From patchwork Fri May 31 19:42:33 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 13682063 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.8]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 83E0F7F7CA; Fri, 31 May 2024 19:47:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.8 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717184852; cv=none; b=kcCXgMS+Bx6Kk6BLME0Mku8BKoeYCkBOU+dAE0CXW6qJhH1R88dIIPmVElpYWBSW1f/Fpwez+dMRlZ055VaDddYDGCkenXyiWN1UdkQfkckPSrD8+sVcI8JPmAPQ6+7CnJMnNGjWGiE3I7biCevDGusRes1hOdhbMXeN9mn/vR4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717184852; c=relaxed/simple; bh=Dw73VBHvLlwJ5WnmcM+Jwh7n02iOvg6za1jV+ImKLH4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=hV5vTllWved6q6zj9vTm0iH2IwPK8vD3gAdeN2wxPPfZDQLSWUq4CH2nC6yLC/VZNvZ7BlwjvAhSlCiQtK9H1cGbpsebBrH1ssIxGW9gtcL1DR3UlEiC5FLjiqI3oSz0xND+xFM1Yw4X+0NI9TeVAE/NIE7M6ZmnxgNLKUyoy3w= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=Wbs+uxOi; arc=none smtp.client-ip=192.198.163.8 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="Wbs+uxOi" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1717184850; x=1748720850; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Dw73VBHvLlwJ5WnmcM+Jwh7n02iOvg6za1jV+ImKLH4=; b=Wbs+uxOizq0hZVqnUMFmfhgYbdRl7EI/V8P/p8fGzmI80CHCA5/e7uU2 nl8l5V5d5kce2DhTTL6YYpomAx8/G6h9oUwsKrhDMcVO+S1/l3ssmOPNf hNQY94rqr/3BEixr9LI+PlSMQmphCZnYPFBPKGOaD5sbhwmvA8R6pa7dc DRNUidIjb6/Ycy14Gj0XHRRXBa/Zwjy2cZfKe4J9lDqp8l7FGrO+2yqji UNVeiAv3DDS/N9DzVmiio0Ob6rDY5C5LlpP0V0MH4hmiKZNVgWzO8lP+m xw85chE7rqN7KLzVr6iZ56wGAXS8bjGM87imyb0J9PTEsflkFUAV8KMJ4 Q==; X-CSE-ConnectionGUID: +9OH3lMkRpOkieA98pSbGQ== X-CSE-MsgGUID: K/PJQZ/GQZeb2VA1CQrfvA== X-IronPort-AV: E=McAfee;i="6600,9927,11089"; a="31273992" X-IronPort-AV: E=Sophos;i="6.08,205,1712646000"; d="scan'208";a="31273992" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by fmvoesa102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 May 2024 12:47:30 -0700 X-CSE-ConnectionGUID: FTqvYBkEQNiQnSDTHsQIDQ== X-CSE-MsgGUID: F5BHzt2kRPyb0EUKNBFClg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,205,1712646000"; d="scan'208";a="41179049" Received: from black.fi.intel.com ([10.237.72.28]) by orviesa005.jf.intel.com with ESMTP; 31 May 2024 12:47:27 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 013B7136; Fri, 31 May 2024 22:47:24 +0300 (EEST) From: Andy Shevchenko To: Andy Shevchenko , Mark Brown , Yang Yingliang , Christophe JAILLET , Thangaraj Samynathan , linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org Cc: Serge Semin , Daniel Mack , Haojian Zhuang , Robert Jarzmik , =?utf-8?q?N=C3=ADcolas_F_=2E_R_=2E?= =?utf-8?q?_A_=2E_Prado?= , Neil Armstrong Subject: [PATCH v1 1/8] spi: Introduce internal spi_xfer_is_dma_mapped() helper Date: Fri, 31 May 2024 22:42:33 +0300 Message-ID: <20240531194723.1761567-2-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.43.0.rc1.1336.g36b5255a03ac In-Reply-To: <20240531194723.1761567-1-andriy.shevchenko@linux.intel.com> References: <20240531194723.1761567-1-andriy.shevchenko@linux.intel.com> Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 There are few drivers that use the same pattern to check if the transfer is DMA mapped or not. Provide a helper. Signed-off-by: Andy Shevchenko Reviewed-by: Bryan O'Donoghue --- drivers/spi/internals.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/spi/internals.h b/drivers/spi/internals.h index 4a28a8395552..47a87c2a6979 100644 --- a/drivers/spi/internals.h +++ b/drivers/spi/internals.h @@ -40,4 +40,12 @@ static inline void spi_unmap_buf(struct spi_controller *ctlr, } #endif /* CONFIG_HAS_DMA */ +static inline bool spi_xfer_is_dma_mapped(struct spi_controller *ctlr, + struct spi_device *spi, + struct spi_transfer *xfer) +{ + return ctlr->can_dma && ctlr->can_dma(ctlr, spi, xfer) && + ctlr->cur_msg_mapped; +} + #endif /* __LINUX_SPI_INTERNALS_H */