From: Thorsten Scherer <T.Scherer@eckelmann.de>
To: Raag Jadav <raag.jadav@intel.com>
Cc: u.kleine-koenig@pengutronix.de, jarkko.nikula@linux.intel.com,
mika.westerberg@linux.intel.com,
andriy.shevchenko@linux.intel.com, lakshmi.sowjanya.d@intel.com,
linux-pwm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 2/4] pwm: dwc: drop redundant error check
Date: Mon, 19 Feb 2024 09:00:33 +0100 [thread overview]
Message-ID: <arjrsej4vylprpevarvzufj5fp77hy7m4cotjubc7ufteegqxu@b5btt5aqjz65> (raw)
In-Reply-To: <m57yqdldszy3s44p5rdxd6kwii5tqzqa44aaevpe7bep2yyeuo@wls3ad3gcl7y>
Hello,
On Mon, Feb 19, 2024 at 08:11:01AM +0100, Thorsten Scherer wrote:
> Hello,
>
> On Mon, Feb 19, 2024 at 09:08:33AM +0530, Raag Jadav wrote:
> > pcim_iomap_table() fails only if pcim_iomap_regions() fails. No need to
> > check for failure if the latter is already successful.
> >
> > Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> > Signed-off-by: Raag Jadav <raag.jadav@intel.com>
> > Tested-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
> > ---
> > drivers/pwm/pwm-dwc.c | 5 +----
> > 1 file changed, 1 insertion(+), 4 deletions(-)
> >
> > diff --git a/drivers/pwm/pwm-dwc.c b/drivers/pwm/pwm-dwc.c
> > index c0e586688e57..7dbb72c80ef5 100644
> > --- a/drivers/pwm/pwm-dwc.c
> > +++ b/drivers/pwm/pwm-dwc.c
> > @@ -51,11 +51,8 @@ static int dwc_pwm_probe(struct pci_dev *pci, const struct pci_device_id *id)
> > return ret;
> > }
> >
> > + /* No need to check for failure, pcim_iomap_regions() does it for us. */
>
> IMHO this comment could be omitted.
I somehow overlooked the discussion in the v2. Please ignore my
previous mail.
> > dwc->base = pcim_iomap_table(pci)[0];
> > - if (!dwc->base) {
> > - dev_err(dev, "Base address missing\n");
> > - return -ENOMEM;
> > - }
> >
> > ret = devm_pwmchip_add(dev, chip);
> > if (ret)
> > --
> > 2.35.3
> >
> >
>
> Best regards
> Thorsten
Best regards
Thorsten
next prev parent reply other threads:[~2024-02-19 8:00 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-19 3:38 [PATCH v4 0/4] DesignWare PWM improvements Raag Jadav
2024-02-19 3:38 ` [PATCH v4 1/4] pwm: dwc: Fix PM regression Raag Jadav
2024-02-19 7:22 ` Uwe Kleine-König
2024-02-19 9:05 ` Raag Jadav
2024-02-19 3:38 ` [PATCH v4 2/4] pwm: dwc: drop redundant error check Raag Jadav
2024-02-19 7:11 ` Thorsten Scherer
2024-02-19 7:27 ` Uwe Kleine-König
2024-02-19 9:15 ` Raag Jadav
2024-02-19 8:00 ` Thorsten Scherer [this message]
2024-02-19 3:38 ` [PATCH v4 3/4] pwm: dwc: Add 16 channel support for Intel Elkhart Lake Raag Jadav
2024-02-19 3:38 ` [PATCH v4 4/4] pwm: dwc: simplify error handling Raag Jadav
2024-02-20 16:00 ` [PATCH v4 0/4] DesignWare PWM improvements Uwe Kleine-König
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