[PATCH 3/7] scsi: make ppa depend on !HIGHMEM

Christoph Hellwig
2025-05-02T06:49:42Z

This is one of the last drivers depending on the block layer bounce
buffering code. Restrict it to run on non-highmem configs so that the
bounce buffering code can be removed.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
drivers/scsi/Kconfig | 1 +
drivers/scsi/ppa.c | 1 -
2 files changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
index 82e0b7eaed4c..5522310bab8d 100644
--- a/drivers/scsi/Kconfig
+++ b/drivers/scsi/Kconfig
@@ -796,6 +796,7 @@ config SCSI_PPA
tristate "IOMEGA parallel port (ppa - older drives)"
depends on SCSI && PARPORT_PC
depends on HAS_IOPORT
+ depends on !HIGHMEM
help
This driver supports older versions of IOMEGA's parallel port ZIP
drive (a 100 MB removable media device).
diff --git a/drivers/scsi/ppa.c b/drivers/scsi/ppa.c
index a06329b47851..1ed3171f1797 100644
--- a/drivers/scsi/ppa.c
+++ b/drivers/scsi/ppa.c
@@ -1104,7 +1104,6 @@ static int __ppa_attach(struct parport *pb)
host = scsi_host_alloc(&ppa_template, sizeof(ppa_struct *));
if (!host)
goto out1;
- host->no_highmem = true;
host->io_port = pb->base;
host->n_io_port = ports;
host->dma_channel = -1;
--
2.47.2