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| author | Benoît Thébaudeau <benoit.thebaudeau@advansee.com> | 2012-08-10 18:26:50 +0200 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2012-09-01 16:21:52 +0200 |
| commit | cffcc503580907d733e694d505e12ff6ec6c679a (patch) | |
| tree | 6e54b3975046871828d0d24a4cecbffaf2e9f48c /common/usb_storage.c | |
| parent | 5cec214ecd7ddabc5480958c5355139c07ba8cee (diff) | |
| download | u-boot-imx-cffcc503580907d733e694d505e12ff6ec6c679a.zip u-boot-imx-cffcc503580907d733e694d505e12ff6ec6c679a.tar.gz u-boot-imx-cffcc503580907d733e694d505e12ff6ec6c679a.tar.bz2 | |
usb_storage: Restore non-EHCI support
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: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Cc: Marek Vasut <marex@denx.de>
Cc: Ilya Yanok <ilya.yanok@cogentembedded.com>
Cc: Stefan Herbrechtsmeier <stefan@herbrechtsmeier.net>
Diffstat (limited to 'common/usb_storage.c')
| -rw-r--r-- | common/usb_storage.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/common/usb_storage.c b/common/usb_storage.c index bdc306f..0cd6399 100644 --- a/common/usb_storage.c +++ b/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]; |