From: Marek Vasut <marex@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] usb: ohci: change the NUM_EDs from 8 to 32
Date: Fri, 29 Jun 2018 10:49:46 +0200 [thread overview]
Message-ID: <6b0f48d9-1ae7-2ca2-d242-873f17e4f1c4@denx.de> (raw)
In-Reply-To: <1530208459-32073-1-git-send-email-prime.zeng@hisilicon.com>
On 06/28/2018 07:54 PM, Zeng Tao wrote:
> For ohci, the maximam supported endpoint number is 32(in and out), and
> now we have used (usb_pipeendpoint(pipe) << 1) to index the specified
> endpoint descritor, usb_pipeendpoint(pipe) can reach 0xf, so we need
> change the NUM_EDs from 8 to 32.
>
> Signed-off-by: Zeng Tao <prime.zeng@hisilicon.com>
> ---
> drivers/usb/host/ohci.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/usb/host/ohci.h b/drivers/usb/host/ohci.h
> index 2350831..fba78dc 100644
> --- a/drivers/usb/host/ohci.h
> +++ b/drivers/usb/host/ohci.h
> @@ -359,7 +359,7 @@ typedef struct
> } urb_priv_t;
> #define URB_DEL 1
>
> -#define NUM_EDS 8 /* num of preallocated endpoint descriptors */
> +#define NUM_EDS 32 /* num of preallocated endpoint descriptors */
>
> #define NUM_TD 64 /* we need more TDs than EDs */
Is this a bugfix for some recent patch ?
--
Best regards,
Marek Vasut
next prev parent reply other threads:[~2018-06-29 8:49 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-28 17:54 [U-Boot] [PATCH] usb: ohci: change the NUM_EDs from 8 to 32 Zeng Tao
2018-06-29 8:49 ` Marek Vasut [this message]
2018-06-29 9:47 ` Zengtao
2018-06-29 9:52 ` Marek Vasut
2018-06-30 1:10 ` Zengtao
2018-06-30 4:35 ` Marek Vasut
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