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scsi: atari_scsi: Use m68k_realnum_memory for FastRAM test 

m68k_num_memory is unsuitable to test for the presence of FastRAM on
CT60 if the kernel is located in FastRAM: in arch/m68k/mm/motorola.c the
ST-RAM chunk is skipped and m68k_num_memory is decremented in this
case. m68k_realnum_memory still contains the actual number of RAM chunks
so use that.

Signed-off-by: Michael Schmitz <schmitzmic@gmail.com>
Tested-by: Christian T. Steigies <cts@debian.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Michael Schmitz 2017-06-05 19:37:59 +12:00 committed by Martin K. Petersen
parent 52eacd619c
commit 6ff8a3b2a1
1 changed files with 1 additions and 1 deletions
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2
drivers/scsi/atari_scsi.c
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@ -776,7 +776,7 @@ static int __init atari_scsi_probe(struct platform_device *pdev)
* from/to alternative Ram.
*/
if (ATARIHW_PRESENT(ST_SCSI) && !ATARIHW_PRESENT(EXTD_DMA) &&
m68k_num_memory > 1) {
m68k_realnum_memory > 1) {
atari_dma_buffer = atari_stram_alloc(STRAM_BUFFER_SIZE, "SCSI");
if (!atari_dma_buffer) {
pr_err(PFX "can't allocate ST-RAM double buffer\n");