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Downing" , Piotr Wojtaszczyk , Vladimir Zapolskiy , Liam Girdwood , Mark Brown , Russell King , Michael Turquette , Stephen Boyd , Andi Shyti , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Jaroslav Kysela , Takashi Iwai , Arnd Bergmann , Yangtao Li , Li Zetao , Chancel Liu , Michael Ellerman , dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, alsa-devel@alsa-project.org, linuxppc-dev@lists.ozlabs.org, linux-sound@vger.kernel.org, linux-clk@vger.kernel.org, linux-i2c@vger.kernel.org, linux-mtd@lists.infradead.org Cc: Markus Elfring Subject: [Patch v4 08/10] mtd: rawnand: lpx32xx: Request DMA channels using DT entries Date: Thu, 20 Jun 2024 19:56:39 +0200 Message-Id: <20240620175657.358273-9-piotr.wojtaszczyk@timesys.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240620175657.358273-1-piotr.wojtaszczyk@timesys.com> References: <20240620175657.358273-1-piotr.wojtaszczyk@timesys.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Move away from pl08x platform data towards device tree. Signed-off-by: Piotr Wojtaszczyk --- Changes for v4: - This patch is new in v4 drivers/mtd/nand/raw/lpc32xx_mlc.c | 10 +--------- drivers/mtd/nand/raw/lpc32xx_slc.c | 10 +--------- 2 files changed, 2 insertions(+), 18 deletions(-) diff --git a/drivers/mtd/nand/raw/lpc32xx_mlc.c b/drivers/mtd/nand/raw/lpc3= 2xx_mlc.c index 677fcb03f9be..e504e3c5af11 100644 --- a/drivers/mtd/nand/raw/lpc32xx_mlc.c +++ b/drivers/mtd/nand/raw/lpc32xx_mlc.c @@ -574,15 +574,7 @@ static int lpc32xx_dma_setup(struct lpc32xx_nand_host = *host) struct mtd_info *mtd =3D nand_to_mtd(&host->nand_chip); dma_cap_mask_t mask; =20 - if (!host->pdata || !host->pdata->dma_filter) { - dev_err(mtd->dev.parent, "no DMA platform data\n"); - return -ENOENT; - } - - dma_cap_zero(mask); - dma_cap_set(DMA_SLAVE, mask); - host->dma_chan =3D dma_request_channel(mask, host->pdata->dma_filter, - "nand-mlc"); + host->dma_chan =3D dma_request_chan(mtd->dev.parent, "rx-tx"); if (!host->dma_chan) { dev_err(mtd->dev.parent, "Failed to request DMA channel\n"); return -EBUSY; diff --git a/drivers/mtd/nand/raw/lpc32xx_slc.c b/drivers/mtd/nand/raw/lpc3= 2xx_slc.c index 1c5fa855b9f2..f83a31411bde 100644 --- a/drivers/mtd/nand/raw/lpc32xx_slc.c +++ b/drivers/mtd/nand/raw/lpc32xx_slc.c @@ -721,15 +721,7 @@ static int lpc32xx_nand_dma_setup(struct lpc32xx_nand_= host *host) struct mtd_info *mtd =3D nand_to_mtd(&host->nand_chip); dma_cap_mask_t mask; =20 - if (!host->pdata || !host->pdata->dma_filter) { - dev_err(mtd->dev.parent, "no DMA platform data\n"); - return -ENOENT; - } - - dma_cap_zero(mask); - dma_cap_set(DMA_SLAVE, mask); - host->dma_chan =3D dma_request_channel(mask, host->pdata->dma_filter, - "nand-slc"); + host->dma_chan =3D dma_request_chan(mtd->dev.parent, "rx-tx"); if (!host->dma_chan) { dev_err(mtd->dev.parent, "Failed to request DMA channel\n"); return -EBUSY; --=20 2.25.1