mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-22 15:02:32 +00:00
cddd459140
Add patches for linux-5.4. The patches are from NXP LSDK-20.04 release which was tagged LSDK-20.04-V5.4. https://source.codeaurora.org/external/qoriq/qoriq-components/linux/ For boards LS1021A-IOT, and Traverse-LS1043 which are not involved in LSDK, port the dts patches from 4.14. The patches are sorted into the following categories: 301-arch-xxxx 302-dts-xxxx 303-core-xxxx 701-net-xxxx 801-audio-xxxx 802-can-xxxx 803-clock-xxxx 804-crypto-xxxx 805-display-xxxx 806-dma-xxxx 807-gpio-xxxx 808-i2c-xxxx 809-jailhouse-xxxx 810-keys-xxxx 811-kvm-xxxx 812-pcie-xxxx 813-pm-xxxx 814-qe-xxxx 815-sata-xxxx 816-sdhc-xxxx 817-spi-xxxx 818-thermal-xxxx 819-uart-xxxx 820-usb-xxxx 821-vfio-xxxx Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
58 lines
2.2 KiB
Diff
58 lines
2.2 KiB
Diff
From 29757ae2e4a0e8e1e816c9eeef59121908320669 Mon Sep 17 00:00:00 2001
|
|
From: Camelia Groza <camelia.groza@nxp.com>
|
|
Date: Wed, 20 Jun 2018 18:00:42 +0300
|
|
Subject: [PATCH] sdk_dpaa: reserve 256 bytes for the SGT on TX
|
|
|
|
The FMan reads 256 bytes from the start of the SGT regardless of its
|
|
size. We reserve the same amount of memory on TX to access.
|
|
|
|
Signed-off-by: Camelia Groza <camelia.groza@nxp.com>
|
|
---
|
|
drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_common.h | 6 ++++--
|
|
drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_sg.c | 10 +++++++---
|
|
2 files changed, 11 insertions(+), 5 deletions(-)
|
|
|
|
--- a/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_common.h
|
|
+++ b/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_common.h
|
|
@@ -55,10 +55,12 @@
|
|
fm_set_##type##_port_params(port, ¶m); \
|
|
}
|
|
|
|
+/* The SGT needs to be 256 bytes long. Even if the table has only one entry,
|
|
+ * the FMan will read 256 bytes from its start.
|
|
+ */
|
|
+#define DPA_SGT_SIZE 256
|
|
#define DPA_SGT_MAX_ENTRIES 16 /* maximum number of entries in SG Table */
|
|
|
|
-#define DPA_SGT_ENTRIES_THRESHOLD DPA_SGT_MAX_ENTRIES
|
|
-
|
|
#define DPA_BUFF_RELEASE_MAX 8 /* maximum number of buffers released at once */
|
|
|
|
#define DPA_RX_PCD_HI_PRIO_FQ_INIT_FAIL(dpa_fq, _errno) \
|
|
--- a/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_sg.c
|
|
+++ b/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_sg.c
|
|
@@ -246,8 +246,8 @@ struct sk_buff *_dpa_cleanup_tx_fd(const
|
|
|
|
if (unlikely(fd->format == qm_fd_sg)) {
|
|
nr_frags = skb_shinfo(skb)->nr_frags;
|
|
- dma_unmap_single(dpa_bp->dev, addr, dpa_fd_offset(fd) +
|
|
- sizeof(struct qm_sg_entry) * (1 + nr_frags),
|
|
+ dma_unmap_single(dpa_bp->dev, addr,
|
|
+ dpa_fd_offset(fd) + DPA_SGT_SIZE,
|
|
dma_dir);
|
|
|
|
/* The sgt buffer has been allocated with netdev_alloc_frag(),
|
|
@@ -896,7 +896,11 @@ int __hot skb_to_sg_fd(struct dpa_priv_s
|
|
nr_frags = skb_shinfo(skb)->nr_frags;
|
|
fd->format = qm_fd_sg;
|
|
|
|
- sgt_size = sizeof(struct qm_sg_entry) * (1 + nr_frags);
|
|
+ /* The FMan reads 256 bytes from the start of the SGT regardless of
|
|
+ * its size. In accordance, we reserve the same amount of memory as
|
|
+ * well.
|
|
+ */
|
|
+ sgt_size = DPA_SGT_SIZE;
|
|
|
|
/* Get a page frag to store the SGTable, or a full page if the errata
|
|
* is in place and we need to avoid crossing a 4k boundary.
|