Re: [PATCH 03/22] watchdog: aspeed_wdt: Use 'dev' instead of dereferencing it repeatedly

From: Andrew Jeffery
Date: Mon Apr 08 2019 - 21:06:24 EST




On Tue, 9 Apr 2019, at 10:33, Guenter Roeck wrote:
> Hi Andrew,
>
> On 4/8/19 5:37 PM, Andrew Jeffery wrote:
> >
> >
> > On Tue, 9 Apr 2019, at 05:09, Guenter Roeck wrote:
> >> Introduce local variable 'struct device *dev' and use it instead of
> >> dereferencing it repeatedly.
> >>
> >> The conversion was done automatically with coccinelle using the
> >> following semantic patches. The semantic patches and the scripts
> >> used to generate this commit log are available at
> >> https://github.com/groeck/coccinelle-patches
> >>
> >> Cc: Joel Stanley <joel@xxxxxxxxx>
> >> Cc: Andrew Jeffery <andrew@xxxxxxxx>
> >> Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
> >> ---
> >> drivers/watchdog/aspeed_wdt.c | 21 +++++++++++----------
> >> 1 file changed, 11 insertions(+), 10 deletions(-)
> >>
> >> diff --git a/drivers/watchdog/aspeed_wdt.c b/drivers/watchdog/aspeed_wdt.c
> >> index f09333fd54b4..34117745c65f 100644
> >> --- a/drivers/watchdog/aspeed_wdt.c
> >> +++ b/drivers/watchdog/aspeed_wdt.c
> >> @@ -187,6 +187,7 @@ static const struct watchdog_info aspeed_wdt_info = {
> >>
> >> static int aspeed_wdt_probe(struct platform_device *pdev)
> >> {
> >> + struct device *dev = &pdev->dev;
> >> const struct aspeed_wdt_config *config;
> >> const struct of_device_id *ofdid;
> >> struct aspeed_wdt *wdt;
> >> @@ -196,7 +197,7 @@ static int aspeed_wdt_probe(struct platform_device *pdev)
> >> u32 status;
> >> int ret;
> >>
> >> - wdt = devm_kzalloc(&pdev->dev, sizeof(*wdt), GFP_KERNEL);
> >> + wdt = devm_kzalloc(dev, sizeof(*wdt), GFP_KERNEL);
> >> if (!wdt)
> >> return -ENOMEM;
> >
> > Looks like it's missed this one somehow?
> >
> > wdt->base = devm_ioremap_resource(&pdev->dev, res);
> >
> > Otherwise,
> >
> > Reviewed-by: Andrew Jeffery <andrew@xxxxxxxx>
> >
>
> Assuming you mean the conversion to use devm_platform_ioremap_resource(),
> I had this already addressed with a single patch for all watchdog drivers.
>
> https://patchwork.kernel.org/patch/10882207/
>
> Sorry, I didn't Cc: you on that one - I limited the number of Cc:s to
> avoid being
> tagged as spammer.

That's the piece I was missing.

Thanks!

Andrew