From: Stephen Boyd <stephen.boyd@linaro.org> To: linux-usb@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, Andy Gross <andy.gross@linaro.org>, Bjorn Andersson <bjorn.andersson@linaro.org>, Neil Armstrong <narmstrong@baylibre.com>, Arnd Bergmann <arnd@arndb.de>, Felipe Balbi <balbi@kernel.org>, Peter Chen <peter.chen@nxp.com>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, "Ivan T. Ivanov" <iivanov.xz@gmail.com> Subject: [PATCH v4 10/22] usb: chipidea: Consolidate extcon notifiers Date: Wed, 7 Sep 2016 14:35:07 -0700 [thread overview] Message-ID: <20160907213519.27340-11-stephen.boyd@linaro.org> (raw) In-Reply-To: <20160907213519.27340-1-stephen.boyd@linaro.org> The two extcon notifiers are almost the same except for the variable name for the cable structure and the id notifier inverts the cable->state logic. Make it the same and replace two functions with one to save some lines. This also makes it so that the id cable state is true when the id pin is pulled low, so we change the name of ->state to ->connected to properly reflect that we're interested in the cable being connected. Cc: Peter Chen <peter.chen@nxp.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: "Ivan T. Ivanov" <iivanov.xz@gmail.com> Signed-off-by: Stephen Boyd <stephen.boyd@linaro.org> --- drivers/usb/chipidea/core.c | 45 ++++++++++++-------------------------------- drivers/usb/chipidea/otg.c | 8 ++++---- include/linux/usb/chipidea.h | 4 ++-- 3 files changed, 18 insertions(+), 39 deletions(-) diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c index f144e1bbcc82..83bc2f2dd6a8 100644 --- a/drivers/usb/chipidea/core.c +++ b/drivers/usb/chipidea/core.c @@ -577,35 +577,14 @@ static irqreturn_t ci_irq(int irq, void *data) return ret; } -static int ci_vbus_notifier(struct notifier_block *nb, unsigned long event, - void *ptr) +static int ci_cable_notifier(struct notifier_block *nb, unsigned long event, + void *ptr) { - struct ci_hdrc_cable *vbus = container_of(nb, struct ci_hdrc_cable, nb); - struct ci_hdrc *ci = vbus->ci; + struct ci_hdrc_cable *cbl = container_of(nb, struct ci_hdrc_cable, nb); + struct ci_hdrc *ci = cbl->ci; - if (event) - vbus->state = true; - else - vbus->state = false; - - vbus->changed = true; - - ci_irq(ci->irq, ci); - return NOTIFY_DONE; -} - -static int ci_id_notifier(struct notifier_block *nb, unsigned long event, - void *ptr) -{ - struct ci_hdrc_cable *id = container_of(nb, struct ci_hdrc_cable, nb); - struct ci_hdrc *ci = id->ci; - - if (event) - id->state = false; - else - id->state = true; - - id->changed = true; + cbl->connected = event; + cbl->changed = true; ci_irq(ci->irq, ci); return NOTIFY_DONE; @@ -714,27 +693,27 @@ static int ci_get_platdata(struct device *dev, } cable = &platdata->vbus_extcon; - cable->nb.notifier_call = ci_vbus_notifier; + cable->nb.notifier_call = ci_cable_notifier; cable->edev = ext_vbus; if (!IS_ERR(ext_vbus)) { ret = extcon_get_cable_state_(cable->edev, EXTCON_USB); if (ret) - cable->state = true; + cable->connected = true; else - cable->state = false; + cable->connected = false; } cable = &platdata->id_extcon; - cable->nb.notifier_call = ci_id_notifier; + cable->nb.notifier_call = ci_cable_notifier; cable->edev = ext_id; if (!IS_ERR(ext_id)) { ret = extcon_get_cable_state_(cable->edev, EXTCON_USB_HOST); if (ret) - cable->state = false; + cable->connected = true; else - cable->state = true; + cable->connected = false; } return 0; } diff --git a/drivers/usb/chipidea/otg.c b/drivers/usb/chipidea/otg.c index 0cf149edddd8..695f3fe3ae21 100644 --- a/drivers/usb/chipidea/otg.c +++ b/drivers/usb/chipidea/otg.c @@ -44,7 +44,7 @@ u32 hw_read_otgsc(struct ci_hdrc *ci, u32 mask) else val &= ~OTGSC_BSVIS; - if (cable->state) + if (cable->connected) val |= OTGSC_BSV; else val &= ~OTGSC_BSV; @@ -62,10 +62,10 @@ u32 hw_read_otgsc(struct ci_hdrc *ci, u32 mask) else val &= ~OTGSC_IDIS; - if (cable->state) - val |= OTGSC_ID; + if (cable->connected) + val &= ~OTGSC_ID; /* host */ else - val &= ~OTGSC_ID; + val |= OTGSC_ID; /* device */ if (cable->enabled) val |= OTGSC_IDIE; diff --git a/include/linux/usb/chipidea.h b/include/linux/usb/chipidea.h index d07b162073f7..7e3daa37cf60 100644 --- a/include/linux/usb/chipidea.h +++ b/include/linux/usb/chipidea.h @@ -12,7 +12,7 @@ struct ci_hdrc; /** * struct ci_hdrc_cable - structure for external connector cable state tracking - * @state: current state of the line + * @connected: true if cable is connected, false otherwise * @changed: set to true when extcon event happen * @enabled: set to true if we've enabled the vbus or id interrupt * @edev: device which generate events @@ -21,7 +21,7 @@ struct ci_hdrc; * @conn: used for notification registration */ struct ci_hdrc_cable { - bool state; + bool connected; bool changed; bool enabled; struct extcon_dev *edev; -- 2.9.0.rc2.8.ga28705d
WARNING: multiple messages have this Message-ID (diff)
From: stephen.boyd@linaro.org (Stephen Boyd) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v4 10/22] usb: chipidea: Consolidate extcon notifiers Date: Wed, 7 Sep 2016 14:35:07 -0700 [thread overview] Message-ID: <20160907213519.27340-11-stephen.boyd@linaro.org> (raw) In-Reply-To: <20160907213519.27340-1-stephen.boyd@linaro.org> The two extcon notifiers are almost the same except for the variable name for the cable structure and the id notifier inverts the cable->state logic. Make it the same and replace two functions with one to save some lines. This also makes it so that the id cable state is true when the id pin is pulled low, so we change the name of ->state to ->connected to properly reflect that we're interested in the cable being connected. Cc: Peter Chen <peter.chen@nxp.