[PATCH 1/2] pcnet32: factor out pcnet32_clr_suspend()

From: Ondrej Zary
Date: Mon Feb 13 2017 - 17:46:08 EST


Move the code to clear SUSPEND flag to a separate function to simplify
code.

Signed-off-by: Ondrej Zary <linux@xxxxxxxxxxxxxxxxxxxx>
---
drivers/net/ethernet/amd/pcnet32.c | 21 ++++++++++-----------
1 file changed, 10 insertions(+), 11 deletions(-)

diff --git a/drivers/net/ethernet/amd/pcnet32.c b/drivers/net/ethernet/amd/pcnet32.c
index 41e58cc..ade3289 100644
--- a/drivers/net/ethernet/amd/pcnet32.c
+++ b/drivers/net/ethernet/amd/pcnet32.c
@@ -1108,6 +1108,13 @@ static int pcnet32_suspend(struct net_device *dev, unsigned long *flags,
return 1;
}

+static void pcnet32_clr_suspend(struct pcnet32_private *lp, ulong ioaddr)
+{
+ int csr5 = lp->a->read_csr(ioaddr, CSR5);
+ /* clear SUSPEND (SPND) - CSR5 bit 0 */
+ lp->a->write_csr(ioaddr, CSR5, csr5 & ~CSR5_SUSPEND);
+}
+
/*
* process one receive descriptor entry
*/
@@ -1430,13 +1437,8 @@ static void pcnet32_get_regs(struct net_device *dev, struct ethtool_regs *regs,
}
}

- if (!(csr0 & CSR0_STOP)) { /* If not stopped */
- int csr5;
-
- /* clear SUSPEND (SPND) - CSR5 bit 0 */
- csr5 = a->read_csr(ioaddr, CSR5);
- a->write_csr(ioaddr, CSR5, csr5 & (~CSR5_SUSPEND));
- }
+ if (!(csr0 & CSR0_STOP)) /* If not stopped */
+ pcnet32_clr_suspend(lp, ioaddr);

spin_unlock_irqrestore(&lp->lock, flags);
}
@@ -2680,10 +2682,7 @@ static void pcnet32_set_multicast_list(struct net_device *dev)
}

if (suspended) {
- int csr5;
- /* clear SUSPEND (SPND) - CSR5 bit 0 */
- csr5 = lp->a->read_csr(ioaddr, CSR5);
- lp->a->write_csr(ioaddr, CSR5, csr5 & (~CSR5_SUSPEND));
+ pcnet32_clr_suspend(lp, ioaddr);
} else {
lp->a->write_csr(ioaddr, CSR0, CSR0_STOP);
pcnet32_restart(dev, CSR0_NORMAL);
--
Ondrej Zary