[PATCH] linux-ti33x-psp 3.1: disable MUSB DMA for beaglebone

[PATCH] linux-ti33x-psp 3.1: disable MUSB DMA for beaglebone

[Koen Kooi]

This trades "not working" for "slightly less performance" for a lot of use cases

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
---
 .../linux/linux-ti33x-psp-3.1/beaglebone/defconfig |    7 ++-----
 recipes-kernel/linux/linux-ti33x-psp_3.1.bb        |    2 +-
 2 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/recipes-kernel/linux/linux-ti33x-psp-3.1/beaglebone/defconfig b/recipes-kernel/linux/linux-ti33x-psp-3.1/beaglebone/defconfig
index fcff591..a762e6f 100644
--- a/recipes-kernel/linux/linux-ti33x-psp-3.1/beaglebone/defconfig
+++ b/recipes-kernel/linux/linux-ti33x-psp-3.1/beaglebone/defconfig
@@ -2507,13 +2507,10 @@ CONFIG_USB_MUSB_TI81XX_GLUE=y
 CONFIG_USB_MUSB_TI81XX=y
 # CONFIG_USB_MUSB_BLACKFIN is not set
 # CONFIG_USB_MUSB_UX500 is not set
-# CONFIG_MUSB_PIO_ONLY is not set
-# CONFIG_USB_INVENTRA_DMA_HW is not set
-# CONFIG_USB_TI_CPPI_DMA_HW is not set
-CONFIG_USB_TI_CPPI41_DMA_HW=y
+CONFIG_MUSB_PIO_ONLY=y
 # CONFIG_USB_INVENTRA_DMA is not set
 # CONFIG_USB_TI_CPPI_DMA is not set
-CONFIG_USB_TI_CPPI41_DMA=y
+# CONFIG_USB_TI_CPPI41_DMA is not set
 # CONFIG_USB_TUSB_OMAP_DMA is not set
 # CONFIG_USB_UX500_DMA is not set
 
diff --git a/recipes-kernel/linux/linux-ti33x-psp_3.1.bb b/recipes-kernel/linux/linux-ti33x-psp_3.1.bb
index 4668749..029b5c3 100644
--- a/recipes-kernel/linux/linux-ti33x-psp_3.1.bb
+++ b/recipes-kernel/linux/linux-ti33x-psp_3.1.bb
@@ -11,7 +11,7 @@ MULTI_CONFIG_BASE_SUFFIX = ""
 
 BRANCH = "v3.1-meta-ti-r1r+gitr1d84d8853fa30cf3db2571a5aec572accca4e29d"
 SRCREV = "1d84d8853fa30cf3db2571a5aec572accca4e29d"
-MACHINE_KERNEL_PR_append = "e+gitr${SRCREV}"
+MACHINE_KERNEL_PR_append = "f+gitr${SRCREV}"
 
 COMPATIBLE_MACHINE = "(ti33x)"
 
-- 
1.7.2.5

Re: [PATCH] linux-ti33x-psp 3.1: disable MUSB DMA for beaglebone

[Denys Dmytriyenko]

On Wed, Dec 07, 2011 at 02:27:50PM +0100, Koen Kooi wrote:
> This trades "not working" for "slightly less performance" for a lot of use cases
> 
> Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>

Since we are making a similar change to disable MUSB DMA in Arago:

Acked-by: Denys Dmytriyenko <denys@ti.com>


> ---
>  .../linux/linux-ti33x-psp-3.1/beaglebone/defconfig |    7 ++-----
>  recipes-kernel/linux/linux-ti33x-psp_3.1.bb        |    2 +-
>  2 files changed, 3 insertions(+), 6 deletions(-)
> 
> diff --git a/recipes-kernel/linux/linux-ti33x-psp-3.1/beaglebone/defconfig b/recipes-kernel/linux/linux-ti33x-psp-3.1/beaglebone/defconfig
> index fcff591..a762e6f 100644
> --- a/recipes-kernel/linux/linux-ti33x-psp-3.1/beaglebone/defconfig
> +++ b/recipes-kernel/linux/linux-ti33x-psp-3.1/beaglebone/defconfig
> @@ -2507,13 +2507,10 @@ CONFIG_USB_MUSB_TI81XX_GLUE=y
>  CONFIG_USB_MUSB_TI81XX=y
>  # CONFIG_USB_MUSB_BLACKFIN is not set
>  # CONFIG_USB_MUSB_UX500 is not set
> -# CONFIG_MUSB_PIO_ONLY is not set
> -# CONFIG_USB_INVENTRA_DMA_HW is not set
> -# CONFIG_USB_TI_CPPI_DMA_HW is not set
> -CONFIG_USB_TI_CPPI41_DMA_HW=y
> +CONFIG_MUSB_PIO_ONLY=y
>  # CONFIG_USB_INVENTRA_DMA is not set
>  # CONFIG_USB_TI_CPPI_DMA is not set
> -CONFIG_USB_TI_CPPI41_DMA=y
> +# CONFIG_USB_TI_CPPI41_DMA is not set
>  # CONFIG_USB_TUSB_OMAP_DMA is not set
>  # CONFIG_USB_UX500_DMA is not set
>  
> diff --git a/recipes-kernel/linux/linux-ti33x-psp_3.1.bb b/recipes-kernel/linux/linux-ti33x-psp_3.1.bb
> index 4668749..029b5c3 100644
> --- a/recipes-kernel/linux/linux-ti33x-psp_3.1.bb
> +++ b/recipes-kernel/linux/linux-ti33x-psp_3.1.bb
> @@ -11,7 +11,7 @@ MULTI_CONFIG_BASE_SUFFIX = ""
>  
>  BRANCH = "v3.1-meta-ti-r1r+gitr1d84d8853fa30cf3db2571a5aec572accca4e29d"
>  SRCREV = "1d84d8853fa30cf3db2571a5aec572accca4e29d"
> -MACHINE_KERNEL_PR_append = "e+gitr${SRCREV}"
> +MACHINE_KERNEL_PR_append = "f+gitr${SRCREV}"
>  
>  COMPATIBLE_MACHINE = "(ti33x)"
>  
> -- 
> 1.7.2.5
> 
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