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GET /api/1.0/patches/2197981/?format=api
{ "id": 2197981, "url": "http://patchwork.ozlabs.org/api/1.0/patches/2197981/?format=api", "project": { "id": 42, "url": "http://patchwork.ozlabs.org/api/1.0/projects/42/?format=api", "name": "Linux GPIO development", "link_name": "linux-gpio", "list_id": "linux-gpio.vger.kernel.org", "list_email": "linux-gpio@vger.kernel.org", "web_url": "", "scm_url": "", "webscm_url": "" }, "msgid": "<20260219022929.3558081-3-dmitry.torokhov@gmail.com>", "date": "2026-02-19T02:29:26", "name": "[v2,2/4] iio: adc: ti-ads7950: do not clobber gpio state in ti_ads7950_get()", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "66781fc320ca2fb60adc23a415a911b6b2ac0bcb", "submitter": { "id": 695, "url": "http://patchwork.ozlabs.org/api/1.0/people/695/?format=api", "name": "Dmitry Torokhov", "email": "dmitry.torokhov@gmail.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-gpio/patch/20260219022929.3558081-3-dmitry.torokhov@gmail.com/mbox/", "series": [ { "id": 492631, "url": "http://patchwork.ozlabs.org/api/1.0/series/492631/?format=api", "date": "2026-02-19T02:29:24", "name": "ti-ads7950: fix gpio handling and facelift", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/492631/mbox/" } ], "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2197981/checks/", "tags": {}, "headers": { "Return-Path": "\n <linux-gpio+bounces-31836-incoming=patchwork.ozlabs.org@vger.kernel.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linux-gpio@vger.kernel.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20230601 header.b=TGgnh/Bo;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=104.64.211.4; helo=sin.lore.kernel.org;\n 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Bartosz Golaszewski <brgl@kernel.org>, linux-iio@vger.kernel.org,\n linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org", "Subject": "[PATCH v2 2/4] iio: adc: ti-ads7950: do not clobber gpio state in\n ti_ads7950_get()", "Date": "Wed, 18 Feb 2026 18:29:26 -0800", "Message-ID": "<20260219022929.3558081-3-dmitry.torokhov@gmail.com>", "X-Mailer": "git-send-email 2.53.0.335.g19a08e0c02-goog", "In-Reply-To": "<20260219022929.3558081-1-dmitry.torokhov@gmail.com>", "References": "<20260219022929.3558081-1-dmitry.torokhov@gmail.com>", "Precedence": "bulk", "X-Mailing-List": "linux-gpio@vger.kernel.org", "List-Id": "<linux-gpio.vger.kernel.org>", "List-Subscribe": "<mailto:linux-gpio+subscribe@vger.kernel.org>", "List-Unsubscribe": "<mailto:linux-gpio+unsubscribe@vger.kernel.org>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit" }, "content": "GPIO state was inadvertently overwritten by the result of sip_sync,\nreuniting in ti_ads7950_get() only returning 0 as gpio state (or error).\n\nFix this by introducing a separate variable to hold the state.\n\nReported-by: David Lechner <dlechner@baylibre.com>\nSigned-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>\n---\n drivers/iio/adc/ti-ads7950.c | 9 +++++----\n 1 file changed, 5 insertions(+), 4 deletions(-)", "diff": "diff --git a/drivers/iio/adc/ti-ads7950.c b/drivers/iio/adc/ti-ads7950.c\nindex b8cc39fc39fb..2a7d4a1d9fa9 100644\n--- a/drivers/iio/adc/ti-ads7950.c\n+++ b/drivers/iio/adc/ti-ads7950.c\n@@ -427,13 +427,14 @@ static int ti_ads7950_set(struct gpio_chip *chip, unsigned int offset,\n static int ti_ads7950_get(struct gpio_chip *chip, unsigned int offset)\n {\n \tstruct ti_ads7950_state *st = gpiochip_get_data(chip);\n-\tint ret;\n+\tint ret = 0;\n+\tbool state;\n \n \tmutex_lock(&st->slock);\n \n \t/* If set as output, return the output */\n \tif (st->gpio_cmd_settings_bitmask & BIT(offset)) {\n-\t\tret = (st->cmd_settings_bitmask & BIT(offset)) ? 1 : 0;\n+\t\tstate = st->cmd_settings_bitmask & BIT(offset);\n \t\tgoto out;\n \t}\n \n@@ -444,7 +445,7 @@ static int ti_ads7950_get(struct gpio_chip *chip, unsigned int offset)\n \tif (ret)\n \t\tgoto out;\n \n-\tret = ((st->single_rx >> 12) & BIT(offset)) ? 1 : 0;\n+\tstate = (st->single_rx >> 12) & BIT(offset);\n \n \t/* Revert back to original settings */\n \tst->cmd_settings_bitmask &= ~TI_ADS7950_CR_GPIO_DATA;\n@@ -456,7 +457,7 @@ static int ti_ads7950_get(struct gpio_chip *chip, unsigned int offset)\n out:\n \tmutex_unlock(&st->slock);\n \n-\treturn ret;\n+\treturn ret ?: state;\n }\n \n static int ti_ads7950_get_direction(struct gpio_chip *chip,\n", "prefixes": [ "v2", "2/4" ] }