ide: add ->chipset field to ide_pci_device_t

Add ->chipset field to ide_pci_device_t and use it in ide_hwif_configure()
to set hwif->chipset.  Convert cmd64x, cy82c693, rz1000 and trm290 host
drivers to use this new ability.

While at it define hwif_chipset_t as u8 to save some space in hw_regs_t,
ide_hwif_t and ide_pci_device_t instances.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

1 files changed, 5 insertions, 2 deletions

diff --git a/include/linux/ide.h b/include/linux/ide.h
index fdd097473055..b676e51d74f1 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -200,14 +200,16 @@ typedef int (ide_ack_intr_t)(struct hwif_s *);
  * hwif_chipset_t is used to keep track of the specific hardware
  * chipset used by each IDE interface, if known.
  */
-typedef enum {  ide_unknown,    ide_generic,    ide_pci,
+enum {          ide_unknown,    ide_generic,    ide_pci,
                 ide_cmd640,     ide_dtc2278,    ide_ali14xx,
                 ide_qd65xx,     ide_umc8672,    ide_ht6560b,
                 ide_rz1000,     ide_trm290,
                 ide_cmd646,     ide_cy82c693,   ide_4drives,
                 ide_pmac,       ide_etrax100,   ide_acorn,
                 ide_au1xxx, ide_forced
-} hwif_chipset_t;
+};
+
+typedef u8 hwif_chipset_t;
 
 /*
  * Structure to hold all information about the location of this port
@@ -1277,6 +1279,7 @@ typedef struct ide_pci_device_s {
         void                    (*init_dma)(ide_hwif_t *, unsigned long);
         void                    (*fixup)(ide_hwif_t *);
         ide_pci_enablebit_t     enablebits[2];
+        hwif_chipset_t          chipset;
         unsigned int            extra;
         u32                     host_flags;
         u8                      pio_mask;