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[69.109.179.158]) by smtp.gmail.com with ESMTPSA id z135-20020a814c8d000000b00545a08184adsm2661663ywa.61.2023.04.03.10.53.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 03 Apr 2023 10:53:27 -0700 (PDT) From: William Breathitt Gray To: Linus Walleij , Bartosz Golaszewski Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, William Breathitt Gray Subject: [PATCH 1/2] gpio: 104-dio-48e: Enable use_raw_spinlock for dio48e_regmap_config Date: Mon, 3 Apr 2023 13:53:13 -0400 Message-Id: <05a878d340251b781387db4b6490f288e41a651c.1680543810.git.william.gray@linaro.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-0.2 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The dio48e regmap can be used in an interrupt context by regmap-irq. To prevent a deadlock, enable use_raw_spinlock for dio48e_regmap_config. Fixes: 2f7e845f512f ("gpio: 104-dio-48e: Migrate to the regmap-irq API") Signed-off-by: William Breathitt Gray --- drivers/gpio/gpio-104-dio-48e.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpio/gpio-104-dio-48e.c b/drivers/gpio/gpio-104-dio-48e.c index a3846faf3780..11c48130bb8f 100644 --- a/drivers/gpio/gpio-104-dio-48e.c +++ b/drivers/gpio/gpio-104-dio-48e.c @@ -86,6 +86,7 @@ static const struct regmap_config dio48e_regmap_config = { .volatile_table = &dio48e_volatile_table, .precious_table = &dio48e_precious_table, .cache_type = REGCACHE_FLAT, + .use_raw_spinlock = true, }; /* only bit 3 on each respective Port C supports interrupts */ -- 2.39.2