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path: root/drivers/net/ethernet/chelsio/cxgb/pm3393.c
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Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb/pm3393.c')
-rw-r--r--drivers/net/ethernet/chelsio/cxgb/pm3393.c36
1 files changed, 10 insertions, 26 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb/pm3393.c b/drivers/net/ethernet/chelsio/cxgb/pm3393.c
index 40c7b93ababc..f3ada6e7cdc5 100644
--- a/drivers/net/ethernet/chelsio/cxgb/pm3393.c
+++ b/drivers/net/ethernet/chelsio/cxgb/pm3393.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*****************************************************************************
* *
* File: pm3393.c *
@@ -7,17 +8,6 @@
* PMC/SIERRA (pm3393) MAC-PHY functionality. *
* part of the Chelsio 10Gb Ethernet Driver. *
* *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License, version 2, as *
- * published by the Free Software Foundation. *
- * *
- * You should have received a copy of the GNU General Public License along *
- * with this program; if not, write to the Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
- * *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED *
- * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF *
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. *
* *
* http://www.chelsio.com *
* *
@@ -48,9 +38,6 @@
#define OFFSET(REG_ADDR) ((REG_ADDR) << 2)
-/* Max frame size PM3393 can handle. Includes Ethernet header and CRC. */
-#define MAX_FRAME_SIZE 9600
-
#define IPG 12
#define TXXG_CONF1_VAL ((IPG << SUNI1x10GEXP_BITOFF_TXXG_IPGT) | \
SUNI1x10GEXP_BITMSK_TXXG_32BIT_ALIGN | SUNI1x10GEXP_BITMSK_TXXG_CRCEN | \
@@ -154,7 +141,7 @@ static int pm3393_interrupt_enable(struct cmac *cmac)
pmwrite(cmac, SUNI1x10GEXP_REG_GLOBAL_INTERRUPT_ENABLE,
0 /*SUNI1x10GEXP_BITMSK_TOP_INTE */ );
- /* TERMINATOR - PL_INTERUPTS_EXT */
+ /* TERMINATOR - PL_INTERRUPTS_EXT */
pl_intr = readl(cmac->adapter->regs + A_PL_ENABLE);
pl_intr |= F_PL_INTR_EXT;
writel(pl_intr, cmac->adapter->regs + A_PL_ENABLE);
@@ -192,7 +179,7 @@ static int pm3393_interrupt_disable(struct cmac *cmac)
elmer &= ~ELMER0_GP_BIT1;
t1_tpi_write(cmac->adapter, A_ELMER0_INT_ENABLE, elmer);
- /* TERMINATOR - PL_INTERUPTS_EXT */
+ /* TERMINATOR - PL_INTERRUPTS_EXT */
/* DO NOT DISABLE TERMINATOR's EXTERNAL INTERRUPTS. ANOTHER CHIP
* COULD WANT THEM ENABLED. We disable PM3393 at the ELMER level.
*/
@@ -235,7 +222,7 @@ static int pm3393_interrupt_clear(struct cmac *cmac)
elmer |= ELMER0_GP_BIT1;
t1_tpi_write(cmac->adapter, A_ELMER0_INT_CAUSE, elmer);
- /* TERMINATOR - PL_INTERUPTS_EXT
+ /* TERMINATOR - PL_INTERRUPTS_EXT
*/
pl_intr = readl(cmac->adapter->regs + A_PL_CAUSE);
pl_intr |= F_PL_INTR_EXT;
@@ -332,10 +319,7 @@ static int pm3393_set_mtu(struct cmac *cmac, int mtu)
{
int enabled = cmac->instance->enabled;
- /* MAX_FRAME_SIZE includes header + FCS, mtu doesn't */
- mtu += 14 + 4;
- if (mtu > MAX_FRAME_SIZE)
- return -EINVAL;
+ mtu += ETH_HLEN + ETH_FCS_LEN;
/* Disable Rx/Tx MAC before configuring it. */
if (enabled)
@@ -499,11 +483,11 @@ static const struct cmac_statistics *pm3393_update_statistics(struct cmac *mac,
static int pm3393_macaddress_get(struct cmac *cmac, u8 mac_addr[6])
{
- memcpy(mac_addr, cmac->instance->mac_addr, 6);
+ memcpy(mac_addr, cmac->instance->mac_addr, ETH_ALEN);
return 0;
}
-static int pm3393_macaddress_set(struct cmac *cmac, u8 ma[6])
+static int pm3393_macaddress_set(struct cmac *cmac, const u8 ma[6])
{
u32 val, lo, mid, hi, enabled = cmac->instance->enabled;
@@ -526,7 +510,7 @@ static int pm3393_macaddress_set(struct cmac *cmac, u8 ma[6])
*/
/* Store local copy */
- memcpy(cmac->instance->mac_addr, ma, 6);
+ memcpy(cmac->instance->mac_addr, ma, ETH_ALEN);
lo = ((u32) ma[1] << 8) | (u32) ma[0];
mid = ((u32) ma[3] << 8) | (u32) ma[2];
@@ -571,7 +555,7 @@ static void pm3393_destroy(struct cmac *cmac)
kfree(cmac);
}
-static struct cmac_ops pm3393_ops = {
+static const struct cmac_ops pm3393_ops = {
.destroy = pm3393_destroy,
.reset = pm3393_reset,
.interrupt_enable = pm3393_interrupt_enable,
@@ -772,7 +756,7 @@ static int pm3393_mac_reset(adapter_t * adapter)
/* ??? If this fails, might be able to software reset the XAUI part
* and try to recover... thus saving us from doing another HW reset */
- /* Has the XAUI MABC PLL circuitry stablized? */
+ /* Has the XAUI MABC PLL circuitry stabilized? */
is_xaui_mabc_pll_locked =
(val & SUNI1x10GEXP_BITMSK_TOP_SXRA_EXPIRED);