diff options
author | Jacob Keller <jacob.e.keller@intel.com> | 2016-06-18 02:21:11 +0300 |
---|---|---|
committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2016-08-29 11:31:03 +0300 |
commit | ce4dad2ce231aa5258ddfc98f8a80d958643c014 (patch) | |
tree | b612b5a1116f98bfb9f115c64d83361a8904e05f | |
parent | 88cdcfec9a46af47291207d86493e919093df3d1 (diff) | |
download | linux-ce4dad2ce231aa5258ddfc98f8a80d958643c014.tar.xz |
fm10k: prefer READ_ONCE instead of ACCESS_ONCE
While technically not needed, as all our uses of ACCESS_ONCE are scalar
types, we already use READ_ONCE in a few places, and for code
readability we can swap all the uses of the older ACCESS_ONCE into
READ_ONCE.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Krishneil Singh <Krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
-rw-r--r-- | drivers/net/ethernet/intel/fm10k/fm10k_common.h | 4 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/fm10k/fm10k_iov.c | 4 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/fm10k/fm10k_main.c | 2 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/fm10k/fm10k_netdev.c | 6 | ||||
-rw-r--r-- | drivers/net/ethernet/intel/fm10k/fm10k_pci.c | 2 |
5 files changed, 9 insertions, 9 deletions
diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_common.h b/drivers/net/ethernet/intel/fm10k/fm10k_common.h index 50f71e997448..d51f9c7a47ff 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_common.h +++ b/drivers/net/ethernet/intel/fm10k/fm10k_common.h @@ -34,7 +34,7 @@ u32 fm10k_read_reg(struct fm10k_hw *hw, int reg); /* write operations, indexed using DWORDS */ #define fm10k_write_reg(hw, reg, val) \ do { \ - u32 __iomem *hw_addr = ACCESS_ONCE((hw)->hw_addr); \ + u32 __iomem *hw_addr = READ_ONCE((hw)->hw_addr); \ if (!FM10K_REMOVED(hw_addr)) \ writel((val), &hw_addr[(reg)]); \ } while (0) @@ -42,7 +42,7 @@ do { \ /* Switch register write operations, index using DWORDS */ #define fm10k_write_sw_reg(hw, reg, val) \ do { \ - u32 __iomem *sw_addr = ACCESS_ONCE((hw)->sw_addr); \ + u32 __iomem *sw_addr = READ_ONCE((hw)->sw_addr); \ if (!FM10K_REMOVED(sw_addr)) \ writel((val), &sw_addr[(reg)]); \ } while (0) diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_iov.c b/drivers/net/ethernet/intel/fm10k/fm10k_iov.c index 47f0743ec03b..d9dec81f6b6d 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_iov.c +++ b/drivers/net/ethernet/intel/fm10k/fm10k_iov.c @@ -51,7 +51,7 @@ s32 fm10k_iov_event(struct fm10k_intfc *interface) int i; /* if there is no iov_data then there is no mailbox to process */ - if (!ACCESS_ONCE(interface->iov_data)) + if (!READ_ONCE(interface->iov_data)) return 0; rcu_read_lock(); @@ -99,7 +99,7 @@ s32 fm10k_iov_mbx(struct fm10k_intfc *interface) int i; /* if there is no iov_data then there is no mailbox to process */ - if (!ACCESS_ONCE(interface->iov_data)) + if (!READ_ONCE(interface->iov_data)) return 0; rcu_read_lock(); diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_main.c b/drivers/net/ethernet/intel/fm10k/fm10k_main.c index 316f95b2b600..4b65364fb322 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_main.c +++ b/drivers/net/ethernet/intel/fm10k/fm10k_main.c @@ -1408,7 +1408,7 @@ static void fm10k_update_itr(struct fm10k_ring_container *ring_container) * that the calculation will never get below a 1. The bit shift * accounts for changes in the ITR due to PCIe link speed. */ - itr_round = ACCESS_ONCE(ring_container->itr_scale) + 8; + itr_round = READ_ONCE(ring_container->itr_scale) + 8; avg_wire_size += BIT(itr_round) - 1; avg_wire_size >>= itr_round; diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c b/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c index 20a5bbe3f536..855833e85aac 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c +++ b/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c @@ -1098,7 +1098,7 @@ static struct rtnl_link_stats64 *fm10k_get_stats64(struct net_device *netdev, rcu_read_lock(); for (i = 0; i < interface->num_rx_queues; i++) { - ring = ACCESS_ONCE(interface->rx_ring[i]); + ring = READ_ONCE(interface->rx_ring[i]); if (!ring) continue; @@ -1114,7 +1114,7 @@ static struct rtnl_link_stats64 *fm10k_get_stats64(struct net_device *netdev, } for (i = 0; i < interface->num_tx_queues; i++) { - ring = ACCESS_ONCE(interface->tx_ring[i]); + ring = READ_ONCE(interface->tx_ring[i]); if (!ring) continue; @@ -1299,7 +1299,7 @@ static void *fm10k_dfwd_add_station(struct net_device *dev, static void fm10k_dfwd_del_station(struct net_device *dev, void *priv) { struct fm10k_intfc *interface = netdev_priv(dev); - struct fm10k_l2_accel *l2_accel = ACCESS_ONCE(interface->l2_accel); + struct fm10k_l2_accel *l2_accel = READ_ONCE(interface->l2_accel); struct fm10k_dglort_cfg dglort = { 0 }; struct fm10k_hw *hw = &interface->hw; struct net_device *sdev = priv; diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_pci.c b/drivers/net/ethernet/intel/fm10k/fm10k_pci.c index 20c2a0cf83da..11b29552f664 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_pci.c +++ b/drivers/net/ethernet/intel/fm10k/fm10k_pci.c @@ -62,7 +62,7 @@ u16 fm10k_read_pci_cfg_word(struct fm10k_hw *hw, u32 reg) u32 fm10k_read_reg(struct fm10k_hw *hw, int reg) { - u32 __iomem *hw_addr = ACCESS_ONCE(hw->hw_addr); + u32 __iomem *hw_addr = READ_ONCE(hw->hw_addr); u32 value = 0; if (FM10K_REMOVED(hw_addr)) |