The patch titled
m68knommu: use raw read/write for all register access in ColdFire timer
has been removed from the -mm tree. Its filename was
m68knommu-use-raw-read-write-for-all-register-access-in-coldfire-timer.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: m68knommu: use raw read/write for all register access in ColdFire timer
From: Greg Ungerer <gerg@xxxxxxxxxxxx>
Use __raw_read/__raw_write to write to all registers (instead of using local
pointer de-referencing in ColdFirePIT timer code.
Signed-off-by: Greg Ungerer <gerg@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/m68knommu/platform/5307/pit.c | 14 ++++++--------
1 file changed, 6 insertions(+), 8 deletions(-)
diff -puN arch/m68knommu/platform/5307/pit.c~m68knommu-use-raw-read-write-for-all-register-access-in-coldfire-timer arch/m68knommu/platform/5307/pit.c
--- a/arch/m68knommu/platform/5307/pit.c~m68knommu-use-raw-read-write-for-all-register-access-in-coldfire-timer
+++ a/arch/m68knommu/platform/5307/pit.c
@@ -29,6 +29,7 @@
* By default use timer1 as the system clock timer.
*/
#define TA(a) (MCF_IPSBAR + MCFPIT_BASE1 + (a))
+#define INTC0 (MCF_IPSBAR + MCFICM_INTC0)
/***************************************************************************/
@@ -53,17 +54,14 @@ static struct irqaction coldfire_pit_irq
void hw_timer_init(void)
{
- volatile unsigned char *icrp;
- volatile unsigned long *imrp;
+ u32 imr;
setup_irq(MCFINT_VECBASE + MCFINT_PIT1, &coldfire_pit_irq);
- icrp = (volatile unsigned char *) (MCF_IPSBAR + MCFICM_INTC0 +
- MCFINTC_ICR0 + MCFINT_PIT1);
- *icrp = ICR_INTRCONF;
-
- imrp = (volatile unsigned long *) (MCF_IPSBAR + MCFICM_INTC0 + MCFPIT_IMR);
- *imrp &= ~MCFPIT_IMR_IBIT;
+ __raw_writeb(ICR_INTRCONF, INTC0 + MCFINTC_ICR0 + MCFINT_PIT1);
+ imr = __raw_readl(INTC0 + MCFPIT_IMR);
+ imr &= ~MCFPIT_IMR_IBIT;
+ __raw_writel(imr, INTC0 + MCFPIT_IMR);
/* Set up PIT timer 1 as poll clock */
__raw_writew(MCFPIT_PCSR_DISABLE, TA(MCFPIT_PCSR));
_
Patches currently in -mm which might be from gerg@xxxxxxxxxxxx are
origin.patch
m68knommu-use-array_size-in-coldfire-serial-driver.patch
m68knomu-remove-dead-config-symbols-from-m68knomu-code.patch
m68knommu-removing-config-variable-dumptoflash.patch
nommu-add-new-vmalloc_user-and-remap_vmalloc_range-interfaces.patch
add-cmpxchg_local-to-m68knommu.patch
-
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