Re: [PATCH] gpu: drm: omapdrm: Use %pad format for values of the dma_addr_t type

From: Joe Perches
Date: Thu Jul 24 2014 - 14:11:28 EST


On Thu, 2014-07-24 at 21:58 +0400, matwey@xxxxxxxxxx wrote:
> The format change is to fix the following compilation issue:

Just a trivial note:

> diff --git a/drivers/gpu/drm/omapdrm/omap_gem.c b/drivers/gpu/drm/omapdrm/omap_gem.c
[]
> @@ -791,7 +791,7 @@ int omap_gem_get_paddr(struct drm_gem_object *obj,
> omap_obj->paddr = tiler_ssptr(block);
> omap_obj->block = block;
>
> - DBG("got paddr: %08x", omap_obj->paddr);
> + DBG("got paddr: %pad", &(omap_obj->paddr));

&foo->bar does not need parentheses.

Most uses in the kernel do not have them.
It seems to be ~25:1 without to with.

> @@ -985,9 +985,9 @@ void omap_gem_describe(struct drm_gem_object *obj, struct seq_file *m)
>
> off = drm_vma_node_start(&obj->vma_node);
>
> - seq_printf(m, "%08x: %2d (%2d) %08llx %08Zx (%2d) %p %4d",
> + seq_printf(m, "%08x: %2d (%2d) %08llx %pad (%2d) %p %4d",
> omap_obj->flags, obj->name, obj->refcount.refcount.counter,
> - off, omap_obj->paddr, omap_obj->paddr_cnt,
> + off, &(omap_obj->paddr), omap_obj->paddr_cnt,

etc...


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