On 10/30/2014 08:46 AM, Hannes Reinecke wrote:
> On 10/27/2014 06:26 AM, Finn Thain wrote:
>> Fix whitespace, remove pointless volatile qualifiers and improve code style
>> by use of INPUT_DATA_REG and OUTPUT_DATA_REG macros.
>>
>> Signed-off-by: Finn Thain <fth...@telegraphics.com.au>
>>
>> ---
>> drivers/scsi/mac_scsi.c | 122
>> ++++++++++++++++++++++++------------------------
>> 1 file changed, 62 insertions(+), 60 deletions(-)
>>
>> Index: linux/drivers/scsi/mac_scsi.c
>> ===================================================================
>> --- linux.orig/drivers/scsi/mac_scsi.c 2014-10-27 16:25:42.000000000
>> +1100
>> +++ linux/drivers/scsi/mac_scsi.c 2014-10-27 16:25:43.000000000 +1100
>> @@ -86,9 +86,9 @@ module_param(setup_hostid, int, 0);
>> #define AFTER_RESET_DELAY (HZ/2)
>> #endif
>>
>> -static volatile unsigned char *mac_scsi_regp = NULL;
>> -static volatile unsigned char *mac_scsi_drq = NULL;
>> -static volatile unsigned char *mac_scsi_nodrq = NULL;
>> +static unsigned char *mac_scsi_regp;
>> +static unsigned char *mac_scsi_drq;
>> +static unsigned char *mac_scsi_nodrq;
>>
>>
>> /*
>> @@ -262,6 +262,7 @@ static void mac_scsi_reset_boot(struct S
>> }
>> #endif
>>
>> +#ifdef PSEUDO_DMA
>> /*
>> Pseudo-DMA: (Ove Edlund)
>> The code attempts to catch bus errors that occur if one for example
>> @@ -331,38 +332,38 @@ __asm__ __volatile__
>> \
>> : "0"(s), "1"(d), "2"(len) \
>> : "d0")
>>
>> -
>> -static int macscsi_pread (struct Scsi_Host *instance,
>> - unsigned char *dst, int len)
>> +static int macscsi_pread(struct Scsi_Host *instance,
>> + unsigned char *dst, int len)
>> {
>> - unsigned char *d;
>> - volatile unsigned char *s;
>> + unsigned char *d;
>> + unsigned char *s;
>> +
>> + NCR5380_local_declare();
>> + NCR5380_setup(instance);
>> +
>> + s = mac_scsi_drq + (INPUT_DATA_REG << 4);
>> + d = dst;
>>
>> - NCR5380_local_declare();
>> - NCR5380_setup(instance);
>> + /* These conditions are derived from MacOS */
>>
>> - s = mac_scsi_drq+0x60;
>> - d = dst;
>> + while (!(NCR5380_read(BUS_AND_STATUS_REG) & BASR_DRQ) &&
>> + !(NCR5380_read(STATUS_REG) & SR_REQ))
>> + ;
>> +
>> + if (!(NCR5380_read(BUS_AND_STATUS_REG) & BASR_DRQ) &&
>> + (NCR5380_read(BUS_AND_STATUS_REG) & BASR_PHASE_MATCH)) {
>> + pr_err("Error in macscsi_pread\n");
>> + return -1;
>> + }
>>
>> -/* These conditions are derived from MacOS */
>> -
>> - while (!(NCR5380_read(BUS_AND_STATUS_REG) & BASR_DRQ)
>> - && !(NCR5380_read(STATUS_REG) & SR_REQ))
>> - ;
>> - if (!(NCR5380_read(BUS_AND_STATUS_REG) & BASR_DRQ)
>> - && (NCR5380_read(BUS_AND_STATUS_REG) & BASR_PHASE_MATCH)) {
>> - printk(KERN_ERR "Error in macscsi_pread\n");
>> - return -1;
>> - }
>> -
>> - CP_IO_TO_MEM(s, d, len);
>> -
>> - if (len != 0) {
>> - printk(KERN_NOTICE "Bus error in macscsi_pread\n");
>> - return -1;
>> - }
>> -
>> - return 0;
>> + CP_IO_TO_MEM(s, d, len);
>> +
>> + if (len != 0) {
>> + pr_notice("Bus error in macscsi_pread\n");
>> + return -1;
>> + }
>> +
>> + return 0;
>> }
>>
>>
>> @@ -424,39 +425,40 @@ __asm__ __volatile__
>> \
>> : "0"(s), "1"(d), "2"(len) \
>> : "d0")
>>
>> -static int macscsi_pwrite (struct Scsi_Host *instance,
>> - unsigned char *src, int len)
>> +static int macscsi_pwrite(struct Scsi_Host *instance,
>> + unsigned char *src, int len)
>> {
>> - unsigned char *s;
>> - volatile unsigned char *d;
>> + unsigned char *s;
>> + unsigned char *d;
>> +
>> + NCR5380_local_declare();
>> + NCR5380_setup(instance);
>>
>> - NCR5380_local_declare();
>> - NCR5380_setup(instance);
>> + s = src;
>> + d = mac_scsi_drq + (OUTPUT_DATA_REG << 4);
>>
>> - s = src;
>> - d = mac_scsi_drq;
>> -
>> -/* These conditions are derived from MacOS */
>> -
>> - while (!(NCR5380_read(BUS_AND_STATUS_REG) & BASR_DRQ)
>> - && (!(NCR5380_read(STATUS_REG) & SR_REQ)
>> - || (NCR5380_read(BUS_AND_STATUS_REG) & BASR_PHASE_MATCH)))
>> - ;
>> - if (!(NCR5380_read(BUS_AND_STATUS_REG) & BASR_DRQ)) {
>> - printk(KERN_ERR "Error in macscsi_pwrite\n");
>> - return -1;
>> - }
>> -
>> - CP_MEM_TO_IO(s, d, len);
>> -
>> - if (len != 0) {
>> - printk(KERN_NOTICE "Bus error in macscsi_pwrite\n");
>> - return -1;
>> - }
>> -
>> - return 0;
>> -}
>> + /* These conditions are derived from MacOS */
>> +
>> + while (!(NCR5380_read(BUS_AND_STATUS_REG) & BASR_DRQ) &&
>> + (!(NCR5380_read(STATUS_REG) & SR_REQ) ||
>> + (NCR5380_read(BUS_AND_STATUS_REG) & BASR_PHASE_MATCH)))
>> + ;
>> +
>> + if (!(NCR5380_read(BUS_AND_STATUS_REG) & BASR_DRQ)) {
>> + pr_err("Error in macscsi_pwrite\n");
>> + return -1;
>> + }
>> +
>> + CP_MEM_TO_IO(s, d, len);
>>
>> + if (len != 0) {
>> + pr_notice("Bus error in macscsi_pwrite\n");
>> + return -1;
>> + }
>> +
>> + return 0;
>> +}
>> +#endif
>>
>> #include "NCR5380.c"
>>
>>
>>
> Any reason why you didn't re-indent macscsi_indent?
>
Ahh, forget it.
Addressed with the next patch.
Cheers,
Hannes
--
Dr. Hannes Reinecke zSeries & Storage
h...@suse.de +49 911 74053 688
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: J. Hawn, J. Guild, F. Imendörffer, HRB 16746 (AG Nürnberg)
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