On 24 January 2017 at 10:27, Marek Szyprowski <m.szyprowski@xxxxxxxxxxx> wrote:
> This driver is now used only on platforms which support device tree, so
> it is safe to remove legacy platform data based initialization code.
>
> Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
> Acked-by: Arnd Bergmann <arnd@xxxxxxxx>
> For plat-samsung:
> Acked-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
Reviewed-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
Kind regards
Uffe
> ---
> arch/arm/plat-samsung/devs.c | 1 -
> drivers/dma/pl330.c | 42 ++++++++----------------------------------
> include/linux/amba/pl330.h | 35 -----------------------------------
> 3 files changed, 8 insertions(+), 70 deletions(-)
> delete mode 100644 include/linux/amba/pl330.h
>
> diff --git a/arch/arm/plat-samsung/devs.c b/arch/arm/plat-samsung/devs.c
> index 03fac123676d..dc269d9143bc 100644
> --- a/arch/arm/plat-samsung/devs.c
> +++ b/arch/arm/plat-samsung/devs.c
> @@ -10,7 +10,6 @@
> * published by the Free Software Foundation.
> */
>
> -#include <linux/amba/pl330.h>
> #include <linux/kernel.h>
> #include <linux/types.h>
> #include <linux/interrupt.h>
> diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
> index 7539f73df9e0..78be12b45a45 100644
> --- a/drivers/dma/pl330.c
> +++ b/drivers/dma/pl330.c
> @@ -22,7 +22,6 @@
> #include <linux/dma-mapping.h>
> #include <linux/dmaengine.h>
> #include <linux/amba/bus.h>
> -#include <linux/amba/pl330.h>
> #include <linux/scatterlist.h>
> #include <linux/of.h>
> #include <linux/of_dma.h>
> @@ -2076,18 +2075,6 @@ static void pl330_tasklet(unsigned long data)
> }
> }
>
> -bool pl330_filter(struct dma_chan *chan, void *param)
> -{
> - u8 *peri_id;
> -
> - if (chan->device->dev->driver != &pl330_driver.drv)
> - return false;
> -
> - peri_id = chan->private;
> - return *peri_id == (unsigned long)param;
> -}
> -EXPORT_SYMBOL(pl330_filter);
> -
> static struct dma_chan *of_dma_pl330_xlate(struct of_phandle_args *dma_spec,
> struct of_dma *ofdma)
> {
> @@ -2832,7 +2819,6 @@ static int __maybe_unused pl330_resume(struct device *dev)
> static int
> pl330_probe(struct amba_device *adev, const struct amba_id *id)
> {
> - struct dma_pl330_platdata *pdat;
> struct pl330_config *pcfg;
> struct pl330_dmac *pl330;
> struct dma_pl330_chan *pch, *_p;
> @@ -2842,8 +2828,6 @@ static int __maybe_unused pl330_resume(struct device *dev)
> int num_chan;
> struct device_node *np = adev->dev.of_node;
>
> - pdat = dev_get_platdata(&adev->dev);
> -
> ret = dma_set_mask_and_coherent(&adev->dev, DMA_BIT_MASK(32));
> if (ret)
> return ret;
> @@ -2856,7 +2840,7 @@ static int __maybe_unused pl330_resume(struct device *dev)
> pd = &pl330->ddma;
> pd->dev = &adev->dev;
>
> - pl330->mcbufsz = pdat ? pdat->mcbuf_sz : 0;
> + pl330->mcbufsz = 0;
>
> /* get quirk */
> for (i = 0; i < ARRAY_SIZE(of_quirks); i++)
> @@ -2900,10 +2884,7 @@ static int __maybe_unused pl330_resume(struct device *dev)
> INIT_LIST_HEAD(&pd->channels);
>
> /* Initialize channel parameters */
> - if (pdat)
> - num_chan = max_t(int, pdat->nr_valid_peri, pcfg->num_chan);
> - else
> - num_chan = max_t(int, pcfg->num_peri, pcfg->num_chan);
> + num_chan = max_t(int, pcfg->num_peri, pcfg->num_chan);
>
> pl330->num_peripherals = num_chan;
>
> @@ -2915,11 +2896,8 @@ static int __maybe_unused pl330_resume(struct device *dev)
>
> for (i = 0; i < num_chan; i++) {
> pch = &pl330->peripherals[i];
> - if (!adev->dev.of_node)
> - pch->chan.private = pdat ? &pdat->peri_id[i] : NULL;
> - else
> - pch->chan.private = adev->dev.of_node;
>
> + pch->chan.private = adev->dev.of_node;
> INIT_LIST_HEAD(&pch->submitted_list);
> INIT_LIST_HEAD(&pch->work_list);
> INIT_LIST_HEAD(&pch->completed_list);
> @@ -2932,15 +2910,11 @@ static int __maybe_unused pl330_resume(struct device *dev)
> list_add_tail(&pch->chan.device_node, &pd->channels);
> }
>
> - if (pdat) {
> - pd->cap_mask = pdat->cap_mask;
> - } else {
> - dma_cap_set(DMA_MEMCPY, pd->cap_mask);
> - if (pcfg->num_peri) {
> - dma_cap_set(DMA_SLAVE, pd->cap_mask);
> - dma_cap_set(DMA_CYCLIC, pd->cap_mask);
> - dma_cap_set(DMA_PRIVATE, pd->cap_mask);
> - }
> + dma_cap_set(DMA_MEMCPY, pd->cap_mask);
> + if (pcfg->num_peri) {
> + dma_cap_set(DMA_SLAVE, pd->cap_mask);
> + dma_cap_set(DMA_CYCLIC, pd->cap_mask);
> + dma_cap_set(DMA_PRIVATE, pd->cap_mask);
> }
>
> pd->device_alloc_chan_resources = pl330_alloc_chan_resources;
> diff --git a/include/linux/amba/pl330.h b/include/linux/amba/pl330.h
> deleted file mode 100644
> index fe93758e8403..000000000000
> --- a/include/linux/amba/pl330.h
> +++ /dev/null
> @@ -1,35 +0,0 @@
> -/* linux/include/linux/amba/pl330.h
> - *
> - * Copyright (C) 2010 Samsung Electronics Co. Ltd.
> - * Jaswinder Singh <jassi.brar@xxxxxxxxxxx>
> - *
> - * This program is free software; you can redistribute it and/or modify
> - * it under the terms of the GNU General Public License as published by
> - * the Free Software Foundation; either version 2 of the License, or
> - * (at your option) any later version.
> - */
> -
> -#ifndef __AMBA_PL330_H_
> -#define __AMBA_PL330_H_
> -
> -#include <linux/dmaengine.h>
> -
> -struct dma_pl330_platdata {
> - /*
> - * Number of valid peripherals connected to DMAC.
> - * This may be different from the value read from
> - * CR0, as the PL330 implementation might have 'holes'
> - * in the peri list or the peri could also be reached
> - * from another DMAC which the platform prefers.
> - */
> - u8 nr_valid_peri;
> - /* Array of valid peripherals */
> - u8 *peri_id;
> - /* Operational capabilities */
> - dma_cap_mask_t cap_mask;
> - /* Bytes to allocate for MC buffer */
> - unsigned mcbuf_sz;
> -};
> -
> -extern bool pl330_filter(struct dma_chan *chan, void *param);
> -#endif /* __AMBA_PL330_H_ */
> --
> 1.9.1
>
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