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authorLinus Torvalds <torvalds@linux-foundation.org>2017-08-17 14:39:54 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2017-08-17 14:39:54 -0400
commit3bc6c906eacec34f0d8dcfd3c7e4513edf152297 (patch)
tree6fdca669a44a3084d140fffeda7fc4a157b5772b
parent99f781b1bfc199ec8eb86d4e015920faf79d5d57 (diff)
parentd6957f3396d0b1ee54d183524550d791054b5ebe (diff)
Merge branch 'parisc-4.13-5' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc fixes from Helge Deller: - Fix PCI memory bar assignments with 64-bit kernels on machines with Dino/Cujo PCI chipsets. This makes PCI graphic cards work on such machines (from Thomas Bogendoerfer). - Fix documentation to be more clear about the difference between %pF and %pS printk format usage. There are still many places in the kernel which have it wrong (from Petr Mladek, Sergey Senozhatsky & me). * 'parisc-4.13-5' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: printk-formats.txt: Better describe the difference between %pS and %pF parisc: pci memory bar assignment fails with 64bit kernels on dino/cujo
-rw-r--r--Documentation/printk-formats.txt19
-rw-r--r--drivers/parisc/dino.c2
2 files changed, 12 insertions, 9 deletions
diff --git a/Documentation/printk-formats.txt b/Documentation/printk-formats.txt
index 65ea5915178b..074670b98bac 100644
--- a/Documentation/printk-formats.txt
+++ b/Documentation/printk-formats.txt
@@ -58,20 +58,23 @@ Symbols/Function Pointers
58 %ps versatile_init 58 %ps versatile_init
59 %pB prev_fn_of_versatile_init+0x88/0x88 59 %pB prev_fn_of_versatile_init+0x88/0x88
60 60
61For printing symbols and function pointers. The ``S`` and ``s`` specifiers 61The ``F`` and ``f`` specifiers are for printing function pointers,
62result in the symbol name with (``S``) or without (``s``) offsets. Where 62for example, f->func, &gettimeofday. They have the same result as
63this is used on a kernel without KALLSYMS - the symbol address is 63``S`` and ``s`` specifiers. But they do an extra conversion on
64printed instead. 64ia64, ppc64 and parisc64 architectures where the function pointers
65are actually function descriptors.
66
67The ``S`` and ``s`` specifiers can be used for printing symbols
68from direct addresses, for example, __builtin_return_address(0),
69(void *)regs->ip. They result in the symbol name with (``S``) or
70without (``s``) offsets. If KALLSYMS are disabled then the symbol
71address is printed instead.
65 72
66The ``B`` specifier results in the symbol name with offsets and should be 73The ``B`` specifier results in the symbol name with offsets and should be
67used when printing stack backtraces. The specifier takes into 74used when printing stack backtraces. The specifier takes into
68consideration the effect of compiler optimisations which may occur 75consideration the effect of compiler optimisations which may occur
69when tail-call``s are used and marked with the noreturn GCC attribute. 76when tail-call``s are used and marked with the noreturn GCC attribute.
70 77
71On ia64, ppc64 and parisc64 architectures function pointers are
72actually function descriptors which must first be resolved. The ``F`` and
73``f`` specifiers perform this resolution and then provide the same
74functionality as the ``S`` and ``s`` specifiers.
75 78
76Kernel Pointers 79Kernel Pointers
77=============== 80===============
diff --git a/drivers/parisc/dino.c b/drivers/parisc/dino.c
index 5c63b920b471..ed92c1254cff 100644
--- a/drivers/parisc/dino.c
+++ b/drivers/parisc/dino.c
@@ -956,7 +956,7 @@ static int __init dino_probe(struct parisc_device *dev)
956 956
957 dino_dev->hba.dev = dev; 957 dino_dev->hba.dev = dev;
958 dino_dev->hba.base_addr = ioremap_nocache(hpa, 4096); 958 dino_dev->hba.base_addr = ioremap_nocache(hpa, 4096);
959 dino_dev->hba.lmmio_space_offset = 0; /* CPU addrs == bus addrs */ 959 dino_dev->hba.lmmio_space_offset = PCI_F_EXTEND;
960 spin_lock_init(&dino_dev->dinosaur_pen); 960 spin_lock_init(&dino_dev->dinosaur_pen);
961 dino_dev->hba.iommu = ccio_get_iommu(dev); 961 dino_dev->hba.iommu = ccio_get_iommu(dev);
962 962