2019-06-28 10:44:05

by Arnd Bergmann

[permalink] [raw]
Subject: [PATCH] mfd: davinci_voicecodec: remove pointless #include

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 <[email protected]>
---
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


2019-06-28 10:48:27

by Arnd Bergmann

[permalink] [raw]
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 <[email protected]> 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 <[email protected]>
> ---
> 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
>

2019-07-01 15:34:50

by Sekhar Nori

[permalink] [raw]
Subject: Re: [PATCH] mfd: davinci_voicecodec: remove pointless #include

On 28/06/19 4:17 PM, Arnd Bergmann wrote:
> [I missed the davinci maintainers on cc here, sorry]
>
> On Fri, Jun 28, 2019 at 12:41 PM Arnd Bergmann <[email protected]> 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 <[email protected]>

Acked-by: Sekhar Nori <[email protected]>

Thanks,
Sekhar