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: "Ivan T. Ivanov" <iivanov.xz@gmail.com> Signed-off-by: Stephen Boyd <stephen.boyd@linaro.org> --- drivers/usb/chipidea/core.c | 45 ++++++++++++-------------------------------- drivers/usb/chipidea/otg.c | 8 ++++---- include/linux/usb/chipidea.h | 4 ++-- 3 files changed, 18 insertions(+), 39 deletions(-) diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c index f144e1bbcc82..83bc2f2dd6a8 100644 --- a/drivers/usb/chipidea/core.c +++ b/drivers/usb/chipidea/core.c @@ -577,35 +577,14 @@ static irqreturn_t ci_irq(int irq, void *data) return ret; } -static int ci_vbus_notifier(struct notifier_block *nb, unsigned long event, - void *ptr) +static int ci_cable_notifier(struct notifier_block *nb, unsigned long event, + void *ptr) { - struct ci_hdrc_cable *vbus = container_of(nb, struct ci_hdrc_cable, nb); - struct ci_hdrc *ci = vbus->ci; + struct ci_hdrc_cable *cbl = container_of(nb, struct ci_hdrc_cable, nb); + struct ci_hdrc *ci = cbl->ci; - if (event) - vbus->state = true; - else - vbus->state = false; - - vbus->changed = true; - - ci_irq(ci->irq, ci); - return NOTIFY_DONE; -} - -static int ci_id_notifier(struct notifier_block *nb, unsigned long event, - void *ptr) -{ - struct ci_hdrc_cable *id = container_of(nb, struct ci_hdrc_cable, nb); - struct ci_hdrc *ci = id->ci; - - if (event) - id->state = false; - else - id->state = true; - - id->changed = true; + cbl->connected = event; + cbl->changed = true; ci_irq(ci->irq, ci); return NOTIFY_DONE; @@ -714,27 +693,27 @@ static int ci_get_platdata(struct device *dev, } cable = &platdata->vbus_extcon; - cable->nb.notifier_call = ci_vbus_notifier; + cable->nb.notifier_call = ci_cable_notifier; cable->edev = ext_vbus; if (!IS_ERR(ext_vbus)) { ret = extcon_get_cable_state_(cable->edev, EXTCON_USB); if (ret) - cable->state = true; + cable->connected = true; else - cable->state = false; + cable->connected = false; } cable = &platdata->id_extcon; - cable->nb.notifier_call = ci_id_notifier; + cable->nb.notifier_call = ci_cable_notifier; cable->edev = ext_id; if (!IS_ERR(ext_id)) { ret = extcon_get_cable_state_(cable->edev, EXTCON_USB_HOST); if (ret) - cable->state = false; + cable->connected = true; else - cable->state = true; + cable->connected = false; } return 0; } diff --git a/drivers/usb/chipidea/otg.c b/drivers/usb/chipidea/otg.c index 0cf149edddd8..695f3fe3ae21 100644 --- a/drivers/usb/chipidea/otg.c +++ b/drivers/usb/chipidea/otg.c @@ -44,7 +44,7 @@ u32 hw_read_otgsc(struct ci_hdrc *ci, u32 mask) else val &= ~OTGSC_BSVIS; - if (cable->state) + if (cable->connected) val |= OTGSC_BSV; else val &= ~OTGSC_BSV; @@ -62,10 +62,10 @@ u32 hw_read_otgsc(struct ci_hdrc *ci, u32 mask) else val &= ~OTGSC_IDIS; - if (cable->state) - val |= OTGSC_ID; + if (cable->connected) + val &= ~OTGSC_ID; /* host */ else - val &= ~OTGSC_ID; + val |= OTGSC_ID; /* device */ if (cable->enabled) val |= OTGSC_IDIE; diff --git a/include/linux/usb/chipidea.h b/include/linux/usb/chipidea.h index d07b162073f7..7e3daa37cf60 100644 --- a/include/linux/usb/chipidea.h +++ b/include/linux/usb/chipidea.h @@ -12,7 +12,7 @@ struct ci_hdrc; /** * struct ci_hdrc_cable - structure for external connector cable state tracking - * @state: current state of the line + * @connected: true if cable is connected, false otherwise * @changed: set to true when extcon event happen * @enabled: set to true if we've enabled the vbus or id interrupt * @edev: device which generate events @@ -21,7 +21,7 @@ struct ci_hdrc; * @conn: used for notification registration */ struct ci_hdrc_cable { - bool state; + bool connected; bool changed; bool enabled; struct extcon_dev *edev; -- 2.9.0.rc2.8.ga28705d
