Re: [PATCH 054/102] PCI: rockchip: explicitly request exclusive reset control

Path	csiph.com!aioe.org!bofh.it!news.nic.it!robomod
From	Bjorn Helgaas <helgaas@kernel.org>
Newsgroups	linux.kernel
Subject	Re: [PATCH 054/102] PCI: rockchip: explicitly request exclusive reset control
Date	Thu, 03 Aug 2017 23:50:01 +0200
Message-ID	<uawad-5UG-9@gated-at.bofh.it> (permalink)
References	<u4Z5f-1XQ-3@gated-at.bofh.it> <u4ZoB-27S-19@gated-at.bofh.it>
X-Original-To	Philipp Zabel <p.zabel@pengutronix.de>
Dmarc-Filter	OpenDMARC Filter v1.3.2 mail.kernel.org 8C2C522B5D
Authentication-Results	mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.org
Authentication-Results	mail.kernel.org; spf=none smtp.mailfrom=helgaas@kernel.org
MIME-Version	1.0
Content-Type	text/plain; charset=us-ascii
Content-Disposition	inline
User-Agent	Mutt/1.5.21 (2010-09-15)
Sender	robomod@news.nic.it
List-ID	<linux-kernel.vger.kernel.org>
X-Mailing-List	linux-kernel@vger.kernel.org
Approved	robomod@news.nic.it
Lines	87
Organization	linux.* mail to news gateway
X-Original-Cc	linux-kernel@vger.kernel.org, Shawn Lin <shawn.lin@rock-chips.com>, Bjorn Helgaas <bhelgaas@google.com>, Heiko Stuebner <heiko@sntech.de>, linux-pci@vger.kernel.org, linux-rockchip@lists.infradead.org
X-Original-Date	Thu, 3 Aug 2017 16:43:59 -0500
X-Original-Message-ID	<20170803214359.GE20308@bhelgaas-glaptop.roam.corp.google.com>
X-Original-References	<20170719152646.25903-1-p.zabel@pengutronix.de> <20170719152646.25903-55-p.zabel@pengutronix.de>
X-Original-Sender	linux-kernel-owner@vger.kernel.org
Xref	csiph.com linux.kernel:1703446

Show key headers only | View raw

On Wed, Jul 19, 2017 at 05:25:58PM +0200, Philipp Zabel wrote:
> Commit a53e35db70d1 ("reset: Ensure drivers are explicit when requesting
> reset lines") started to transition the reset control request API calls
> to explicitly state whether the driver needs exclusive or shared reset
> control behavior. Convert all drivers requesting exclusive resets to the
> explicit API call so the temporary transition helpers can be removed.
> 
> No functional changes.
> 
> Cc: Shawn Lin <shawn.lin@rock-chips.com>
> Cc: Bjorn Helgaas <bhelgaas@google.com>
> Cc: Heiko Stuebner <heiko@sntech.de>
> Cc: linux-pci@vger.kernel.org
> Cc: linux-rockchip@lists.infradead.org
> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>

Applied with Shawn's ack to pci/host-rockchip for v4.14, thanks!

> ---
>  drivers/pci/host/pcie-rockchip.c | 15 ++++++++-------
>  1 file changed, 8 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/pci/host/pcie-rockchip.c b/drivers/pci/host/pcie-rockchip.c
> index 7bb9870f6d8ce..e50d6f5a81f4b 100644
> --- a/drivers/pci/host/pcie-rockchip.c
> +++ b/drivers/pci/host/pcie-rockchip.c
> @@ -903,49 +903,50 @@ static int rockchip_pcie_parse_dt(struct rockchip_pcie *rockchip)
>  	if (rockchip->link_gen < 0 || rockchip->link_gen > 2)
>  		rockchip->link_gen = 2;
>  
> -	rockchip->core_rst = devm_reset_control_get(dev, "core");
> +	rockchip->core_rst = devm_reset_control_get_exclusive(dev, "core");
>  	if (IS_ERR(rockchip->core_rst)) {
>  		if (PTR_ERR(rockchip->core_rst) != -EPROBE_DEFER)
>  			dev_err(dev, "missing core reset property in node\n");
>  		return PTR_ERR(rockchip->core_rst);
>  	}
>  
> -	rockchip->mgmt_rst = devm_reset_control_get(dev, "mgmt");
> +	rockchip->mgmt_rst = devm_reset_control_get_exclusive(dev, "mgmt");
>  	if (IS_ERR(rockchip->mgmt_rst)) {
>  		if (PTR_ERR(rockchip->mgmt_rst) != -EPROBE_DEFER)
>  			dev_err(dev, "missing mgmt reset property in node\n");
>  		return PTR_ERR(rockchip->mgmt_rst);
>  	}
>  
> -	rockchip->mgmt_sticky_rst = devm_reset_control_get(dev, "mgmt-sticky");
> +	rockchip->mgmt_sticky_rst = devm_reset_control_get_exclusive(dev,
> +								     "mgmt-sticky");
>  	if (IS_ERR(rockchip->mgmt_sticky_rst)) {
>  		if (PTR_ERR(rockchip->mgmt_sticky_rst) != -EPROBE_DEFER)
>  			dev_err(dev, "missing mgmt-sticky reset property in node\n");
>  		return PTR_ERR(rockchip->mgmt_sticky_rst);
>  	}
>  
> -	rockchip->pipe_rst = devm_reset_control_get(dev, "pipe");
> +	rockchip->pipe_rst = devm_reset_control_get_exclusive(dev, "pipe");
>  	if (IS_ERR(rockchip->pipe_rst)) {
>  		if (PTR_ERR(rockchip->pipe_rst) != -EPROBE_DEFER)
>  			dev_err(dev, "missing pipe reset property in node\n");
>  		return PTR_ERR(rockchip->pipe_rst);
>  	}
>  
> -	rockchip->pm_rst = devm_reset_control_get(dev, "pm");
> +	rockchip->pm_rst = devm_reset_control_get_exclusive(dev, "pm");
>  	if (IS_ERR(rockchip->pm_rst)) {
>  		if (PTR_ERR(rockchip->pm_rst) != -EPROBE_DEFER)
>  			dev_err(dev, "missing pm reset property in node\n");
>  		return PTR_ERR(rockchip->pm_rst);
>  	}
>  
> -	rockchip->pclk_rst = devm_reset_control_get(dev, "pclk");
> +	rockchip->pclk_rst = devm_reset_control_get_exclusive(dev, "pclk");
>  	if (IS_ERR(rockchip->pclk_rst)) {
>  		if (PTR_ERR(rockchip->pclk_rst) != -EPROBE_DEFER)
>  			dev_err(dev, "missing pclk reset property in node\n");
>  		return PTR_ERR(rockchip->pclk_rst);
>  	}
>  
> -	rockchip->aclk_rst = devm_reset_control_get(dev, "aclk");
> +	rockchip->aclk_rst = devm_reset_control_get_exclusive(dev, "aclk");
>  	if (IS_ERR(rockchip->aclk_rst)) {
>  		if (PTR_ERR(rockchip->aclk_rst) != -EPROBE_DEFER)
>  			dev_err(dev, "missing aclk reset property in node\n");
> -- 
> 2.11.0
>

Back to linux.kernel | Previous | Next | Find similar | Unroll thread

Thread

Re: [PATCH 054/102] PCI: rockchip: explicitly request exclusive  reset control Bjorn Helgaas <helgaas@kernel.org> - 2017-08-03 23:50 +0200

csiph-web