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mtip32xx: Set custom timeouts for PIO commands 

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>
This commit is contained in:
Asai Thambi S P 2012-05-29 18:41:23 -07:00 committed by Jens Axboe
parent 6bb688c048
commit 2df7aa96e7
1 changed files with 28 additions and 27 deletions
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55
drivers/block/mtip32xx/mtip32xx.c
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@ -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)