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Date: Thu, 23 Mar 2017 05:07:14 +0900 From: Masahiro Yamada <yamada.masahiro@...ionext.com> To: linux-mtd@...ts.infradead.org Cc: laurent.monat@...uantique.com, thorsten.christiansson@...uantique.com, Enrico Jorns <ejo@...gutronix.de>, Artem Bityutskiy <artem.bityutskiy@...ux.intel.com>, Dinh Nguyen <dinguyen@...nel.org>, Boris Brezillon <boris.brezillon@...e-electrons.com>, Marek Vasut <marek.vasut@...il.com>, Graham Moore <grmoore@...nsource.altera.com>, David Woodhouse <dwmw2@...radead.org>, Masami Hiramatsu <mhiramat@...nel.org>, Chuanxiao Dong <chuanxiao.dong@...el.com>, Jassi Brar <jaswinder.singh@...aro.org>, Masahiro Yamada <yamada.masahiro@...ionext.com>, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, Brian Norris <computersforpeace@...il.com>, Richard Weinberger <richard@....at>, Cyrille Pitchen <cyrille.pitchen@...el.com>, Rob Herring <robh+dt@...nel.org>, Mark Rutland <mark.rutland@....com> Subject: [RESEND PATCH v2 15/53] mtd: nand: denali_dt: remove dma-mask DT property The driver sets appropriate DMA mask. Delete the "dma-mask" DT property. See [1] for negative comments for this binding. [1] https://lkml.org/lkml/2016/2/8/57 Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com> Acked-by: Rob Herring <robh@...nel.org> --- Changes in v2: None Documentation/devicetree/bindings/mtd/denali-nand.txt | 2 -- drivers/mtd/nand/denali_dt.c | 9 --------- 2 files changed, 11 deletions(-) diff --git a/Documentation/devicetree/bindings/mtd/denali-nand.txt b/Documentation/devicetree/bindings/mtd/denali-nand.txt index 6f4ab4c..e593bbe 100644 --- a/Documentation/devicetree/bindings/mtd/denali-nand.txt +++ b/Documentation/devicetree/bindings/mtd/denali-nand.txt @@ -6,7 +6,6 @@ Required properties: - reg : should contain registers location and length for data and reg. - reg-names: Should contain the reg names "nand_data" and "denali_reg" - interrupts : The interrupt number. - - dm-mask : DMA bit mask The device tree may optionally contain sub-nodes describing partitions of the address space. See partition.txt for more detail. @@ -20,5 +19,4 @@ nand: nand@...00000 { reg = <0xff900000 0x100000>, <0xffb80000 0x10000>; reg-names = "nand_data", "denali_reg"; interrupts = <0 144 4>; - dma-mask = <0xffffffff>; }; diff --git a/drivers/mtd/nand/denali_dt.c b/drivers/mtd/nand/denali_dt.c index 9577bfd..b8a8284 100644 --- a/drivers/mtd/nand/denali_dt.c +++ b/drivers/mtd/nand/denali_dt.c @@ -46,8 +46,6 @@ static const struct of_device_id denali_nand_dt_ids[] = { }; MODULE_DEVICE_TABLE(of, denali_nand_dt_ids); -static u64 denali_dma_mask; - static int denali_dt_probe(struct platform_device *ofdev) { struct resource *denali_reg, *nand_data; @@ -83,13 +81,6 @@ static int denali_dt_probe(struct platform_device *ofdev) if (IS_ERR(denali->flash_mem)) return PTR_ERR(denali->flash_mem); - if (!of_property_read_u32(ofdev->dev.of_node, - "dma-mask", (u32 *)&denali_dma_mask)) { - denali->dev->dma_mask = &denali_dma_mask; - } else { - denali->dev->dma_mask = NULL; - } - dt->clk = devm_clk_get(&ofdev->dev, NULL); if (IS_ERR(dt->clk)) { dev_err(&ofdev->dev, "no clk available\n"); -- 2.7.4
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