Re: [PATCH v2 5/6] firmware: Add request_firmware_prefer_user() function

2017-11-10 Thread Luis R. Rodriguez
On Fri, Nov 10, 2017 at 10:08:19PM +0100, Pali Rohár wrote: > On Friday 10 November 2017 21:26:01 Luis R. Rodriguez wrote: > > On Fri, Nov 10, 2017 at 12:38:27AM +0100, Pali Rohár wrote: > > > This function works pretty much like request_firmware(), but it prefer > > > usermode helper. If usermode

Re: [PATCH v2 5/6] firmware: Add request_firmware_prefer_user() function

2017-11-10 Thread Pali Rohár
On Friday 10 November 2017 21:26:01 Luis R. Rodriguez wrote: > On Fri, Nov 10, 2017 at 12:38:27AM +0100, Pali Rohár wrote: > > This function works pretty much like request_firmware(), but it prefer > > usermode helper. If usermode helper fails then it fallback to direct > > access. Useful for dynam

Re: [PATCH v2 5/6] firmware: Add request_firmware_prefer_user() function

2017-11-10 Thread Luis R. Rodriguez
On Fri, Nov 10, 2017 at 12:26 PM, Luis R. Rodriguez wrote: > even if you *leave* the flag in place and a driver required > this, but the kernel was compiled without CONFIG_FW_LOADER_USER_HELPER then > calling fw_load_from_user_helper would just already return -ENOENT, as such it > would in turn fa

Re: [PATCH v2 5/6] firmware: Add request_firmware_prefer_user() function

2017-11-10 Thread Luis R. Rodriguez
On Fri, Nov 10, 2017 at 12:38:27AM +0100, Pali Rohár wrote: > This function works pretty much like request_firmware(), but it prefer > usermode helper. If usermode helper fails then it fallback to direct > access. Useful for dynamic or model specific firmware data. > > Signed-off-by: Pali Rohár >

[PATCH v2 5/6] firmware: Add request_firmware_prefer_user() function

2017-11-09 Thread Pali Rohár
This function works pretty much like request_firmware(), but it prefer usermode helper. If usermode helper fails then it fallback to direct access. Useful for dynamic or model specific firmware data. Signed-off-by: Pali Rohár --- drivers/base/firmware_class.c | 45 +