From 1a9eac1b8fc82cf84a47dad30ce5cc37e49a719f Mon Sep 17 00:00:00 2001 From: Gavin Shan Date: Tue, 11 Sep 2012 16:59:46 -0600 Subject: [PATCH] --- yaml --- r: 324231 b: refs/heads/master c: 462d93030628a598bc440dcd35c89fb7fc63f58c h: refs/heads/master i: 324229: 15977ed56c1f3dc30426fbaaad2c553e29f64b33 324227: 7188db78d1e4def029123508f5db460364e9b948 324223: ad8b2ccc4f4d4f4617e12acb2fc67264c6d81bdc v: v3 --- [refs] | 2 +- trunk/drivers/pci/setup-bus.c | 15 ++++++--------- 2 files changed, 7 insertions(+), 10 deletions(-) diff --git a/[refs] b/[refs] index 1dbeab3d3e05..51a1a8e31c33 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: ac5ad93e92c3ffca4c7ba386aaa34244e27b7759 +refs/heads/master: 462d93030628a598bc440dcd35c89fb7fc63f58c diff --git a/trunk/drivers/pci/setup-bus.c b/trunk/drivers/pci/setup-bus.c index 896f06e3e793..a66cf0905a15 100644 --- a/trunk/drivers/pci/setup-bus.c +++ b/trunk/drivers/pci/setup-bus.c @@ -749,17 +749,12 @@ static void pbus_size_io(struct pci_bus *bus, resource_size_t min_size, struct resource *b_res = find_free_bus_resource(bus, IORESOURCE_IO); unsigned long size = 0, size0 = 0, size1 = 0; resource_size_t children_add_size = 0; - resource_size_t min_align = 4096, align; + resource_size_t min_align, io_align, align; if (!b_res) return; - /* - * Per spec, I/O windows are 4K-aligned, but some bridges have an - * extension to support 1K alignment. - */ - if (bus->self->io_window_1k) - min_align = 1024; + io_align = min_align = window_alignment(bus, IORESOURCE_IO); list_for_each_entry(dev, &bus->devices, bus_list) { int i; @@ -786,8 +781,8 @@ static void pbus_size_io(struct pci_bus *bus, resource_size_t min_size, } } - if (min_align > 4096) - min_align = 4096; + if (min_align > io_align) + min_align = io_align; size0 = calculate_iosize(size, min_size, size1, resource_size(b_res), min_align); @@ -909,6 +904,8 @@ static int pbus_size_mem(struct pci_bus *bus, unsigned long mask, min_align = align1 >> 1; align += aligns[order]; } + + min_align = max(min_align, window_alignment(bus, b_res->flags & mask)); size0 = calculate_memsize(size, min_size, 0, resource_size(b_res), min_align); if (children_add_size > add_size) add_size = children_add_size;