Hello. On 17-09-2010 4:18, tom.leiming@xxxxxxxxx wrote:
From: Ming Lei<tom.leiming@xxxxxxxxx>
Set max_len of cppi dma channel as max size of int type, so make musb dma handling happier.
Signed-off-by: Ming Lei<tom.leiming@xxxxxxxxx> Reported-by: Sergei Shtylyov<sshtylyov@xxxxxxxxxx> Cc: Felipe Balbi<balbi@xxxxxx> Cc: David Brownell<dbrownell@xxxxxxxxxxxxxxxxxxxxx> Cc: Anand Gadiyar<gadiyar@xxxxxx> Cc: Mike Frysinger<vapier@xxxxxxxxxx> Cc: Sergei Shtylyov<sshtylyov@xxxxxxxxxxxxx> --- drivers/usb/musb/cppi_dma.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/drivers/usb/musb/cppi_dma.c b/drivers/usb/musb/cppi_dma.c index 59dc3d3..28c4c85 100644 --- a/drivers/usb/musb/cppi_dma.c +++ b/drivers/usb/musb/cppi_dma.c @@ -322,6 +322,7 @@ cppi_channel_allocate(struct dma_controller *c, index, transmit ? 'T' : 'R', cppi_ch); cppi_ch->hw_ep = ep; cppi_ch->channel.status = MUSB_DMA_STATUS_FREE; + cppi_ch->channel.max_len = 0x7fffffff; DBG(4, "Allocate CPPI%d %cX\n", index, transmit ? 'T' : 'R'); return&cppi_ch->channel;
I'm for mergidng this patch with the patch that makes use of 'max_len' for CPPI -- to keep the bisectability.
WBR, Sergei -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
