brcm2708: rename target to bcm27xx

This change makes the names of Broadcom targets consistent by using
the common notation based on SoC/CPU ID (which is used internally
anyway), bcmXXXX instead of brcmXXXX.
This is even used for target TITLE in make menuconfig already,
only the short target name used brcm so far.

Despite, since subtargets range from bcm2708 to bcm2711, it seems
appropriate to use bcm27xx instead of bcm2708 (again, as already done
for BOARDNAME).

This also renames the packages brcm2708-userland and brcm2708-gpu-fw.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
Acked-by: Álvaro Fernández Rojas <noltari@gmail.com>

1 files changed, 44 insertions, 0 deletions

diff --git a/target/linux/bcm27xx/patches-4.19/950-0259-lan78xx-Debounce-link-events-to-minimize-poll-storm.patch b/target/linux/bcm27xx/patches-4.19/950-0259-lan78xx-Debounce-link-events-to-minimize-poll-storm.patch
new file mode 100644
index 0000000000..395934dd49
--- /dev/null
+++ b/target/linux/bcm27xx/patches-4.19/950-0259-lan78xx-Debounce-link-events-to-minimize-poll-storm.patch
@@ -0,0 +1,44 @@
+From 020ee4d0d438b830ee40da8d9d3414de156a11e7 Mon Sep 17 00:00:00 2001
+From: Joshua Emele <jemele@acm.org>
+Date: Wed, 7 Nov 2018 16:07:40 -0800
+Subject: [PATCH] lan78xx: Debounce link events to minimize poll storm
+
+The bInterval is set to 4 (i.e. 8 microframes => 1ms) and the only bit
+that the driver pays attention to is "link was reset". If there's a
+flapping status bit in that endpoint data, (such as if PHY negotiation
+needs a few tries to get a stable link) then polling at a slower rate
+would act as a de-bounce.
+
+See: https://github.com/raspberrypi/linux/issues/2447
+---
+ drivers/net/usb/lan78xx.c | 12 +++++++++++-
+ 1 file changed, 11 insertions(+), 1 deletion(-)
+
+--- a/drivers/net/usb/lan78xx.c
++++ b/drivers/net/usb/lan78xx.c
+@@ -449,6 +449,11 @@ static bool enable_tso;
+ module_param(enable_tso, bool, 0644);
+ MODULE_PARM_DESC(enable_tso, "Enables TCP segmentation offload");
+ 
++#define INT_URB_MICROFRAMES_PER_MS	8
++static int int_urb_interval_ms = 8;
++module_param(int_urb_interval_ms, int, 0);
++MODULE_PARM_DESC(int_urb_interval_ms, "Override usb interrupt urb interval");
++
+ static int lan78xx_read_reg(struct lan78xx_net *dev, u32 index, u32 *data)
+ {
+ 	u32 *buf = kmalloc(sizeof(u32), GFP_KERNEL);
+@@ -3838,7 +3843,12 @@ static int lan78xx_probe(struct usb_inte
+ 	dev->pipe_intr = usb_rcvintpipe(dev->udev,
+ 					dev->ep_intr->desc.bEndpointAddress &
+ 					USB_ENDPOINT_NUMBER_MASK);
+-	period = dev->ep_intr->desc.bInterval;
++	if (int_urb_interval_ms <= 0)
++		period = dev->ep_intr->desc.bInterval;
++	else
++		period = int_urb_interval_ms * INT_URB_MICROFRAMES_PER_MS;
++
++	netif_notice(dev, probe, netdev, "int urb period %d\n", period);
+ 
+ 	maxp = usb_maxpacket(dev->udev, dev->pipe_intr, 0);
+ 	buf = kmalloc(maxp, GFP_KERNEL);