mvebu: remove linux 4.4 support

Signed-off-by: Felix Fietkau <nbd@nbd.name>

1 files changed, 0 insertions, 124 deletions

diff --git a/target/linux/mvebu/patches-4.4/035-net-mvneta-Configure-XPS-support.patch b/target/linux/mvebu/patches-4.4/035-net-mvneta-Configure-XPS-support.patch
deleted file mode 100644
index 5b35b6442b..0000000000
--- a/target/linux/mvebu/patches-4.4/035-net-mvneta-Configure-XPS-support.patch
+++ /dev/null
@@ -1,124 +0,0 @@
-From: Gregory CLEMENT <gregory.clement@free-electrons.com>
-Date: Wed, 9 Dec 2015 18:23:51 +0100
-Subject: [PATCH] net: mvneta: Configure XPS support
-
-With this patch each CPU is associated with its own set of TX queues.
-
-It also setup the XPS with an initial configuration which set the
-affinity matching the hardware configuration.
-
-Suggested-by: Arnd Bergmann <arnd@arndb.de>
-Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
-Signed-off-by: David S. Miller <davem@davemloft.net>
----
-
---- a/drivers/net/ethernet/marvell/mvneta.c
-+++ b/drivers/net/ethernet/marvell/mvneta.c
-@@ -111,6 +111,7 @@
- #define      MVNETA_CPU_RXQ_ACCESS_ALL_MASK      0x000000ff
- #define      MVNETA_CPU_TXQ_ACCESS_ALL_MASK      0x0000ff00
- #define      MVNETA_CPU_RXQ_ACCESS(rxq)		 BIT(rxq)
-+#define      MVNETA_CPU_TXQ_ACCESS(txq)		 BIT(txq + 8)
- #define MVNETA_RXQ_TIME_COAL_REG(q)              (0x2580 + ((q) << 2))
- 
- /* Exception Interrupt Port/Queue Cause register
-@@ -514,6 +515,9 @@ struct mvneta_tx_queue {
- 
- 	/* DMA address of TSO headers */
- 	dma_addr_t tso_hdrs_phys;
-+
-+	/* Affinity mask for CPUs*/
-+	cpumask_t affinity_mask;
- };
- 
- struct mvneta_rx_queue {
-@@ -1062,20 +1066,30 @@ static void mvneta_defaults_set(struct m
- 	/* Enable MBUS Retry bit16 */
- 	mvreg_write(pp, MVNETA_MBUS_RETRY, 0x20);
- 
--	/* Set CPU queue access map. CPUs are assigned to the RX
--	 * queues modulo their number and all the TX queues are
--	 * assigned to the CPU associated to the default RX queue.
-+	/* Set CPU queue access map. CPUs are assigned to the RX and
-+	 * TX queues modulo their number. If there is only one TX
-+	 * queue then it is assigned to the CPU associated to the
-+	 * default RX queue.
- 	 */
- 	for_each_present_cpu(cpu) {
- 		int rxq_map = 0, txq_map = 0;
--		int rxq;
-+		int rxq, txq;
- 
- 		for (rxq = 0; rxq < rxq_number; rxq++)
- 			if ((rxq % max_cpu) == cpu)
- 				rxq_map |= MVNETA_CPU_RXQ_ACCESS(rxq);
- 
--		if (cpu == pp->rxq_def)
--			txq_map = MVNETA_CPU_TXQ_ACCESS_ALL_MASK;
-+		for (txq = 0; txq < txq_number; txq++)
-+			if ((txq % max_cpu) == cpu)
-+				txq_map |= MVNETA_CPU_TXQ_ACCESS(txq);
-+
-+		/* With only one TX queue we configure a special case
-+		 * which will allow to get all the irq on a single
-+		 * CPU
-+		 */
-+		if (txq_number == 1)
-+			txq_map = (cpu == pp->rxq_def) ?
-+				MVNETA_CPU_TXQ_ACCESS(1) : 0;
- 
- 		mvreg_write(pp, MVNETA_CPU_MAP(cpu), rxq_map | txq_map);
- 	}
-@@ -2362,6 +2376,8 @@ static void mvneta_rxq_deinit(struct mvn
- static int mvneta_txq_init(struct mvneta_port *pp,
- 			   struct mvneta_tx_queue *txq)
- {
-+	int cpu;
-+
- 	txq->size = pp->tx_ring_size;
- 
- 	/* A queue must always have room for at least one skb.
-@@ -2414,6 +2430,14 @@ static int mvneta_txq_init(struct mvneta
- 	}
- 	mvneta_tx_done_pkts_coal_set(pp, txq, txq->done_pkts_coal);
- 
-+	/* Setup XPS mapping */
-+	if (txq_number > 1)
-+		cpu = txq->id % num_present_cpus();
-+	else
-+		cpu = pp->rxq_def % num_present_cpus();
-+	cpumask_set_cpu(cpu, &txq->affinity_mask);
-+	netif_set_xps_queue(pp->dev, &txq->affinity_mask, txq->id);
-+
- 	return 0;
- }
- 
-@@ -2836,13 +2860,23 @@ static void mvneta_percpu_elect(struct m
- 			if ((rxq % max_cpu) == cpu)
- 				rxq_map |= MVNETA_CPU_RXQ_ACCESS(rxq);
- 
--		if (i == online_cpu_idx) {
--			/* Map the default receive queue and transmit
--			 * queue to the elected CPU
-+		if (i == online_cpu_idx)
-+			/* Map the default receive queue queue to the
-+			 * elected CPU
- 			 */
- 			rxq_map |= MVNETA_CPU_RXQ_ACCESS(pp->rxq_def);
--			txq_map = MVNETA_CPU_TXQ_ACCESS_ALL_MASK;
--		}
-+
-+		/* We update the TX queue map only if we have one
-+		 * queue. In this case we associate the TX queue to
-+		 * the CPU bound to the default RX queue
-+		 */
-+		if (txq_number == 1)
-+			txq_map = (i == online_cpu_idx) ?
-+				MVNETA_CPU_TXQ_ACCESS(1) : 0;
-+		else
-+			txq_map = mvreg_read(pp, MVNETA_CPU_MAP(cpu)) &
-+				MVNETA_CPU_TXQ_ACCESS_ALL_MASK;
-+
- 		mvreg_write(pp, MVNETA_CPU_MAP(cpu), rxq_map | txq_map);
- 
- 		/* Update the interrupt mask on each CPU according the