From: Amol Lad <[EMAIL PROTECTED]>
Replaced save_flags()/cli() with spin_lock alternatives
[EMAIL PROTECTED]: no longer BROKEN_ON_SMP]
Signed-off-by: Amol Lad <[EMAIL PROTECTED]>
Cc: James Bottomley <[EMAIL PROTECTED]>
Cc: Alan Cox <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
---
drivers/scsi/mca_53c9x.c | 12 ++++--------
1 file changed, 4 insertions(+), 8 deletions(-)
diff -puN
drivers/scsi/mca_53c9x.c~drivers-scsi-mca_53c9xc-save_flags-cli-removal
drivers/scsi/mca_53c9x.c
--- a/drivers/scsi/mca_53c9x.c~drivers-scsi-mca_53c9xc-save_flags-cli-removal
+++ a/drivers/scsi/mca_53c9x.c
@@ -341,9 +341,7 @@ static void dma_init_read(struct NCR_ESP
{
unsigned long flags;
-
- save_flags(flags);
- cli();
+ spin_lock_irqsave(esp->ehost->host_lock, flags);
mca_disable_dma(esp->dma);
mca_set_dma_mode(esp->dma, MCA_DMA_MODE_XFER | MCA_DMA_MODE_16 |
@@ -352,16 +350,14 @@ static void dma_init_read(struct NCR_ESP
mca_set_dma_count(esp->dma, length / 2); /* !!! */
mca_enable_dma(esp->dma);
- restore_flags(flags);
+ spin_unlock_irqrestore(esp->ehost->host_lock, flags);
}
static void dma_init_write(struct NCR_ESP *esp, __u32 addr, int length)
{
unsigned long flags;
-
- save_flags(flags);
- cli();
+ spin_lock_irqsave(esp->ehost->host_lock, flags);
mca_disable_dma(esp->dma);
mca_set_dma_mode(esp->dma, MCA_DMA_MODE_XFER | MCA_DMA_MODE_WRITE |
@@ -370,7 +366,7 @@ static void dma_init_write(struct NCR_ES
mca_set_dma_count(esp->dma, length / 2); /* !!! */
mca_enable_dma(esp->dma);
- restore_flags(flags);
+ spin_unlock_irqrestore(esp->ehost->host_lock, flags);
}
static void dma_ints_off(struct NCR_ESP *esp)
_
-
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