From patchwork Wed Apr 27 22:49:09 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Guilherme G. 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Piccoli" To: akpm@linux-foundation.org, bhe@redhat.com, pmladek@suse.com, kexec@lists.infradead.org Subject: [PATCH 15/30] bus: brcmstb_gisb: Clean-up panic/die notifiers Date: Wed, 27 Apr 2022 19:49:09 -0300 Message-Id: <20220427224924.592546-16-gpiccoli@igalia.com> X-Mailer: git-send-email 2.36.0 In-Reply-To: <20220427224924.592546-1-gpiccoli@igalia.com> References: <20220427224924.592546-1-gpiccoli@igalia.com> MIME-Version: 1.0 X-Mailman-Approved-At: Thu, 28 Apr 2022 11:34:03 +1000 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-hyperv@vger.kernel.org, halves@canonical.com, gregkh@linuxfoundation.org, peterz@infradead.org, alejandro.j.jimenez@oracle.com, linux-remoteproc@vger.kernel.org, feng.tang@intel.com, linux-mips@vger.kernel.org, hidehiro.kawai.ez@hitachi.com, sparclinux@vger.kernel.org, will@kernel.org, tglx@linutronix.de, linux-leds@vger.kernel.org, linux-s390@vger.kernel.org, Florian Fainelli , mikelley@microsoft.com, john.ogness@linutronix.de, corbet@lwn.net, paulmck@kernel.org, fabiomirmar@gmail.com, x86@kernel.org, mingo@redhat.com, bcm-kernel-feedback-list@broadcom.com, xen-devel@lists.xenproject.org, dyoung@redhat.com, vgoyal@redhat.com, linux-xtensa@linux-xtensa.org, dave.hansen@linux.intel.com, keescook@chromium.org, arnd@arndb.de, linux-pm@vger.kernel.org, coresight@lists.linaro.org, linux-um@lists.infradead.org, rostedt@goodmis.org, rcu@vger.kernel.org, bp@alien8.de, luto@kernel.org, linux-tegra@vger.kernel.org, openipmi-developer@lists.sourceforge.net, andriy.shevchenko@linux.intel.com, senozhatsky@chromium.org, linux-arm-kernel@lists.infradead.org, linux-edac@vger.kernel.org, jgross@suse.com, linux-parisc@vger.kernel.org, netdev@vger.kernel.org, kernel@gpiccoli.net, linux-kernel@vger.kernel.org, stern@rowland.harvard.edu, gpiccoli@igalia.com, d.hatayama@jp.fujitsu.com, mhiramat@kernel.org, kernel-dev@igalia.com, linux-alpha@vger.kernel.org, vkuznets@redhat.com, Brian Norris , linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" This patch improves the panic/die notifiers in this driver by making use of a passed "id" instead of comparing pointer address; also, it removes an useless prototype declaration and unnecessary header inclusion. This is part of a panic notifiers refactor - this notifier in the future will be moved to a new list, that encompass the information notifiers only. Fixes: 9eb60880d9a9 ("bus: brcmstb_gisb: add notifier handling") Cc: Brian Norris Cc: Florian Fainelli Signed-off-by: Guilherme G. Piccoli Acked-by: Florian Fainelli --- drivers/bus/brcmstb_gisb.c | 26 +++++++++++--------------- 1 file changed, 11 insertions(+), 15 deletions(-) diff --git a/drivers/bus/brcmstb_gisb.c b/drivers/bus/brcmstb_gisb.c index 183d5cc37d42..1ea7b015e225 100644 --- a/drivers/bus/brcmstb_gisb.c +++ b/drivers/bus/brcmstb_gisb.c @@ -19,7 +19,6 @@ #include #include #include -#include #ifdef CONFIG_MIPS #include @@ -347,25 +346,14 @@ static irqreturn_t brcmstb_gisb_bp_handler(int irq, void *dev_id) /* * Dump out gisb errors on die or panic. */ -static int dump_gisb_error(struct notifier_block *self, unsigned long v, - void *p); - -static struct notifier_block gisb_die_notifier = { - .notifier_call = dump_gisb_error, -}; - -static struct notifier_block gisb_panic_notifier = { - .notifier_call = dump_gisb_error, -}; - static int dump_gisb_error(struct notifier_block *self, unsigned long v, void *p) { struct brcmstb_gisb_arb_device *gdev; - const char *reason = "panic"; + const char *reason = "die"; - if (self == &gisb_die_notifier) - reason = "die"; + if (v == PANIC_NOTIFIER) + reason = "panic"; /* iterate over each GISB arb registered handlers */ list_for_each_entry(gdev, &brcmstb_gisb_arb_device_list, next) @@ -374,6 +362,14 @@ static int dump_gisb_error(struct notifier_block *self, unsigned long v, return NOTIFY_DONE; } +static struct notifier_block gisb_die_notifier = { + .notifier_call = dump_gisb_error, +}; + +static struct notifier_block gisb_panic_notifier = { + .notifier_call = dump_gisb_error, +}; + static DEVICE_ATTR(gisb_arb_timeout, S_IWUSR | S_IRUGO, gisb_arb_get_timeout, gisb_arb_set_timeout);