From 22d3efe5f62e048eb2c85b9ef24e3b7af545a458 Mon Sep 17 00:00:00 2001
From: Pavel Machek <pavel@ucw.cz>
Date: Mon, 28 Nov 2016 12:55:59 +0100
Subject: [PATCH] stmmac: fix comments, make debug output consistent
Fix comments, add some new, and make debugfs output consistent.
Signed-off-by: Pavel Machek <pavel@denx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/stmicro/stmmac/common.h | 1 +
.../net/ethernet/stmicro/stmmac/stmmac_main.c | 16 +++++++++-------
2 files changed, 10 insertions(+), 7 deletions(-)
diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h
index 6d2de4e01f6d0..5bd4c0549a73b 100644
--- a/drivers/net/ethernet/stmicro/stmmac/common.h
+++ b/drivers/net/ethernet/stmicro/stmmac/common.h
@@ -44,6 +44,7 @@
#define DWMAC_CORE_4_00 0x40
#define STMMAC_CHAN0 0 /* Always supported and default for all chips */
+/* These need to be power of two, and >= 4 */
#define DMA_TX_SIZE 512
#define DMA_RX_SIZE 512
#define STMMAC_GET_ENTRY(x, size) ((x + 1) & (size - 1))
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 29557d27e9911..48a4e841956b0 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -105,8 +105,8 @@ module_param(eee_timer, int, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(eee_timer, "LPI tx expiration time in msec");
#define STMMAC_LPI_T(x) (jiffies + msecs_to_jiffies(x))
-/* By default the driver will use the ring mode to manage tx and rx descriptors
- * but passing this value so user can force to use the chain instead of the ring
+/* By default the driver will use the ring mode to manage tx and rx descriptors,
+ * but allow user to force to use the chain instead of the ring
*/
static unsigned int chain_mode;
module_param(chain_mode, int, S_IRUGO);
@@ -2960,6 +2960,8 @@ static int stmmac_sysfs_ring_open(struct inode *inode, struct file *file)
return single_open(file, stmmac_sysfs_ring_read, inode->i_private);
}
+/* Debugfs files, should appear in /sys/kernel/debug/stmmaceth/eth0 */
+
static const struct file_operations stmmac_rings_status_fops = {
.owner = THIS_MODULE,
.open = stmmac_sysfs_ring_open,
@@ -2982,11 +2984,11 @@ static int stmmac_sysfs_dma_cap_read(struct seq_file *seq, void *v)
seq_printf(seq, "\tDMA HW features\n");
seq_printf(seq, "==============================\n");
- seq_printf(seq, "\t10/100 Mbps %s\n",
+ seq_printf(seq, "\t10/100 Mbps: %s\n",
(priv->dma_cap.mbps_10_100) ? "Y" : "N");
- seq_printf(seq, "\t1000 Mbps %s\n",
+ seq_printf(seq, "\t1000 Mbps: %s\n",
(priv->dma_cap.mbps_1000) ? "Y" : "N");
- seq_printf(seq, "\tHalf duple %s\n",
+ seq_printf(seq, "\tHalf duplex: %s\n",
(priv->dma_cap.half_duplex) ? "Y" : "N");
seq_printf(seq, "\tHash Filter: %s\n",
(priv->dma_cap.hash_filter) ? "Y" : "N");
@@ -3004,9 +3006,9 @@ static int stmmac_sysfs_dma_cap_read(struct seq_file *seq, void *v)
(priv->dma_cap.rmon) ? "Y" : "N");
seq_printf(seq, "\tIEEE 1588-2002 Time Stamp: %s\n",
(priv->dma_cap.time_stamp) ? "Y" : "N");
- seq_printf(seq, "\tIEEE 1588-2008 Advanced Time Stamp:%s\n",
+ seq_printf(seq, "\tIEEE 1588-2008 Advanced Time Stamp: %s\n",
(priv->dma_cap.atime_stamp) ? "Y" : "N");
- seq_printf(seq, "\t802.3az - Energy-Efficient Ethernet (EEE) %s\n",
+ seq_printf(seq, "\t802.3az - Energy-Efficient Ethernet (EEE): %s\n",
(priv->dma_cap.eee) ? "Y" : "N");
seq_printf(seq, "\tAV features: %s\n", (priv->dma_cap.av) ? "Y" : "N");
seq_printf(seq, "\tChecksum Offload in TX: %s\n",
--
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