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We have the following file --> Kconfig mapping:
sunxi/clk-factors.c obj-y
sunxi/clk-sun6i-apb0-gates.c CONFIG_MFD_SUN6I_PRCM (bool)
sunxi/clk-sun6i-apb0.c CONFIG_MFD_SUN6I_PRCM
sunxi/clk-sun6i-ar100.c CONFIG_MFD_SUN6I_PRCM
sunxi/clk-sun8i-apb0.c CONFIG_MFD_SUN6I_PRCM
sunxi/clk-sun9i-mmc.c obj-y
Hence none of these are being built as a module by anyone.
Lets remove the modular code that is essentially orphaned, so that
when reading the drivers there is no doubt they are builtin-only. All
drivers get mostly the same changes, so they are handled in batch.
Changes are (1) convert to builtin_platform_register, (2) use the
init.h header, (3) delete the MODULE_LICENCE/MODULE_AUTHOR and
associated tags, and (4) delete any ".remove" functions.
There was a stray module.h in a file not using any init.h or
module.h stuff, so we simply removed that one.
In two cases, we explicitly disallow a driver unbind, since that
doesn't have a sensible use case anyway, and it allows us to drop
the ".remove" code for non-modular drivers.
Since module_platform_driver() uses the same init level priority as
builtin_platform_driver() the init ordering remains unchanged with
this commit.
We delete the MODULE_LICENSE etc. tags since all that information
is already contained at the top of each file in the comments.
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Cc: Chen-Yu Tsai <wens@csie.org>
Cc: "Emilio López" <emilio@elopez.com.ar>
Cc: Stephen Boyd <sboyd@codeaurora.org>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Cc: linux-clk@vger.kernel.org
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
Link: lkml.kernel.org/r/20160704211220.5685-9-paul.gortmaker@windriver.com
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Now that our protection code doesn't use the global name lookup anymore, we
can remove the clkdev registrations.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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This platform driver has a OF device ID table but the OF module
alias information is not created so module autoloading won't work.
Signed-off-by: Luis de Bethencourt <luis@debethencourt.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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There is no need to init .owner field.
Based on the patch from Peter Griffin <peter.griffin@linaro.org>
"mmc: remove .owner field for drivers using module_platform_driver"
This patch removes the superflous .owner field for drivers which
use the module_platform_driver API, as this is overriden in
platform_driver_register anyway."
Signed-off-by: Kiran Padwal <kiran.padwal@smartplayin.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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There are some structs and arrays on the driver that are not used
anywhere else. Let's mark them as static.
Signed-off-by: Emilio López <emilio@elopez.com.ar>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into clk-next-sunxi
Allwinner clocks additions for 3.17
This pull request adds support for the clocks found in the newly supported
Allwinner A23 clocks.
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This patch adds "allwinner,sun8i-a23-apb0-gates-clk", a A23 specific
compatible to the sun6i-a31-apb0-gates clock driver, along with the
gate bitmap.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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sun6i-apb0-gates uses the "clock-indices" DT property to indicate
valid gate bits or holes in between. However, the rest of sunxi
clock drivers use bitmaps for this purpose.
This patch modifies sun6i-apb0-gates to use bitmaps as well, to be
consistent with the sunxi platform. Also add the missing call to
clk_register_clkdev, so system clock lookups will work.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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sun6i-a31-apb0-gates supports using clock-indices for holes between
individual gates. However, the driver passes the number of gates
registered in clk_data->clk_num, which of_clk_src_onecell_get uses
to recognize the range of valid indices a consumer can use.
This patch makes the driver pass the maximum gate index + 1, so
of_clk_src_onecell_get does not complain about indices greater
than gates registered.
This was tested on the A23 SoC, which has a similar APB0 clock,
but has holes for gates to removed IP blocks.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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devm_ioremap_resource returns an ERR_PTR value, not NULL, on failure.
A simplified version of the semantic match that finds this problem is as
follows:
// <smpl>
@@
expression e,e1;
statement S;
@@
*e = devm_ioremap_resource(...);
if (!e1) S
// </smpl>
Signed-off-by: Himangi Saraogi <himangi774@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Acked-by Boris BREZILLON <boris.brezillon@free-electrons.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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The PRCM (Power/Reset/Clock Management) unit provides several clock
devices:
- AR100 clk: used to clock the Power Management co-processor
- AHB0 clk: used to clock the AHB0 bus
- APB0 clk and gates: used to clk peripherals connected to the APB0 bus
Add support for these clks in a separate driver so that they can be probed
as platform devices instead of registered during early init.
This is needed to be able to probe PRCM MFD subdevices.
Signed-off-by: Boris BREZILLON <boris.brezillon@free-electrons.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Emilio López <emilio@elopez.com.ar>
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Paul Gortmaker
Maxime Ripard
Luis de Bethencourt
Kiran Padwal
Emilio López
Mike Turquette
Chen-Yu Tsai
Himangi Saraogi
Boris BREZILLON