mtip32xx: Set custom timeouts for PIO commands
authorAsai Thambi S P <asamymuthupa@micron.com>
Wed, 30 May 2012 01:41:23 +0000 (18:41 -0700)
committerJens Axboe <axboe@kernel.dk>
Thu, 31 May 2012 06:36:55 +0000 (08:36 +0200)
This change sets custom timeouts depending on PIO command.

Signed-off-by: Asai Thambi S P <asamymuthupa@micron.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
drivers/block/mtip32xx/mtip32xx.c

index 0809e259b223826ff0c08876ca207109a57579b4..4b057a7312d7f5be62c13dd123c64dcf0061dacb 100644 (file)
@@ -2002,6 +2002,32 @@ static unsigned int implicit_sector(unsigned char command,
        return rv;
 }
 
+static void mtip_set_timeout(struct host_to_dev_fis *fis, unsigned int *timeout)
+{
+       switch (fis->command) {
+       case ATA_CMD_DOWNLOAD_MICRO:
+               *timeout = 120000; /* 2 minutes */
+               break;
+       case ATA_CMD_SEC_ERASE_UNIT:
+       case 0xFC:
+               *timeout = 240000; /* 4 minutes */
+               break;
+       case ATA_CMD_STANDBYNOW1:
+               *timeout = 10000;  /* 10 seconds */
+               break;
+       case 0xF7:
+       case 0xFA:
+               *timeout = 60000;  /* 60 seconds */
+               break;
+       case ATA_CMD_SMART:
+               *timeout = 15000;  /* 15 seconds */
+               break;
+       default:
+               *timeout = MTIP_IOCTL_COMMAND_TIMEOUT_MS;
+               break;
+       }
+}
+
 /*
  * Executes a taskfile
  * See ide_taskfile_ioctl() for derivation
@@ -2022,7 +2048,7 @@ static int exec_drive_taskfile(struct driver_data *dd,
        unsigned int taskin = 0;
        unsigned int taskout = 0;
        u8 nsect = 0;
-       unsigned int timeout = MTIP_IOCTL_COMMAND_TIMEOUT_MS;
+       unsigned int timeout;
        unsigned int force_single_sector;
        unsigned int transfer_size;
        unsigned long task_file_data;
@@ -2152,32 +2178,7 @@ static int exec_drive_taskfile(struct driver_data *dd,
                fis.lba_hi,
                fis.device);
 
-       switch (fis.command) {
-       case ATA_CMD_DOWNLOAD_MICRO:
-               /* Change timeout for Download Microcode to 2 minutes */
-               timeout = 120000;
-               break;
-       case ATA_CMD_SEC_ERASE_UNIT:
-               /* Change timeout for Security Erase Unit to 4 minutes.*/
-               timeout = 240000;
-               break;
-       case ATA_CMD_STANDBYNOW1:
-               /* Change timeout for standby immediate to 10 seconds.*/
-               timeout = 10000;
-               break;
-       case 0xF7:
-       case 0xFA:
-               /* Change timeout for vendor unique command to 10 secs */
-               timeout = 10000;
-               break;
-       case ATA_CMD_SMART:
-               /* Change timeout for vendor unique command to 15 secs */
-               timeout = 15000;
-               break;
-       default:
-               timeout = MTIP_IOCTL_COMMAND_TIMEOUT_MS;
-               break;
-       }
+       mtip_set_timeout(&fis, &timeout);
 
        /* Determine the correct transfer size.*/
        if (force_single_sector)