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Sun, 06 Sep 2026 04:41:09 -0700 (PDT) Received: from fedora ([154.182.82.204]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-4858ab73c2bsm19356223f8f.22.2026.09.06.04.41.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 06 Sep 2026 04:41:09 -0700 (PDT) From: Abdelnasser Hussein To: gregkh@linuxfoundation.org, jic23@kernel.org, nuno.sa@analog.com, Michael.Hennerich@analog.com Cc: dlechner@baylibre.com, andy@kernel.org, linux@analog.com, linux-iio@vger.kernel.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org, Abdelnasser Hussein Subject: [PATCH v4 0/2] staging: iio: adc: ad7816: Fix SPI read operations and VMAP_STACK issue Date: Sun, 6 Sep 2026 14:40:47 +0300 Message-ID: <20260906114049.32912-1-abdelnasserhussein11@gmail.com> X-Mailer: git-send-email 2.54.0 Precedence: bulk X-Mailing-List: linux-staging@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Changes in v4: - Separated changes into two logical patches. - Patch 1: Used guard(mutex) and devm_mutex_init() instead of manual lock/unlock and mutex_init(). - Patch 2: Used __aligned(IIO_DMA_MINALIGN) instead of ____cacheline_aligned. - Patch 2: Fixed the sizeof() argument in spi_read(). Abdelnasser Hussein (2): staging: iio: adc: ad7816: Serialize SPI read operations staging: iio: adc: ad7816: Use DMA-safe buffer for SPI read drivers/staging/iio/adc/ad7816.c | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) base-commit: 3d6d817622b0a9721e3cc404df3469171582be13 -- 2.54.0