next prev parent reply other threads:[~2016-09-07 21:35 UTC|newest] Thread overview: 109+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-09-07 21:34 [PATCH v4 00/22] Support qcom's HSIC USB and rewrite USB2 HS support Stephen Boyd 2016-09-07 21:34 ` Stephen Boyd 2016-09-07 21:34 ` [PATCH v4 02/22] of: device: Export of_device_{get_modalias, uvent_modalias} to modules Stephen Boyd 2016-09-07 21:34 ` Stephen Boyd 2016-09-07 21:34 ` [PATCH v4 02/22] of: device: Export of_device_{get_modalias,uvent_modalias} " Stephen Boyd 2016-09-08 0:58 ` Rob Herring 2016-09-08 0:58 ` [PATCH v4 02/22] of: device: Export of_device_{get_modalias, uvent_modalias} " Rob Herring 2016-09-08 0:58 ` [PATCH v4 02/22] of: device: Export of_device_{get_modalias,uvent_modalias} " Rob Herring 2016-09-07 21:35 ` [PATCH v4 03/22] usb: ulpi: Support device discovery via DT Stephen Boyd 2016-09-07 21:35 ` Stephen Boyd 2016-09-07 21:35 ` Stephen Boyd [not found] ` <20160907213519.27340-4-stephen.boyd-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org> 2016-09-08 1:12 ` Rob Herring 2016-09-08 1:12 ` Rob Herring 2016-09-08 1:12 ` Rob Herring 2016-09-08 1:54 ` Stephen Boyd 2016-09-08 1:54 ` Stephen Boyd 2016-09-12 22:05 ` Stephen Boyd 2016-09-12 22:05 ` Stephen Boyd 2016-09-12 22:05 ` Stephen Boyd 2016-09-07 21:35 ` [PATCH v4 04/22] usb: chipidea: Only read/write OTGSC from one place Stephen Boyd 2016-09-07 21:35 ` Stephen Boyd 2016-09-07 21:35 ` Stephen Boyd 2016-09-07 21:35 ` [PATCH v4 05/22] usb: chipidea: Handle extcon events properly Stephen Boyd 2016-09-07 21:35 ` Stephen Boyd 2016-09-07 21:35 ` [PATCH v4 06/22] usb: chipidea: Add platform flag for wrapper phy management Stephen Boyd 2016-09-07 21:35 ` Stephen Boyd 2016-09-07 21:35 ` [PATCH v4 07/22] usb: chipidea: Notify events when switching host mode Stephen Boyd 2016-09-07 21:35 ` Stephen Boyd 2016-09-07 21:35 ` [PATCH v4 08/22] usb: chipidea: Remove locking in ci_udc_start() Stephen Boyd 2016-09-07 21:35 ` Stephen Boyd 2016-09-07 21:35 ` [PATCH v4 09/22] usb: chipidea: Add support for ULPI PHY bus Stephen Boyd 2016-09-07 21:35 ` Stephen Boyd 2016-09-07 21:35 ` Stephen Boyd [this message] 2016-09-07 21:35 ` [PATCH v4 10/22] usb: chipidea: Consolidate extcon notifiers Stephen Boyd 2016-09-08 1:23 ` Peter Chen 2016-09-08 1:23 ` Peter Chen 2016-09-07 21:35 ` [PATCH v4 12/22] usb: chipidea: msm: Rely on core to override AHBBURST Stephen Boyd 2016-09-07 21:35 ` Stephen Boyd 2016-09-07 21:35 ` [PATCH v4 15/22] usb: chipidea: msm: Mux over secondary phy at the right time Stephen Boyd 2016-09-07 21:35 ` Stephen Boyd 2016-09-07 21:35 ` [PATCH v4 18/22] usb: chipidea: msm: Add reset controller for PHY POR bit Stephen Boyd 2016-09-07 21:35 ` Stephen Boyd 2016-09-07 21:35 ` [PATCH v4 19/22] usb: chipidea: msm: