Thread (20 messages) 20 messages, 6 authors, 2011-07-14

[PATCH] new helper to define common struct resource constructs

From: H Hartley Sweeten <hidden>
Date: 2011-07-13 22:15:22
Also in: lkml

On Wednesday, July 13, 2011 2:42 PM, Arnd Bergmann wrote:
On Wednesday 13 July 2011 23:18:49 Andrew Morton wrote:
quoted
quoted
On Monday 11 July 2011, Uwe Kleine-K__nig wrote:
quoted
resource definitions that just define start, end and flags = IORESOURCE_MEM
or IORESOURCE_IRQ (with start=end) are quite common. So introduce a shortcut
for them. Also make available a macro to specify named resources of both
types which are less common.

Signed-off-by: Uwe Kleine-K____nig <redacted>
Acked-by: Arnd Bergmann <arnd@arndb.de>

What do others think, is this worthwhile?
Should we also define macros for IORESOURCE_IO and IORESOURCE_DMA?
It would help if we could see some usage examples (ie: sample
conversions), to get a better idea of the value of this.
Uwe posted a patch '[PATCH] ARM: mxc: use new helpers to define
common struct resource entries' that converts one ARM platform to use
it, with reasonable outcome:

26 files changed, 72 insertions(+), 308 deletions(-)
ep93xx doesn't have that many but converting it's core.c gives:

 1 files changed, 19 insertions(+), 93 deletions(-)

Regards,
Hartley
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