brcm2708: add linux 4.9 support

[openwrt/staging/yousong.git] / target / linux / brcm2708 / patches-4.9 / 0002-smsc95xx-Experimental-Enable-turbo_mode-and-packetsi.patch

diff --git a/target/linux/brcm2708/patches-4.9/0002-smsc95xx-Experimental-Enable-turbo_mode-and-packetsi.patch b/target/linux/brcm2708/patches-4.9/0002-smsc95xx-Experimental-Enable-turbo_mode-and-packetsi.patch
new file mode 100644 (file)
index 0000000..9d47276
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.9/0002-smsc95xx-Experimental-Enable-turbo_mode-and-packetsi.patch
@@ -0,0 +1,43 @@
+From aefca8fa1aefb12cc7ac1862b4c6e94c1ec9e74c Mon Sep 17 00:00:00 2001
+From: Sam Nazarko <email@samnazarko.co.uk>
+Date: Fri, 1 Apr 2016 17:27:21 +0100
+Subject: [PATCH] smsc95xx: Experimental: Enable turbo_mode and packetsize=2560
+ by default
+
+See: http://forum.kodi.tv/showthread.php?tid=285288
+---
+ drivers/net/usb/smsc95xx.c | 14 +++++++++-----
+ 1 file changed, 9 insertions(+), 5 deletions(-)
+
+--- a/drivers/net/usb/smsc95xx.c
++++ b/drivers/net/usb/smsc95xx.c
+@@ -86,6 +86,10 @@ static bool truesize_mode = false;
+ module_param(truesize_mode, bool, 0644);
+ MODULE_PARM_DESC(truesize_mode, "Report larger truesize value");
+ 
++static int packetsize = 2560;
++module_param(packetsize, int, 0644);
++MODULE_PARM_DESC(packetsize, "Override the RX URB packet size");
++
+ static int __must_check __smsc95xx_read_reg(struct usbnet *dev, u32 index,
+                                           u32 *data, int in_pm)
+ {
+@@ -1106,13 +1110,13 @@ static int smsc95xx_reset(struct usbnet
+ 
+       if (!turbo_mode) {
+               burst_cap = 0;
+-              dev->rx_urb_size = MAX_SINGLE_PACKET_SIZE;
++              dev->rx_urb_size = packetsize ? packetsize : MAX_SINGLE_PACKET_SIZE;
+       } else if (dev->udev->speed == USB_SPEED_HIGH) {
+-              burst_cap = DEFAULT_HS_BURST_CAP_SIZE / HS_USB_PKT_SIZE;
+-              dev->rx_urb_size = DEFAULT_HS_BURST_CAP_SIZE;
++              dev->rx_urb_size = packetsize ? packetsize : DEFAULT_HS_BURST_CAP_SIZE;
++              burst_cap = dev->rx_urb_size / HS_USB_PKT_SIZE;
+       } else {
+-              burst_cap = DEFAULT_FS_BURST_CAP_SIZE / FS_USB_PKT_SIZE;
+-              dev->rx_urb_size = DEFAULT_FS_BURST_CAP_SIZE;
++              dev->rx_urb_size = packetsize ? packetsize : DEFAULT_FS_BURST_CAP_SIZE;
++              burst_cap = dev->rx_urb_size / FS_USB_PKT_SIZE;
+       }
+ 
+       netif_dbg(dev, ifup, dev->net, "rx_urb_size=%ld\n",