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path: root/drivers/net/gianfar_sysfs.c
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Diffstat (limited to 'drivers/net/gianfar_sysfs.c')
-rw-r--r--drivers/net/gianfar_sysfs.c81
1 files changed, 52 insertions, 29 deletions
diff --git a/drivers/net/gianfar_sysfs.c b/drivers/net/gianfar_sysfs.c
index dd26da74f27a..b98c6c512299 100644
--- a/drivers/net/gianfar_sysfs.c
+++ b/drivers/net/gianfar_sysfs.c
@@ -8,8 +8,9 @@
*
* Author: Andy Fleming
* Maintainer: Kumar Gala (galak@kernel.crashing.org)
+ * Modifier: Sandeep Gopalpet <sandeep.kumar@freescale.com>
*
- * Copyright (c) 2002-2005 Freescale Semiconductor, Inc.
+ * Copyright 2002-2009 Freescale Semiconductor, Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@@ -49,6 +50,7 @@ static ssize_t gfar_set_bd_stash(struct device *dev,
const char *buf, size_t count)
{
struct gfar_private *priv = netdev_priv(to_net_dev(dev));
+ struct gfar __iomem *regs = priv->gfargrp[0].regs;
int new_setting = 0;
u32 temp;
unsigned long flags;
@@ -56,30 +58,34 @@ static ssize_t gfar_set_bd_stash(struct device *dev,
if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_BD_STASHING))
return count;
+
/* Find out the new setting */
if (!strncmp("on", buf, count - 1) || !strncmp("1", buf, count - 1))
new_setting = 1;
- else if (!strncmp("off", buf, count - 1)
- || !strncmp("0", buf, count - 1))
+ else if (!strncmp("off", buf, count - 1) ||
+ !strncmp("0", buf, count - 1))
new_setting = 0;
else
return count;
- spin_lock_irqsave(&priv->rxlock, flags);
+
+ local_irq_save(flags);
+ lock_rx_qs(priv);
/* Set the new stashing value */
priv->bd_stash_en = new_setting;
- temp = gfar_read(&priv->regs->attr);
+ temp = gfar_read(&regs->attr);
if (new_setting)
temp |= ATTR_BDSTASH;
else
temp &= ~(ATTR_BDSTASH);
- gfar_write(&priv->regs->attr, temp);
+ gfar_write(&regs->attr, temp);
- spin_unlock_irqrestore(&priv->rxlock, flags);
+ unlock_rx_qs(priv);
+ local_irq_restore(flags);
return count;
}
@@ -99,6 +105,7 @@ static ssize_t gfar_set_rx_stash_size(struct device *dev,
const char *buf, size_t count)
{
struct gfar_private *priv = netdev_priv(to_net_dev(dev));
+ struct gfar __iomem *regs = priv->gfargrp[0].regs;
unsigned int length = simple_strtoul(buf, NULL, 0);
u32 temp;
unsigned long flags;
@@ -106,7 +113,9 @@ static ssize_t gfar_set_rx_stash_size(struct device *dev,
if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_BUF_STASHING))
return count;
- spin_lock_irqsave(&priv->rxlock, flags);
+ local_irq_save(flags);
+ lock_rx_qs(priv);
+
if (length > priv->rx_buffer_size)
goto out;
@@ -115,23 +124,24 @@ static ssize_t gfar_set_rx_stash_size(struct device *dev,
priv->rx_stash_size = length;
- temp = gfar_read(&priv->regs->attreli);
+ temp = gfar_read(&regs->attreli);
temp &= ~ATTRELI_EL_MASK;
temp |= ATTRELI_EL(length);
- gfar_write(&priv->regs->attreli, temp);
+ gfar_write(&regs->attreli, temp);
/* Turn stashing on/off as appropriate */
- temp = gfar_read(&priv->regs->attr);
+ temp = gfar_read(&regs->attr);
if (length)
temp |= ATTR_BUFSTASH;
else
temp &= ~(ATTR_BUFSTASH);
- gfar_write(&priv->regs->attr, temp);
+ gfar_write(&regs->attr, temp);
out:
- spin_unlock_irqrestore(&priv->rxlock, flags);
+ unlock_rx_qs(priv);
+ local_irq_restore(flags);
return count;
}
@@ -154,6 +164,7 @@ static ssize_t gfar_set_rx_stash_index(struct device *dev,
const char *buf, size_t count)
{
struct gfar_private *priv = netdev_priv(to_net_dev(dev));
+ struct gfar __iomem *regs = priv->gfargrp[0].regs;
unsigned short index = simple_strtoul(buf, NULL, 0);
