ide: fix host drivers missing hwif->chipset initialization

ide_find_port() now depends on ->chipset being set for occupied ide_hwifs[]
slots so all host drivers have to initialize hwif->chipset properly.

This patch fixes a regression on hosts with > 1 port or with a single port
but no devices attached to it for an affected host drivers.

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

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/ide/ide-pnp.c b/drivers/ide/ide-pnp.c
index 6a8953f68e9f..adbd01784162 100644
--- a/drivers/ide/ide-pnp.c
+++ b/drivers/ide/ide-pnp.c
@@ -55,6 +55,7 @@ static int idepnp_probe(struct pnp_dev *dev, const struct pnp_device_id *dev_id)
         memset(&hw, 0, sizeof(hw));
         ide_std_init_ports(&hw, base, ctl);
         hw.irq = pnp_irq(dev, 0);
+        hw.chipset = ide_generic;
 
         hwif = ide_find_port();
         if (hwif) {