Re: [PATCH v3] memory: omap-gpmc: Fix build error without CONFIG_OF

From: Krzysztof Kozlowski <krzk@kernel.org>
To: Roger Quadros <rogerq@ti.com>
Cc: YueHaibing <yuehaibing@huawei.com>,
	tony@atomide.com, ladis@linux-mips.org, bbrezillon@kernel.org,
	peter.ujfalusi@ti.com, linux-omap@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3] memory: omap-gpmc: Fix build error without CONFIG_OF
Date: Thu, 27 Aug 2020 21:31:37 +0200	[thread overview]
Message-ID: <20200827193137.GA7882@kozik-lap> (raw)
In-Reply-To: <45d3fa05-01e8-c879-e314-ae627ca4c266@ti.com>

On Thu, Aug 27, 2020 at 07:37:18PM +0300, Roger Quadros wrote:
> 
> 
> On 27/08/2020 16:21, Krzysztof Kozlowski wrote:
> > On Thu, Aug 27, 2020 at 08:53:16PM +0800, YueHaibing wrote:
> > > If CONFIG_OF is n, gcc fails:
> > > 
> > > drivers/memory/omap-gpmc.o: In function `gpmc_omap_onenand_set_timings':
> > > omap-gpmc.c:(.text+0x2a88): undefined reference to `gpmc_read_settings_dt'
> > > 
> > > Add gpmc_read_settings_dt() helper function, which zero the gpmc_settings
> > > so the caller doesn't proceed with random/invalid settings.
> > > 
> > > Fixes: a758f50f10cf ("mtd: onenand: omap2: Configure driver from DT")
> > > Signed-off-by: YueHaibing <yuehaibing@huawei.com>
> > > ---
> > > v3: zero gpmc_settings
> > > v2: add gpmc_read_settings_dt() stub
> > > ---
> > >   drivers/memory/omap-gpmc.c | 4 ++++
> > >   1 file changed, 4 insertions(+)
> > > 
> > > diff --git a/drivers/memory/omap-gpmc.c b/drivers/memory/omap-gpmc.c
> > > index cd9e80748591..e026b4cd3612 100644
> > > --- a/drivers/memory/omap-gpmc.c
> > > +++ b/drivers/memory/omap-gpmc.c
> > > @@ -2310,6 +2310,10 @@ static void gpmc_probe_dt_children(struct platform_device *pdev)
> > >   	}
> > >   }
> > >   #else
> > > +void gpmc_read_settings_dt(struct device_node *np, struct gpmc_settings *p)
> > > +{
> > > +	memset(p, 0, sizeof(struct gpmc_settings));
> > 
> > sizeof(*p) but if patch is otherwise ok (got review/ack) then I can fix
> > it while applying.
> > 
> > If there is resend, please fix it as well.
> 
> With the sizeof(*p) change.
> 
> Acked-by: Roger Quadros <rogerq@ti.com>

Thanks, applied.

Best regards,
Krzysztof