From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?utf-8?Q?Beno=C3=AEt_Th=C3=A9baudeau?= Date: Fri, 10 Aug 2012 18:26:50 +0200 (CEST) Subject: [U-Boot] [PATCH v4 3/7] usb_storage: Restore non-EHCI support In-Reply-To: <277000258.2278273.1344615697596.JavaMail.root@advansee.com> Message-ID: <1467223663.2278493.1344616010545.JavaMail.root@advansee.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de The commit 5dd95cf made the MSC driver EHCI-specific. This patch restores a basic support of non-EHCI HCDs, like before that commit. The fallback transfer size is certainly not optimal, but at least it should work like before. Signed-off-by: Beno?t Th?baudeau Cc: Marek Vasut Cc: Ilya Yanok Cc: Stefan Herbrechtsmeier --- Changes for v2: None. Changes for v3: - Patch swapped with the currently following one. Changes for v4: None. .../common/usb_storage.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git u-boot-usb-4f8254e.orig/common/usb_storage.c u-boot-usb-4f8254e/common/usb_storage.c index bdc306f..0cd6399 100644 --- u-boot-usb-4f8254e.orig/common/usb_storage.c +++ u-boot-usb-4f8254e/common/usb_storage.c @@ -155,11 +155,15 @@ struct us_data { trans_cmnd transport; /* transport routine */ }; +#ifdef CONFIG_USB_EHCI /* * The U-Boot EHCI driver cannot handle more than 5 page aligned buffers * of 4096 bytes in a transfer without running itself out of qt_buffers */ #define USB_MAX_XFER_BLK(start, blksz) (((4096 * 5) - (start % 4096)) / blksz) +#else +#define USB_MAX_XFER_BLK(start, blksz) 20 +#endif static struct us_data usb_stor[USB_MAX_STOR_DEV];