提交 e6280f26 编写于 作者: M Malli Chilakala 提交者: Jeff Garzik

[PATCH] e100: Increased delay loop for command blocks

Increased delay loop for command blocks
Signed-off-by: NMallikarjuna R Chilakala <mallikarjuna.chilakala@intel.com>
Signed-off-by: NGanesh Venkatesan <ganesh.venkatesan@intel.com>
Signed-off-by: NJohn Ronciak <john.ronciak@intel.com>
Signed-off-by: NJeff Garzik <jgarzik@pobox.com>
上级 996ec353
...@@ -785,6 +785,7 @@ static int e100_eeprom_save(struct nic *nic, u16 start, u16 count) ...@@ -785,6 +785,7 @@ static int e100_eeprom_save(struct nic *nic, u16 start, u16 count)
} }
#define E100_WAIT_SCB_TIMEOUT 20000 /* we might have to wait 100ms!!! */ #define E100_WAIT_SCB_TIMEOUT 20000 /* we might have to wait 100ms!!! */
#define E100_WAIT_SCB_FAST 20 /* delay like the old code */
static inline int e100_exec_cmd(struct nic *nic, u8 cmd, dma_addr_t dma_addr) static inline int e100_exec_cmd(struct nic *nic, u8 cmd, dma_addr_t dma_addr)
{ {
unsigned long flags; unsigned long flags;
...@@ -798,7 +799,7 @@ static inline int e100_exec_cmd(struct nic *nic, u8 cmd, dma_addr_t dma_addr) ...@@ -798,7 +799,7 @@ static inline int e100_exec_cmd(struct nic *nic, u8 cmd, dma_addr_t dma_addr)
if(likely(!readb(&nic->csr->scb.cmd_lo))) if(likely(!readb(&nic->csr->scb.cmd_lo)))
break; break;
cpu_relax(); cpu_relax();
if(unlikely(i > (E100_WAIT_SCB_TIMEOUT >> 1))) if(unlikely(i > E100_WAIT_SCB_FAST))
udelay(5); udelay(5);
} }
if(unlikely(i == E100_WAIT_SCB_TIMEOUT)) { if(unlikely(i == E100_WAIT_SCB_TIMEOUT)) {
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册