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([82.78.167.144]) by smtp.gmail.com with ESMTPSA id o20-20020a170906289400b00a45ffe583acsm7092081ejd.187.2024.03.20.03.43.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 20 Mar 2024 03:43:31 -0700 (PDT) From: Claudiu X-Google-Original-From: Claudiu To: geert+renesas@glider.be, linus.walleij@linaro.org, tglx@linutronix.de, biju.das.jz@bp.renesas.com Cc: linux-renesas-soc@vger.kernel.org, linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, claudiu.beznea@tuxon.dev, Claudiu Beznea Subject: [PATCH v3 2/2] pinctrl: renesas: rzg2l: Configure the interrupt type on resume Date: Wed, 20 Mar 2024 12:42:30 +0200 Message-Id: <20240320104230.446400-3-claudiu.beznea.uj@bp.renesas.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240320104230.446400-1-claudiu.beznea.uj@bp.renesas.com> References: <20240320104230.446400-1-claudiu.beznea.uj@bp.renesas.com> 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" From: Claudiu Beznea Commit dce0919c83c3 ("irqchip/renesas-rzg2l: Do not set TIEN and TINT source at the same time") removed the setup of TINT from rzg2l_irqc_irq_enable(). To address the spourious interrupt issue the setup of TINT has been moved in rzg2l_tint_set_edge() though rzg2l_disable_tint_and_set_tint_source(). With this, the interrupts are not properly re-configured after a suspend-to-RAM cycle. To address this issue and avoid spurious interrupts while resumming set the interrupt type before enabling it. Fixes: dce0919c83c3 ("irqchip/renesas-rzg2l: Do not set TIEN and TINT sourc= e at the same time") Signed-off-by: Claudiu Beznea --- drivers/pinctrl/renesas/pinctrl-rzg2l.c | 22 ++++++++++++---------- 1 file changed, 12 insertions(+), 10 deletions(-) diff --git a/drivers/pinctrl/renesas/pinctrl-rzg2l.c b/drivers/pinctrl/rene= sas/pinctrl-rzg2l.c index 93916553bcc7..4fee3b0e6c5e 100644 --- a/drivers/pinctrl/renesas/pinctrl-rzg2l.c +++ b/drivers/pinctrl/renesas/pinctrl-rzg2l.c @@ -2045,7 +2045,9 @@ static void rzg2l_gpio_irq_restore(struct rzg2l_pinct= rl *pctrl) =20 for (unsigned int i =3D 0; i < RZG2L_TINT_MAX_INTERRUPT; i++) { struct irq_data *data; + unsigned long flags; unsigned int virq; + int ret; =20 if (!pctrl->hwirq[i]) continue; @@ -2063,17 +2065,17 @@ static void rzg2l_gpio_irq_restore(struct rzg2l_pin= ctrl *pctrl) continue; } =20 - if (!irqd_irq_disabled(data)) { - unsigned long flags; - - /* - * This has to be atomically executed to protect against a concurrent - * interrupt. - */ - raw_spin_lock_irqsave(&pctrl->lock.rlock, flags); + /* + * This has to be atomically executed to protect against a concurrent + * interrupt. + */ + raw_spin_lock_irqsave(&pctrl->lock.rlock, flags); + ret =3D rzg2l_gpio_irq_set_type(data, irqd_get_trigger_type(data)); + if (ret) + dev_crit(pctrl->dev, "Failed to set IRQ type for virq=3D%u\n", virq); + else if (!irqd_irq_disabled(data)) rzg2l_gpio_irq_enable(data); - raw_spin_unlock_irqrestore(&pctrl->lock.rlock, flags); - } + raw_spin_unlock_irqrestore(&pctrl->lock.rlock, flags); } } =20 --=20 2.39.2