From: Peter Chen <peter.chen@kernel.org>
To: "Théo Lebrun" <theo.lebrun@bootlin.com>
Cc: "Pawel Laszczak" <pawell@cadence.com>,
"Roger Quadros" <rogerq@kernel.org>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Mathias Nyman" <mathias.nyman@intel.com>,
"Grégory Clement" <gregory.clement@bootlin.com>,
"Thomas Petazzoni" <thomas.petazzoni@bootlin.com>,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v6 3/5] usb: cdns3: rename hibernated argument of role->resume() to lost_power
Date: Sat, 14 Dec 2024 16:51:34 +0800 [thread overview]
Message-ID: <20241214085134.GB4102926@nchen-desktop> (raw)
In-Reply-To: <20241210-s2r-cdns-v6-3-28a17f9715a2@bootlin.com>
On 24-12-10 18:13:37, Théo Lebrun wrote:
> The cdns_role_driver->resume() callback takes a second boolean argument
> named `hibernated` in its implementations. This is mistaken; the only
> potential caller is:
>
> int cdns_resume(struct cdns *cdns)
> {
> /* ... */
>
> if (cdns->roles[cdns->role]->resume)
> cdns->roles[cdns->role]->resume(cdns, cdns_power_is_lost(cdns));
>
> return 0;
> }
>
> The argument can be true in cases outside of return from hibernation.
> Reflect the true meaning by renaming both arguments to `lost_power`.
>
> Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com>
Acked-by: Peter Chen <peter.chen@kernel.org>
Peter
> ---
> drivers/usb/cdns3/cdns3-gadget.c | 4 ++--
> drivers/usb/cdns3/cdnsp-gadget.c | 2 +-
> drivers/usb/cdns3/core.h | 2 +-
> 3 files changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/usb/cdns3/cdns3-gadget.c b/drivers/usb/cdns3/cdns3-gadget.c
> index fd1beb10bba726cef258e7438d642f31d6567dfe..694aa14577390b6e9a98ce8c4685ac8f56e43ad4 100644
> --- a/drivers/usb/cdns3/cdns3-gadget.c
> +++ b/drivers/usb/cdns3/cdns3-gadget.c
> @@ -3468,7 +3468,7 @@ __must_hold(&cdns->lock)
> return 0;
> }
>
> -static int cdns3_gadget_resume(struct cdns *cdns, bool hibernated)
> +static int cdns3_gadget_resume(struct cdns *cdns, bool lost_power)
> {
> struct cdns3_device *priv_dev = cdns->gadget_dev;
>
> @@ -3476,7 +3476,7 @@ static int cdns3_gadget_resume(struct cdns *cdns, bool hibernated)
> return 0;
>
> cdns3_gadget_config(priv_dev);
> - if (hibernated)
> + if (lost_power)
> writel(USB_CONF_DEVEN, &priv_dev->regs->usb_conf);
>
> return 0;
> diff --git a/drivers/usb/cdns3/cdnsp-gadget.c b/drivers/usb/cdns3/cdnsp-gadget.c
> index 4a3f0f95825698f0524cace5c06bfcf27f763149..7d05180442fb94c5d1aab3d8ef766e365685f454 100644
> --- a/drivers/usb/cdns3/cdnsp-gadget.c
> +++ b/drivers/usb/cdns3/cdnsp-gadget.c
> @@ -1973,7 +1973,7 @@ static int cdnsp_gadget_suspend(struct cdns *cdns, bool do_wakeup)
> return 0;
> }
>
> -static int cdnsp_gadget_resume(struct cdns *cdns, bool hibernated)
> +static int cdnsp_gadget_resume(struct cdns *cdns, bool lost_power)
> {
> struct cdnsp_device *pdev = cdns->gadget_dev;
> enum usb_device_speed max_speed;
> diff --git a/drivers/usb/cdns3/core.h b/drivers/usb/cdns3/core.h
> index 57d47348dc193b1060f4543c2ef22905f464293b..921cccf1ca9db27a66b06c7c7873b13537c74b05 100644
> --- a/drivers/usb/cdns3/core.h
> +++ b/drivers/usb/cdns3/core.h
> @@ -30,7 +30,7 @@ struct cdns_role_driver {
