On 03/12/2017 08:28 PM, Sergei Shtylyov wrote:
+static void pata_bk3710_set_piomode(struct ata_port *ap,
+ struct ata_device *adev)
+{
+ void __iomem *base = (void __iomem *)ap->ioaddr.bmdma_addr;
+ struct ata_device *pair = ata_dev_pair(adev);
+ const struct ata_timing *t = ata_timing_find_mode(adev->pio_mode);
+ const u16 *id = adev->id;
+ unsigned int cycle_time;
+ int is_slave = adev->devno;
+ const u8 pio = adev->pio_mode - XFER_PIO_0;
+
+ if (id[ATA_ID_FIELD_VALID] & 2) {
+ if (ata_id_has_iordy(id))
+ cycle_time = id[ATA_ID_EIDE_PIO_IORDY];
+ else
+ cycle_time = id[ATA_ID_EIDE_PIO];
+
+ /* conservative "downgrade" for all pre-ATA2 drives */
+ if (pio < 3 && cycle_time < t->cycle)
+ cycle_time = 0; /* use standard timing */
+ }
+
+ if (!cycle_time)
+ cycle_time = t->cycle;
This seems like a helper needed by libata in general but OK...
No, the build bot had already reported the problem with 'cycle_time' here,
I just forgot about it.
[...]
Well, no serious issues found, so you can stamp:
Acked-by: Sergei Shtylyov <sergei.shtylyov@xxxxxxxxxxxxxxxxxx>
Too early, it seems... :-)
MBR, Sergei
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