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Wysocki" , Robin Murphy , linux-mm@kvack.org, iommu@lists.linux.dev, linux-arm-kernel@lists.infradead.org Subject: [PATCH v3 10/13] drivers/spi: Use ARCH_DMA_MINALIGN instead of ARCH_KMALLOC_MINALIGN Date: Sun, 6 Nov 2022 22:01:40 +0000 Message-Id: <20221106220143.2129263-11-catalin.marinas@arm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221106220143.2129263-1-catalin.marinas@arm.com> References: <20221106220143.2129263-1-catalin.marinas@arm.com> MIME-Version: 1.0 ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1667772153; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=XS26Kwt1TS+tA8636dGXdSqogXOL8caJbJ1kDBldBR0=; b=jKPjw7tqWrMcvLF1AvS5EUs4BUZvsecsR3wt/H5F0nfZcFtDw8flZnn8MsPOiEkuUpv6+7 abZRJDTImI4uRJ66/CvmtIfQ8qZWQC2US3JJ5yH/x1X8dD9+MkPOekE0budtitKnXz0Z8p IhG1XveAamRSjCn3sjYI92NWo/dKHgw= ARC-Authentication-Results: i=1; imf23.hostedemail.com; dkim=none; spf=pass (imf23.hostedemail.com: domain of cmarinas@kernel.org designates 145.40.68.75 as permitted sender) smtp.mailfrom=cmarinas@kernel.org; dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=arm.com (policy=none) ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1667772153; a=rsa-sha256; cv=none; b=W9a4Z0M+2dFW1zTDS3SSxwutee7257jP8v0bcEVv1JR0yPCMFrI5Wa6RH9VL8ttCyjoRmQ m1/TdnZuw6/+sDZ4MzW3QRL3iM0BAGyEl+iZ6uakGbw/xhgoW1iqad6H995BvYSnX2Ozbi VyscwbvZATdSW3HLAayilBhNAr8SQX8= Authentication-Results: imf23.hostedemail.com; dkim=none; spf=pass (imf23.hostedemail.com: domain of cmarinas@kernel.org designates 145.40.68.75 as permitted sender) smtp.mailfrom=cmarinas@kernel.org; dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=arm.com (policy=none) X-Rspam-User: X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 2383B140003 X-Stat-Signature: 5mrufgmi7ap4tpadmaqiuoxwtfxdbmcs X-HE-Tag: 1667772152-558810 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: ARCH_DMA_MINALIGN represents the minimum (static) alignment for safe DMA operations while ARCH_KMALLOC_MINALIGN is the minimum kmalloc() objects alignment. Signed-off-by: Catalin Marinas Cc: Mark Brown Acked-by: Mark Brown --- drivers/spi/spidev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c index b2775d82d2d7..f74486240b1f 100644 --- a/drivers/spi/spidev.c +++ b/drivers/spi/spidev.c @@ -228,7 +228,7 @@ static int spidev_message(struct spidev_data *spidev, /* Ensure that also following allocations from rx_buf/tx_buf will meet * DMA alignment requirements. */ - unsigned int len_aligned = ALIGN(u_tmp->len, ARCH_KMALLOC_MINALIGN); + unsigned int len_aligned = ALIGN(u_tmp->len, ARCH_DMA_MINALIGN); k_tmp->len = u_tmp->len;