> int (*start)(struct cdns *cdns);
> void (*stop)(struct cdns *cdns);
> int (*suspend)(struct cdns *cdns, bool do_wakeup);
> - int (*resume)(struct cdns *cdns, bool hibernated);
> + int (*resume)(struct cdns *cdns, bool lost_power);
> const char *name;
> #define CDNS_ROLE_STATE_INACTIVE 0
> #define CDNS_ROLE_STATE_ACTIVE 1
>
> --
> 2.47.1
>
next prev parent reply other threads:[~2024-12-14 8:51 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-10 17:13 [PATCH v6 0/5] Fix USB suspend on TI J7200 (cdns3-ti, cdns3, xhci) Théo Lebrun
2024-12-10 17:13 ` [PATCH v6 1/5] usb: cdns3-ti: move reg writes to separate function Théo Lebrun
2024-12-12 12:12 ` Roger Quadros
2024-12-10 17:13 ` [PATCH v6 2/5] usb: cdns3-ti: run HW init at resume() if HW was reset Théo Lebrun
2024-12-12 12:18 ` Roger Quadros
2024-12-13 15:28 ` Théo Lebrun
2024-12-17 21:13 ` Roger Quadros
2024-12-14 8:49 ` Peter Chen
2024-12-16 14:02 ` Théo Lebrun
2024-12-17 6:12 ` Peter Chen
2024-12-10 17:13 ` [PATCH v6 3/5] usb: cdns3: rename hibernated argument of role->resume() to lost_power Théo Lebrun
2024-12-14 8:51 ` Peter Chen [this message]
2024-12-10 17:13 ` [PATCH v6 4/5] xhci: introduce xhci->lost_power flag Théo Lebrun
2024-12-12 12:37 ` Roger Quadros
2024-12-13 16:03 ` Théo Lebrun
2024-12-17 21:00 ` Roger Quadros
2024-12-18 17:49 ` Théo Lebrun
2025-01-08 10:59 ` Théo Lebrun
2025-01-08 18:43 ` Mathias Nyman
2025-01-29 10:45 ` Théo Lebrun
2025-01-29 10:56 ` [PATCH 1/9] usb: host: xhci-plat: mvebu: use ->quirks instead of ->init_quirk() func Théo Lebrun
2025-01-29 10:56 ` [PATCH 2/9] usb: xhci: tegra: rename `runtime` boolean to `is_auto_runtime` Théo Lebrun
2025-01-29 10:56 ` [PATCH 3/9] usb: cdns3-ti: move reg writes to separate function Théo Lebrun
2025-01-29 10:56 ` [PATCH 4/9] usb: cdns3-ti: run HW init at resume() if HW was reset Théo Lebrun
2025-01-29 10:56 ` [PATCH 5/9] usb: cdns3: rename hibernated argument of role->resume() to lost_power Théo Lebrun
2025-01-29 10:56 ` [PATCH 6/9] usb: cdns3: call cdns_power_is_lost() only once in cdns_resume() Théo Lebrun
2025-01-29 10:56 ` [PATCH 7/9] usb: xhci: change xhci_resume() parameters to explicit the desired info Théo Lebrun
2025-01-29 10:56 ` [PATCH 8/9] usb: host: xhci-plat: allow upper layers to signal power loss Théo Lebrun
2025-01-29 10:56 ` [PATCH 9/9] usb: host: cdns3: forward lost power information to xhci Théo Lebrun
2024-12-10 17:13 ` [PATCH v6 5/5] usb: cdns3: host: transmit lost_power signal from wrapper to XHCI Théo Lebrun
2024-12-14 9:06 ` [PATCH v6 0/5] Fix USB suspend on TI J7200 (cdns3-ti, cdns3, xhci) Peter Chen
2024-12-16 14:09 ` Théo Lebrun
2024-12-17 6:17 ` Peter Chen
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20241214085134.GB4102926@nchen-desktop \
--to=peter.chen@kernel.org \
--cc=gregkh@linuxfoundation.org \
--cc=gregory.clement@bootlin.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-usb@vger.kernel.org \
--cc=mathias.nyman@intel.com \
--cc=pawell@cadence.com \
--cc=rogerq@kernel.org \
--cc=theo.lebrun@bootlin.com \
--cc=thomas.petazzoni@bootlin.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox