diff options
| -rw-r--r-- | drivers/block/ahci.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/block/ahci.c b/drivers/block/ahci.c index a05d9cf..719574f 100644 --- a/drivers/block/ahci.c +++ b/drivers/block/ahci.c @@ -52,6 +52,10 @@ hd_driveid_t *ataid[AHCI_MAX_PORTS]; #define MAX_SATA_BLOCKS_READ_WRITE 0x80 #endif +/* Maximum timeouts for each event */ +#define WAIT_MS_DATAIO 5000 +#define WAIT_MS_LINKUP 4 + static inline u32 ahci_port_base(u32 base, u32 port) { return base + 0x100 + (port * 0x80); @@ -201,14 +205,14 @@ static int ahci_host_init(struct ahci_probe_ent *probe_ent) writel(PORT_CMD_SPIN_UP, port_mmio + PORT_CMD); j = 0; - while (j < 1000) { + while (j < WAIT_MS_LINKUP) { tmp = readl(port_mmio + PORT_SCR_STAT); if ((tmp & 0xf) == 0x3) break; udelay(1000); j++; } - if (j == 1000) + if (j == WAIT_MS_LINKUP) debug("timeout.\n"); else debug("ok.\n"); @@ -429,7 +433,8 @@ static void ahci_set_feature(u8 port) writel(1, port_mmio + PORT_CMD_ISSUE); readl(port_mmio + PORT_CMD_ISSUE); - if (waiting_for_cmd_completed(port_mmio + PORT_CMD_ISSUE, 150, 0x1)) { + if (waiting_for_cmd_completed(port_mmio + PORT_CMD_ISSUE, + WAIT_MS_DATAIO, 0x1)) { printf("set feature error on port %d!\n", port); } } @@ -535,7 +540,8 @@ static int ahci_device_data_io(u8 port, u8 *fis, int fis_len, u8 *buf, writel_with_flush(1, port_mmio + PORT_CMD_ISSUE); - if (waiting_for_cmd_completed(port_mmio + PORT_CMD_ISSUE, 150, 0x1)) { + if (waiting_for_cmd_completed(port_mmio + PORT_CMD_ISSUE, + WAIT_MS_DATAIO, 0x1)) { printf("timeout exit!\n"); return -1; } |