From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Return-Path: Date: Thu, 1 Nov 2018 19:33:36 +0100 From: Anatolij Gustschin Subject: Re: [PATCH] fpga: xilinx-spi: Use unique FPGA manager names Message-ID: <20181101193336.766566fc@crub> In-Reply-To: References: <20181029144222.26927-1-agust@denx.de> <20181029164857.GA2453@archbook> <20181030121913.3f5f8458@crub> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit To: Alan Tull Cc: Moritz Fischer , linux-fpga@vger.kernel.org List-ID: On Thu, 1 Nov 2018 13:21:00 -0500 Alan Tull atull@kernel.org wrote: >On Tue, Oct 30, 2018 at 6:19 AM Anatolij Gustschin wrote: >> >> Hi Moritz, >> >> On Mon, 29 Oct 2018 09:48:57 -0700 >> Moritz Fischer mdf@kernel.org wrote: >> ... >> >Sounds like a udev problem that can be solved by looking at the >> >parent device? >> >> Yes, but there are still all kinds of small embedded systems >> without udev/systemd support. > >What do you see if you look at the following for your fpga manager >(may be other than fpga0)? > >/sys/class/fpga_manager/fpga0/device > >or > > /sys/class/fpga_manager/fpga0/of_node of_node isn't there, it is a non-dt platform. # ls -l /sys/class/fpga_manager/fpga0/device lrwxrwxrwx 1 root root 0 Nov 1 19:26 /sys/class/fpga_manager/fpga0/device -> ../../../spi1.0 # ls -l /sys/class/fpga_manager/fpga0/device/ total 0 lrwxrwxrwx 1 root root 0 Nov 1 16:48 driver -> ../../../../../../../../../../../../bus/spi/drivers/altera-ps-spi -rw-r--r-- 1 root root 4096 Nov 1 19:26 driver_override drwxr-xr-x 3 root root 0 Nov 1 16:48 fpga_manager -r--r--r-- 1 root root 4096 Nov 1 19:26 modalias drwxr-xr-x 2 root root 0 Nov 1 19:26 power drwxr-xr-x 2 root root 0 Nov 1 19:26 statistics lrwxrwxrwx 1 root root 0 Nov 1 16:48 subsystem -> ../../../../../../../../../../../../bus/spi -rw-r--r-- 1 root root 4096 Nov 1 16:48 uevent Thanks, Anatolij