We need to actually wait a specific ammount of time, not just hope that
a set number of loops will be long enough.
Based on a conversation with Ralink, and a proposed patch for their
older kernel driver.
Cc: david woo <xinhua_wu@xxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
drivers/staging/rtl8192e/r819xE_firmware.c | 30 ++++++++++++++-------------
1 files changed, 16 insertions(+), 14 deletions(-)
diff --git a/drivers/staging/rtl8192e/r819xE_firmware.c b/drivers/staging/rtl8192e/r819xE_firmware.c
index 72f6792..1f9e413 100644
--- a/drivers/staging/rtl8192e/r819xE_firmware.c
+++ b/drivers/staging/rtl8192e/r819xE_firmware.c
@@ -122,19 +122,19 @@ static bool fw_download_code(struct net_device *dev, u8 *code_virtual_address,
*/
static bool CPUcheck_maincodeok_turnonCPU(struct net_device *dev)
{
+ unsigned long timeout;
bool rt_status = true;
- int check_putcodeOK_time = 200000;
- int check_bootOk_time = 200000;
u32 CPU_status = 0;
/* Check whether put code OK */
- do {
+ timeout = jiffies + msecs_to_jiffies(20);
+ while (time_before(jiffies, timeout)) {
CPU_status = read_nic_dword(dev, CPU_GEN);
if (CPU_status & CPU_GEN_PUT_CODE_OK)
break;
-
- } while (check_putcodeOK_time--);
+ msleep(2);
+ }
if (!(CPU_status & CPU_GEN_PUT_CODE_OK)) {
RT_TRACE(COMP_ERR, "Download Firmware: Put code fail!\n");
@@ -150,12 +150,14 @@ static bool CPUcheck_maincodeok_turnonCPU(struct net_device *dev)
mdelay(1);
/* Check whether CPU boot OK */
- do {
+ timeout = jiffies + msecs_to_jiffies(20);
+ while (time_before(jiffies, timeout)) {
CPU_status = read_nic_dword(dev, CPU_GEN);
if (CPU_status & CPU_GEN_BOOT_RDY)
break;
- } while (check_bootOk_time--);
+ msleep(2);
+ }
if (!(CPU_status & CPU_GEN_BOOT_RDY))
goto CPUCheckMainCodeOKAndTurnOnCPU_Fail;
@@ -172,19 +174,19 @@ CPUCheckMainCodeOKAndTurnOnCPU_Fail:
static bool CPUcheck_firmware_ready(struct net_device *dev)
{
-
- bool rt_status = true;
- int check_time = 200000;
- u32 CPU_status = 0;
+ unsigned long timeout;
+ bool rt_status = true;
+ u32 CPU_status = 0;
/* Check Firmware Ready */
- do {
+ timeout = jiffies + msecs_to_jiffies(20);
+ while (time_before(jiffies, timeout)) {
CPU_status = read_nic_dword(dev, CPU_GEN);
if (CPU_status & CPU_GEN_FIRM_RDY)
break;
-
- } while (check_time--);
+ msleep(2);
+ }
if (!(CPU_status & CPU_GEN_FIRM_RDY))
goto CPUCheckFirmwareReady_Fail;
--
1.6.4.2
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