On Tue, Jun 11, 2019 at 08:50:45AM +0300, Oded Gabbay wrote: > --- a/drivers/misc/habanalabs/habanalabs_drv.c > +++ b/drivers/misc/habanalabs/habanalabs_drv.c > @@ -28,6 +28,7 @@ static DEFINE_MUTEX(hl_devs_idr_lock); > > static int timeout_locked = 5; > static int reset_on_lockup = 1; > +static int power9_64bit_dma_enable; > > module_param(timeout_locked, int, 0444); > MODULE_PARM_DESC(timeout_locked, > @@ -37,6 +38,10 @@ module_param(reset_on_lockup, int, 0444); > MODULE_PARM_DESC(reset_on_lockup, > "Do device reset on lockup (0 = no, 1 = yes, default yes)"); > > +module_param(power9_64bit_dma_enable, int, 0444); > +MODULE_PARM_DESC(power9_64bit_dma_enable, > + "Enable 64-bit DMA mask. Should be set only in POWER9 machine (0 = no, > 1 = yes, default no)"); > + > #define PCI_VENDOR_ID_HABANALABS 0x1da3 > > #define PCI_IDS_GOYA 0x0001
This is not the 1990's, please do not use module parameters. Yeah, you have a bunch of them already, but do not add additional ones that can be easily determined at runtime, like this one. thanks, greg k-h