From: David Miller <davem@davemloft.net>
To: netdev@vger.kernel.org
Subject: [PATCH 3/42] atm: idt77252: Fix set-but-unused variables.
Date: Sun, 17 Apr 2011 17:32:40 -0700 (PDT) [thread overview]
Message-ID: <20110417.173240.104058805.davem@davemloft.net> (raw)
Two cases here:
1) idt77252_rx_raw() really does not make any use of the
extracted PTI field of the atm header.
2) idt77252_collect_stat() only uses the register values
in code which has been compiled out by a "NOTDEF" cpp
test for more than 10 years. Just kill this NOTDEF
code entirely, but keep the register reads in case
they have side effects.
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/atm/idt77252.c | 52 +++--------------------------------------------
1 files changed, 4 insertions(+), 48 deletions(-)
diff --git a/drivers/atm/idt77252.c b/drivers/atm/idt77252.c
index 048f99f..1f8d724 100644
--- a/drivers/atm/idt77252.c
+++ b/drivers/atm/idt77252.c
@@ -1261,14 +1261,13 @@ idt77252_rx_raw(struct idt77252_dev *card)
PCI_DMA_FROMDEVICE);
while (head != tail) {
- unsigned int vpi, vci, pti;
+ unsigned int vpi, vci;
u32 header;
header = le32_to_cpu(*(u32 *) &queue->data[0]);
vpi = (header & ATM_HDR_VPI_MASK) >> ATM_HDR_VPI_SHIFT;
vci = (header & ATM_HDR_VCI_MASK) >> ATM_HDR_VCI_SHIFT;
- pti = (header & ATM_HDR_PTI_MASK) >> ATM_HDR_PTI_SHIFT;
#ifdef CONFIG_ATM_IDT77252_DEBUG
if (debug & DBG_RAW_CELL) {
@@ -2709,53 +2708,10 @@ idt77252_proc_read(struct atm_dev *dev, loff_t * pos, char *page)
static void
idt77252_collect_stat(struct idt77252_dev *card)
{
- u32 cdc, vpec, icc;
+ (void) readl(SAR_REG_CDC);
+ (void) readl(SAR_REG_VPEC);
+ (void) readl(SAR_REG_ICC);
- cdc = readl(SAR_REG_CDC);
- vpec = readl(SAR_REG_VPEC);
- icc = readl(SAR_REG_ICC);
-
-#ifdef NOTDEF
- printk("%s:", card->name);
-
- if (cdc & 0x7f0000) {
- char *s = "";
-
- printk(" [");
- if (cdc & (1 << 22)) {
- printk("%sRM ID", s);
- s = " | ";
- }
- if (cdc & (1 << 21)) {
- printk("%sCON TAB", s);
- s = " | ";
- }
- if (cdc & (1 << 20)) {
- printk("%sNO FB", s);
- s = " | ";
- }
- if (cdc & (1 << 19)) {
- printk("%sOAM CRC", s);
- s = " | ";
- }
- if (cdc & (1 << 18)) {
- printk("%sRM CRC", s);
- s = " | ";
- }
- if (cdc & (1 << 17)) {
- printk("%sRM FIFO", s);
- s = " | ";
- }
- if (cdc & (1 << 16)) {
- printk("%sRX FIFO", s);
- s = " | ";
- }
- printk("]");
- }
-
- printk(" CDC %04x, VPEC %04x, ICC: %04x\n",
- cdc & 0xffff, vpec & 0xffff, icc & 0xffff);
-#endif
}
static irqreturn_t
--
1.7.4.3
reply other threads:[~2011-04-18 0:33 UTC|newest]
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