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Date: Mon, 24 Jul 2023 15:22:50 +0200
From: Jacopo Mondi <jacopo.mondi@...asonboard.com>
To: Petr Tesarik <petrtesarik@...weicloud.com>
Cc: Yoshinori Sato <ysato@...rs.sourceforge.jp>,
Rich Felker <dalias@...c.org>,
John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Arnd Bergmann <arnd@...db.de>,
Linus Walleij <linus.walleij@...aro.org>,
Jacopo Mondi <jacopo+renesas@...ndi.org>,
Hans Verkuil <hans.verkuil@...co.com>,
Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
Laurent Pinchart <laurent.pinchart@...asonboard.com>,
"open list:SUPERH" <linux-sh@...r.kernel.org>,
open list <linux-kernel@...r.kernel.org>,
Roberto Sassu <roberto.sassu@...weicloud.com>, petr@...arici.cz
Subject: Re: [PATCH v1] sh: boards: fix CEU buffer size passed to
dma_declare_coherent_memory()
Hi Petr,
On Mon, Jul 24, 2023 at 02:07:42PM +0200, Petr Tesarik wrote:
> From: Petr Tesarik <petr.tesarik.ext@...wei.com>
>
> In all these cases, the last argument to dma_declare_coherent_memory() is
> the buffer end address, but the expected value should be the size of the
> reserved region.
>
> Fixes: 39fb993038e1 ("media: arch: sh: ap325rxa: Use new renesas-ceu camera driver")
> Fixes: c2f9b05fd5c1 ("media: arch: sh: ecovec: Use new renesas-ceu camera driver")
> Fixes: f3590dc32974 ("media: arch: sh: kfr2r09: Use new renesas-ceu camera driver")
> Fixes: 186c446f4b84 ("media: arch: sh: migor: Use new renesas-ceu camera driver")
> Fixes: 1a3c230b4151 ("media: arch: sh: ms7724se: Use new renesas-ceu camera driver")
Ups, seems like I have introduced all of these! thanks for fixing
Reviewed-by: Jacopo Mondi <jacopo.mondi@...asonboard.com>
Thanks
j
> Signed-off-by: Petr Tesarik <petr.tesarik.ext@...wei.com>
> ---
> arch/sh/boards/mach-ap325rxa/setup.c | 2 +-
> arch/sh/boards/mach-ecovec24/setup.c | 6 ++----
> arch/sh/boards/mach-kfr2r09/setup.c | 2 +-
> arch/sh/boards/mach-migor/setup.c | 2 +-
> arch/sh/boards/mach-se/7724/setup.c | 6 ++----
> 5 files changed, 7 insertions(+), 11 deletions(-)
>
> diff --git a/arch/sh/boards/mach-ap325rxa/setup.c b/arch/sh/boards/mach-ap325rxa/setup.c
> index 151792162152..645cccf3da88 100644
> --- a/arch/sh/boards/mach-ap325rxa/setup.c
> +++ b/arch/sh/boards/mach-ap325rxa/setup.c
> @@ -531,7 +531,7 @@ static int __init ap325rxa_devices_setup(void)
> device_initialize(&ap325rxa_ceu_device.dev);
> dma_declare_coherent_memory(&ap325rxa_ceu_device.dev,
> ceu_dma_membase, ceu_dma_membase,
> - ceu_dma_membase + CEU_BUFFER_MEMORY_SIZE - 1);
> + CEU_BUFFER_MEMORY_SIZE);
>
> platform_device_add(&ap325rxa_ceu_device);
>
> diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
> index 674da7ebd8b7..7ec03d4a4edf 100644
> --- a/arch/sh/boards/mach-ecovec24/setup.c
