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[35.227.180.227]) by smtp.gmail.com with UTF8SMTPSA id d9443c01a7336-215f8e5f2d6sm33999035ad.71.2024.12.06.15.38.42 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 06 Dec 2024 15:38:42 -0800 (PST) From: Abhishek Pandit-Subedi To: heikki.krogerus@linux.intel.com, tzungbi@kernel.org, linux-usb@vger.kernel.org, chrome-platform@lists.linux.dev Cc: akuchynski@google.com, pmalani@chromium.org, jthies@google.com, dmitry.baryshkov@linaro.org, badhri@google.com, rdbabiera@google.com, Abhishek Pandit-Subedi , Greg Kroah-Hartman , Masahiro Yamada , Nathan Chancellor , Nicolas Schier , linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v4 1/7] usb: typec: Only use SVID for matching altmodes Date: Fri, 6 Dec 2024 15:38:12 -0800 Message-ID: <20241206153813.v4.1.Ie0d37646f18461234777d88b4c3e21faed92ed4f@changeid> X-Mailer: git-send-email 2.47.0.338.g60cca15819-goog In-Reply-To: <20241206233830.2401638-1-abhishekpandit@chromium.org> References: <20241206233830.2401638-1-abhishekpandit@chromium.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Mode in struct typec_altmode is used to indicate the index of the altmode on a port, partner or plug. It is used in enter mode VDMs but doesn't make much sense for matching against altmode drivers or for matching partner to port altmodes. Signed-off-by: Abhishek Pandit-Subedi Reviewed-by: Heikki Krogerus --- (no changes since v3) Changes in v3: - Removed mode from altmode device ids - Updated modalias for typecd bus to remove mode - Re-ordered to start of series Changes in v2: - Update altmode_match to ignore mode entirely - Also apply the same behavior to typec_match drivers/usb/typec/altmodes/displayport.c | 2 +- drivers/usb/typec/altmodes/nvidia.c | 2 +- drivers/usb/typec/bus.c | 6 ++---- drivers/usb/typec/class.c | 4 ++-- scripts/mod/devicetable-offsets.c | 1 - scripts/mod/file2alias.c | 4 +--- 6 files changed, 7 insertions(+), 12 deletions(-) diff --git a/drivers/usb/typec/altmodes/displayport.c b/drivers/usb/typec/a= ltmodes/displayport.c index 2f03190a9873..3245e03d59e6 100644 --- a/drivers/usb/typec/altmodes/displayport.c +++ b/drivers/usb/typec/altmodes/displayport.c @@ -791,7 +791,7 @@ void dp_altmode_remove(struct typec_altmode *alt) EXPORT_SYMBOL_GPL(dp_altmode_remove); =20 static const struct typec_device_id dp_typec_id[] =3D { - { USB_TYPEC_DP_SID, USB_TYPEC_DP_MODE }, + { USB_TYPEC_DP_SID }, { }, }; MODULE_DEVICE_TABLE(typec, dp_typec_id); diff --git a/drivers/usb/typec/altmodes/nvidia.c b/drivers/usb/typec/altmod= es/nvidia.c index fe70b36f078f..2b77d931e494 100644 --- a/drivers/usb/typec/altmodes/nvidia.c +++ b/drivers/usb/typec/altmodes/nvidia.c @@ -24,7 +24,7 @@ static void nvidia_altmode_remove(struct typec_altmode *a= lt) } =20 static const struct typec_device_id nvidia_typec_id[] =3D { - { USB_TYPEC_NVIDIA_VLINK_SID, TYPEC_ANY_MODE }, + { USB_TYPEC_NVIDIA_VLINK_SID }, { }, }; MODULE_DEVICE_TABLE(typec, nvidia_typec_id); diff --git a/drivers/usb/typec/bus.c b/drivers/usb/typec/bus.c index aa879253d3b8..ae90688d23e4 100644 --- a/drivers/usb/typec/bus.c +++ b/drivers/usb/typec/bus.c @@ -454,8 +454,7 @@ static int typec_match(struct device *dev, const struct= device_driver *driver) const struct typec_device_id *id; =20 for (id =3D drv->id_table; id->svid; id++) - if (id->svid =3D=3D altmode->svid && - (id->mode =3D=3D TYPEC_ANY_MODE || id->mode =3D=3D altmode->mode)) + if (id->svid =3D=3D altmode->svid) return 1; return 0; } @@ -470,8 +469,7 @@ static int typec_uevent(const struct device *dev, struc= t kobj_uevent_env *env) if (add_uevent_var(env, "MODE=3D%u", altmode->mode)) return -ENOMEM; =20 - return add_uevent_var(env, "MODALIAS=3Dtypec:id%04Xm%02X", - altmode->svid, altmode->mode); + return add_uevent_var(env, "MODALIAS=3Dtypec:id%04X", altmode->svid); } =20 static int typec_altmode_create_links(struct altmode *alt) diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c index 4b3047e055a3..febe453b96be 100644 --- a/drivers/usb/typec/class.c +++ b/drivers/usb/typec/class.c @@ -237,13 +237,13 @@ static int altmode_match(struct device *dev, void *da= ta) if (!is_typec_altmode(dev)) return 0; =20 - return ((adev->svid =3D=3D id->svid) && (adev->mode =3D=3D id->mode)); + return (adev->svid =3D=3D id->svid); } =20 static void typec_altmode_set_partner(struct altmode *altmode) { struct typec_altmode *adev =3D &altmode->adev; - struct typec_device_id id =3D { adev->svid, adev->mode, }; + struct typec_device_id id =3D { adev->svid }; struct typec_port *port =3D typec_altmode2port(adev); struct altmode *partner; struct device *dev; diff --git a/scripts/mod/devicetable-offsets.c b/scripts/mod/devicetable-of= fsets.c index 9c7b404defbd..d3d00e85edf7 100644 --- a/scripts/mod/devicetable-offsets.c +++ b/scripts/mod/devicetable-offsets.c @@ -237,7 +237,6 @@ int main(void) =20 DEVID(typec_device_id); DEVID_FIELD(typec_device_id, svid); - DEVID_FIELD(typec_device_id, mode); =20 DEVID(tee_client_device_id); DEVID_FIELD(tee_client_device_id, uuid); diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c index c4cc11aa558f..218ccb7150bf 100644 --- a/scripts/mod/file2alias.c +++ b/scripts/mod/file2alias.c @@ -1343,14 +1343,12 @@ static int do_tbsvc_entry(const char *filename, voi= d *symval, char *alias) return 1; } =20 -/* Looks like: typec:idNmN */ +/* Looks like: typec:idN */ static int do_typec_entry(const char *filename, void *symval, char *alias) { DEF_FIELD(symval, typec_device_id, svid); - DEF_FIELD(symval, typec_device_id, mode); =20 sprintf(alias, "typec:id%04X", svid); - ADD(alias, "m", mode !=3D TYPEC_ANY_MODE, mode); =20 return 1; } --=20 2.47.0.338.g60cca15819-goog