diff options
| author | Maciej W. Rozycki <macro@orcam.me.uk> | 2021-03-21 20:55:27 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-04-06 09:27:30 -0600 |
| commit | 6ddcec9547f64f01186e76e29d67e193b52ac30f (patch) | |
| tree | 8118cadec72215fb026e61640a091cf944699b04 | |
| parent | 426e2c6a2c383c9b1f9c74b7815252da89b3b8ab (diff) | |
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>
| -rw-r--r-- | Documentation/admin-guide/kernel-parameters.txt | 7 | ||||
| -rw-r--r-- | drivers/ata/pata_platform.c | 4 |
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"); |