Thread (13 messages) 13 messages, 4 authors, 2019-08-30

Re: [PATCH 0/9] drivers: add new variants of devm_platform_ioremap_resource()

From: Christoph Hellwig <hch@lst.de>
Date: 2019-08-30 15:59:54
Also in: linux-gpio, lkml

On Thu, Aug 29, 2019 at 04:48:36PM +0200, Geert Uytterhoeven wrote:
Hi Bartosz,

On Thu, Aug 29, 2019 at 4:38 PM Bartosz Golaszewski [off-list ref] wrote:
quoted
From: Bartosz Golaszewski <redacted>

The new devm_platform_ioremap_resource() helper has now been widely
adopted and used in many drivers. Users of nocache and write-combined
ioremap() variants could profit from the same code shrinkage. This
series provides two new versions of devm_platform_ioremap_resource()
and uses it in a few example drivers with the assumption that - just
like was the case previously - a coccinelle script will be developed
to ease the transition for others.
Please be aware that the number of ioremap() variants is being
reduced, as some of them are redundant (e.g. ioremap() already creates
an uncached mapping, so ioremap_nocache() is not needed).
So less is better than more ;-)
Yes.  If I can get the ia64 and openrisc patch in I plan to send Linus
a scripted removal of ioremap_nocache after -rc1.  I already have a
local patch for current mainline as of about two weeks ago.
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