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[24.155.109.49]) by smtp.googlemail.com with ESMTPSA id s18sm1283922oih.53.2021.02.11.15.27.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Feb 2021 15:27:49 -0800 (PST) From: Rob Herring To: Michael Ellerman , Greg Kroah-Hartman , "David S. Miller" , Jakub Kicinski , Frank Rowand , devicetree@vger.kernel.org Cc: Paul Mackerras , "Rafael J. Wysocki" , Patrice Chotard , Felipe Balbi , Julia Lawall , Gilles Muller , Nicolas Palix , Michal Marek , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-usb@vger.kernel.org, cocci@systeme.lip6.fr, Benjamin Herrenschmidt Subject: [PATCH v2 1/2] of: Remove of_dev_{get,put}() Date: Thu, 11 Feb 2021 17:27:44 -0600 Message-Id: <20210211232745.1498137-2-robh@kernel.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210211232745.1498137-1-robh@kernel.org> References: <20210211232745.1498137-1-robh@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org of_dev_get() and of_dev_put are just wrappers for get_device()/put_device() on a platform_device. There's also already platform_device_{get,put}() wrappers for this purpose. Let's update the few users and remove of_dev_{get,put}(). Cc: Michael Ellerman Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: "David S. Miller" Cc: Jakub Kicinski Cc: Frank Rowand Cc: Patrice Chotard Cc: Felipe Balbi Cc: Greg Kroah-Hartman Cc: Julia Lawall Cc: Gilles Muller Cc: Nicolas Palix Cc: Michal Marek Cc: linuxppc-dev@lists.ozlabs.org Cc: netdev@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-usb@vger.kernel.org Cc: cocci@systeme.lip6.fr Signed-off-by: Rob Herring --- v2: - Fix build --- arch/powerpc/platforms/pseries/ibmebus.c | 4 ++-- drivers/net/ethernet/ibm/emac/core.c | 15 ++++++++------- drivers/of/device.c | 21 --------------------- drivers/of/platform.c | 4 ++-- drivers/of/unittest.c | 2 +- drivers/usb/dwc3/dwc3-st.c | 2 +- include/linux/of_device.h | 3 --- scripts/coccinelle/free/put_device.cocci | 1 - 8 files changed, 14 insertions(+), 38 deletions(-) diff --git a/arch/powerpc/platforms/pseries/ibmebus.c b/arch/powerpc/platforms/pseries/ibmebus.c index 8c6e509f6967..a15ab33646b3 100644 --- a/arch/powerpc/platforms/pseries/ibmebus.c +++ b/arch/powerpc/platforms/pseries/ibmebus.c @@ -355,12 +355,12 @@ static int ibmebus_bus_device_probe(struct device *dev) if (!drv->probe) return error; - of_dev_get(of_dev); + get_device(dev); if (of_driver_match_device(dev, dev->driver)) error = drv->probe(of_dev); if (error) - of_dev_put(of_dev); + put_device(dev); return error; } diff --git a/drivers/net/ethernet/ibm/emac/core.c b/drivers/net/ethernet/ibm/emac/core.c index c00b9097eeea..471be6ec7e8a 100644 --- a/drivers/net/ethernet/ibm/emac/core.c +++ b/drivers/net/ethernet/ibm/emac/core.c @@ -38,6 +38,7 @@ #include #include #include +#include #include #include @@ -2390,11 +2391,11 @@ static int emac_check_deps(struct emac_instance *dev, static void emac_put_deps(struct emac_instance *dev) { - of_dev_put(dev->mal_dev); - of_dev_put(dev->zmii_dev); - of_dev_put(dev->rgmii_dev); - of_dev_put(dev->mdio_dev); - of_dev_put(dev->tah_dev); + platform_device_put(dev->mal_dev); + platform_device_put(dev->zmii_dev); + platform_device_put(dev->rgmii_dev); + platform_device_put(dev->mdio_dev); + platform_device_put(dev->tah_dev); } static int emac_of_bus_notify(struct notifier_block *nb, unsigned long action, @@ -2435,7 +2436,7 @@ static int emac_wait_deps(struct emac_instance *dev) for (i = 0; i < EMAC_DEP_COUNT; i++) { of_node_put(deps[i].node); if (err) - of_dev_put(deps[i].ofdev); + platform_device_put(deps[i].ofdev); } if (err == 0) { dev->mal_dev = deps[EMAC_DEP_MAL_IDX].ofdev; @@ -2444,7 +2445,7 @@ static int emac_wait_deps(struct emac_instance *dev) dev->tah_dev = deps[EMAC_DEP_TAH_IDX].ofdev; dev->mdio_dev = deps[EMAC_DEP_MDIO_IDX].ofdev; } - of_dev_put(deps[EMAC_DEP_PREV_IDX].ofdev); + platform_device_put(deps[EMAC_DEP_PREV_IDX].ofdev); return err; } diff --git a/drivers/of/device.c b/drivers/of/device.c index aedfaaafd3e7..9a748855b39d 100644 --- a/drivers/of/device.c +++ b/drivers/of/device.c @@ -33,27 +33,6 @@ const struct of_device_id *of_match_device(const struct of_device_id *matches, } EXPORT_SYMBOL(of_match_device); -struct platform_device *of_dev_get(struct platform_device *dev) -{ - struct device *tmp; - - if (!dev) - return NULL; - tmp = get_device(&dev->dev); - if (tmp) - return to_platform_device(tmp); - else - return NULL; -} -EXPORT_SYMBOL(of_dev_get); - -void of_dev_put(struct platform_device *dev) -{ - if (dev) - put_device(&dev->dev); -} -EXPORT_SYMBOL(of_dev_put); - int of_device_add(struct platform_device *ofdev) { BUG_ON(ofdev->dev.of_node == NULL); diff --git a/drivers/of/platform.c b/drivers/of/platform.c index 79bd5f5a1bf1..020bf860c72c 100644 --- a/drivers/of/platform.c +++ b/drivers/of/platform.c @@ -687,7 +687,7 @@ static int of_platform_notify(struct notifier_block *nb, pdev_parent = of_find_device_by_node(rd->dn->parent); pdev = of_platform_device_create(rd->dn, NULL, pdev_parent ? &pdev_parent->dev : NULL); - of_dev_put(pdev_parent); + platform_device_put(pdev_parent); if (pdev == NULL) { pr_err("%s: failed to create for '%pOF'\n", @@ -712,7 +712,7 @@ static int of_platform_notify(struct notifier_block *nb, of_platform_device_destroy(&pdev->dev, &children_left); /* and put the reference of the find */ - of_dev_put(pdev); + platform_device_put(pdev); break; } diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c index eb51bc147440..eb100627c186 100644 --- a/drivers/of/unittest.c +++ b/drivers/of/unittest.c @@ -1286,7 +1286,7 @@ static void __init of_unittest_platform_populate(void) unittest(pdev, "Could not create device for node '%pOFn'\n", grandchild); - of_dev_put(pdev); + platform_device_put(pdev); } } diff --git a/drivers/usb/dwc3/dwc3-st.c b/drivers/usb/dwc3/dwc3-st.c index e733be840545..b06b7092b1a2 100644 --- a/drivers/usb/dwc3/dwc3-st.c +++ b/drivers/usb/dwc3/dwc3-st.c @@ -274,7 +274,7 @@ static int st_dwc3_probe(struct platform_device *pdev) dwc3_data->dr_mode = usb_get_dr_mode(&child_pdev->dev); of_node_put(child); - of_dev_put(child_pdev); + platform_device_put(child_pdev); /* * Configure the USB port as device or host according to the static diff --git a/include/linux/of_device.h b/include/linux/of_device.h index 937f32f6aecb..d7a407dfeecb 100644 --- a/include/linux/of_device.h +++ b/include/linux/of_device.h @@ -26,9 +26,6 @@ static inline int of_driver_match_device(struct device *dev, return of_match_device(drv->of_match_table, dev) != NULL; } -extern struct platform_device *of_dev_get(struct platform_device *dev); -extern void of_dev_put(struct platform_device *dev); - extern int of_device_add(struct platform_device *pdev); extern int of_device_register(struct platform_device *ofdev); extern void of_device_unregister(struct platform_device *ofdev); diff --git a/scripts/coccinelle/free/put_device.cocci b/scripts/coccinelle/free/put_device.cocci index 120921366e84..f09f1e79bfa6 100644 --- a/scripts/coccinelle/free/put_device.cocci +++ b/scripts/coccinelle/free/put_device.cocci @@ -21,7 +21,6 @@ id = of_find_device_by_node@p1(x) if (id == NULL || ...) { ... return ...; } ... when != put_device(&id->dev) when != platform_device_put(id) - when != of_dev_put(id) when != if (id) { ... put_device(&id->dev) ... } when != e1 = (T)id when != e1 = (T)(&id->dev)