u32 temp;
unsigned long flags;
@@ -161,7 +172,9 @@ static ssize_t gfar_set_rx_stash_index(struct device *dev,
if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_BUF_STASHING))
return count;
- spin_lock_irqsave(&priv->rxlock, flags);
+ local_irq_save(flags);
+ lock_rx_qs(priv);
+
if (index > priv->rx_stash_size)
goto out;
@@ -170,13 +183,14 @@ static ssize_t gfar_set_rx_stash_index(struct device *dev,
priv->rx_stash_index = index;
- temp = gfar_read(&priv->regs->attreli);
+ temp = gfar_read(&regs->attreli);
temp &= ~ATTRELI_EI_MASK;
temp |= ATTRELI_EI(index);
- gfar_write(&priv->regs->attreli, flags);
+ gfar_write(&regs->attreli, temp);
out:
- spin_unlock_irqrestore(&priv->rxlock, flags);
+ unlock_rx_qs(priv);
+ local_irq_restore(flags);
return count;
}
@@ -198,6 +212,7 @@ static ssize_t gfar_set_fifo_threshold(struct device *dev,
const char *buf, size_t count)
{
struct gfar_private *priv = netdev_priv(to_net_dev(dev));
+ struct gfar __iomem *regs = priv->gfargrp[0].regs;
unsigned int length = simple_strtoul(buf, NULL, 0);
u32 temp;
unsigned long flags;
@@ -205,16 +220,18 @@ static ssize_t gfar_set_fifo_threshold(struct device *dev,
if (length > GFAR_MAX_FIFO_THRESHOLD)
return count;
- spin_lock_irqsave(&priv->txlock, flags);
+ local_irq_save(flags);
+ lock_tx_qs(priv);
priv->fifo_threshold = length;
- temp = gfar_read(&priv->regs->fifo_tx_thr);
+ temp = gfar_read(&regs->fifo_tx_thr);
temp &= ~FIFO_TX_THR_MASK;
temp |= length;
- gfar_write(&priv->regs->fifo_tx_thr, temp);
+ gfar_write(&regs->fifo_tx_thr, temp);
- spin_unlock_irqrestore(&priv->txlock, flags);
+ unlock_tx_qs(priv);
+ local_irq_restore(flags);
return count;
}
@@ -235,6 +252,7 @@ static ssize_t gfar_set_fifo_starve(struct device *dev,
const char *buf, size_t count)
{
struct gfar_private *priv = netdev_priv(to_net_dev(dev));
+ struct gfar __iomem *regs = priv->gfargrp[0].regs;
unsigned int num = simple_strtoul(buf, NULL, 0);
u32 temp;
unsigned long flags;
@@ -242,16 +260,18 @@ static ssize_t gfar_set_fifo_starve(struct device *dev,
if (num > GFAR_MAX_FIFO_STARVE)
return count;
- spin_lock_irqsave(&priv->txlock, flags);
+ local_irq_save(flags);
+ lock_tx_qs(priv);
priv->fifo_starve = num;
- temp = gfar_read(&priv->regs->fifo_tx_starve);
+ temp = gfar_read(&regs->fifo_tx_starve);
temp &= ~FIFO_TX_STARVE_MASK;
temp |= num;
- gfar_write(&priv->regs->fifo_tx_starve, temp);
+ gfar_write(&regs->fifo_tx_starve, temp);
- spin_unlock_irqrestore(&priv->txlock, flags);
+ unlock_tx_qs(priv);
+ local_irq_restore(flags);
return count;
}
@@ -273,6 +293,7 @@ static ssize_t gfar_set_fifo_starve_off(struct device *dev,
const char *buf, size_t count)
{
struct gfar_private *priv = netdev_priv(to_net_dev(dev));
+ struct gfar __iomem *regs = priv->gfargrp[0].regs;
unsigned int num = simple_strtoul(buf, NULL, 0);
u32 temp;
unsigned long flags;
@@ -280,16 +301,18 @@ static ssize_t gfar_set_fifo_starve_off(struct device *dev,
if (num > GFAR_MAX_FIFO_STARVE_OFF)
return count;
- spin_lock_irqsave(&priv->txlock, flags);
+ local_irq_save(flags);
+ lock_tx_qs(priv);
priv->fifo_starve_off = num;
- temp = gfar_read(&priv->regs->fifo_tx_starve_shutoff);
+ temp = gfar_read(&regs->fifo_tx_starve_shutoff);
temp &= ~FIFO_TX_STARVE_OFF_MASK;
temp |= num;
- gfar_write(&priv->regs->fifo_tx_starve_shutoff, temp);
+ gfar_write(&regs->fifo_tx_starve_shutoff, temp);
- spin_unlock_irqrestore(&priv->txlock, flags);
+ unlock_tx_qs(priv);
+ local_irq_restore(flags);
return count;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.