Handle phy power states Stephen Boyd 2016-09-07 21:35 ` Stephen Boyd [not found] ` <20160907213519.27340-1-stephen.boyd-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org> 2016-09-07 21:34 ` [PATCH v4 01/22] of: device: Support loading a module with OF based modalias Stephen Boyd 2016-09-07 21:34 ` Stephen Boyd 2016-09-07 21:34 ` Stephen Boyd 2016-09-08 0:58 ` Rob Herring 2016-09-08 0:58 ` Rob Herring 2016-09-08 0:58 ` Rob Herring 2016-09-07 21:35 ` [PATCH v4 11/22] usb: chipidea: msm: Mark device as runtime pm active Stephen Boyd 2016-09-07 21:35 ` Stephen Boyd 2016-09-07 21:35 ` Stephen Boyd 2016-09-07 21:35 ` [PATCH v4 13/22] usb: chipidea: msm: Use hw_write_id_reg() instead of writel Stephen Boyd 2016-09-07 21:35 ` Stephen Boyd 2016-09-07 21:35 ` Stephen Boyd 2016-09-07 21:35 ` [PATCH v4 14/22] usb: chipidea: msm: Add proper clk and reset support Stephen Boyd 2016-09-07 21:35 ` Stephen Boyd 2016-09-07 21:35 ` Stephen Boyd 2016-09-07 21:35 ` [PATCH v4 16/22] usb: chipidea: msm: Restore wrapper settings after reset Stephen Boyd 2016-09-07 21:35 ` Stephen Boyd 2016-09-07 21:35 ` Stephen Boyd 2016-09-07 21:35 ` [PATCH v4 17/22] usb: chipidea: msm: Make platform data driver local instead of global Stephen Boyd 2016-09-07 21:35 ` Stephen Boyd 2016-09-07 21:35 ` Stephen Boyd 2016-09-07 21:35 ` [PATCH v4 20/22] usb: chipidea: msm: Be silent on probe defer errors Stephen Boyd 2016-09-07 21:35 ` Stephen Boyd 2016-09-07 21:35 ` Stephen Boyd 2016-09-07 21:35 ` [PATCH v4 21/22] phy: Add support for Qualcomm's USB HSIC phy Stephen Boyd 2016-09-07 21:35 ` Stephen Boyd 2016-09-07 21:35 ` Stephen Boyd 2016-09-16 14:21 ` Rob Herring 2016-09-16 14:21 ` Rob Herring 2016-09-07 21:35 ` [PATCH v4 22/22] phy: Add support for Qualcomm's USB HS phy Stephen Boyd 2016-09-07 21:35 ` Stephen Boyd 2016-09-07 21:35 ` Stephen Boyd 2016-09-13 7:03 ` Peter Chen 2016-09-13 7:03 ` Peter Chen 2016-09-13 20:41 ` Stephen Boyd 2016-09-13 20:41 ` Stephen Boyd 2016-09-14 2:11 ` Peter Chen 2016-09-14 2:11 ` Peter Chen 2016-09-14 2:11 ` Peter Chen 2016-09-14 6:29 ` Stephen Boyd 2016-09-14 6:29 ` Stephen Boyd 2016-09-14 9:33 ` Peter Chen 2016-09-14 9:33 ` Peter Chen 2016-09-14 17:42 ` Stephen Boyd 2016-09-14 17:42 ` Stephen Boyd 2016-09-15 5:29 ` Peter Chen 2016-09-15 5:29 ` Peter Chen [not found] ` <20160910121857.GB11271@a0393678ub> 2016-09-14 5:29 ` Kishon Vijay Abraham I 2016-09-14 5:29 ` Kishon Vijay Abraham I 2016-09-14 5:29 ` Kishon Vijay Abraham I 2016-09-16 15:19 ` Rob Herring 2016-09-16 15:19 ` Rob Herring 2016-09-17 0:05 ` Stephen Boyd 2016-09-17 0:05 ` Stephen Boyd 2016-09-19 21:01 ` Rob Herring 2016-09-19 21:01 ` Rob Herring 2016-09-19 21:01 ` Rob Herring 2016-09-08 2:06 ` [PATCH v4 00/22] Support qcom's HSIC USB and rewrite USB2 HS support Peter Chen 2016-09-08 2:06 ` Peter Chen 2016-09-08 2:06 ` Peter Chen 2016-09-08 21:13 ` Stephen Boyd 2016-09-08 21:13 ` Stephen Boyd 2016-09-09 0:45 ` Peter Chen 2016-09-09 0:45 ` Peter Chen 2016-09-09 0:45 ` Peter Chen
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