Commit 6ddcec95 authored Mar 21, 2021 by Maciej W. Rozycki Committed by Jens Axboe Apr 06, 2021

pata_platform: Document `pio_mask' module parameter



Add MODULE_PARM_DESC documentation and a kernel-parameters.txt entry.

Signed-off-by: Maciej W. Rozycki <macro@orcam.me.uk>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/alpine.DEB.2.21.2103212023190.21463@angie.orcam.me.uk


Signed-off-by: Jens Axboe <axboe@kernel.dk>

parent 426e2c6a

Documentation/admin-guide/kernel-parameters.txt

+7 −0

Original line number	Diff line number	Diff line
		@@ -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

drivers/ata/pata_platform.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -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");