From patchwork Mon Oct 9 22:46:50 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Packham X-Patchwork-Id: 823592 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=alliedtelesis.co.nz header.i=@alliedtelesis.co.nz header.b="wEHKx+Kt"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3y9wPf45Dnz9t5R for ; Tue, 10 Oct 2017 09:48:06 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755707AbdJIWsF (ORCPT ); Mon, 9 Oct 2017 18:48:05 -0400 Received: from gate2.alliedtelesis.co.nz ([202.36.163.20]:42780 "EHLO gate2.alliedtelesis.co.nz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755507AbdJIWrN (ORCPT ); Mon, 9 Oct 2017 18:47:13 -0400 Received: from mmarshal3.atlnz.lc (mmarshal3.atlnz.lc [10.32.18.43]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by gate2.alliedtelesis.co.nz (Postfix) with ESMTPS id 902E68365F; Tue, 10 Oct 2017 11:47:07 +1300 (NZDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alliedtelesis.co.nz; s=mail; t=1507589227; bh=sDuK/7AZrxS5z7GO8RHABNSKtwJRGKA3EfRxo+8U9go=; h=From:To:Cc:Subject:Date; b=wEHKx+KtmFnQ+OYB5HST7A5ZKHFnZiO28fe6IGk6QZMKM2U7EMBc+hCPWdbzfybgi yhND4JXUn5V/hVLyBz7ZqgoEZUH1h45SdrrUnfCQV9r7D7YzT7tBQEXcM1MeV7T+el +vx2mnYoaveCYBcvsjdQRZ0pXMGoK8fyfZXOGihE= Received: from smtp (Not Verified[10.32.16.33]) by mmarshal3.atlnz.lc with Trustwave SEG (v7, 5, 8, 10121) id ; Tue, 10 Oct 2017 11:47:08 +1300 Received: from chrisp-dl.ws.atlnz.lc (chrisp-dl.ws.atlnz.lc [10.33.22.30]) by smtp (Postfix) with ESMTP id AEDD213EF06; Tue, 10 Oct 2017 11:47:14 +1300 (NZDT) Received: by chrisp-dl.ws.atlnz.lc (Postfix, from userid 1030) id 651461E21D4; Tue, 10 Oct 2017 11:47:02 +1300 (NZDT) From: Chris Packham To: robh+dt@kernel.org, mark.rutland@arm.com, gregkh@linuxfoundation.org Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Chris Packham Subject: [PATCH v3 0/5] using uio_pdrv_genirq without module param Date: Tue, 10 Oct 2017 11:46:50 +1300 Message-Id: <20171009224655.6173-1-chris.packham@alliedtelesis.co.nz> X-Mailer: git-send-email 2.14.2 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org I found myself about to add a driver that was a sub-optimal clone of uio_pdrv_genirq the only difference was that I didn't want to modify the args passed to the kernel by my bootloader. If uio_pdrv_genirq had a default of_match entry I could simply use that. This series attempts to implement this. I wonder if it is worth having a catch-all compat string for this driver "generic-dev" or something. People seem to be ok with spidev not having any such fallback so perhaps there is no-need (other than the 2 devices I want to support with userspace drivers). Changes in v2: - added a better commit message to 1/2 - remove bogus checkpatch fix in 2/2 Changes in v3: - As suggested by Rob document the bindings for the hardware and treat uio_pdrv_genirq.c as one potential implementer of a compatible driver. Following the model used by spidev.c - Patches 1-3 replace patch 1 from v2 of this series - Patches 4-5 replace patch 2 from v2 Chris Packham (5): uio: dt-bindings: document existing binding for uio-pdrv-genirq uio: dt-bindings: Add binding for "st,stm32f100" uio: dt-bindings: Add binding for "marvell,88e2040" uio: uio_pdrv_genirq: Add st,stm32f100 to dt compatible list uio: uio_pdrv_genirq: Add "marvell,88e2040" to dt compatible list .../devicetree/bindings/uio/uio-pdrv-genirq.txt | 28 ++++++++++++++++++++++ drivers/uio/uio_pdrv_genirq.c | 4 +++- 2 files changed, 31 insertions(+), 1 deletion(-) create mode 100644 Documentation/devicetree/bindings/uio/uio-pdrv-genirq.txt