diff options
Diffstat (limited to 'src/drivers/spi/spi_flash.c')
| -rw-r--r-- | src/drivers/spi/spi_flash.c | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/src/drivers/spi/spi_flash.c b/src/drivers/spi/spi_flash.c index 33588d5f47..6d92836c13 100644 --- a/src/drivers/spi/spi_flash.c +++ b/src/drivers/spi/spi_flash.c @@ -16,6 +16,7 @@ #include <cpu/x86/smm.h> #endif #include "spi_flash_internal.h" +#include <timer.h> static void spi_flash_addr(u32 addr, u8 *cmd) { @@ -106,27 +107,24 @@ int spi_flash_cmd_poll_bit(struct spi_flash *flash, unsigned long timeout, u8 cmd, u8 poll_bit) { struct spi_slave *spi = flash->spi; - unsigned long timebase; int ret; u8 status; + struct mono_time current, end; + + timer_monotonic_get(¤t); + end = current; + mono_time_add_msecs(&end, timeout); - timebase = timeout; do { ret = spi_flash_cmd_read(spi, &cmd, 1, &status, 1); if (ret) return -1; - if ((status & poll_bit) == 0) - break; - - udelay(500); - } while (timebase--); - - if ((status & poll_bit) == 0) - return 0; + return 0; + timer_monotonic_get(¤t); + } while (!mono_time_after(¤t, &end)); - /* Timed out */ - printk(BIOS_DEBUG, "SF: time out!\n"); + printk(BIOS_DEBUG, "SF: timeout at %ld msec\n",timeout); return -1; } |