> +++ b/arch/sh/boards/mach-ecovec24/setup.c
> @@ -1454,15 +1454,13 @@ static int __init arch_setup(void)
> device_initialize(&ecovec_ceu_devices[0]->dev);
> dma_declare_coherent_memory(&ecovec_ceu_devices[0]->dev,
> ceu0_dma_membase, ceu0_dma_membase,
> - ceu0_dma_membase +
> - CEU_BUFFER_MEMORY_SIZE - 1);
> + CEU_BUFFER_MEMORY_SIZE);
> platform_device_add(ecovec_ceu_devices[0]);
>
> device_initialize(&ecovec_ceu_devices[1]->dev);
> dma_declare_coherent_memory(&ecovec_ceu_devices[1]->dev,
> ceu1_dma_membase, ceu1_dma_membase,
> - ceu1_dma_membase +
> - CEU_BUFFER_MEMORY_SIZE - 1);
> + CEU_BUFFER_MEMORY_SIZE);
> platform_device_add(ecovec_ceu_devices[1]);
>
> gpiod_add_lookup_table(&cn12_power_gpiod_table);
> diff --git a/arch/sh/boards/mach-kfr2r09/setup.c b/arch/sh/boards/mach-kfr2r09/setup.c
> index 20f4db778ed6..c6d556dfbbbe 100644
> --- a/arch/sh/boards/mach-kfr2r09/setup.c
> +++ b/arch/sh/boards/mach-kfr2r09/setup.c
> @@ -603,7 +603,7 @@ static int __init kfr2r09_devices_setup(void)
> device_initialize(&kfr2r09_ceu_device.dev);
> dma_declare_coherent_memory(&kfr2r09_ceu_device.dev,
> ceu_dma_membase, ceu_dma_membase,
> - ceu_dma_membase + CEU_BUFFER_MEMORY_SIZE - 1);
> + CEU_BUFFER_MEMORY_SIZE);
>
> platform_device_add(&kfr2r09_ceu_device);
>
> diff --git a/arch/sh/boards/mach-migor/setup.c b/arch/sh/boards/mach-migor/setup.c
> index f60061283c48..773ee767d0c4 100644
> --- a/arch/sh/boards/mach-migor/setup.c
> +++ b/arch/sh/boards/mach-migor/setup.c
> @@ -604,7 +604,7 @@ static int __init migor_devices_setup(void)
> device_initialize(&migor_ceu_device.dev);
> dma_declare_coherent_memory(&migor_ceu_device.dev,
> ceu_dma_membase, ceu_dma_membase,
> - ceu_dma_membase + CEU_BUFFER_MEMORY_SIZE - 1);
> + CEU_BUFFER_MEMORY_SIZE);
>
> platform_device_add(&migor_ceu_device);
>
> diff --git a/arch/sh/boards/mach-se/7724/setup.c b/arch/sh/boards/mach-se/7724/setup.c
> index b60a2626e18b..6495f9354065 100644
> --- a/arch/sh/boards/mach-se/7724/setup.c
> +++ b/arch/sh/boards/mach-se/7724/setup.c
> @@ -940,15 +940,13 @@ static int __init devices_setup(void)
> device_initialize(&ms7724se_ceu_devices[0]->dev);
> dma_declare_coherent_memory(&ms7724se_ceu_devices[0]->dev,
> ceu0_dma_membase, ceu0_dma_membase,
> - ceu0_dma_membase +
> - CEU_BUFFER_MEMORY_SIZE - 1);
> + CEU_BUFFER_MEMORY_SIZE);
> platform_device_add(ms7724se_ceu_devices[0]);
>
> device_initialize(&ms7724se_ceu_devices[1]->dev);
> dma_declare_coherent_memory(&ms7724se_ceu_devices[1]->dev,
> ceu1_dma_membase, ceu1_dma_membase,
> - ceu1_dma_membase +
> - CEU_BUFFER_MEMORY_SIZE - 1);
> + CEU_BUFFER_MEMORY_SIZE);
> platform_device_add(ms7724se_ceu_devices[1]);
>
> return platform_add_devices(ms7724se_devices,
> --
> 2.25.1
>
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