diff options
Diffstat (limited to 'package/mac80211/patches/329-rt2x00-Add-support-for-2-firmware-file-lengths-rt2.patch')
| -rw-r--r-- | package/mac80211/patches/329-rt2x00-Add-support-for-2-firmware-file-lengths-rt2.patch | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/package/mac80211/patches/329-rt2x00-Add-support-for-2-firmware-file-lengths-rt2.patch b/package/mac80211/patches/329-rt2x00-Add-support-for-2-firmware-file-lengths-rt2.patch new file mode 100644 index 000000000..b05843db8 --- /dev/null +++ b/package/mac80211/patches/329-rt2x00-Add-support-for-2-firmware-file-lengths-rt2.patch @@ -0,0 +1,58 @@ +From cac151e6e6aa50ecb5d965aa5e2840d0e69f8efa Mon Sep 17 00:00:00 2001 +From: Ivo van Doorn <IvDoorn@gmail.com> +Date: Thu, 22 Jan 2009 22:02:32 +0100 +Subject: [PATCH] rt2x00: Add support for 2 firmware file lengths (rt2800usb) + +Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> +--- + drivers/net/wireless/rt2x00/rt2800usb.c | 32 +++++++++++++++++++++++++++++- + 1 files changed, 30 insertions(+), 2 deletions(-) + +--- a/drivers/net/wireless/rt2x00/rt2800usb.c ++++ b/drivers/net/wireless/rt2x00/rt2800usb.c +@@ -1128,6 +1128,34 @@ static int rt2800usb_load_firmware(struc + unsigned int i; + int status; + u32 reg; ++ u32 offset; ++ u32 length; ++ u16 chipset = (rt2x00_rev(&rt2x00dev->chip) >> 16) & 0xffff; ++ ++ /* ++ * Firmware files: ++ * There are 2 variations of the rt2870 firmware. ++ * a) size: 4kb ++ * b) size: 8kb ++ * Note that (b) contains 2 seperate firmware blobs of 4k ++ * within the file. The first blob is the same firmware as (a), ++ * but the second blob is for the additional chipsets. ++ */ ++ if (len < 4096) { ++ ERROR(rt2x00dev, "Unsupported firmware file (len=%zu)\n", len); ++ return -ENOENT; ++ } ++ ++ if ((chipset == 0x2860) || (chipset == 0x2872) || (chipset == 0x3070)) { ++ offset = 0; ++ length = 4096; ++ } else if (len == 8192) { ++ offset = 4096; ++ length = 4096; ++ } else { ++ ERROR(rt2x00dev, "Unsupported firmware file (len=%zu)\n", len); ++ return -ENOENT; ++ } + + /* + * Wait for stable hardware. +@@ -1150,8 +1178,8 @@ static int rt2800usb_load_firmware(struc + rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE, + USB_VENDOR_REQUEST_OUT, + FIRMWARE_IMAGE_BASE, +- data, len, +- REGISTER_TIMEOUT32(len)); ++ data + offset, length, ++ REGISTER_TIMEOUT32(length)); + + rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_CID, ~0); + rt2x00usb_register_write(rt2x00dev, H2M_MAILBOX_STATUS, ~0); |