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[2001:8b0:fb11:2681::2e3]) by smtp.googlemail.com with ESMTPSA id g14sm3189163edb.55.2022.02.13.14.58.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 13 Feb 2022 14:58:08 -0800 (PST) From: Peter Robinson To: Nicolas Saenz Julienne , Rob Herring , Florian Fainelli , Ray Jui , Scott Branden , bcm-kernel-feedback-list@broadcom.com, devicetree@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Lee Jones , Emma Anholt , David Airlie , Daniel Vetter , Russell King , Arnd Bergmann , Catalin Marinas , Will Deacon Cc: Nicolas Saenz Julienne , Peter Robinson Subject: [PATCH v4 09/15] soc: bcm: bcm2835-power: Bypass power_on/off() calls Date: Sun, 13 Feb 2022 22:56:41 +0000 Message-Id: <20220213225646.67761-10-pbrobinson@gmail.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220213225646.67761-1-pbrobinson@gmail.com> References: <20220213225646.67761-1-pbrobinson@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220213_145810_550181_EAADBD79 X-CRM114-Status: GOOD ( 13.85 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Nicolas Saenz Julienne Bypass power_on/power_off() when running on BCM2711 as they are not needed. Signed-off-by: Nicolas Saenz Julienne Signed-off-by: Peter Robinson --- Changes since v2: - Correct names drivers/soc/bcm/bcm2835-power.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/soc/bcm/bcm2835-power.c b/drivers/soc/bcm/bcm2835-power.c index eea31f75dc64..b65a39cc2788 100644 --- a/drivers/soc/bcm/bcm2835-power.c +++ b/drivers/soc/bcm/bcm2835-power.c @@ -197,6 +197,10 @@ static int bcm2835_power_power_off(struct bcm2835_power_domain *pd, u32 pm_reg) { struct bcm2835_power *power = pd->power; + /* We don't run this on BCM2711 */ + if (power->rpivid_asb) + return 0; + /* Enable functional isolation */ PM_WRITE(pm_reg, PM_READ(pm_reg) & ~PM_ISFUNC); @@ -218,6 +222,10 @@ static int bcm2835_power_power_on(struct bcm2835_power_domain *pd, u32 pm_reg) int inrush; bool powok; + /* We don't run this on BCM2711 */ + if (power->rpivid_asb) + return 0; + /* If it was already powered on by the fw, leave it that way. */ if (PM_READ(pm_reg) & PM_POWUP) return 0;