Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=0411a5e233db0f5196cff46a34bff15c005bbe6a
Commit:     0411a5e233db0f5196cff46a34bff15c005bbe6a
Parent:     0b94a1eeeeb3542d046b928ca01fcd4bf0ea7587
Author:     Michael Ellerman <[EMAIL PROTECTED]>
AuthorDate: Mon Sep 17 16:05:01 2007 +1000
Committer:  Paul Mackerras <[EMAIL PROTECTED]>
CommitDate: Wed Oct 3 13:25:27 2007 +1000

    [POWERPC] Update mpic to use dcr_host_t.base
    
    Now that dcr_host_t contains the base address, we can use that in the mpic
    code, rather than storing it separately.
    
    Signed-off-by: Michael Ellerman <[EMAIL PROTECTED]>
    Acked-by: Benjamin Herrenschmidt <[EMAIL PROTECTED]>
    Signed-off-by: Paul Mackerras <[EMAIL PROTECTED]>
---
 arch/powerpc/sysdev/mpic.c |   28 +++++++++++-----------------
 include/asm-powerpc/mpic.h |    6 ------
 2 files changed, 11 insertions(+), 23 deletions(-)

diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 22600fd..893e654 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -156,8 +156,7 @@ static inline u32 _mpic_read(enum mpic_reg_type type,
        switch(type) {
 #ifdef CONFIG_PPC_DCR
        case mpic_access_dcr:
-               return dcr_read(rb->dhost,
-                               rb->dbase + reg + rb->doff);
+               return dcr_read(rb->dhost, rb->dhost.base + reg);
 #endif
        case mpic_access_mmio_be:
                return in_be32(rb->base + (reg >> 2));
@@ -174,8 +173,7 @@ static inline void _mpic_write(enum mpic_reg_type type,
        switch(type) {
 #ifdef CONFIG_PPC_DCR
        case mpic_access_dcr:
-               return dcr_write(rb->dhost,
-                                rb->dbase + reg + rb->doff, value);
+               return dcr_write(rb->dhost, rb->dhost.base + reg, value);
 #endif
        case mpic_access_mmio_be:
                return out_be32(rb->base + (reg >> 2), value);
@@ -279,9 +277,11 @@ static void _mpic_map_mmio(struct mpic *mpic, unsigned 
long phys_addr,
 static void _mpic_map_dcr(struct mpic *mpic, struct mpic_reg_bank *rb,
                          unsigned int offset, unsigned int size)
 {
-       rb->dbase = mpic->dcr_base;
-       rb->doff = offset;
-       rb->dhost = dcr_map(mpic->irqhost->of_node, rb->dbase + rb->doff, size);
+       const u32 *dbasep;
+
+       dbasep = of_get_property(mpic->irqhost->of_node, "dcr-reg", NULL);
+
+       rb->dhost = dcr_map(mpic->irqhost->of_node, *dbasep + offset, size);
        BUG_ON(!DCR_MAP_OK(rb->dhost));
 }
 
@@ -1075,20 +1075,14 @@ struct mpic * __init mpic_alloc(struct device_node 
*node,
        BUG_ON(paddr == 0 && node == NULL);
 
        /* If no physical address passed in, check if it's dcr based */
-       if (paddr == 0 && of_get_property(node, "dcr-reg", NULL) != NULL)
-               mpic->flags |= MPIC_USES_DCR;
-
+       if (paddr == 0 && of_get_property(node, "dcr-reg", NULL) != NULL) {
 #ifdef CONFIG_PPC_DCR
-       if (mpic->flags & MPIC_USES_DCR) {
-               const u32 *dbasep;
-               dbasep = of_get_property(node, "dcr-reg", NULL);
-               BUG_ON(dbasep == NULL);
-               mpic->dcr_base = *dbasep;
+               mpic->flags |= MPIC_USES_DCR;
                mpic->reg_type = mpic_access_dcr;
-       }
 #else
-       BUG_ON (mpic->flags & MPIC_USES_DCR);
+               BUG();
 #endif /* CONFIG_PPC_DCR */
+       }
 
        /* If the MPIC is not DCR based, and no physical address was passed
         * in, try to obtain one
diff --git a/include/asm-powerpc/mpic.h b/include/asm-powerpc/mpic.h
index edb4a7c..ae84dde 100644
--- a/include/asm-powerpc/mpic.h
+++ b/include/asm-powerpc/mpic.h
@@ -224,8 +224,6 @@ struct mpic_reg_bank {
        u32 __iomem     *base;
 #ifdef CONFIG_PPC_DCR
        dcr_host_t      dhost;
-       unsigned int    dbase;
-       unsigned int    doff;
 #endif /* CONFIG_PPC_DCR */
 };
 
@@ -289,10 +287,6 @@ struct mpic
        struct mpic_reg_bank    cpuregs[MPIC_MAX_CPUS];
        struct mpic_reg_bank    isus[MPIC_MAX_ISU];
 
-#ifdef CONFIG_PPC_DCR
-       unsigned int            dcr_base;
-#endif
-
        /* Protected sources */
        unsigned long           *protected;
 
-
To unsubscribe from this list: send the line "unsubscribe git-commits-head" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to