From: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Fix build when CONFIG_ISA_DMA_API is not enabled. Fixes these
build errors (on x86_64):
../drivers/scsi/ultrastor.c: In function 'ultrastor_14f_detect':
../drivers/scsi/ultrastor.c:519:5: error: implicit declaration of function 'request_dma' [-Werror=implicit-function-declaration]
if (config.dma_channel && request_dma(config.dma_channel,"Ultrastor")) {
^
../drivers/scsi/ultrastor.c: In function 'ultrastor_release':
../drivers/scsi/ultrastor.c:658:3: error: implicit declaration of function 'free_dma' [-Werror=implicit-function-declaration]
free_dma(shost->dma_channel);
^
Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
---
drivers/scsi/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Found in linux-next but also applies to mainline.
--- linux-next-20160519.orig/drivers/scsi/Kconfig
+++ linux-next-20160519/drivers/scsi/Kconfig
@@ -1433,7 +1433,7 @@ config SCSI_U14_34F_MAX_TAGS
config SCSI_ULTRASTOR
tristate "UltraStor SCSI support"
- depends on X86 && ISA && SCSI
+ depends on X86 && ISA && SCSI && ISA_DMA_API
---help---
This is support for the UltraStor 14F, 24F and 34F SCSI-2 host
adapter family. This driver is explained in section 3.12 of the
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