From patchwork Tue Dec 21 17:48:36 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miquel Raynal X-Patchwork-Id: 526778 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7A235C433F5 for ; Tue, 21 Dec 2021 17:48:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240577AbhLURs7 (ORCPT ); Tue, 21 Dec 2021 12:48:59 -0500 Received: from relay12.mail.gandi.net ([217.70.178.232]:49531 "EHLO relay12.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230248AbhLURs6 (ORCPT ); Tue, 21 Dec 2021 12:48:58 -0500 Received: (Authenticated sender: miquel.raynal@bootlin.com) by relay12.mail.gandi.net (Postfix) with ESMTPSA id 8395E200012; Tue, 21 Dec 2021 17:48:56 +0000 (UTC) From: Miquel Raynal To: Richard Weinberger , Vignesh Raghavendra , Tudor Ambarus , Pratyush Yadav , Michael Walle , Cc: Mark Brown , , Julien Su , Jaime Liao , Boris Brezillon , Thomas Petazzoni , Xiangsheng Hou , Miquel Raynal Subject: [PATCH v8 06/14] spi: spi-mem: Kill the spi_mem_dtr_supports_op() helper Date: Tue, 21 Dec 2021 18:48:36 +0100 Message-Id: <20211221174844.56385-7-miquel.raynal@bootlin.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20211221174844.56385-1-miquel.raynal@bootlin.com> References: <20211221174844.56385-1-miquel.raynal@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org Now that spi_mem_default_supports_op() has access to the static controller capabilities (related to memory operations), and now that these capabilities have been filled by the impacted controllers, there is no need for a specific helper checking only DTR operations, so let's just kill spi_mem_dtr_supports_op() and simply use spi_mem_default_supports_op() instead. Signed-off-by: Miquel Raynal Reviewed-by: Pratyush Yadav --- drivers/spi/spi-cadence-quadspi.c | 5 +---- drivers/spi/spi-mem.c | 20 -------------------- drivers/spi/spi-mxic.c | 10 +--------- include/linux/spi/spi-mem.h | 11 ----------- 4 files changed, 2 insertions(+), 44 deletions(-) diff --git a/drivers/spi/spi-cadence-quadspi.c b/drivers/spi/spi-cadence-quadspi.c index 98e0cc4236e3..bc6b33bce0bb 100644 --- a/drivers/spi/spi-cadence-quadspi.c +++ b/drivers/spi/spi-cadence-quadspi.c @@ -1252,10 +1252,7 @@ static bool cqspi_supports_mem_op(struct spi_mem *mem, if (!(all_true || all_false)) return false; - if (all_true) - return spi_mem_dtr_supports_op(mem, op); - else - return spi_mem_default_supports_op(mem, op); + return spi_mem_default_supports_op(mem, op); } static int cqspi_of_get_flash_pdata(struct platform_device *pdev, diff --git a/drivers/spi/spi-mem.c b/drivers/spi/spi-mem.c index 83651cbc87f2..ccc606f741ae 100644 --- a/drivers/spi/spi-mem.c +++ b/drivers/spi/spi-mem.c @@ -160,26 +160,6 @@ static bool spi_mem_check_buswidth(struct spi_mem *mem, return true; } -bool spi_mem_dtr_supports_op(struct spi_mem *mem, - const struct spi_mem_op *op) -{ - if (op->cmd.buswidth == 8 && op->cmd.nbytes % 2) - return false; - - if (op->addr.nbytes && op->addr.buswidth == 8 && op->addr.nbytes % 2) - return false; - - if (op->dummy.nbytes && op->dummy.buswidth == 8 && op->dummy.nbytes % 2) - return false; - - if (op->data.dir != SPI_MEM_NO_DATA && - op->dummy.buswidth == 8 && op->data.nbytes % 2) - return false; - - return spi_mem_check_buswidth(mem, op); -} -EXPORT_SYMBOL_GPL(spi_mem_dtr_supports_op); - bool spi_mem_default_supports_op(struct spi_mem *mem, const struct spi_mem_op *op) { diff --git a/drivers/spi/spi-mxic.c b/drivers/spi/spi-mxic.c index e137b1ec85d4..67d05ee8d6a0 100644 --- a/drivers/spi/spi-mxic.c +++ b/drivers/spi/spi-mxic.c @@ -335,8 +335,6 @@ static int mxic_spi_data_xfer(struct mxic_spi *mxic, const void *txbuf, static bool mxic_spi_mem_supports_op(struct spi_mem *mem, const struct spi_mem_op *op) { - bool all_false; - if (op->data.buswidth > 8 || op->addr.buswidth > 8 || op->dummy.buswidth > 8 || op->cmd.buswidth > 8) return false; @@ -348,13 +346,7 @@ static bool mxic_spi_mem_supports_op(struct spi_mem *mem, if (op->addr.nbytes > 7) return false; - all_false = !op->cmd.dtr && !op->addr.dtr && !op->dummy.dtr && - !op->data.dtr; - - if (all_false) - return spi_mem_default_supports_op(mem, op); - else - return spi_mem_dtr_supports_op(mem, op); + return spi_mem_default_supports_op(mem, op); } static int mxic_spi_mem_exec_op(struct spi_mem *mem, diff --git a/include/linux/spi/spi-mem.h b/include/linux/spi/spi-mem.h index 045ecb7c6f50..d7787c8f3746 100644 --- a/include/linux/spi/spi-mem.h +++ b/include/linux/spi/spi-mem.h @@ -332,10 +332,6 @@ void spi_controller_dma_unmap_mem_op_data(struct spi_controller *ctlr, bool spi_mem_default_supports_op(struct spi_mem *mem, const struct spi_mem_op *op); - -bool spi_mem_dtr_supports_op(struct spi_mem *mem, - const struct spi_mem_op *op); - #else static inline int spi_controller_dma_map_mem_op_data(struct spi_controller *ctlr, @@ -358,13 +354,6 @@ bool spi_mem_default_supports_op(struct spi_mem *mem, { return false; } - -static inline -bool spi_mem_dtr_supports_op(struct spi_mem *mem, - const struct spi_mem_op *op) -{ - return false; -} #endif /* CONFIG_SPI_MEM */ int spi_mem_adjust_op_size(struct spi_mem *mem, struct spi_mem_op *op);