diff options
Diffstat (limited to 'drivers/scsi/qlogicfas408.c')
| -rw-r--r-- | drivers/scsi/qlogicfas408.c | 61 |
1 files changed, 31 insertions, 30 deletions
diff --git a/drivers/scsi/qlogicfas408.c b/drivers/scsi/qlogicfas408.c index ab5e3117df90..3bbe0b5545d9 100644 --- a/drivers/scsi/qlogicfas408.c +++ b/drivers/scsi/qlogicfas408.c @@ -4,9 +4,9 @@ Use at your own risk. Support Tort Reform so you won't have to read all these silly disclaimers. - Copyright 1994, Tom Zerucha. + Copyright 1994, Tom Zerucha. tz@execpc.com - + Additional Code, and much appreciated help by Michael A. Griffith grif@cs.ucr.edu @@ -22,12 +22,12 @@ Functions as standalone, loadable, and PCMCIA driver, the latter from Dave Hinds' PCMCIA package. - + Cleaned up 26/10/2002 by Alan Cox <alan@lxorguk.ukuu.org.uk> as part of the 2.5 SCSI driver cleanup and audit. This driver still needs work on the following - - Non terminating hardware waits - - Some layering violations with its pcmcia stub + - Non terminating hardware waits + - Some layering violations with its pcmcia stub Redistributable under terms of the GNU General Public License @@ -92,8 +92,9 @@ static void ql_zap(struct qlogicfas408_priv *priv) /* * Do a pseudo-dma tranfer */ - -static int ql_pdma(struct qlogicfas408_priv *priv, int phase, char *request, int reqlen) + +static int ql_pdma(struct qlogicfas408_priv *priv, int phase, char *request, + int reqlen) { int j; int qbase = priv->qbase; @@ -108,7 +109,7 @@ static int ql_pdma(struct qlogicfas408_priv *priv, int phase, char *request, int request += 128; } while (reqlen >= 84 && !(j & 0xc0)) /* 2/3 */ - if ((j = inb(qbase + 8)) & 4) + if ((j = inb(qbase + 8)) & 4) { insl(qbase + 4, request, 21); reqlen -= 84; @@ -123,11 +124,11 @@ static int ql_pdma(struct qlogicfas408_priv *priv, int phase, char *request, int /* until both empty and int (or until reclen is 0) */ rtrc(7) j = 0; - while (reqlen && !((j & 0x10) && (j & 0xc0))) + while (reqlen && !((j & 0x10) && (j & 0xc0))) { /* while bytes to receive and not empty */ j &= 0xc0; - while (reqlen && !((j = inb(qbase + 8)) & 0x10)) + while (reqlen && !((j = inb(qbase + 8)) & 0x10)) { *request++ = inb(qbase + 4); reqlen--; @@ -161,7 +162,7 @@ static int ql_pdma(struct qlogicfas408_priv *priv, int phase, char *request, int j = 0; while (reqlen && !((j & 2) && (j & 0xc0))) { /* while bytes to send and not full */ - while (reqlen && !((j = inb(qbase + 8)) & 2)) + while (reqlen && !((j = inb(qbase + 8)) & 2)) { outb(*request++, qbase + 4); reqlen--; @@ -175,7 +176,7 @@ static int ql_pdma(struct qlogicfas408_priv *priv, int phase, char *request, int } /* - * Wait for interrupt flag (polled - not real hardware interrupt) + * Wait for interrupt flag (polled - not real hardware interrupt) */ static int ql_wai(struct qlogicfas408_priv *priv) @@ -205,14 +206,14 @@ static int ql_wai(struct qlogicfas408_priv *priv) } /* - * Initiate scsi command - queueing handler + * Initiate scsi command - queueing handler * caller must hold host lock */ static void ql_icmd(struct scsi_cmnd *cmd) { struct qlogicfas408_priv *priv = get_priv_by_cmd(cmd); - int qbase = priv->qbase; + int qbase = priv->qbase; int int_type = priv->int_type; unsigned int i; @@ -253,7 +254,7 @@ static void ql_icmd(struct scsi_cmnd *cmd) } /* - * Process scsi command - usually after interrupt + * Process scsi command - usually after interrupt */ static void ql_pcmd(struct scsi_cmnd *cmd) @@ -328,7 +329,7 @@ static void ql_pcmd(struct scsi_cmnd *cmd) rtrc(2); /* * Wait for irq (split into second state of irq handler - * if this can take time) + * if this can take time) */ if ((k = ql_wai(priv))) { set_host_byte(cmd, k); @@ -338,9 +339,9 @@ static void ql_pcmd(struct scsi_cmnd *cmd) } /* - * Enter Status (and Message In) Phase + * Enter Status (and Message In) Phase */ - + k = jiffies + WATCHDOG; while (time_before(jiffies, k) && !priv->qabort && @@ -374,8 +375,8 @@ static void ql_pcmd(struct scsi_cmnd *cmd) message = inb(qbase + 2); /* - * Should get function complete int if Status and message, else - * bus serv if only status + * Should get function complete int if Status and message, else + * bus serv if only status */ if (!((i == 8 && j == 2) || (i == 0x10 && j == 1))) { printk(KERN_ERR "Ql:Error during status phase, int=%02X, %d bytes recd\n", i, j); @@ -389,9 +390,9 @@ static void ql_pcmd(struct scsi_cmnd *cmd) } /* - * Should get bus service interrupt and disconnect interrupt + * Should get bus service interrupt and disconnect interrupt */ - + i = inb(qbase + 5); /* should be bus service */ while (!priv->qabort && ((i & 0x20) != 0x20)) { barrier(); @@ -414,7 +415,7 @@ static void ql_pcmd(struct scsi_cmnd *cmd) } /* - * Interrupt handler + * Interrupt handler */ static void ql_ihandl(void *dev_id) @@ -438,8 +439,8 @@ static void ql_ihandl(void *dev_id) ql_pcmd(icmd); priv->qlcmd = NULL; /* - * If result is CHECK CONDITION done calls qcommand to request - * sense + * If result is CHECK CONDITION done calls qcommand to request + * sense */ (icmd->scsi_done) (icmd); } @@ -484,8 +485,8 @@ static int qlogicfas408_queuecommand_lck(struct scsi_cmnd *cmd, DEF_SCSI_QCMD(qlogicfas408_queuecommand) -/* - * Return bios parameters +/* + * Return bios parameters */ int qlogicfas408_biosparam(struct scsi_device *disk, struct block_device *dev, @@ -510,7 +511,7 @@ int qlogicfas408_biosparam(struct scsi_device *disk, struct block_device *dev, /* * Abort a command in progress */ - + int qlogicfas408_abort(struct scsi_cmnd *cmd) { struct qlogicfas408_priv *priv = get_priv_by_cmd(cmd); @@ -589,9 +590,9 @@ void qlogicfas408_setup(int qbase, int id, int int_type) int qlogicfas408_detect(int qbase, int int_type) { - REG1; + REG1; return (((inb(qbase + 0xe) ^ inb(qbase + 0xe)) == 7) && - ((inb(qbase + 0xe) ^ inb(qbase + 0xe)) == 7)); + ((inb(qbase + 0xe) ^ inb(qbase + 0xe)) == 7)); } /* |