Hi, On Tuesday, May 19, 2015 04:34:05 PM Arnd Bergmann wrote: > gcc-5.x warns about a preexisting problem in the hpt36x pata driver: > > drivers/ata/pata_hpt366.c: In function 'hpt36x_init_one': > drivers/ata/pata_hpt366.c:376:9: warning: assignment discards 'const' qualifier from pointer target type [-Wdiscarded-array-qualifiers] > > Other ata drivers have the same problem, as ata_pci_bmdma_init_one > takes a non-const pointer, and they solve it by using a cast to > turn that pointer into a normal non-const pointer. > > I also tried to change the ata core code to make host->private_data > a const pointer, but that quickly got out of hand, as some other > drivers expect it to be writable, so I ended up using the same > hack as the others here. > > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> Your patch looks fine to me, thanks. Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@xxxxxxxxxxx> Best regards, -- Bartlomiej Zolnierkiewicz Samsung R&D Institute Poland Samsung Electronics > diff --git a/drivers/ata/pata_hpt366.c b/drivers/ata/pata_hpt366.c > index cbc3de793d1d..0038dc4c06c7 100644 > --- a/drivers/ata/pata_hpt366.c > +++ b/drivers/ata/pata_hpt366.c > @@ -352,7 +352,7 @@ static int hpt36x_init_one(struct pci_dev *dev, const struct pci_device_id *id) > }; > const struct ata_port_info *ppi[] = { &info_hpt366, NULL }; > > - void *hpriv = NULL; > + const void *hpriv = NULL; > u32 reg1; > int rc; > > @@ -383,7 +383,7 @@ static int hpt36x_init_one(struct pci_dev *dev, const struct pci_device_id *id) > break; > } > /* Now kick off ATA set up */ > - return ata_pci_bmdma_init_one(dev, ppi, &hpt36x_sht, hpriv, 0); > + return ata_pci_bmdma_init_one(dev, ppi, &hpt36x_sht, (void *)hpriv, 0); > } > > #ifdef CONFIG_PM_SLEEP -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html