From: Greg KH <gregkh@linuxfoundation.org>
To: Dipen Patel <dipenp@nvidia.com>
Cc: thierry.reding@gmail.com, jonathanh@nvidia.com,
linux-kernel@vger.kernel.org, linux-tegra@vger.kernel.org,
linux-gpio@vger.kernel.org, linus.walleij@linaro.org,
bgolaszewski@baylibre.com, warthog618@gmail.com,
devicetree@vger.kernel.org, linux-doc@vger.kernel.org,
robh+dt@kernel.org
Subject: Re: [RFC 02/11] drivers: Add HTE subsystem
Date: Mon, 5 Jul 2021 09:30:30 +0200 [thread overview]
Message-ID: <YOK1Fq45P/DeqxAA@kroah.com> (raw)
In-Reply-To: <20210625235532.19575-3-dipenp@nvidia.com>
On Fri, Jun 25, 2021 at 04:55:23PM -0700, Dipen Patel wrote:
> +static void hte_chip_dbgfs_init(struct hte_device *gdev)
> +{
> + const struct hte_chip *chip = gdev->chip;
> + const char *name = chip->name ? chip->name : dev_name(chip->dev);
> +
> + gdev->dbg_root = debugfs_create_dir(name, hte_root);
> + if (!gdev->dbg_root)
> + return;
No need to check for this, if it fails, your other debugfs calls
will handle it just fine.
> +
> + debugfs_create_atomic_t("ts_requested", 0444, gdev->dbg_root,
> + &gdev->ts_req);
> + debugfs_create_u32("total_ts", 0444, gdev->dbg_root,
> + &gdev->nlines);
> +}
> +
> +static void hte_ts_dbgfs_init(const char *name, struct hte_ts_info *ei)
> +{
> + if (!ei->gdev->dbg_root || !name)
> + return;
> +
> + ei->ts_dbg_root = debugfs_create_dir(name, ei->gdev->dbg_root);
> + if (!ei->ts_dbg_root)
> + return;
Again, no need to check.
> +
> + debugfs_create_size_t("ts_buffer_depth", 0444, ei->ts_dbg_root,
> + &ei->buf->datum_len);
> + debugfs_create_size_t("ts_buffer_watermark", 0444, ei->ts_dbg_root,
> + &ei->buf->watermark);
> + debugfs_create_atomic_t("dropped_timestamps", 0444, ei->ts_dbg_root,
> + &ei->dropped_ts);
> +}
> +
> +static inline void hte_dbgfs_deinit(struct dentry *root)
> +{
> + if (!root)
> + return;
No need to check this.
> +
> + debugfs_remove_recursive(root);
Do not wrap a single call with another call :)
thanks,
greg k-h
next prev parent reply other threads:[~2021-07-05 7:30 UTC|newest]
Thread overview: 75+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-25 23:55 [RFC 00/11] Intro to Hardware timestamping engine Dipen Patel
2021-06-25 23:55 ` [RFC 01/11] Documentation: Add HTE subsystem guide Dipen Patel
2021-07-04 18:55 ` Jonathan Cameron
2021-07-27 23:44 ` Dipen Patel
2021-08-01 15:24 ` Jonathan Cameron
2021-06-25 23:55 ` [RFC 02/11] drivers: Add HTE subsystem Dipen Patel
2021-06-27 17:40 ` Randy Dunlap
2021-07-04 20:15 ` Jonathan Cameron
2021-07-04 20:45 ` Jonathan Cameron
2021-07-28 5:12 ` Dipen Patel
2021-08-01 16:48 ` Jonathan Cameron
2021-07-28 4:38 ` Dipen Patel
2021-08-01 16:13 ` Jonathan Cameron
2021-09-14 5:43 ` Dipen Patel
2021-09-26 15:42 ` Jonathan Cameron
2021-07-05 7:30 ` Greg KH [this message]
2021-07-28 0:34 ` Dipen Patel
2021-06-25 23:55 ` [RFC 03/11] hte: Add tegra194 HTE kernel provider Dipen Patel
2021-07-01 14:21 ` Kent Gibson
2021-07-28 23:59 ` Dipen Patel
2021-07-30 7:01 ` Dipen Patel
2021-07-31 15:43 ` Kent Gibson
2021-08-03 22:40 ` Dipen Patel
2021-08-03 23:02 ` Kent Gibson
2021-08-07 2:41 ` Dipen Patel
2021-08-07 3:07 ` Kent Gibson
2021-08-07 4:52 ` Dipen Patel
2021-08-07 4:51 ` Kent Gibson
2021-08-07 5:35 ` Dipen Patel
2021-08-07 5:42 ` Kent Gibson
2021-08-07 5:47 ` Dipen Patel
2021-07-04 20:27 ` Jonathan Cameron
2021-07-29 2:42 ` Dipen Patel
2021-07-08 23:33 ` Michał Mirosław
2021-07-29 2:43 ` Dipen Patel
2021-06-25 23:55 ` [RFC 04/11] dt-bindings: Add HTE bindings Dipen Patel
2021-06-27 10:56 ` Linus Walleij
2021-07-30 1:32 ` Dipen Patel
2021-07-01 14:02 ` Rob Herring
2021-07-30 1:56 ` Dipen Patel
2021-07-01 15:54 ` Rob Herring
2021-07-30 1:58 ` Dipen Patel
2021-06-25 23:55 ` [RFC 05/11] hte: Add Tegra194 IRQ HTE test driver Dipen Patel
2021-06-27 17:42 ` Randy Dunlap
2021-06-25 23:55 ` [RFC 06/11] gpiolib: Add HTE support Dipen Patel
2021-06-27 11:41 ` Linus Walleij
2021-07-01 14:24 ` Kent Gibson
2021-07-30 2:25 ` Dipen Patel
2021-07-31 5:13 ` Kent Gibson
2021-06-25 23:55 ` [RFC 07/11] gpio: tegra186: Add HTE in gpio-tegra186 driver Dipen Patel
2021-06-25 23:55 ` [RFC 08/11] gpiolib: cdev: Add hardware timestamp clock type Dipen Patel
2021-06-27 11:38 ` Linus Walleij
2021-06-27 11:49 ` Linus Walleij
2021-07-30 3:16 ` Dipen Patel
2021-07-01 14:24 ` Kent Gibson
2021-07-30 3:07 ` Dipen Patel
2021-07-31 6:05 ` Kent Gibson
2021-08-03 22:41 ` Dipen Patel
2021-08-03 22:38 ` Kent Gibson
2021-07-09 8:30 ` Jon Hunter
2021-07-30 2:33 ` Dipen Patel
2021-08-03 16:42 ` Jon Hunter
2021-08-03 22:51 ` Dipen Patel
2021-08-03 23:09 ` Kent Gibson
2021-06-25 23:55 ` [RFC 09/11] tools: gpio: Add new hardware " Dipen Patel
2021-06-27 11:36 ` Linus Walleij
2021-07-30 3:17 ` Dipen Patel
2021-07-31 6:16 ` Kent Gibson
2021-08-11 9:11 ` Linus Walleij
2021-06-25 23:55 ` [RFC 10/11] hte: Add tegra GPIO HTE test driver Dipen Patel
2021-06-27 17:43 ` Randy Dunlap
2021-06-25 23:55 ` [RFC 11/11] MAINTAINERS: Added HTE Subsystem Dipen Patel
2021-06-27 13:07 ` [RFC 00/11] Intro to Hardware timestamping engine Andy Shevchenko
2021-06-27 14:40 ` Linus Walleij
2021-06-28 12:02 ` Andy Shevchenko
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