diff options
Diffstat (limited to 'target')
| -rw-r--r-- | target/linux/pxcab/patches-2.6.30/0001-powerpc-mpic-Fix-mapping-of-DCR-based-MPIC-variants.patch | 107 |
1 files changed, 0 insertions, 107 deletions
diff --git a/target/linux/pxcab/patches-2.6.30/0001-powerpc-mpic-Fix-mapping-of-DCR-based-MPIC-variants.patch b/target/linux/pxcab/patches-2.6.30/0001-powerpc-mpic-Fix-mapping-of-DCR-based-MPIC-variants.patch deleted file mode 100644 index c546919279..0000000000 --- a/target/linux/pxcab/patches-2.6.30/0001-powerpc-mpic-Fix-mapping-of-DCR-based-MPIC-variants.patch +++ /dev/null @@ -1,107 +0,0 @@ -commit 5a2642f620eb6e40792822fa0eafe23046fbb55e -Author: Benjamin Herrenschmidt <benh@kernel.crashing.org> -Date: Mon Jun 22 16:47:59 2009 +0000 - - powerpc/mpic: Fix mapping of "DCR" based MPIC variants - - Commit 31207dab7d2e63795eb15823947bd2f7025b08e2 - "Fix incorrect allocation of interrupt rev-map" - introduced a regression crashing on boot on machines using - a "DCR" based MPIC, such as the Cell blades. - - The reason is that the irq host data structure is initialized - much later as a result of that patch, causing our calls to - mpic_map() do be done before we have a host setup. - - Unfortunately, this breaks _mpic_map_dcr() which uses the - mpic->irqhost to get to the device node. - - This fixes it by, instead, passing the device node explicitely - to mpic_map(). - - Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> - Acked-by: Akira Tsukamoto <akirat@rd.scei.sony.co.jp> - -diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c -index 9c3af50..32a2e95 100644 ---- a/arch/powerpc/sysdev/mpic.c -+++ b/arch/powerpc/sysdev/mpic.c -@@ -279,28 +279,29 @@ static void _mpic_map_mmio(struct mpic *mpic, phys_addr_t phys_addr, - } - - #ifdef CONFIG_PPC_DCR --static void _mpic_map_dcr(struct mpic *mpic, struct mpic_reg_bank *rb, -+static void _mpic_map_dcr(struct mpic *mpic, struct device_node *node, -+ struct mpic_reg_bank *rb, - unsigned int offset, unsigned int size) - { - const u32 *dbasep; - -- dbasep = of_get_property(mpic->irqhost->of_node, "dcr-reg", NULL); -+ dbasep = of_get_property(node, "dcr-reg", NULL); - -- rb->dhost = dcr_map(mpic->irqhost->of_node, *dbasep + offset, size); -+ rb->dhost = dcr_map(node, *dbasep + offset, size); - BUG_ON(!DCR_MAP_OK(rb->dhost)); - } - --static inline void mpic_map(struct mpic *mpic, phys_addr_t phys_addr, -- struct mpic_reg_bank *rb, unsigned int offset, -- unsigned int size) -+static inline void mpic_map(struct mpic *mpic, struct device_node *node, -+ phys_addr_t phys_addr, struct mpic_reg_bank *rb, -+ unsigned int offset, unsigned int size) - { - if (mpic->flags & MPIC_USES_DCR) -- _mpic_map_dcr(mpic, rb, offset, size); -+ _mpic_map_dcr(mpic, node, rb, offset, size); - else - _mpic_map_mmio(mpic, phys_addr, rb, offset, size); - } - #else /* CONFIG_PPC_DCR */ --#define mpic_map(m,p,b,o,s) _mpic_map_mmio(m,p,b,o,s) -+#define mpic_map(m,n,p,b,o,s) _mpic_map_mmio(m,p,b,o,s) - #endif /* !CONFIG_PPC_DCR */ - - -@@ -1152,8 +1153,8 @@ struct mpic * __init mpic_alloc(struct device_node *node, - } - - /* Map the global registers */ -- mpic_map(mpic, paddr, &mpic->gregs, MPIC_INFO(GREG_BASE), 0x1000); -- mpic_map(mpic, paddr, &mpic->tmregs, MPIC_INFO(TIMER_BASE), 0x1000); -+ mpic_map(mpic, node, paddr, &mpic->gregs, MPIC_INFO(GREG_BASE), 0x1000); -+ mpic_map(mpic, node, paddr, &mpic->tmregs, MPIC_INFO(TIMER_BASE), 0x1000); - - /* Reset */ - if (flags & MPIC_WANTS_RESET) { -@@ -1194,7 +1195,7 @@ struct mpic * __init mpic_alloc(struct device_node *node, - - /* Map the per-CPU registers */ - for (i = 0; i < mpic->num_cpus; i++) { -- mpic_map(mpic, paddr, &mpic->cpuregs[i], -+ mpic_map(mpic, node, paddr, &mpic->cpuregs[i], - MPIC_INFO(CPU_BASE) + i * MPIC_INFO(CPU_STRIDE), - 0x1000); - } -@@ -1202,7 +1203,7 @@ struct mpic * __init mpic_alloc(struct device_node *node, - /* Initialize main ISU if none provided */ - if (mpic->isu_size == 0) { - mpic->isu_size = mpic->num_sources; -- mpic_map(mpic, paddr, &mpic->isus[0], -+ mpic_map(mpic, node, paddr, &mpic->isus[0], - MPIC_INFO(IRQ_BASE), MPIC_INFO(IRQ_STRIDE) * mpic->isu_size); - } - mpic->isu_shift = 1 + __ilog2(mpic->isu_size - 1); -@@ -1256,8 +1257,10 @@ void __init mpic_assign_isu(struct mpic *mpic, unsigned int isu_num, - - BUG_ON(isu_num >= MPIC_MAX_ISU); - -- mpic_map(mpic, paddr, &mpic->isus[isu_num], 0, -+ mpic_map(mpic, mpic->irqhost->of_node, -+ paddr, &mpic->isus[isu_num], 0, - MPIC_INFO(IRQ_STRIDE) * mpic->isu_size); -+ - if ((isu_first + mpic->isu_size) > mpic->num_sources) - mpic->num_sources = isu_first + mpic->isu_size; - } |