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Message-ID: <CAK8P3a1CV-JUpBJ0pjixwXxxOzjQOX=+E3s-mKGAz_bMBc_Vuw@mail.gmail.com>
Date: Fri, 28 Jun 2019 12:47:23 +0200
From: Arnd Bergmann <arnd@...db.de>
To: Lee Jones <lee.jones@...aro.org>
Cc: Richard Fontana <rfontana@...hat.com>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Sekhar Nori <nsekhar@...com>,
Bartosz Golaszewski <bgolaszewski@...libre.com>,
Linux ARM <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH] mfd: davinci_voicecodec: remove pointless #include
[I missed the davinci maintainers on cc here, sorry]
On Fri, Jun 28, 2019 at 12:41 PM Arnd Bergmann <arnd@...db.de> wrote:
>
> When building davinci as multiplatform, we get a build error
> in this file:
>
> drivers/mfd/davinci_voicecodec.c:22:10: fatal error: 'mach/hardware.h' file not found
>
> The header is only used to access the io_v2p() macro, but the
> result is already known because that comes from the resource
> a little bit earlier.
>
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
> drivers/mfd/davinci_voicecodec.c | 9 ++++-----
> 1 file changed, 4 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/mfd/davinci_voicecodec.c b/drivers/mfd/davinci_voicecodec.c
> index 13ca7203e193..e5c8bc998eb4 100644
> --- a/drivers/mfd/davinci_voicecodec.c
> +++ b/drivers/mfd/davinci_voicecodec.c
> @@ -19,7 +19,6 @@
> #include <sound/pcm.h>
>
> #include <linux/mfd/davinci_voicecodec.h>
> -#include <mach/hardware.h>
>
> static const struct regmap_config davinci_vc_regmap = {
> .reg_bits = 32,
> @@ -31,6 +30,7 @@ static int __init davinci_vc_probe(struct platform_device *pdev)
> struct davinci_vc *davinci_vc;
> struct resource *res;
> struct mfd_cell *cell = NULL;
> + dma_addr_t fifo_base;
> int ret;
>
> davinci_vc = devm_kzalloc(&pdev->dev,
> @@ -48,6 +48,7 @@ static int __init davinci_vc_probe(struct platform_device *pdev)
>
> res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
>
> + fifo_base = (dma_addr_t)res->start;
> davinci_vc->base = devm_ioremap_resource(&pdev->dev, res);
> if (IS_ERR(davinci_vc->base)) {
> ret = PTR_ERR(davinci_vc->base);
> @@ -70,8 +71,7 @@ static int __init davinci_vc_probe(struct platform_device *pdev)
> }
>
> davinci_vc->davinci_vcif.dma_tx_channel = res->start;
> - davinci_vc->davinci_vcif.dma_tx_addr =
> - (dma_addr_t)(io_v2p(davinci_vc->base) + DAVINCI_VC_WFIFO);
> + davinci_vc->davinci_vcif.dma_tx_addr = fifo_base + DAVINCI_VC_WFIFO;
>
> res = platform_get_resource(pdev, IORESOURCE_DMA, 1);
> if (!res) {
> @@ -81,8 +81,7 @@ static int __init davinci_vc_probe(struct platform_device *pdev)
> }
>
> davinci_vc->davinci_vcif.dma_rx_channel = res->start;
> - davinci_vc->davinci_vcif.dma_rx_addr =
> - (dma_addr_t)(io_v2p(davinci_vc->base) + DAVINCI_VC_RFIFO);
> + davinci_vc->davinci_vcif.dma_rx_addr = fifo_base + DAVINCI_VC_RFIFO;
>
> davinci_vc->dev = &pdev->dev;
> davinci_vc->pdev = pdev;
> --
> 2.20.0
>
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