From: Heikki Krogerus <heikki.krogerus@linux.intel.com>
To: Sven Peter <sven@svenpeter.dev>
Cc: "Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Guido Günther" <agx@sigxcpu.org>,
"Bryan O'Donoghue" <bryan.odonoghue@linaro.org>,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
"Hector Martin" <marcan@marcan.st>,
"Mohamed Mediouni" <mohamed.mediouni@caramail.com>,
"Stan Skowronek" <stan@corellium.com>,
"Mark Kettenis" <mark.kettenis@xs4all.nl>,
"Alexander Graf" <graf@amazon.com>,
"Alyssa Rosenzweig" <alyssa@rosenzweig.io>
Subject: Re: [RFT PATCH 3/9] usb: typec: tipd: Allow irq controller selection
Date: Tue, 21 Sep 2021 16:21:11 +0300 [thread overview]
Message-ID: <YUncRyVlyZ7ejN++@kuha.fi.intel.com> (raw)
In-Reply-To: <20210918120934.28252-4-sven@svenpeter.dev>
On Sat, Sep 18, 2021 at 02:09:28PM +0200, Sven Peter wrote:
> TI TPS6598x chips come with two separate i2c buses which each have an
> independent interrupt controller. When only a single controller is
> connected both can just be used.
> On Apple M1 machines the secondary bus is however connected to the system
> management controller and we must not modify its configuration. Prepare
> for that by allowing to chose which interrupt controller(s) are used.
This is good, but...
> Signed-off-by: Sven Peter <sven@svenpeter.dev>
> ---
> drivers/usb/typec/tipd/core.c | 30 +++++++++++++++++++++---------
> 1 file changed, 21 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/usb/typec/tipd/core.c b/drivers/usb/typec/tipd/core.c
> index 656020e7f533..c2c399722c37 100644
> --- a/drivers/usb/typec/tipd/core.c
> +++ b/drivers/usb/typec/tipd/core.c
> @@ -78,6 +78,8 @@ static const char *const modes[] = {
> #define INVALID_CMD(_cmd_) (_cmd_ == 0x444d4321)
>
> struct tps6598x_hw {
> + bool use_int1;
> + bool use_int2;
> };
Wouldn't it be better to read that information from a device
property/properties?
Driver data is OK, but device property would be better. We don't have
separate compatible for this on every board that uses it and we have
also ACPI platforms.
thanks,
--
heikki
next prev parent reply other threads:[~2021-09-21 13:21 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-18 12:09 [RFT PATCH 0/9] usb: typec: tipd: Add Apple M1 support Sven Peter
2021-09-18 12:09 ` [RFT PATCH 1/9] dt-bindings: usb: tps6598x: Add Apple CD321x compatible Sven Peter
2021-09-19 11:25 ` Alyssa Rosenzweig
2021-09-22 20:38 ` Rob Herring
2021-09-18 12:09 ` [RFT PATCH 2/9] usb: typec: tipd: Prepare supporting different variants Sven Peter
2021-09-19 11:27 ` Alyssa Rosenzweig
2021-09-21 13:10 ` Heikki Krogerus
2021-09-22 14:55 ` Sven Peter
2021-09-18 12:09 ` [RFT PATCH 3/9] usb: typec: tipd: Allow irq controller selection Sven Peter
2021-09-19 11:28 ` Alyssa Rosenzweig
2021-09-21 13:21 ` Heikki Krogerus [this message]
2021-09-22 14:56 ` Sven Peter
2021-09-18 12:09 ` [RFT PATCH 4/9] usb: typec: tipd: Add short-circuit for no irqs Sven Peter
2021-09-21 13:23 ` Heikki Krogerus
2021-09-18 12:09 ` [RFT PATCH 5/9] usb: typec: tipd: Allow to configure irq bits Sven Peter
2021-09-21 13:34 ` Heikki Krogerus
2021-09-22 14:58 ` Sven Peter
2021-09-18 12:09 ` [RFT PATCH 6/9] usb: typec: tipd: Setup IntMask explicitly Sven Peter
2021-09-19 11:31 ` Alyssa Rosenzweig
2021-09-21 13:40 ` Heikki Krogerus
2021-09-22 14:58 ` Sven Peter
2021-09-18 12:09 ` [RFT PATCH 7/9] usb: typec: tipd: Add support for apple,cd321x Sven Peter
2021-09-19 11:32 ` Alyssa Rosenzweig
2021-09-18 12:09 ` [RFT PATCH 8/9] usb: typec: tipd: Switch power state to S0 for Apple variant Sven Peter
2021-09-19 11:33 ` Alyssa Rosenzweig
2021-09-21 13:46 ` Heikki Krogerus
2021-09-22 15:00 ` Sven Peter
2021-09-18 12:09 ` [RFT PATCH 9/9] usb: typec: tipd: Remove FIXME about testing with I2C_FUNC_I2C Sven Peter
2021-09-19 11:33 ` Alyssa Rosenzweig
2021-09-21 13:41 ` Heikki Krogerus
2021-09-19 11:35 ` [RFT PATCH 0/9] usb: typec: tipd: Add Apple M1 support Alyssa Rosenzweig
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