ATA");
MODULE_LICENSE("GPL");