linux-kernel - Re: [PATCH v2 1/5] reset: add reset-simple to unify socfpga, stm32, sunxi, and zx2967

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Date:   Fri, 11 Aug 2017 10:39:03 -0500
From:   Dinh Nguyen <dinguyen@...nel.org>
To:     Philipp Zabel <p.zabel@...gutronix.de>,
        linux-kernel@...r.kernel.org
Cc:     Alexandru Gagniuc <alex.g@...ptrum.com>,
        Andre Przywara <andre.przywara@....com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Maxime Ripard <maxime.ripard@...e-electrons.com>,
        Chen-Yu Tsai <wens@...e.org>,
        Baoyou Xie <baoyou.xie@...aro.org>,
        Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com>,
        Steffen Trumtrar <s.trumtrar@...gutronix.de>,
        linux-arm-kernel@...ts.infradead.org, kernel@...gutronix.de
Subject: Re: [PATCH v2 1/5] reset: add reset-simple to unify socfpga, stm32,
 sunxi, and zx2967

Hi Phillip,

This patch is failing to apply on both v4.13-rc4 and linux-next:

error: patch failed: drivers/reset/reset-sunxi.c:108
error: drivers/reset/reset-sunxi.c: patch does not apply
Patch failed at 0001 reset: add reset-simple to unify socfpga, stm32,
sunxi, and zx2967


On 08/11/2017 08:06 AM, Philipp Zabel wrote:
> Split reusable parts out of the sunxi driver, to add a driver for simple
> reset controllers with reset lines that can be controlled by toggling
> bits in exclusive, contiguous register ranges using read-modify-write
> cycles under a spinlock. The separate sunxi driver still remains to
> register the early reset controllers, but it reuses the reset-simple
> ops.
> 
> The following patches will replace compatible reset drivers with
> reset-simple, extending it where necessary.
> 
> Signed-off-by: Philipp Zabel <p.zabel@...gutronix.de>
> ---
> Changes since v1:
> - Turn reset-simple into a complete platform driver.
> - Move common code out of assert and deassert ops into a helper function.
> - Add inverted flag to support both clear- and set-to-assert reset bits.
> - Remove status readback, will be added in the next patch.
> - Split out SoCFPGA and STM32 conversion into separate patches.
> ---

[snip]

> @@ -108,8 +55,9 @@ static int sunxi_reset_init(struct device_node *np)
>  
>  	data->rcdev.owner = THIS_MODULE;
>  	data->rcdev.nr_resets = size * 8;

I think the problem the above line. On both linux-next and v4.13-rc4:

data->rcdev.nr_resets = size * 32;

Dinh