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authorAsai Thambi S P <asamymuthupa@micron.com>2012-05-29 18:41:23 -0700
committerJens Axboe <axboe@kernel.dk>2012-05-31 08:36:55 +0200
commit2df7aa96e75c4447e8bae0fd03b8c386c36ece40 (patch)
tree29499c7a0884e6ff7a18b30c027c1762af742120 /drivers
parent6bb688c048c9625030fc911dc93d49bcd15feb1f (diff)
downloadlinux-2df7aa96e75c4447e8bae0fd03b8c386c36ece40.tar.gz
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/block/mtip32xx/mtip32xx.c55
1 files changed, 28 insertions, 27 deletions
diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c
index 0809e259b22..4b057a7312d 100644
--- a/drivers/block/mtip32xx/mtip32xx.c
+++ b/drivers/block/mtip32xx/mtip32xx.c
@@ -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)