diff options
author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-12-09 17:14:38 +1100 |
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committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-12-09 17:14:38 +1100 |
commit | bcd6acd51f3d4d1ada201e9bc5c40a31d6d80c71 (patch) | |
tree | 2f6dffd2d3e4dd67355a224de7e7a960335a92fd /drivers/net/gianfar_sysfs.c | |
parent | 11c34c7deaeeebcee342cbc35e1bb2a6711b2431 (diff) | |
parent | 3ff6a468b45b5dfeb0e903e56f4eb27d34b2437c (diff) |
Merge commit 'origin/master' into next
Conflicts:
include/linux/kvm.h
Diffstat (limited to 'drivers/net/gianfar_sysfs.c')
-rw-r--r-- | drivers/net/gianfar_sysfs.c | 81 |
1 files changed, 52 insertions, 29 deletions
diff --git a/drivers/net/gianfar_sysfs.c b/drivers/net/gianfar_sysfs.c index dd26da74f27..b98c6c51229 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(®s->attr); if (new_setting) temp |= ATTR_BDSTASH; else temp &= ~(ATTR_BDSTASH); - gfar_write(&priv->regs->attr, temp); + gfar_write(®s->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(®s->attreli); temp &= ~ATTRELI_EL_MASK; temp |= ATTRELI_EL(length); - gfar_write(&priv->regs->attreli, temp); + gfar_write(®s->attreli, temp); /* Turn stashing on/off as appropriate */ - temp = gfar_read(&priv->regs->attr); + temp = gfar_read(®s->attr); if (length) temp |= ATTR_BUFSTASH; else temp &= ~(ATTR_BUFSTASH); - gfar_write(&priv->regs->attr, temp); + gfar_write(®s->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(®s->attreli); temp &= ~ATTRELI_EI_MASK; temp |= ATTRELI_EI(index); - gfar_write(&priv->regs->attreli, flags); + gfar_write(®s->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(®s->fifo_tx_thr); temp &= ~FIFO_TX_THR_MASK; temp |= length; - gfar_write(&priv->regs->fifo_tx_thr, temp); + gfar_write(®s->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(®s->fifo_tx_starve); temp &= ~FIFO_TX_STARVE_MASK; temp |= num; - gfar_write(&priv->regs->fifo_tx_starve, temp); + gfar_write(®s->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(®s->fifo_tx_starve_shutoff); temp &= ~FIFO_TX_STARVE_OFF_MASK; temp |= num; - gfar_write(&priv->regs->fifo_tx_starve_shutoff, temp); + gfar_write(®s->fifo_tx_starve_shutoff, temp); - spin_unlock_irqrestore(&priv->txlock, flags); + unlock_tx_qs(priv); + local_irq_restore(flags); return count; } |